JB/T 58651.12-1999 Fastener product quality classification Retaining ring JB/T58651.12-1999 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JE/T 58651.1~58651.14-1999
JB/T58652-1999
Quality Grading of Fastener Products
(For Internal Use)
Published on 1999-12-30
National Bureau of Machinery Industry
Implementation on 2000-06-01
Machinery Industry Standard of the People's Republic of China
Quality Grading of Fastener Products
(For Internal Use)
JB/T586S1.12-1909
Substituted for JB/T58651.12.43
This standard stipulates the original measurement and method for re-grading the mesh products produced according to national standards and industry standards. It can also be used as a reference when the quality of the products produced according to other standards is graded. The standard adopts the first-level grade, namely superior products, first-class products, and food-quality products. This standard is applicable to the single specification products that have not been accepted by GBT. The size code used in the standard is consistent with the current standard. The referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When the water standard is published, the versions shown are valid. All standards will be adjusted, and the parties using this standard should explore the possibility of using the latest version of the following standards. GB door 90—1985
GB.7 959.1—1586
GB959.2—1986
GBT959.31986
GB/T 11S4 .1996
GR.T1214.2—196
GA/T1216—1985
GBT1319198#
GD:T 3934--1983
JB/T 586S[.I---1999
3 Nouns, terms and calculation formulas
Acceptance inspection, marking and packaging of fasteners
Technical requirements for retaining rings for fasteners
Technical requirements for retaining rings
Technical requirements for retaining rings for cut fasteners
Methods for calculating shape and position tolerances Tolerance values
Standards and calipers
Outside micrometers
Vertical indicator
General drop gaugebZxz.net
General principles for grading fastener products
The definitions of defect grades, defect weighting values ​​and unit defect marks and the calculation formula for unit defect marks shall be as specified in JB 58651.1. 4 Inspection items, sampling plan, defect grade and weighted value The inspection items, sampling plan, defect grade and weighted value of retaining ring products shall be determined according to Table 2. 5 Grading standards
The quality grading standards of retaining net products shall be determined according to Table 2. 6 Inspection methods
Inspection methods of retaining net products shall be determined according to Table 3: Approved by the State Machinery Industry Bureau on December 30, 1999 46
June 0, 2000! Implementation
use outer diameter
say record product
and outer diameter
[month/T5865L121999
spider thread exhaustion (groove screw is relatively large diameter and large diameter quick stop gauge (single diameter of inner medium effect:) inner thread small diameter
surface age sink
dangerous two lines
seam scratching mutual
quality certificate
including qualified product
superior product
unit missing transfer belt
0.133 F0.335
state gear reduction outer diameter D
open outside the whole
degree!
wisdom!
. 1x.4
Wear through the warm: plastic shoot agent
Middle diameter and too large diameter!
Give! Regulation: This is the inner fear.
Middle diameter!
Inner butterfly press record
Big forbidden
Oil through the level you
Just check
[A/T 58651.12-1999
Special plug gauge
Digital indicator
Painting chrysanthemum bee liquid running gauge
North phase explosion density gauge
Light density gauge
"Million meter benefit inspection danger white
Standard policy, specification
B/) 1214.2
GR/1214.2
GB/T 121+2
GOT 1214.2
GB.T1214.2
/F12147
BT 3934
G/1 3934
GBT121S
control monitoring party reached
daily measurement of wind measurement
use point plan to plan the actual) measurement product
see F dynamic whole place payment person, can Fang Li Di send
chuanyou evil rules flow people snail, eliminate small"
more than two bees plan; the hall retreat request rule is the plan year! Employers,
can stop
my own scope of work should not be in 0351
according to (;13/7949 ​​1-959.3 product regulations
my 011184--1996B release regulations
6 certificates are even
according to 0R/ G59 1-934.1:L
according to H/1944-9593 regulations
report GB/959.1-959.3 regulations
according to G/959.1-959.3 regulations
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