This standard replaces GB 4141.11-84. This standard specifies the type, size and technical requirements of handle balls. JB/T 7271.1-1994 Handle balls JB/T7271.1-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T7270~7277—94
Operating Parts
1994-06-18 Issued
Ministry of Machinery Industry of the People's Republic of China
1995-01-01 Implementation
Mechanical Industry Standard of the People's Republic of China
Handle Ball
1 Subject Content and Scope of Application
This standard specifies the type, size and technical requirements of handle balls. 2 Reference Standards
JI/T275
JB/T7276 Operating Parts Marking Method
JB/T7277
3 Type and Size
Technical Requirements for Operating Parts
The type and size of handle balls shall be in accordance with the provisions of Technical Standard 1 and Table 1. Figure 1
Approved by the Ministry of Machinery Industry in June 1904
17T275
M5×17
BM8X16
BM10×2n
EM12×25
1M16×32
EM2C×76
JB/T7271.1-94
Single piece bearing
3, 006
19951101 implementation
4 MarkingbzxZ.net
4.1 Marking method is in accordance with the provisions of JB/T7275, 4.2 Marking indication
/ 7271.1—4
AM105D-32. The mark of the black handle ball is: F ball M10X321B/7271.1B plastic, = M10.SD = 32, the mark of the red handle ball is: handle ball BM10X32 (red) JB/T7271.15 Technical requirements
5. 1 Material: plastic.
5.2 Other technical requirements follow the provisions of TB277, as shown in the following notes:
This standard is proposed and managed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Machinery Standardization Research Institute of the Ministry of Machinery Industry, Shanghai Machine Tool Factory No. 6, and Shanghai Machine Tool Factory. According to the National Equipment Supervision Bureau Technical Supervision Bureau Standard [1 State 2) No. 649 document 3\adjusted to the national standard of the industry standard\This standard replaces GR 4141.1184.
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