JB/T 10310-2001 This standard is not equivalent to JIS Z250-1989 "Sintered materials for mechanical structural parts". This standard specifies the technical conditions, test methods, inspection rules, marking, packaging, transportation and storage requirements for powder metallurgy driven gears for motorcycle clutches. This standard is applicable to the manufacture of powder metallurgy driven gears for motorcycle clutches. This standard is published for the first time. JB/T 10310-2001 Technical conditions for powder metallurgy driven gears for motorcycle clutches JB/T10310-2001 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T10310-2001
Specification for powder metallurgy secondary gears used in the motorbike clutch
2001-12-29 Issued
China Machinery Industry Federation
2002-06-01 Implementation
JRT10310-—2001
This standard is not equivalent to the Japanese JIS22550—1989 Material Specifications for Mechanical Structural Parts. This standard is proposed and managed by the Powder Metallurgy Innovation and Standardization Committee of the Machinery Industry. The originator of this standard: Powder Metallurgy Plant of Shanghai Hezhong Auto Parts Company. The main drafters of this standard: Jiang Koumin, Ren Zhiliao, Zhang Zimei. This standard is published for the first time.
1 Scope
Machinery Industry Standard of the People's Republic of China
Technical Conditions for Powder Metallurgy Secondary Gear used in Motorcycle Clutch
Specification for Powder Metallurgy Secondary Gear used in the Motorbike Clutch
JB/E JD310-2001
This standard specifies the technical conditions, test methods, inspection rules, marking, packaging, efficiency and storage requirements for powder metallurgy secondary gear used in motorcycle clutch.
This standard is applicable to the manufacture of powder metallurgy secondary gear used in motorcycle clutch (hereinafter referred to as driven gear). 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. The versions shown in the publication of the Standard are effective. All standards are subject to revision. Parties using this standard should explore the possibility of using the following subtitles to track the latest editions: GB/T 223.7—1981wwW.bzxz.Net
GR/T 223.19—1989
GZ/T 223.25—1994
GB/T 223.691997
GB-T 1958---1980
GB:T 3163—1983
GB/T5318—9BS
GBT 7963—1987
(8/ 7564--1987
GH/F9096-1988
GB7 9097.1—1988
GB/10095—1988
GB/ 12767—1991
JR/T 7905--1999
JB/T7907-1999
3 Technical Specifications
Determination of content of iron and iron
Methods for chemical analysis of steel and alloys Determination of content of steel by spectrophotometry Methods for chemical analysis of steel and alloys Determination of content of silver by chromatographic method Chemical analysis of steel and alloys by plate method Determination of content of steel by gas volumetric method after combustion in a tube furnace Shape and position inspection tolerance inspection regulations
Paintability Sintered metal materials--Determination of degree Sintered metal materials (excluding cemented carbide) Non-cut impact test specimen Sintered metal materials (excluding cemented carbide) Bell test Sintered metal materials (excluding cemented carbide) Burnt metal materials (excluding cemented carbide) Burnt metal materials (excluding cemented carbide) Materials with basically uniform cross-section
Gear accuracy test by disconnection line
Room temperature batch reduction test
Impact test force method
Determination of performance accuracy Part I:
Surface mechanical properties of powder metallurgy products
Numerical values ​​of fired metal materials (including cemented carbide in this grade)
Technical conditions for inner wheel of powder metallurgy oil pump
3.1 The driven gear shall be manufactured according to the product drawings and technical specifications approved by the prescribed procedures. 1.2 The chemical composition and mechanical properties of the driven gear shall comply with the provisions of the table: China Machinery Industry Federation 2001-12-29 batch pool 2002-06-01 implementation
The chemical composition
JB/10310-2001
Cellular density
Grease 5. Density of other parts within ±0.22/cm. [Tooth ratio is 7 ± 0.1g,
3.3 The heat resistance, tensile strength and impact strength of the driven gear material shall comply with the requirements of Table 2. Table 2
Compressive strength
3.4: Physical properties of the tooth part of the driven gear
3.4.1 The F, F, F, F, F, and F are not within the 8-level scale specified in GBT10095. 3.4.1 The average length and span of the common line shall comply with the requirements of GB10095. 3.5 The appearance of the driven gear shall be smooth and free of defects such as scale, cracks, porosity, inclusions, rust, burrs and defects. 4 Test method
4. Chemical or analytical
4.1.1 The iron content shall be determined in accordance with the requirements of GB223.7. 4.12 Carbon content is measured according to GB/T223.2. 4.1.3 Pin content is measured according to GB/T223.19. 4.1.4 Wire content is measured according to GB/T223.25. 4.2 Density is measured according to GB/T163. 4.3 Hardness is measured according to GB/9097.1. Tensile strength is measured according to GB/T7963, tensile specimens are made; measured according to GB/T7964, impact toughness is measured according to GH/5318; measured according to G/T9096: 4.5 Elongation is measured according to GB/T7963, specimens are made; measured according to G/T7964: 4.6 Root toughness is measured according to 4.2 of 7907-1999. 4.7
4.8 Surface quality
4.8.1 Daily test of external gauge.
4.8.2 Surface thickness shall be measured in accordance with the provisions of GB/T12767, or by the method agreed upon by the supplier and the buyer. 4.9 Hole diameter and thickness shall be measured according to the sample size using a general product or a special mother gauge. 4.10 The runout of the plane to the center hole shall be measured by a vernier caliper or gauge. The runout of the plane to the center hole shall be measured according to the provisions of B/T1958-1V80 (13) 1-1. JB/T10310-2001 4.12 Parallelism shall be measured according to the provisions of B158-198 7 Parallelism error detection 1-［. 4.13 Gear accuracy 4.13.1 The gear diameter F is located at the center of the hole. The driven gear is placed on the gear diameter instrument and measured according to the provisions. 4.13.2 The average length-to-width ratio of the normal line and the normal line length variation of the gear F shall be measured with a normal line sub-meter. 4.13.3 The tooth profile error shall not be measured by the involute gear profile gun. 4.13.4 The gear section area F and the circumference of the gear section are measured by the gear comprehensive measuring device. 4.13.5 The gear direction error F is measured by the gear comprehensive measuring instrument. 4.13.6 The diameter comprehensive error F is measured by the gear surface meshing instrument. 4.14 The angle and position of each hole on the gear are measured according to the size of the drawing by a universal 1-phase micro-pin. 5. The dynamic gear must be inspected and qualified by the quality inspection department and can be shipped after obtaining the qualification certificate. 5.2 Shipment inspection
Shipment! The inspection items are:
a This standard 3.1, 3.2, 3.5, 4.7, 4.12, 4.13h) thickness, aperture
5.3 Type test
5.3.1 Type test conditions
When one of the following conditions occurs, a type test must be carried out: a) When the type is finalized;
b) When the design, process and material of the power wheel have major changes that affect the performance of the power wheel; c: When the production interval is more than two years and the production is resumed; ) When the quality supervision agency of the grade has issued a requirement:. ) Not less than once every two years.
5.3.2 The content of type inspection is all items in case 3, 5.4 The ordering unit shall take samples according to the BT7905 regulations for product quality inspection, and the AQL value shall be agreed upon by the supply and demand parties. 6. Marking, packaging: transportation, storage
6.1 The product should have the special mark of the packager.
6.2 The product packaging should be disinfected and rust-proofed, and waterproof low-profile packaging or other packaging methods should be used according to the requirements of the door. Each packaging box should contain the product certificate inspected and signed by the manufacturer: 6.3 The packaging tray should indicate:
) Manufacturer name, trademark and address:
b) Product name, model, specification, quantity and standard number:
6.4 The product should be placed in a ventilated and dry warehouse. Under normal circumstances, if it rusts within eight months after leaving the factory, the manufacturer should be responsible for replacing it.
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