This standard specifies the technical requirements, test methods, inspection rules, etc. of chain-type stepping shot blasting machines. This standard applies to the machine. JB/T 8351-1996 Technical requirements for chain-type stepping shot blasting machines JB/T8351-1996 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T 8351-96
Chain-type stepping shot blasting machine
Technical conditions
1996-04-11 Issued
Ministry of Machinery Industry of the People's Republic of China
1996-10-01 Implemented
JB/T8351-96
In the process of specializing in this standard, national standards and foreign advanced standards were adopted to a certain extent. For the provisions of surface cleanliness, the original standard adopts TSO) 8501-1 (Visual assessment of surface cleanliness Part 1: Rust grade and pretreatment grade of untreated materials and materials after comprehensive removal of the original treatment layer) for the determination of surface roughness. This standard adopts the comparison blocks made with reference to ISO2532/11 (Part 2: Comparison blocks made by spark blasting, shot peening, sand blasting and polishing). This standard will be implemented from October 1, 1996. This standard was proposed and coordinated by the National Technical Committee for the Standardization of Machinery, and the drafting unit of this standard is Beidao Third Casting Machinery Factory. The main drafter of this standard is the third.
This standard was first issued on April 11, 19%. - Scope
Machinery Industry Standards of the People's Republic of China
Chain Stepping Shot Blasting Machine
Technical Provisions
JB/T 8351-96
Standard specifies the technical requirements, test methods, inspection rules, etc. of chain step filter (hereinafter referred to as filter). Standard application type:
2 Reference: Applicable standard
: The provisions contained in the following standards shall constitute the provisions of this standard before they are used in this standard: When this standard is used, the provisions shown in the table are valid, all requirements will be revised, and the party using this standard should consider using the latest version of the following standards. GB91SC
Packaging pig transport pictorial mark
Zhengye Mechanical and Electrical Equipment First Xing Division: General Adjustment Method Public Parts CB/T5226:1-1UU5
GTT 1330G—9
JB/T 123063
Is1644
JB26782
IR 3715. 5-84
JB/T536191
JE/T 5355. 1-$JwwW.bzxz.Net
Jncr 55e7
J3/T 6331.2S2
J8/ ! 617X-63
+ 8355 --S6
ZB J50 o088
25 130 014.80
3 Technical requirements
3.1 General technical requirements
Development of joint type, engineering design and implementation of technical requirements
General technical requirements for mechanical manufacturing
General requirements for six-force inspection of metal cutting machines
Technical requirements for double-return equipment
Technical requirements for painting of mechanical equipment
Method for determination of mechanical cleanliness by vertical method
Technical requirements for metal protection of mechanical manufacturing
Special requirements for sound protection 3.1.1 The machine shall comply with the provisions of this standard 1B1644. And the detailed use and technical documents shall be selected according to the approved order; 3.1.2 The air system of the machine shall comply with the provisions of GB=226.1; 3.1.3 The speed of the machine shall comply with the provisions of JB/T534. 3.1.4 The various signs on the cleaning machine shall comply with the provisions of GB133C6, and the joint cleaning room shall be equipped with appropriate equipment. 3.1.5 The moving parts of the cleaning machine shall be equipped with safety protection facilities or measures, and the safety protection shall comply with the provisions of JB5515. 3.1.6 The bearings and steel slides shall be well lubricated and dust-free. 3.1.7 The shot blasting machine used in the cleaning machine shall comply with the provisions of B3713.2 or BT6578. 3.1.8 The surface of the cleaning machine shall not have protrusions, depressions, unevenness and other damage not specified in the national standard. Approved by the City Industry on April 11, 1996
16-10-Implementation
JB/8351-96
3.1.9 The external coal surface shall be leveled + smooth or flaky and corrugated, and the surface shall be cleaned to avoid foam. 3.1.10 Before cleaning the various parts, the lines should be arranged closely, arranged evenly and fixed firmly, and should not collide with other parts.
The sand material in the spring bed after the separation of the warp sand tester shall not contain qualified reverse filling. 3.1.12 The projectile circulation system shall comply with the relevant provisions of JB/T8355. The limit value of each reducer is 0.03% of the oil loss under the lubrication test standard. 3.1-13
3.1, 14 The internal cleaning of the exhaust gas machine shall comply with the provisions of Appendix A of 1B/1430--93. The linearity of the working plane of the chain walking track shall not be greater than 1.5/1000. 3.1.15
The installation level of the working plane of the chain walking system shall not be greater than 1.5/1000. 3.1.17
The new guide of the hanging needle shall be flat and reliable: 3. 1. 18
The roller surface of the chain trolley should be no less than 45HRC, the sprocket and the walking track should be close to each other, the chain positioning should be accurate and flexible, and the self-rotation of the high structure should be uniform. 3. 1.J91
Cleaning the machine room, especially the door: there should be facilities to prevent projectiles from flying out. 3. 1.20
3.1.21 The fire extinguisher should be equipped with a dust removal system or a flange connected to the dust removal system. The ventilation volume of the cleaning room should be selected according to the needs of the dust removal effect.
3.1.22 The full-scale machine should have measures to prevent dust collection and blockage on the station tree. 3.1.23 The full-scale machine door, dust collection system and other charging systems should be equipped with electrical interlocking devices. 3.1.24 The overflow machine parts should be replaceable. 3.1.25 The first overhaul period of the full-scale machine under normal working conditions should not be less than 4UWU. 3.1.26
Random accessories and spare parts should be complete,
Random technical documents It should include the product manual, production certificate and warranty sheet. The preparation of the random technical documents should comply with the provisions of Z3.1.27
15G005
3.2 Technical requirements for idling and loading operation
3.2.1 The operation of the hoisting chain and the lifting gear should be flexible and stable. The limit device should be sensitive and reliable. 3.2 The interlocking mechanism should be flexible, complete and reliable. 3.2.3 The operation of each movement mechanism should be normal and there should be no abnormal movement. The action of the electrical control system should be adjustable, flexible and reliable. 3.2.4
3.2.5 The membrane circulation system should work normally and there should be no jamming phenomenon. The fasteners and joints should not move freely. The temperature rise of the rolling bearing should not exceed 35℃ and the maximum temperature should not exceed 35℃. 3.2.T
The machine should not have any abnormal impact and sharp production during operation. The idle operation time should not be greater than 93d (A). 3.2.8
The chain should be stable and reliable under the condition of large load. 3.2.9
3.2.10 The shot supply system should not have any filling phenomenon. The action of the shot supply door should be reliable. 3.2.11 The shot blasting machine should not have obvious correction and filling phenomenon. 3.2.12 The machine room body, especially the door, should be elastic and out. 3.2.13 The room is full. The ball separator should work under negative pressure. The dust collector equipped with the machine should be discharged to the atmosphere. The dust concentration should be less than 150ng/ap
3.3.14 Under the conditions of production rate and appropriate projectile specified in the technical documents, the performance of the machine should meet the requirements of one or more of the following clauses according to the use period, and should be clearly specified in the supporting documents or other documents. 3.2.14. The surface deactivation degree of the workpiece after non-shot processing should meet the following use requirements:) When inspected under low efficiency, the surface of the workpiece should be free of visible grease and dirt, and there should be no attached skin, scratches, or foreign matter.
JB351—9G
Note: If the putty is not resistant to knife scraping, the product is not considered normal. b) Bottom blasting cleaning
When observing without letting people go, the workpiece surface should be free of visible grease and dirt, and almost no scale, iron layer and separation, and any residue should be semi-attached. C) Bottom blasting cleaning
When observing without letting people go, the workpiece surface should be free of visible grease and dirt, and no oxide scale, rust.Paint cleaning and any residual defects shall be only slight spots or streaks. ) Make the parts show active blast cleaning
Observe without magnification. The surface of the workpiece shall be free of visible grease and dirt, and shall be free of scale, corrosion, paint layer and other materials. The surface shall have a uniform golden color. 3.2.14.2 The surface roughness of the workpiece after blasting shall meet the specified requirements. 3.2.14.3 The shot blasting strength of the workpiece after hot shot processing shall meet the specified requirements. 3.2.14.4 If there is no regulation: the surface coverage of the workpiece shall not exceed S8%. 4 Test method
4.1 The machine shall be operated idly every time. The idling time shall not be less than 2h. 4.2 Before load transfer, the machine must be idling and then load transfer must be carried out according to the maximum load design. 4.3 The ball rate shall be measured according to the provisions of B/T8355-96114.6. 4.4 The noise shall be measured according to the provisions of JB/T6331.2. 4.5 The air quality shall be measured according to the provisions of JB/T5365.1. 4.6 The dust emission concentration shall be measured according to the relevant provisions of the national environmental protection department. 4.7 3.1.15 and 3.1.16 of this standard shall be measured according to the provisions of J2670. 4.8 The surface resistance shall be measured according to the provisions of 2.1 of JB/T335596. 4.0 The ball strength shall be measured according to the provisions of A in JB/T8355-96. 4.10 The cost benefit shall be measured according to the provisions of JR/8355-954. 4.18 4.11 To make! When the whole machine is assembled and tested under the conditions, it is allowed to be carried out in the user's factory, but the assembly part must be transported before leaving the factory.
5 Inspection rules
5.1 Factory inspection
5.1.1 Each cleaning machine shall be inspected by the quality inspection department of the manufacturer and accompanied by a product quality certificate before leaving the factory. 5.1.2 Factory inspection shall be carried out according to the provisions of 3.1.3~3.1.5, 3.1.5~3.1.10.3.1.15, 3.1.23, 3.1.24, 3.1.27, 3.2.2~32.5, and all the inspection items shall be qualified. 5.3 Type risk
5.2.1 When one of the following conditions occurs, type inspection shall be carried out:! Trial type identification for new products or old products transferred to regular production: a) After formal production, if there are major changes in structure, materials and processes that may affect product performance: 1) During regular production, once every 3 years; d) When production has been suspended for more than 2 years and regular production is resumed: 3) When there is a significant difference between the factory inspection result and the last type inspection result; 4) When the quality supervision agency of the same country reports the requirement for type inspection and adjustment 5.2.2 Type inspection results shall be randomly sampled and inspected on 2% of each batch but not less than one unit. 5.2.3 Type test items shall be all items specified in this standard. All inspected items shall be qualified. 3
6 Marking, packaging, storage and transportation
JB/T 8351—96
6.1 The packaging of the cleaning machine shall comply with the provisions of J5nn14. 6.2 The packaging, storage and transportation diagrams of the cleaning machine shall comply with the relevant provisions of GB1S1. 6.3 The transportation of the cleaning machine shall comply with the provisions of soft road, highway, water transport and mechanized port transportation.
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