T/ZZAS 029-2023 Active Group standards

T/ZZAS 029-2023 Motorcycle friction disc dedicated machine tool

Publish Date: 2023-09-01 Implement Date: 2023-09-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZAS 029-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: CNC machine tools

Publish Date: 2023-09-01

Implement Date: 2023-09-10

Scope

Main technical content: 4. General requirements 4.1 When accepting machine tools according to this standard, the remaining acceptance items specified in GB/T 9061—2006, GB/T 25373—2010, and GB/T 25376—2010 that are not specifically addressed in this part shall also be inspected. 4.2 The order of inspection items in this standard does not indicate the actual inspection sequence, and inspections can be conducted according to the machine tool assembly process. 4.3 All linear dimensions, deviations, and corresponding tolerances in this standard are expressed in millimeters (mm); angle dimensions are expressed in degrees (°), and angle deviations and corresponding tolerances are represented as ratios. When necessary, they can be expressed in micro-radians (μrad) or arcseconds (″). The equivalent relationship of the expressions is shown in Equation (1): 0.010/1000 = 10×10-6 = 10μrad ≈ 2(1) 4.4 In this standard, geometric accuracy can be measured using the same indicators and other inspection tools with at least the same accuracy. The indicators should have a resolution of 0.001mm. 4.5 When the actual measured length differs from the length specified in this standard, the tolerance shall be converted according to the provisions of GB/T 17421.1—1998, Section 2.3.1.1, based on the measured length. If the conversion result is less than 0.005mm, it shall still be calculated as 0.005mm.