Some standard content:
Classification number: Y28
Light Industry Standard of the People's Republic of China
QB/T3634—1999
Replaces 7.B/TY28002—1985
Phenolic tape bearing
Published on 1999-04-21
Published by the State Bureau of Light Industry
1999-04-21 Implementation
QB/T3634-1999
This standard was originally the professional standard 2B/1Y28002-1985 "Paper Bearing", which was issued in accordance with the standard number Q3634-1999 (No. 12, 1991). This standard was proposed by the Industry Management Department of the State Administration of Industry. This standard is the responsibility of the National Development and Reform Commission and the Benxi Rail Tile Factory in Liaoning Province. The main authors of this standard are Li Tongmin and Xin Gongxiao. This standard will replace the light industry professional standard ZB/TY2802-1985 "Paper Bearing" issued by the former Ministry of Light Industry.
TTKAN KAa-
People's Republic of China Light Industry Standard
Phenolic tape bearing
QB/T3634-1399
Replaced ZB/TY280021985
Standard with static floating resin adhesive, cotton cloth as base material, through the flow can be positive or negative mold stopper (must be called bearing
1 Types and uses
1. Phenolic double cloth bearings are mainly divided into Kun, shaft change, slide, railing, gear, etc., raw water cooling and water travel design, in addition to steel, Jianghuan, chemical, textile, import, automobile, manufacturing, mining and other industries,? Product specifications
The size of the bearing , including the use of single-piece drawing requirements to be negotiated and determined. Technical requirements
2.1 Appearance
The finished product can be completed before production: flat, no delamination, no defects, no falling materials, no impurities, no industrial sub-accumulation of glue: other prisons shall not exceed the installation [regulations, table:
thick bubble, fire bubble
approved by the National Light Industry Bureau on April 21, 1999
Nominal F
(point diameter: mm
30·-120
30--180
181--630
:81--630
:81--630
53: --1000
631--1000
S01 --00D
1 001 --2000
1n ~24:
2F ·-5G
30 -- 20
21 -- 50
51 -- 10u
1G --20
21 --50
51 --- [DO
Steam bubble and flag
Tolerance device
High difference m/m
Public relations say the range
can be small, not
people in a fixed position.
19S9-C4-21 implementation
Table and accumulation of glue
Edge, agent, Lai
QB/T3634-1999
Table (thread)
Public consultation suitable accumulation
SOF-~1KO
100~00
My size
3 pairs--180
181-- 630
JRE --630
631--10G0
$31-1000
Public money meter
31 --1kn
18163(1
631.~1003
nominal size
some mm
30--180
181--630
631 -1000 | | tt | 000
100-2030
50 -- 1 030
1 001 -- 2 020
50 -- 1 000
1(01-2000
ANALYSIS
51 ~-50h
1 2 II
Sn -- 5iF
StII ~~ 1 1firI
IH1 -- 2 (HHI
2 2 L
Regulation
Lack of material
Specification size
(vertical) m/wwW.bzxz.Net
261--360
361509
501~·630
631~-800
TTKAONKAa
Thickness integral 0/m
Tolerance of smoke curvature m/m
Border city pregnant Han material length school
QB/T3B341999
Table 1 (continued)
Nominal diameter)
3n ~ 50
51 ~ h
Note 1: The tolerances in Table 1 can be less than the specified tolerances but not greater than the specified tolerances. 2: The tolerances in the table 1 are changed according to the specified tolerances. 3: The support tolerance is the positive deviation, 4: The seat tolerance is the negative deviation. Note 5: The normal value of the length of the bearing is not the same as the thickness. 3.2 The bearing parts are allowed to be machined and repaired, and the surface must be smooth. 3.3 The outer shape of the bearing finished parts, except for the length, shaft, and hole, is = 1.0mm, the thickness, auxiliary, and hole are all shown in Table 1.34. The roughness of the finished parts shall not be too small. The mechanical properties of the cavity track bearing material should temporarily meet the requirements of Table 2 3.5
Table 2 Physical and mechanical properties of Mengxie rubber bearing
Ice absorption=
Agent properties (?
Shi Yue degree
Yushe Qiangfa
Hui Jili
Test riding method
4.1 Sample
kg/mm2
E. 35 --1.45
Sample production, the sample mold is the standard sample, the sample pressure is strictly carried out according to the production process regulations, 4.2 GB1G41-1979 plastic compression test method stipulates that the standard sample is pressed, the sample size is (20+0.2) mm x width (200.2) mm × height (15 ± 0.2) mm, not less than 5 per year, and the group is released. 4.3 According to GB1035:1970 plastic thermal and thermal properties test method 3, the pressure belt standard is relatively: sample size, length (120 ± 1) mm × width 15 ± .2/m × height (10 ± 0.2) mm, no less than 3 per red, take two materials 4.4 According to GB143-1979 material simply supported beam impact test method, the standard sample is pressed, the sample, length 201) mm × width (15 ± 0.2) mm um×quotient (10±0.2) mm, each can be no less than 5, group. 4.5 According to HG2-[6-1965 Plastic Brinell Hardness Determination Method 3, use standard test bar, the sample size is length (25±0.2mmX width> (15±0.2) mm×height 24mm ugly, each can be no less than 5, two-dimensional. 4.6 According to GB1033-197D Plastics Ratio Test Method "standard, then make standard specimens. The sample size can be used for plastics. , pipes, structures, etc. 1g~~30, annual load is no less than 3, take two groups, 4.7 According to GB1034-1970 Plastics Specification Water Test Method, make standard specimens, specimen size, length (201) m1n×width (15±0.2) m×height (10±0.2) mm, sample group is not less than 3, take two groups. 3
Q/T 3634—1999
4.B Standard samples are divided into two groups with batch numbers, one for physical and mechanical properties testing, and the other for reference. 4.9 Determination of specific gravity
According to GB1033-1970 Test method for specific gravity of plastics 2: 4.10 Determination of water resistance
According to GB1031-1970 Test method for water absorption of plastics. 4.11 Determination of heat resistance (Martin)
According to GD1035-1970 Test method for heat resistance (Martin) of plastics. 4.12 Brinell hardness determination
According to the provisions of HG2-168-1965 Plastic Brinell hardness determination method, 4.13 Impact strength determination
According to the provisions of GB1043-1979 Plastic simply supported beam impact test method. 4.14 Compression strength determination
According to GB1041-1979 Material compression strength test method. 4.15 Test results
Expressed as a single sample, the word processing refers to the provisions of GB1404-1972 Section 22. 4.16 Appearance of the tape: Take the monthly measurement method under normal light. 4.17 The size of the tape is controlled by the general standard. 5 Inspection rules
5.1 The products produced by the same process are batches. The factory inspection department will check the specifications and dimensions of the drawings one by one. The qualified products will be inspected and printed with the certificate before they can be shipped out of the factory for inspection and storage. 5.2 The mechanical performance test is carried out in principle once per batch or once a month. If the fiber (raw material) quality fluctuates, the number of tests should be increased.
5.3 The physical performance test of the tape bearing is a guarantee for the manufacturer and no factory inspection is performed. When leaving the factory, only the external quality inspection is performed. The manufacturer must certify that all products leaving the factory meet the requirements of this standard. 5.4 When the user raises an objection to the product quality, the user shall collect samples according to the batch number and take 1 to 2 samples from the batch number for testing. If the manufacturer does not have the batch number, the sample can be used for testing. If there is still a quality objection, the batch of products shall be treated as unqualified. The two parties shall negotiate and resolve the issue. 6 Marking, packaging, transportation, storage
.1 The bearing must be marked with the manufacturer's name, trademark, and product certificate. The product certificate includes: product name:
b) product model, batch number, quantity (kg) mark: full name of the manufacturer, full place of shipment and arrival:
product production date, shift;
product quality compliance certificate and standard code: e.
) inspector code.
6.2 Packaging - Generally, woven baskets, coconut baskets, bamboo baskets, boxes, refrigerators, etc. are used. Individual bearings can be solved by the upstream manufacturer and the user. 20kg~50kg weight is appropriate. 4 Special handling of the weight of a single piece of bearing products. 6.3 During transportation, it should be protected from mechanical magnetic collision, sun exposure, rain, and moisture. 6 Car storage tape The bearing should be stored in a dry, ventilated, and clean warehouse, and the production floor should be at a certain height. It must not be in contact with high surfaces to avoid decomposition and deterioration.
6.5 The storage period should not exceed one and a half years from the date of production under the required conditions specified in 6.4. TKNTKa
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