QC/T 259-2011 Performance requirements and test methods of joint between rim and disc
1 Scope
This standard specifies performance requirements and test methods of joint between rim and disc.
This standard is applicable to steel wheels with 5° DC rims.
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2933 Wheels and rims for pneumatic tyres - Vocabulary, designation and marking
3 Terms and definitions
For the purpose of this standard, the terms and definitions established in GB/T 2933 apply.
4 Test samples
The test sample shall be a new wheel, which may not be painted, but shall be subjected to all other processing procedures.
5 Test apparatus
The test apparatus is shown in Figure 1.
Figure 1 Test apparatus of joint between rim and disc
The test apparatus shall meet the following conditions:
a)The gap between the inner side of the disc and the upper die is (2-3) mm;
b)The gap between the outer side of the disc and the lower die is (2-3) mm;
c)The upper die shall fit closely with the disc, and the lower die shall fit closely with the rim;
d)The loading equipment is an ordinary hydraulic press.
6 Test methods
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Test samples
5 Test apparatus
6 Test methods
7 Test load
8 Test judgment
