JB/T 10158-1999 This standard specifies the technical requirements for pulley hobs and belt die hobs, and the basic requirements for marking and packaging. This standard is applicable to pulley hobs for processing pulleys with a pitch of 5.080~31.750mm and a basic tooth profile in accordance with GB/T 11361-1989 "Pulleys for Synchronous Belt Drives" and belt die hobs for processing synchronous belts in accordance with GB/T 11616-1989 "Synchronous Belt Dimensions". This standard is published for the first time. JB/T 10158-1999 Technical requirements for pulleys and belt die hobs JB/T10158-1999 Standard download decompression password: www.bzxz.net

ICS 25.100
Machinery Industry Standard of the People's Republic of ChinawwW.bzxz.Net
JB/E10158--1999
Pulleys and Belt Die Hobs
1999-10-08 Issued
Technical Conditions
2000-03-01 Implementation
State Bureau of Machinery Industry
J/T10158-1999
This standard was proposed by the National Technical Committee for Standardization. This standard is owned by Chengdu Tool Research Institute. The chapters of this standard are: Harbin No. 1 Tool Factory, Shanghai No. 1 Tool Factory, Hanjiang No. 1 Tool Factory, Taiyuan No. 1 Tool Factory, Shaoguan No. 1 Tool Factory, Guiyang No. 1 Tool Factory. The main drafters of this standard are: Xiao Leiwu, Qi Xiukun, Liu De'an. This standard was first issued in October 1999.
Mechanical Industry Standard of the People's Republic of China
Technical Conditions for Pulleys and Belt Die Cutters
This standard specifies the technical requirements, marking and basic requirements for packaging of pulley cutters and belt die cutters. JB/T 10158-[999
This standard is applicable to pulley hobs for pulleys with a pitch of 5.080-31750mm and a tooth connection of GB/T11361, and belt die hobs for synchronous belts with GB[166. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When the standard is published, the versions shown are valid. All standards will be revised. All parties using this standard should explore the possibility of using the latest version of the following standards. GD-T 99431988
G1136:1989
GE11616—1989
3 Technical requirements
Technical specifications for high-speed tooling
Synchronous belt drive pulley
Synchronous belt size
The cutter surface shall not have cracks, burns or other defects that affect performance. 3. 1
The upper limit of the rolling surface is in accordance with the provisions of Table 1, the surface of the inner hole is in accordance with the inspection table
The surface of the shaft
The outer surface of the shaft table
The tooth back
The tooth back
The surface of the torsion of the table
3.3 The limit deviation of the outer diameter of the cutter is h15, the maximum normal deviation of the total length is 915, and the main types of the bag cutter are in accordance with the provisions of Table 2. The National Machinery Industry Bureau approved the value of the degree of coarse powder removal on October 8, 1999. It was implemented on March 0, 2000. |tt||Inspection items
Aperture limit deviation
Radial displacement of the bearing block to the inner hole
Amplification of the bearing block to the inner hole
Light circular displacement of the tooth to the inner hole load
Diameter of the front of the incisor
Inhibition of the lubrication groove
Maximum coefficient error of the installation condition
Parallelism of the front of the tooth to the inner support line
Tree shape
Tooth thickness limit deviation
Individual estimated limit deviation
Definition limit
JB/T 10158-1999
Public code
Maximum deviation of the pitch within any pitch length
Tooth plate angle radius deviation
Note: Items 14 and 15 are only applicable to type 1 pulley hob 8
5.080, 9.525
22.225.31.750
1,044
3.5 The insert is made of W6Ma5 core r4V2 or other high-speed steel with equivalent performance, and its metallographic structure is in accordance with the provisions of GB 9943. The unevenness of the carbide of the tool: for hobs with a diameter of less than 100 mm, it shall not exceed 4 levels, and for hobs with a diameter of more than 100 mm, it shall not exceed 5 levels.
3.6 The hardness of the cutting part of the cutter is 63-66HRC4 Marking and Packaging
4.1 Marking
4.1. The end face of the hob should be marked with: manufacturer's trademark, type, pitch, pulley model or belt type, swivel angle, processing number, material (ordinary high-speed steel is not marked) and manufacturing year. 4.1.2 The packaging tray should be marked with: production station name, standard number, manufacturer name, address, trademark, type, pitch, pulley model or belt model, processing tooth number range, material, number of pieces and manufacturing year. 4.2 Packaging
The hob should be rust-proofed before packaging, and the packaging must be firm to prevent damage during transportation. 2
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