Some standard content:
D96 | | tt | | JB | ||Ministry of Machinery Industry of the People's Republic of China
Released
Implemented on 1994-07-01
2
Machinery Industry Standard of the People's Republic of China
Peripheral transmission type Concentrator
Subject content and scope of application
This standard specifies the type, basic parameters, dimensions and technical conditions of peripheral transmission concentrators. This standard applies to peripheral transmission concentrators (hereinafter referred to as concentrators). ) design, manufacturing and acceptance. Reference standards
GB308
GB998
GB3768
GB9286
GB/T13306
JB2299
JB2300||tt| |3 Product Category
Type
3.1
Rolling Bearing
Steel Ball
Low Voltage Electrical Appliances
Basic Test Methods
Noise Simple method for determination of source sound power level
Paints and varnishes
Signs
Cross-hatch test of paint films
Coatings of mining, engineering, lifting and transportation auxiliary machinery products Paint color and safety signs Slewing bearing type, basic parameters and technical requirements The concentrator can be divided into the following two types according to its transmission mode: a.
b.
Peripheral wheel transmission concentrator: | |tt||Peripheral rack transmission concentrator.
3.2 Basic parameters and dimensions
The basic parameters and dimensions of the concentrator should comply with the specified type
No.
NG-15/6
NT-15/10
NG-18/9
NT16/14
NG—24/16
NT-24/25
NG— 30/23
NT-30/40
NT—38/42
NT38/58
Liquid braided tank inner diameter
m||tt| |15
18
24
30
38
Approved by the Ministry of Machinery Industry on 1993-09-03
Pool Center Baodu| |tt||n
3. 0~4. 0
3. 4~4. 5
4.5~5.5
Work load
kN·m
60
100
90
≤140
≤160
250
230||tt ||400
≤420
≤580
Time per target frame revolution
min
7.5~8.5
8.5~10.0| |tt||12.0~18.0
14.0~20.0
15.0~25.0
JB/T 6991 93
JB1659~75
Police Acting|| tt||JB1660-75
Transmission motor power
kw
5.5
7.5
11.0
Total
5 . c
≤11.6
≤10.0
12.0
≤24. 0
≤28. 6
≤26.5||tt ||≤31.0
≤55.0
≤57.G
Implemented on 1994-07-01
1
Type
No.| |tt||NT-45/59
NT-45/80
NT-53/82
NT-53/100
NT-75/150| |tt||NT-75/200
NT-100/250
NT-100/320
Inner diameter of shrink tank
m
45
53
75
100
JB/T6991—93
Pool center depth
m
4.5~5.5
5.0~6.0
5.5~7.5
5.5~8.5
Working torque
kN+m
≤590||tt| |≤800
≤820
≤1000
≤1500
≤2000
≤2500
≤3200
Time per turn of the handle
min
16.0~26.0
18.0~30.0
26. 0~60. 0
33.0~80.0||tt ||Note: The time per revolution of the target frame refers to the time range (non-speed adjustment). One or more types can be selected within this range during design. 3.3 Model Description
T-30/41
N
Working torque, 10kN·m
Inner diameter of the concentration tank. m
Rack transmission, G is wheel transmission
Concentrator
3.4 ??mark example
Transmission motor power
kw
11.0 ~15.0
15.0~22.0
total
t
most
≤58.5
≤71.5
≤69.5| |tt||≤80.0
≤110.0
≤130.0
≤150.0
≤200.0
a.
The inner diameter of the concentration tank is 30m, a peripheral wheel transmission concentrator with a working torque of 230kN·m. Its mark is: Concentrator NG-30/23JB/T6991-93
The inner diameter of the concentration tank is 100m, and the working torque is 3000kN·m. Peripheral rack transmission concentrator. Its mark is: b.bzxZ.net
Concentrator NT100/300JB/T699193
4 Technical requirements
4.1 The concentrator shall comply with the requirements of this standard, The concentrator is manufactured in accordance with the national samples and technical documents approved by the prescribed procedures. 4.2 The concentrator is suitable for working under the following conditions: the feed particle size is 0~3mm:
a.
b.||tt ||The feed concentration is 1%25%.
4.3 All parts and components must be inspected and qualified; purchased and outsourced parts must have certification documents before they can be assembled. 4.4
The mechanism of the concentrator should be sensitive to the following points: a.
b.
c.
Do not leak stagnant oil into the concentration tank:||tt ||Easy to install, maintain and lubricate:
Equipped with overload alarm device.
The central slewing bearing of the concentrator should generally use a single-row crossed roller slewing bearing or a single-row four-point contact spherical slewing bearing. It complies with the requirements of 4.5
and JB2300, and can also be manufactured by yourself. , but should be proud of the following points: a.
b.
The surface of the raceway must be fire-treated. The hardness should not be less than 40HRC, and the surface must not have defects such as blisters, pores, shrinkage, etc. : Steel balls should comply with the relevant regulations of GB308.
4.6 The transmission device should achieve the following points:
2
a.
The reducer should rotate flexibly:
Contact spots:
b.
along the tooth length ≥ 40%;
along the tooth length ≥ 30%:
JB/T·699193
bearing The temperature rise shall not exceed 35℃, and the maximum temperature shall not exceed 70℃. c.
4.7 The following points should be achieved during the electrical installation inspection:
a.| |tt | The spring of the compressed brush should ensure close contact between the brush and the collector ring when they rotate relative to each other. The surface of the spring should be anti-corrosion treated; the surface of the collector ring in contact with the brush should not have blisters, pores and other defects. All welds should be smooth, and no defects such as burn-through, streaks, slag inclusions, or undercuts are allowed. 4.8
4.9
The rack pitch deviation of the rack-driven compressor must not exceed ±1mm. 4.10
4.11
Large concentrators and other components should have lifting rings, lifting lugs, lifting holes, etc. for lifting. The exposed rotating parts and components of the concentrator should have lightweight protective sheets or casings. 4. 12
The transmission arm and trough frame leading to the central part of the concentrator should be equipped with walkways and railings. 4.13·The non-cutting surface of exposed metal parts should be coated with primer and topcoat. The total thickness of the paint film should not be less than 74μm: the adhesion of the film should not be lower than level 2 in GB9286. The paint should be evenly painted, and there should be no paint peeling, Defects such as peeling, cracks and flow marks. The paint color should comply with the regulations of JB2299. 4.14 The noise sound pressure level when the concentrator is working shall not exceed 85dB(A). 4. 15
The concentrator should have the following reliability and durability indicators: a.
b.
The trouble-free working time is not less than 1 year;
The service period shall not be less than 15 years.
Complete supply scope of concentrator:
4.16
a.
b.
Complete mechanical part;
Motor and control part:
Spare parts specified in the order contract. | |tt | Article b is inspected by the conventional method of painting and spraying; Article 4.6c is measured with a semiconductor point thermometer; Article 4.6a should be able to be turned by hand before testing the machine. 5.2 The voltage test in Article 4.7 shall be carried out in accordance with Article 6.3 in GB998. 5.3 The quality of the weld in Article 4.8 shall be observed with the naked eye. 5.4 Article 4.13 The appearance quality of the concentrator paint shall be observed with the naked eye, and the paint film thickness shall be measured with a magnetic thickness gauge. The adhesion force of the paint film is tested according to the method specified in GB9286.
5.5 Article 4.14 The noise sound pressure level of the concentrator shall be measured according to the rectangular hexahedron method specified in GB3768 when the transmission device is running. 6 Inspection Rules
6.1 The concentrator must pass the inspection by the technical inspection department of the manufacturer before it can leave the factory. When leaving the factory, it must be accompanied by documents proving that the product quality is qualified.
6.2 The concentrator shall undergo factory inspection and type inspection. 6.2.1 Each concentrator shall undergo factory inspection to check whether the concentrator complies with the provisions of Articles 4.4a, 4.6a and 4.6c, 4.7.4.8, 4.13 and 4.14 of this standard.
6.2.2 In any of the following situations, a type test should be conducted on the concentrator. Check whether the concentrator meets all the requirements of this standard. Trial prototype appraisal of new products or old products transferred to factory production: a.
After formal production. If there are major changes in structure, materials, and processes that may affect product performance: b.
E .
During normal production, inspection should be carried out every 5 years: 3
d. When production is resumed after 3 years of discontinuation: e.
JB/T 699193||tt ||When the factory inspection results are significantly different from the last type inspection: f.
When the national quality supervision agency proposes type inspection requirements, 7 marking, packaging, transportation and storage
7.1 per unit The product label of the concentrator should be fixed at an obvious position on the appropriate surface. Its type and size should comply with the regulations of GB/T13306. The following content should be marked:
Manufacturer name and trademark:
a.| |tt||Product name and model:
b.
Main technical specifications:
e.
d. Factory number, manufacturing date,
7.2 The concentrator should be packed and wrapped in parts and its shipment should comply with the requirements for waterway and land transportation and loading and unloading. The exposed surface of the machine should be anti-corrosion treated and wrapped firmly with oil paper, plastic film, and jute linen. 7.3 Electrical devices, scattered components, and parts should be packed in closed boxes. The packaging boxes should have ventilation and rainproof measures. The parts inside the box should be labeled. 7.4
7.5
The components in bare packages and closed boxes should be protected from damage and corrosion during transportation, and the oil holes on the concentrator should prevent foreign matter from entering. There should be obvious text marks on the side walls of the packaging box. The contents include: a.
b.
e
d.
e.
7. 6
Name of receiving station and receiving unit:
Contract number, product model and name;
Manufacturer name and trademark;
Gross weight, net weight, box number And overall dimensions: center of gravity, lifting line, storage and transportation signs.
The operating equipment should be attached with a sign. The content of the sign is the same as Article 7.5. Products should be stored in a warehouse or a location that can be ventilated, prevent bacteria, and prevent direct light exposure. 7.7
comes with the following technical documents:
7.8
a.
b.
e.
d.||tt| |General product drawing, installation drawing, wearing parts drawing and electrical control schematic diagram: Product certificate:
Product manual:
Packing list.
8Manufacturer Guarantee
8.1 Under the condition that the user abides by the transportation, storage, installation and use rules stipulated in this standard and the instruction manual, the manufacturer shall ensure that the concentrator meets the requirements of this standard,| |tt||8.2 Within 18 months from the date of shipment of the concentrator, and it has been put into use for no more than 12 months, if the machine does not work properly due to manufacturing quality problems, the manufacturer shall repair or replace it for the user free of charge. Additional notes:
This standard was proposed by the Washing and Manufacturing Equipment Sub-Technical Committee of the National Mining Machinery Standardization Technical Committee. This standard is under the jurisdiction of Shenyang Mineral Processing Machinery Research Institute. Shenyang Mining Machinery Co., Ltd. is responsible for drafting this standard, and the main drafter of this standard is Hu Chongxue.
4
6a and 4.6c, 4.7.4.8, 4.13, and 4.14 provisions.
6.2.2 In any of the following situations, a type test should be conducted on the concentrator. Check whether the concentrator meets all the requirements of this standard. Trial prototype appraisal of new products or old products transferred to factory production: a.
After formal production. If there are major changes in structure, materials, and processes that may affect product performance: b.
E .
During normal production, inspection should be carried out every 5 years: 3
d. When production is resumed after 3 years of discontinuation: e.
JB/T 699193||tt ||When the factory inspection results are significantly different from the last type inspection: f.
When the national quality supervision agency proposes type inspection requirements, 7 marking, packaging, transportation and storage
7.1 per unit The product label of the concentrator should be fixed at an obvious position on the appropriate surface. Its type and size should comply with the regulations of GB/T13306. The following content should be marked:
Manufacturer name and trademark:
a.| |tt||Product name and model:
b.
Main technical specifications:
e.
d. Factory number, manufacturing date,
7.2 The concentrator should be packed and wrapped in parts and its shipment should comply with the requirements for waterway and land transportation and loading and unloading. The exposed surface of the machine should be anti-corrosion treated and wrapped firmly with oil paper, plastic film, and jute linen. 7.3 Electrical devices, scattered components, and parts should be packed in closed boxes. The packaging boxes should have ventilation and rainproof measures. The parts inside the boxes should be labeled. 7.4
7.5
The components in bare packages and closed boxes should be protected from damage and corrosion during transportation, and the oil holes on the concentrator should prevent foreign matter from entering. There should be obvious text marks on the side walls of the packaging box. The contents include: a.
b.
e
d.
e.
7. 6
Name of receiving station and receiving unit:
Contract number, product model and name;
Manufacturer name and trademark;
Gross weight, net weight, box number And overall dimensions: center of gravity, lifting line, storage and transportation signs.
The operating equipment should be attached with a sign. The content of the sign is the same as Article 7.5. Products should be stored in a warehouse or a location that can be ventilated, prevent bacteria, and prevent direct light exposure. 7.7
comes with the following technical documents:
7.8
a.
b.
e.
d.||tt| |General product drawing, installation drawing, wearing parts drawing and electrical control schematic diagram: Product certificate:
Product manual:
Packing list.
8Manufacturer Guarantee
8.1 Under the condition that the user abides by the transportation, storage, installation and use rules stipulated in this standard and the instruction manual, the manufacturer shall ensure that the concentrator meets the requirements of this standard,| |tt||8.2 Within 18 months from the date of shipment of the concentrator, and it is not put into use for more than 12 months, if the machine does not work properly due to manufacturing quality problems, the manufacturer shall repair or replace it for the user free of charge. Additional notes:
This standard was proposed by the Washing and Manufacturing Equipment Sub-Technical Committee of the National Mining Machinery Standardization Technical Committee. This standard is under the jurisdiction of Shenyang Mineral Processing Machinery Research Institute. Shenyang Mining Machinery Co., Ltd. is responsible for drafting this standard, and the main drafter of this standard is Hu Chongxue.
4
6a and 4.6c, 4.7.4.8, 4.13, and 4.14 provisions.
6.2.2 In any of the following situations, a type test should be conducted on the concentrator. Check whether the concentrator meets all the requirements of this standard. Trial prototype appraisal of new products or old products transferred to factory production: a.
After formal production. If there are major changes in structure, materials, and processes that may affect product performance: b.
E .
During normal production, inspection should be carried out every 5 years: 3
d. When production is resumed after 3 years of discontinuation: e.
JB/T 699193||tt ||When the factory inspection results are significantly different from the last type inspection: f.
When the national quality supervision agency proposes type inspection requirements, 7 marking, packaging, transportation and storage
7.1 per unit The product label of the concentrator should be fixed at an obvious position on the appropriate surface. Its type and size should comply with the regulations of GB/T13306. The following content should be marked:
Manufacturer name and trademark:
a.| |tt||Product name and model:
b.
Main technical specifications:
e.
d. Factory number, manufacturing date,
7.2 The concentrator should be packed and wrapped in parts and its shipment should comply with the requirements for waterway and land transportation and loading and unloading. The exposed surface of the machine should be anti-corrosion treated and wrapped firmly with oil paper, plastic film, and jute linen. 7.3 Electrical devices, scattered components, and parts should be packed in closed boxes. The packaging boxes should have ventilation and rainproof measures. The parts inside the box should be labeled. 7.4
7.5
The components in bare packages and closed boxes should be protected from damage and corrosion during transportation, and the oil holes on the concentrator should prevent foreign matter from entering. There should be obvious text marks on the side walls of the packaging box. The contents include: a.
b.
e
d.
e.
7. 6
Name of receiving station and receiving unit:
Contract number, product model and name;
Manufacturer name and trademark;
Gross weight, net weight, box number And overall dimensions: center of gravity, lifting line, storage and transportation signs.
The operating equipment should be attached with a sign. The content of the sign is the same as Article 7.5. Products should be stored in a warehouse or a location that can be ventilated, prevent bacteria, and prevent direct light exposure. 7.7
comes with the following technical documents:
7.8
a.
b.
e.
d.||tt| |General product drawing, installation drawing, wearing parts drawing and electrical control schematic diagram: Product certificate:
Product manual:
Packing list.
8Manufacturer Guarantee
8.1 Under the condition that the user abides by the transportation, storage, installation and use rules stipulated in this standard and the instruction manual, the manufacturer shall ensure that the concentrator meets the requirements of this standard,| |tt||8.2 Within 18 months from the date of shipment of the concentrator, and it has been put into use for no more than 12 months, if the machine does not work properly due to manufacturing quality problems, the manufacturer shall repair or replace it for the user free of charge. Additional notes:
This standard was proposed by the Washing and Manufacturing Equipment Sub-Technical Committee of the National Mining Machinery Standardization Technical Committee. This standard is under the jurisdiction of Shenyang Mineral Processing Machinery Research Institute. Shenyang Mining Machinery Co., Ltd. is responsible for drafting this standard, and the main drafter of this standard is Hu Chongxue.
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