Some standard content:
ICS 73. IOC.93
Registration No.: 15465-2CC5
Coal Industry Standard of the People's Republic of China
MT/T929-2004
High-tensile steel compact chains for mining
2004-12-14 Issued
National Development and Reform Commission
2005-06-01 Implementation
Normative reference documents
Production style and size
Technical requirements
Testing method
Testing rules
8 Marking, packaging, transportation and storage
Appendix A (regulatory appendix)
Nominal length and deviation
Appendix H (or normative appendix)
Matching length and deviation
MI/T 929 --2334
MT/T529—2C4
This standard is based on H1127—211 expansion of high-strength steel rings for scraper boxes and coal conveyors 35610:1990 (E) DIN22252-1 high-strength copper chain for mining use Parsons (ParssChainCoapzrsIIirried> The standard for the elimination of complex chains for mining use is formulated by Parsons. The agent of this standard is A, and the recorded B is a normative appendix. The standard was proposed by the Science and Technology Development Department of the China Coal Industry Association. This standard is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standard Promotion and Technology Committee, and was drafted by the Taiyuan Branch of the China Coal Research Institute. The main drafters of this standard are: Tu Hongjiao, Meng Jianxin, Liu Qiang, Shi Lan. F
1 Scope
High-strength tight paint chain for mining
MT/T929—2004
This standard specifies the size, technical requirements, and test methods of the available and required flow cylinders. Inspection regulations, standards, packaging, transportation and storage.
This standard is applicable to underground scraper conveyors, scraper conveyors and coal-creation machines with high-strength membrane cleaning. 2 Normative references
The following clauses become clauses of the standard through reference to the standard. This is a reference to the standard. All subsequent amendments (excluding errors) or revisions are not applicable to this standard. However, the latest version of this document is the only one that can be used according to the standards. . All the latest versions of the documents without date are applicable to this standard. GB/T2828.=2CC3 Counting sample inspection procedure Part 1: Sampling inspection according to acceptance quality limit (A) Inspection case S2-1:9, D)
GB/T2829--2J92 Periodic inspection 1 Counting sample inspection procedure and table (applicable to the process stability test) Mining strong chain ()
3 Definitions
The following terms and definitions apply to this standard. 3. 1
Xinhai chain cumpelcnins
Purple chain ring group flat broken, with high strength and round broken, the text of the two other flat, the outer size of the small size of the high strength of the mining chain.
Breaking load
The maximum load that a finished chain can withstand in a tension test [GB/T 1E71B-2CC1, definition: 2_3.3
Test load lestFur
The specified load that a finished chain can withstand when it exceeds the specified elongation. _GB/T 12718--200-, defines × 3.37
Elongation percentageelongntion
The length of a new chain divided by the length of the original chain. 3/T12718200- defines × 3.51
Initial load SellineTarce
The load specified by the tension test strip. GB/T1271%2001.23.5
MT/T 929—2004
4 Product type and size
4.1 Type and size
The type, size and quality of the product shall conform to the provisions of Figure 1, Figure 2 and Table 1. C
Figure Poly Bay Shoes
Measurement of Civil Area
Figure 2 Vertical Ring
Table 1 Specifications of Chain, Key Ring Size and Quality Specifications
Warp
36×92
30×155
Diameter d
Fullness.
People
Inside filling a
Flatness position bad outside formation
Environment small fertilizer maximum size
Suspended fire people inches
Circular diameter
34x126
38x136
38×137
38×14t
42x146
42×152
Maximum size
Table 1<slow)
Minimum size
Note 1: The straight edge of the silicon ring refers to the average low value of the observation value from the same front source to the vertical network in the same direction, Note: Flat and minimum internal completion. And the maximum external height is measured from the edge outside the probe holding part to the skin. Note 3: The national torsion half starts at]. The width is relative to the 12\ angle. Nominal chain length and deviation || tt || Nominal chain length and deviation are shown in Appendix A.
4.3 The length of the paired chains shall be the maximum anti-dimensional radius of the circle,
MT/T 929—2304
unit length. On the finished product with a tensile stress of 25N/iam, the length difference of the two paired chains shall meet the following requirements: A) The length difference of the chains within 2 shall not be greater than 0.1% of the total length variation; for chains above 2, the length difference shall not be greater than 0.15% of the chain length; c) If the manufacturer needs to select stricter matching deviations, it can be determined through consultation with the manufacturer. If stricter matching deviations are used, please see Appendix B. 4.4 Product marking
The product marking content shall include the chain mark number, chain gauge, number of installed links and chain assembly quality, etc., as follows: Chain
The quality list of the chain is as follows, and the chain is carefully marked.
Hanrun Pinyin
Manufactured chain
Standard shortened chain
Specification 87 is not valid 21. The quality grade is M/-200. The best choice is
3E X.137-.
5 Technical requirements
5.1 Chains shall comply with the provisions of this standard and be manufactured in accordance with the technical documents approved by the prescribed procedures. MT/T 329—2004
5.2 The quality of the flat ring is not up to standard / 1118-200 households 5.2 to 5.3 provisions: 5.3 The chemical composition and mechanical properties of the positive ring are equivalent to those of the flat ring material. 5.4 The vertical ring is steam-formed, and its surface is not allowed to have cracks, falling off, delamination, over-baking and other defects: 5.5 The vertical ring and the lower back are greater than】mm. 5.7 The requirements for the half-baking and half-bake joints shall comply with the provisions of 5.4 in GB/127.8293:58. Before the start of treatment, the chain should be inspected. Any ring that does not meet the requirements shall be removed and replaced with a new one. The new one shall comply with the provisions of 5.5. 5.9 After heat treatment, the tension chain shall be pre-treated. The pre-tensioning load shall be the load of the chain of the specification. The chain after pre-tensioning shall be inspected. The chain with daily pattern and other defects shall not be removed and replaced with a new one. The damaged one shall be heat treated and pre-tensioned. 5.10 The performance of the paint chain machine shall be specified in B: T1218-UU1. The data of the above regulations and regulations are as follows: The diameter shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. The diameter of the chain shall be the standard for the pitch of the chain. 7.3 Type inspection
7.3.1 Type inspection scope
The scope of type inspection shall comply with the provisions of 7.3.1 in (B:T15716-·20C1). 7.3.2 Type inspection sampling plan
Type inspection shall be carried out in accordance with the provisions of /5-time sampling plan, without pressure level Q-50, and the standard level (death level = 1.The inspection items are suitable for the inspection, and the inspection party meets the requirements. The final number of the second sampling judgment shall be in accordance with the provisions of 7.3.3 Judgment rules and inspection
7.3.3.! The surface quality inspection and scale calibration items are judged by the second sampling judgment value as the cumulative value of the number of unqualified items. The unqualified items in the litigation inspection are divided into two categories: A and B. When the level of the unqualified items is equal to that of the items, the number of unqualified items is 1. 7.3.3.1.1 Surface quality:
1.3.3., 1.1 Any of the following conditions shall be deemed as Class A unqualified: 1) The welding area of the flat ring contains light marks and burns; 2) There are chipping, delamination and over-grinding on the surface of the ring; 3) There are obvious concave and rust pits on the surface of the ring, which affect the quality; 4) There are no defects such as dents, rust pits, etc. on the surface of the ring, which affect the quality; 5) The welding area of the flat ring has no thorns; 6) There are no thorns on the welding area; 7.3.3.1.1.2
The surface of the chain link has defects such as concave and rust pits that affect the quality and are judged as Class III unqualified. 4
7. 3. 3. 1. 2 Dimension inspection;
MTr929-2034
7.3.3.1.2.1 The dimensions and deviations of the tension chain shall meet the requirements of Table 1. The size inspection includes the size inspection and the chain length (including the matching length) size inspection. 7.3.3.1.2.2 When the pitch of the tension chain does not meet the marking requirements, it is classified as Class A. 7.3.3.1.2.3 When the following dimensional deviations do not meet the standard requirements, it is judged as Class B unqualified. The minimum inner width of the α ring, the minimum inner width of the α ring is M1
The flat ring is the outer ring
Three rings, the state radius of the vertical ring:
The maximum self-storage point of the flat ring welding +
The length of the vertical ring welding area!
1) Flat welding misalignment
7.3.3.1.2.4 The chain size inspection results are determined as specified in Table 2. When the chain size and length of the pairing are both qualified, the ruler inspection item is qualified.
Table 2 Type inspection push sample rate
Inspection quality
Inspection cavity source
Unknown surface activity
Environmental position
Impact value
Male design
Wood size
1 sample unit
Flat ring, center ring each
1 sample unit female
Flat ring, ring each
3 sample units
Trial production method and animal requirements
Sign 4.1, 5,4, 5,6,5.? provisions
According to the provisions of .F.[
5,7,2,6.1 in Y12/1-2G
According to the current provisions of 5,7,
6.2 in CB/T127:8-2001
Building CE/T 127=8—2001 5. 7.4.6.2 is in accordance with GB/T12716-250. 5.7.5. Note: A sample unit is 3 rings, 3 half rings; Note 2: A sample unit is 3 rings, 1 ring, 2 rings, 3 half rings. If the user has some requirements, please do as follows: 1: The test method is not available. Regardless of the RQL=50, the sample size is divided into groups. 7.3.3.2 The static tensile strength and tensile strength of the chain, including the gap, shall be in accordance with the inspection rules and re-inspection rules of GH/T 127. 7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
The second sampling plan such as the standard for the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-501) Any of the following situations shall be deemed as Class A unqualified: 1) The flat ring welding area contains light marks and burns; 2) There are cracks, delamination and over-grinding on the surface of the ring; 3) There are concave wolves, rust pits and other defects that affect the quality of the chain link, which shall be judged as Class III unqualified. 4
7. 3. 3. 1. 2 Dimension inspection;
MTr929-2034
7.3.3.1.2.1 The dimensions and deviations of the tension chain shall meet the requirements of Table 1. The size inspection includes the size inspection and the chain length (including the matching length) size inspection. 7.3.3.1.2.2 When the pitch of the tension chain does not meet the marking requirements, it is classified as Class A. 7.3.3.1.2.3 When the following dimensional deviations do not meet the standard requirements, it is judged as Class B unqualified. The minimum inner width of the α ring, the minimum inner width of the α ring is M1
The flat ring is the outer ring
Three rings, the state radius of the vertical ring:
The maximum self-storage point of the flat ring welding +
The length of the vertical ring welding area!
1) Flat welding misalignment
7.3.3.1.2.4 The chain size inspection results are determined as specified in Table 2. When the chain size and length of the pairing are both qualified, the ruler inspection item is qualified.
Table 2 Type inspection push sample rate
Inspection quality
Inspection cavity source
Unknown surface activity
Environmental position
Impact value
Male design
Wood size
1 sample unit
Flat ring, center ring each
1 sample unit female
Flat ring, ring each
3 sample units
Trial production method and animal requirements
Sign 4.1, 5,4, 5,6,5.? provisions
According to the provisions of .F.[
5,7,2,6.1 in Y12/1-2G
According to the current provisions of 5,7,
6.2 in CB/T127:8-2001
Building CE/T 127=8—2001 5. 7.4.6.2 is in accordance with GB/T12716-250. 5.7.5. Note: A sample unit is 3 rings, 3 half rings; Note 2: A sample unit is 3 rings, 1 ring, 2 rings, 3 half rings. If the user has some requirements, please do as follows: 1: The test method is not available. Regardless of the RQL=50, the sample size is divided into groups. 7.3.3.2 The static tensile strength and tensile strength of the chain, including the gap, shall be in accordance with the inspection rules and re-inspection rules of GH/T 127. 7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
The second sampling plan such as the standard for the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-501) Any of the following situations shall be deemed as Class A unqualified: 1) The flat ring welding area contains light marks and burns; 2) There are cracks, delamination and over-grinding on the surface of the ring; 3) There are concave wolves, rust pits and other defects that affect the quality of the chain link, which shall be judged as Class III unqualified. 4
7. 3. 3. 1. 2 Dimension inspection;
MTr929-2034
7.3.3.1.2.1 The dimensions and deviations of the tension chain shall meet the requirements of Table 1. The size inspection includes the size inspection and the chain length (including the matching length) size inspection. 7.3.3.1.2.2 When the pitch of the tension chain does not meet the marking requirements, it is classified as Class A. 7.3.3.1.2.3 When the following dimensional deviations do not meet the standard requirements, it is judged as Class B unqualified. The minimum inner width of the α ring, the minimum inner width of the α ring is M1
The flat ring is the outer ring
Three rings, the state radius of the vertical ring:
The maximum self-storage point of the flat ring welding +
The length of the vertical ring welding area!
1) Flat welding misalignment
7.3.3.1.2.4 The chain size inspection results are determined as specified in Table 2. When the chain size and length of the pairing are both qualified, the ruler inspection item is qualified.
Table 2 Type inspection push sample rate
Inspection quality
Inspection cavity source
Unknown surface activity
Environmental position
Impact value
Male design
Wood size
1 sample unit
Flat ring, center ring each
1 sample unit female
Flat ring, ring each
3 sample units
Trial production method and animal requirements
Sign 4.1, 5,4, 5,6,5.? provisions
According to the provisions of .F.[
5,7,2,6.1 in Y12/1-2G
According to the current provisions of 5,7,
6.2 in CB/T127:8-2001
Building CE/T 127=8—2001 5. 7.4.6.2 is in accordance with GB/T12716-250. 5.7.5. Note: A sample unit is 3 rings, 3 half rings; Note 2: A sample unit is 3 rings, 1 ring, 2 rings, 3 half rings. If the user has some requirements, please do as follows: 1: The test method is not available. Regardless of the RQL=50, the sample size is divided into groups. 7.3.3.2 The static tensile strength and tensile strength of the chain, including the gap, shall be in accordance with the inspection rules and re-inspection rules of GH/T 127. 7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
The second sampling plan such as the standard for the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1csbZxz.net
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-50The minimum inner width of the ring is M1
The flat ring is the outer ring
three rings, the state radius of the vertical ring:
The maximum self-storage point of the flat ring welding +
The length of the vertical ring welding area!
1) Flat welding misalignment
7.3.3.1.2.4 The chain size inspection results are determined according to Table 2. When the chain size and the length of the pairing 1 are both qualified, the ruler inspection item is qualified.
Table 2 Type inspection push sample rate
Inspection quality
Inspection cavity source
Unknown surface activity
Environmental position
Impact value
Male design
Wood size
1 sample unit
Flat ring, center ring each
1 sample unit female
Flat ring, ring each
3 sample units
Trial production method and animal requirements
Sign 4.1, 5,4, 5,6,5.? provisions
According to the provisions of .F.[
5,7,2,6.1 in Y12/1-2G
According to the current provisions of 5,7,
6.2 in CB/T127:8-2001
Building CE/T 127=8—2001 5. 7.4.6.2 is in accordance with GB/T12716-250. 5.7.5. Note: A sample unit is 3 rings, 3 half rings; Note 2: A sample unit is 3 rings, 1 ring, 2 rings, 3 half rings. If the user has some requirements, please do as follows: 1: The test method is not available. Regardless of the RQL=50, the sample size is divided into groups. 7.3.3.2 The static tensile strength and tensile strength of the chain, including the gap, shall be in accordance with the inspection rules and re-inspection rules of GH/T 127. 7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
The second sampling plan such as the standard for the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-50The minimum inner width of the ring is M1
The flat ring is the outer ring
three rings, the state radius of the vertical ring:
The maximum self-storage point of the flat ring welding +
The length of the vertical ring welding area!
1) Flat welding misalignment
7.3.3.1.2.4 The chain size inspection results are determined according to Table 2. When the chain size and the length of the pairing 1 are both qualified, the ruler inspection item is qualified.
Table 2 Type inspection push sample rate
Inspection quality
Inspection cavity source
Unknown surface activity
Environmental position
Impact value
Male design
Wood size
1 sample unit
Flat ring, center ring each
1 sample unit female
Flat ring, ring each
3 sample units
Trial production method and animal requirements
Sign 4.1, 5,4, 5,6,5.? provisions
According to the provisions of .F.[
5,7,2,6.1 in Y12/1-2G
According to the current provisions of 5,7,
6.2 in CB/T127:8-2001
Building CE/T 127=8—2001 5. 7.4.6.2 is in accordance with GB/T12716-250. 5.7.5. Note: A sample unit is 3 rings, 3 half rings; Note 2: A sample unit is 3 rings, 1 ring, 2 rings, 3 half rings. If the user has some requirements, please do as follows: 1: The test method is not available. Regardless of the RQL=50, the sample size is divided into groups. 7.3.3.2 The static tensile strength and tensile strength of the chain, including the gap, shall be in accordance with the inspection rules and re-inspection rules of GH/T 127. 7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
The second sampling plan such as the standard for the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-503.8), 2.7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
It is necessary to separate the packaging! -The second sampling plan such as the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-503.8), 2.7.3.3.3 The inspection results must meet the requirements of the single inspection. The single inspection age is 5
MT/T $29-2334
7.4 Delivery inspection
Products can only be shipped after the factory inspection by the technical inspection department of the manufacturer. When leaving the factory, there are product quality certification documents. 7.4.1 Delivery inspection sampling plan
It is necessary to separate the packaging! -The second sampling plan such as the standard of GB/T2828.1.-2003 is adopted. Size and cutting surface are required. The inspection level is a version of the inspection level. The tensile test sample is not inspected. The special six-level 1 standard is used. The sample size, test method, etc. are required according to the requirements of the acceptance quality limit. The sampling plan shall be tightened according to the requirements of the table 3 of the factory inspection. The quantity and quality of the static tensile test items shall be removed and the static tensile test plan shall be in accordance with the requirements of 4.1.5.*.5.5.5. : #CB/T:371S—3001 5,7.1
5.7.2.6.1 Determination method 1: Only 13 samples are required for random inspection of size and surface, including 5 upright balls, 7 flat pieces, and 2 additional sample units for inspection, including 5 upright balls, 2 flat pieces, and 3 flat rings; after acceptance, the final limit is 4QL-15
and the sampling method for class determination is resumed
Note 3: The number of sampling judgments in the surface quality inspection and size inspection items is more than the cumulative number of Class A unqualified items, 7.4.2 Inspection transfer rules
and the inspection transfer rules shall be in accordance with the provisions of GH/T2B23.120059.3. 7.4.3 Judgment rules
7.4.3.1 The chain should comply with the provisions of 7.3.3.1 and 7.3.2. 7.4.3.2 The inspection results of the chain should be issued according to the inspection requirements. The factory inspection standards 3 Marking, packaging, transportation and storage
procedures, 1. The qualified chain should be marked. 1.1 For short chains with a length of more than 2m, the mark should be placed in the middle. For long chains with a length of more than 2m, a mark should be placed at each end. The marks should be placed on the straight edge of the chain link.
The marking content includes the production code and quality assurance requirements. The regulations are as follows: Factory
Chain live Quality grade, with D Chinese Pinyin, the code, with no language card, not CD characters 8.2 Products should be tied firmly, not open during transportation, use oblique bundles as much as possible to tie two labels, the label should indicate: product name, each bundle number, total number of bundles, etc. Product quality specifications: The certificate contains: specifications, environmental protection, quality grade, standard code, inspection date and inspection personnel code 3.3 Products should be stored in a place that can prevent rain and water from intrusion. Minimize long-term exposure to sunlight. Appendix
[Normative record]
Nominal chain length
M/T 929—2004
The nominal length of the whole chain (see Table A.1 in Figure 1) is the length measured at a maximum of 25V/mm or the product is continuous. The chain length is determined according to the formula. 1>Tax determination:
The length of the chain and the deviation
The pitch should be 100 mm (mm)
Nominal chain length and deviation
26x52
34×126
38x127
sn:1cs
38×127
22X-46
42×152
72
+2, 21
- 4, 36
....? A.1)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
4 ring is not general
Attachment B
(normative record)
chain case matching length and compilation
national use 1 chain matching length
matching length and academic
sexual age and the breaking gland bias
breaking use response
more than 2: the length of the sex should be tested, each length is photographed. Note 1, sex ring micro number;
2>5--1e
Note 2, the light limit plastic in the initial load specified in Table E of GE/=2:18-2001 has the lower test weight. >20--25
>25-501)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
Four rings are not generally
Attached B
(Normative vaginal record)
Chain case pairing length and compilation
National use 1 chain pairing length
Pairing length and academic
Sexual older than the glandular deviation
Break with effect
More than 2: The length of the sex should be tested, and each length should be photographed. Note 1, the limit of plasticity is a number;
2>5--1e
Note 2, the light limit plasticity is measured under the initial load specified in Table E of GE/=2:18-2001. >20--25
>25-501)
MT/T929—2004
2h×92
3G×185
34 ×125
38×126
38×137
38x146
42#145
42x152
Four rings are not generally
Attached B
(Normative vaginal record)
Chain case pairing length and compilation
National use 1 chain pairing length
Pairing length and academic
Sexual older than the glandular deviation
Break with effect
More than 2: The length of the sex should be tested, and each length should be photographed. Note 1, the limit of plasticity is a number;
2>5--1e
Note 2, the light limit plasticity is measured under the initial load specified in Table E of GE/=2:18-2001. >20--25
>25-50
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