T/DNCA 002-2019 Active Group standards

T/DNCA 002-2019 R-angle end mill for processing graphite materials

T/DNCA 002-2019

Publish Date: 2019-12-05 Implement Date: 2020-01-05 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/DNCA 002-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Building materials products

ICS Name: Milling cutter

Publish Date: 2019-12-05

Implement Date: 2020-01-05

Scope

Scope: This standard specifies the terminology, requirements, inspection, marking, packaging, storage, and transportation of R-angle end mills (hereinafter referred to as "R-angle end mills") used for processing graphite materials. This standard applies to R-angle end mills for processing graphite materials with a diameter of (1–6 mm); Main technical content: - The shank diameter of R-angle end mills shall comply with the provisions of Table 1, with a tolerance of H5. - The total length tolerance of R-angle end mills shall be ±0.5 mm. - The effective cutting edge length tolerance of R-angle end mills shall be mm. - The tolerance of the cutting edge diameter of R-angle end mills shall comply with the following provisions: - When the cutting edge diameter is (1.0–3.0) mm, the tolerance shall be mm; - When the cutting edge diameter is (3.1–6.0) mm, the tolerance shall be mm. - The radius of the R-angle shall comply with the provisions of Table 1, with a tolerance of ±0.015 mm. - The runout of the cutting edge diameter of R-angle end mills shall comply with the following provisions: - When L≤50 mm, the runout of the cutting edge diameter shall not exceed 0.004 mm; - When 50 mm