Some standard content:
Industry Standard of the People's Republic of China
QB2176, 2191-95
QB/T1177~2185-95
Bicycle Industry Standard
199512-05 Issued
China Light Industry Federation Issued
1996-07-01 Implementation
! Subject Content and Scope of Application
Industry Standard of the People's Republic of China
Bicycle
Flywheel Rear Axle
YYKAoNr KA8
Qn/T 2177-95
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of bicycle flywheel rear axles
This standard is applicable to the flywheel rear axles of general-purpose bicycles specified in QB1714. 2 Reference standards
CB2328
Batch inspection count and sequence table applicable to continuous batches of variable period inspection count and sampling table (used for the inspection of the quality of dust products) QE1217
QBT1219
Bicycle self-forging parts
White bicycle surface oxidation treatment current batch technical case
QB1220
White bicycle metric screw and nut comparison
QB 1221
QB1714
Bicycle
Motorcycle
QB/T1883
QD/T1887
3 Terminology and code
3.1 Terminology
British system and standard
Naming and model designation method
Bicycle front axle and rear axle
Bicycle
Flywheel rear axle and motorcycle rear axle with flying function. Axle body, axle tube, flywheel core, etc. are combined into a vertical body. 3.2 Code
Flywheel rear axle FZ.
4 Product classification
Use can be divided into two categories: single-stage flywheel rear axle and multi-stage flywheel rear axle. 4.1 Main types, sizes and parts names
4.1.1 The example of single flywheel rear axle is shown in Figure 1 and Table 1. China Light Industry General Association 1995-12-05 Standard
199607-01 Actual bottle
1 Data:
6-A habit ball requires a frame,
11-Center
2·Frequency band:
QU/T 2177.-95
3-Pad diagram:
4-Axis:
5-Dustproof blue:
9·Back
6-Left flower plate,
7-Axis,
12-Wheel:
Note, sprockets are of two types: integral and combined. A
45,4K,5,52.5
* are preferred sizes.
41°43,45
13thousand jin millimeter,
14-thousand jin,
10.-Name flower plate:
Each flower plate has a bar hole effect
M36×16x
M:0X1-6H/6 x
HC.379-26 6H/g6c
R1.375246g
10,1418,20The bar holes on the two
flower plates are inward
borrowed from each other to open half a distance
QB/T 2177-$5
4.1.2 Examples of multi-touch flywheel rear axles are shown in Figure 2 and Table 2. 10
Elephant·a drop
1 one-axis data;
7-axis breeding:
2-object:
B left flower plate
15-kilometer,
use range
second, second, fourth-level flywheel rear axle||tt ||Five, six, seven-stage flywheel rear axle
Sixth and seventh-stage flywheel rear axle
4.1 Product number
3-industry drawing:
9-axle bottom
14-ton balance:
-a stopper:
5-dust-proof
10-right flower plate,
15-bushing:
-KAoN KAci
6-stewed or happy frame;
11-heart
16-or#:
M1DX1-RH/6z
B0.3r9-2F-6H/6g5e
12-outer
17-silicon wheel
Each north plate
East hole effect
14,1R,Z two
M3SX1-6g
BJ.375-24-6g
The code of the flywheel rear axle is the type code, specification code and factory design sequence number group or. The bearings on the flower pattern should be staggered with each other. For the flywheel shaft with locking screw, the thread code should be added after the type code. The metric thread is M. The imperial thread is B-1. Example 1: Single-stage flywheel rear axle model identification example QB/T 2177—95 110×16 Example 2: Multistage flywheel rear axle model identification example 5 Technical requirements 5.1 Strength 125×16 5.1. The arc of connection between the flower disc and the shaft tube should be able to withstand a torque of more than 35N·m. Factory Design Item No.
Opening Size
Effect Code
Type Code
Industrial Design Product
Opening Size
Type Code
5.1.2 For sprockets with less than 20 teeth, a force of 0.000V can be applied in the driving direction, and no part shall be damaged. For sprockets with more than 20 teeth, a torque of 200N·m can be applied in the driving direction, and no part shall be broken. 5.2 Hardness
The hardness of each part of the flywheel shall meet the requirements of 4.3.1 and 4.3.2 of QB/1887; 5.3 Flexibility
The sprocket shall be flexible in reverse rotation without any jamming. 5.4 Sensitivity
Single-stage flywheel rear axle sensitivity is measured by standard push-and-pull, the number of lifts is not less than 85 times: 5.5 Sprocket and chain matching
The sprocket and chain should be properly matched with the bicycle chain, and there should be no teeth or jamming. .6
5.6.1 Shaft body movement
Flywheel with brake assembly groove, the end face runout and radial circle runout at the assembly end groove shall not exceed 0.3ra.
Sprocket return vibration is shown in Table 3.
5.7 Screw accuracy
The thread pattern M35×1-6g should comply with the provisions of 3.13.2 and 3.3.3.4 of QB1220. Frequency efficiency B1.375-24-6 should comply with the provisions of 3.1.3.2 and 3.3.3.4 of QD1221. 5.8 Wear resistance
The matching performance should comply with the provisions of 4.6 of QB/T1863. 5.9 Shaft bowl quality
Medium frequency flywheel rear axle
71~17 step gear
1K~2% gear selection wheel
7+
QR/T2177—95
Fixed bearing body
Rotating wheel
National momentum
Fixed object lifting and grab
Rotating rail body
Circular momentum
The overall design of the shaft should comply with QH/T15834.7? 5.10 Electroplating parts technical system
Surface dynamics
-HHKoN KAi
The sum of the two measured values
National follow-up
Surface dynamics
Chrome-plated parts are Class II parts, and the rest are Class III parts. The technical requirements should comply with the provisions of QB/T1217 5.1.1.5.2.1, 5.3.1.5.4.1.
5.11 Surface oxidation treatment technical conditions
The yellowing of copper parts is Class II, and the blackening is Class I. Anti-bottoming: The parts are Class II,
Surface oxidation treatment technical requirements should comply with the provisions of QB/T1219 3: 5.12 Appearance
All parts of the flywheel rear shaft shall not have sharp angles, flash, burrs, cracks. 5.12.1
5.17-2 The trademark mark should be transparent,
6 Test method
6.1 Strength test
6.1. Fix one faceplate and apply force to the other faceplate. No part of the joint should be damaged.
6.1.2 Fix the right faceplate and put the chain on the largest sprocket. Apply tension to the chain in the driving direction. No part of the chain should be damaged within the specified range.
6.2 Hardness test
The strength test of the light parts shall be carried out in accordance with the provisions of 5.3 of BF158. 6.3. Recording activity test
Fix the shaft, rotate the rear shaft of the single-stage flywheel at 60~90r/min, and the rear shaft of the multi-stage flywheel at 90~120:/min. The gear should not get stuck.
6.4 Flexibility test
The flexibility test shall be carried out in accordance with the provisions of Article 5.2 of QB/1888. 6.5 Sprocket and chain tooth matching test
The needle wheel group teeth and chain tooth matching test shall be carried out in accordance with Article 5.7 of QB/T1887. 23-
White.6.6.1 Fast zone jump test
QB/T217795
Fix the shaft, put the rotating shaft, and see the figure for the micro-disk position. The difference between the maximum and minimum values obtained by rotation is the circular runout. 6..2 Sprocket runout test. 6-6.2.1 The end face of the sprocket at the root is fixed on the test piece for measurement, with its center on the side surface near the root of the sprocket, see Figure 4 and Figure 5, respectively: a. The shaft and sprocket are fixed and the shaft is rotated: the difference between the maximum and minimum values obtained by rotation is the end face runout. Figure 6.6, 2-2 The radial direction of the root of the sprocket is fixed on the test stand for measurement. The measuring position is at the maximum tooth part of the wheel diameter. See Figure 6 and Figure 7. 24
QBT2377-95
-HKAoNm K-
, the shaft and the shaft body are fixed. When the sprocket is rotated, the difference between the maximum value and the minimum value measured in four equal parts is the radial circular momentum. b, the shaft and the sprocket are fixed, and the shaft body is installed. The difference between the maximum value and the minimum value measured in one rotation is the radial circular momentum. 6
Combustion efficiency test
Thread accuracy test is carried out in accordance with the provisions of 5.3 of QB/T1583. 6. Wear resistance test
Wear resistance test is carried out in accordance with the provisions of 5.6 of QB/T1883. 6.9 Auxiliary system test
The shaft cup test is carried out in accordance with the provisions of QB/T1883 5.7. 6.10 Electrical parts tightness test
6.10.1 The performance test of electroplated parts shall be carried out in accordance with the provisions of QB/T1217 5.1.2.5.2.2.53.2.5.4.2. 6.10.2 Test location The exposed surface of the test piece (opening, sharp corners), 6.11 The performance test of the surface oxidation treatment parts The performance test of the surface mechanical treatment parts shall be carried out in accordance with the provisions of QB/11219 4.1.4.2.4.3. 6.12 Appearance
Visual inspection.
Inspection rules
.1 Products must be inspected and qualified by the quality inspection department of the manufacturer and accompanied by a certificate of conformity before they can leave the factory. 7.1 Unit product Each set of flywheel rear axle. Www.bzxZ.net
7.3 Factory Inspection The factory inspection plan is carried out using CB2828. 3.1 Sampling plan and secondary sampling plan are described. 7.3.1 The number of defective products per 100 units of products in the batch is counted again. 7.3.1 Inspection items, inspection level (L), non-conforming classification, qualified quality level (AQL) are shown in Table 4.25
Inspection items
Axle body runout
Shoe wheel round runout
Thread precision
Type inspection
This standard records
Control technology requirements
QB/T2177-95
Inspection level
Test force
Type inspection adopts 6B2829 for inspection, 4.1 Single sample plan and bundle sample plan, ()
4.1 Batch quality is calculated based on the number of non-conforming products per 100 batches of guaranteed products. Non-conforming classification
Qualified quality (AQL) QL
7.4.3 Inspection items, discrimination level (DL), unqualified classification, qualified quality level (RQL) sample rate size (n), and judgment array are shown in Table 5.
Hot activity
Sufficient validity
Infeed gear and stack coordination
Axle runout
Wheel vibration
Texture precision
Instantaneous performance
Uniqueness
Electrical value component shear fastness
Surface oxidation treatment component induced leakage
Surface hydrogenation component roughness resistance
One month.
7.44 Inspection cycle
Technical specification number
Technical requirements
5- F 1
Test formula
Not suitable
Marking packaging, remote transportation, storage
8.1 Labeling
8.1.1 Product marking
QB/T2177—95
The product should have the manufacturer's mark, which can also be determined according to the requirements of the purchaser's contract). 8.1.2 Packaging marking
The product packaging box should have the following markings.
.Production name,
b.Product name
e, Trademark name:
d.Product model or mark
+Factory date+
.Quantity,
name "Be careful and teach lightly", "Be afraid of disk",
b, Net weight and gross weight:
1 Box size (length, width × height)
Small standard code, director, name (can also be marked on the product manual), HYYKAoNr KAga
82 Packaging
The flywheel rear axle should be cleaned before packaging, and coated with industrial neutral anti-rust oil. The flywheel rear axle should be packed into a whole material bag, and then packed in paper or wooden boxes according to a certain number. The inside should be padded with anti-turning or soft inflatable plastic. The products should be arranged neatly in the box, and there should be no gaps that can cause movement. The box should be reinforced with packing tape outside. It can also be packed according to supply and demand. 8.3 Transportation
The packaging box with the flywheel rear axle should be light during transportation, and should not be stuck. It should not be packed with natural products and detachable items. It should not be exposed to the sun or rain during transportation. 8.4 Storage
8.41 The box with the flywheel rear axle should be placed in a dry, ventilated and rainproof place. It is not allowed to be placed together with active chemicals or dust-generating materials. The box should be stable and not condensed, and the distance from the ground should be no less than 100mm. 8.42 The product shall not rust within 9 months from the date of leaving the factory under normal transportation and storage conditions. Additional remarks:
This standard was proposed by the China Light Industry Association Quality Standardization Department. This standard was approved by the National Bicycle Standardization Center. This standard was drafted by Dafengji Bicycle Flywheel Factory and Qinzhou Bicycle Axle Factory. The main drafters of this standard are Le Tianlong, Gu Zhengli, Sun Luosong. This standard is equivalent to the Japanese standard JISD9418-19B7 (Bicycle flywheel and shaft-mounted flywheel) 3.J5D9419-1989 bicycle axle.2. 6.10.2 Test location: The exposed surface of the test piece (opening and sharp corners), 6.11 Performance test of the surface treated parts: The performance ... 7.3.1 Inspection items, inspection level (L), non-conforming classification, qualified quality level (AQL) are shown in Table 4.25
Inspection items
Axle body runout
Shoe wheel round runout
Thread precision
Type inspection
This standard records
Control technology requirements
QB/T2177-95
Inspection level
Test force
Type inspection adopts 6B2829 for inspection, 4.1 Single sample plan and bundle sample plan, ()
4.1 Batch quality is calculated based on the number of non-conforming products per 100 batches of guaranteed products. Non-conforming classification
Qualified quality (AQL) QL
7.4.3 Inspection items, discrimination level (DL), unqualified classification, qualified quality level (RQL) sample rate size (n), and judgment array are shown in Table 5.
Hot activity
Sufficient validity
Infeed gear and stack coordination
Axle runout
Wheel vibration
Texture precision
Instantaneous performance
Uniqueness
Electrical value component shear fastness
Surface oxidation treatment component induced leakage
Surface hydrogenation component roughness resistance
One month.
7.44 Inspection cycle
Technical specification number
Technical requirements
5- F 1
Test formula
Not suitable
Marking packaging, remote transportation, storage
8.1 Labeling
8.1.1 Product marking
QB/T2177—95
The product should have the manufacturer's mark, which can also be determined according to the requirements of the purchaser's contract). 8.1.2 Packaging marking
The product packaging box should have the following markings.
.Production name,
b.Product name
e, Trademark name:
d.Product model or mark
+Factory date+
.Quantity,
name "Be careful and teach lightly", "Be afraid of disk",
b, Net weight and gross weight:
1 Box size (length, width × height)
Small standard code, director, name (can also be marked on the product manual), HYYKAoNr KAga
82 Packaging
The flywheel rear axle should be cleaned before packaging, and coated with industrial neutral anti-rust oil. The flywheel rear axle should be packed into a whole material bag, and then packed in paper or wooden boxes according to a certain number. The inside should be padded with anti-turning or soft inflatable plastic. The products should be arranged neatly in the box, and there should be no gaps that can cause movement. The box should be reinforced with packing tape outside. It can also be packed according to supply and demand. 8.3 Transportation
The packaging box with the flywheel rear axle should be light during transportation, and should not be stuck. It should not be packed with natural products and detachable items. It should not be exposed to the sun or rain during transportation. 8.4 Storage
8.41 The box with the flywheel rear axle should be placed in a dry, ventilated and rainproof place. It is not allowed to be placed together with active chemicals or dust-generating materials. The box should be stable and not condensed, and the distance from the ground should be no less than 100mm. 8.42 The product shall not rust within 9 months from the date of leaving the factory under normal transportation and storage conditions. Additional remarks:
This standard was proposed by the China Light Industry Association Quality Standardization Department. This standard was approved by the National Bicycle Standardization Center. This standard was drafted by Dafengji Bicycle Flywheel Factory and Qinzhou Bicycle Axle Factory. The main drafters of this standard are Le Tianlong, Gu Zhengli, Sun Luosong. This standard is equivalent to the Japanese standard JISD9418-19B7 (Bicycle flywheel and shaft-mounted flywheel) 3.J5D9419-1989 bicycle axle.2. 6.10.2 Test location: The exposed surface of the test piece (opening and sharp corners), 6.11 Performance test of the surface treated parts: The performance ... 7.3.1 Inspection items, inspection level (L), non-conforming classification, qualified quality level (AQL) are shown in Table 4.25
Inspection items
Axle body runout
Shoe wheel round runout
Thread precision
Type inspection
This standard records
Control technology requirements
QB/T2177-95
Inspection level
Test force
Type inspection adopts 6B2829 for inspection, 4.1 Single sample plan and bundle sample plan, ()
4.1 Batch quality is calculated based on the number of non-conforming products per 100 batches of guaranteed products. Non-conforming classification
Qualified quality (AQL) QL
7.4.3 Inspection items, discrimination level (DL), unqualified classification, qualified quality level (RQL) sample rate size (n), and judgment array are shown in Table 5.
Hot activity
Sufficient validity
Infeed gear and stack coordination
Axle runout
Wheel vibration
Texture precision
Instantaneous performance
Uniqueness
Electrical value component shear fastness
Surface oxidation treatment component induced leakage
Surface hydrogenation component roughness resistance
One month.
7.44 Inspection cycle
Technical specification number
Technical requirements
5- F 1
Test formula
Not suitable
Marking packaging, remote transportation, storage
8.1 Labeling
8.1.1 Product marking
QB/T2177—95
The product should have the manufacturer's mark, which can also be determined according to the requirements of the purchaser's contract). 8.1.2 Packaging marking
The product packaging box should have the following markings.
.Production name,
b.Product name
e, Trademark name:
d.Product model or mark
+Factory date+
.Quantity,
name "Be careful and teach lightly", "Be afraid of disk",
b, Net weight and gross weight:
1 Box size (length, width × height)
Small standard code, director, name (can also be marked on the product manual), HYYKAoNr KAga
82 Packaging
The flywheel rear axle should be cleaned before packaging, and coated with industrial neutral anti-rust oil. The flywheel rear axle should be packed into a whole material bag, and then packed in paper or wooden boxes according to a certain number. The inside should be padded with anti-turning or soft inflatable plastic. The products should be arranged neatly in the box, and there should be no gaps that can cause movement. The box should be reinforced with packing tape outside. It can also be packed according to supply and demand. 8.3 Transportation
The packaging box with the flywheel rear axle should be light during transportation, and should not be stuck. It should not be packed with natural products and detachable items. It should not be exposed to the sun or rain during transportation. 8.4 Storage
8.41 The box with the flywheel rear axle should be placed in a dry, ventilated and rainproof place. It is not allowed to be placed together with active chemicals or dust-generating materials. The box should be stable and not condensed, and the distance from the ground should be no less than 100mm. 8.42 The product shall not rust within 9 months from the date of leaving the factory under normal transportation and storage conditions. Additional remarks:
This standard was proposed by the China Light Industry Association Quality Standardization Department. This standard was approved by the National Bicycle Standardization Center. This standard was drafted by Dafengji Bicycle Flywheel Factory and Qinzhou Bicycle Axle Factory. The main drafters of this standard are Le Tianlong, Gu Zhengli, Sun Luosong. This standard is equivalent to the Japanese standard JISD9418-19B7 (Bicycle flywheel and shaft-mounted flywheel) 3.J5D9419-1989 bicycle axle.
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