T/NHMJ 1-2019 Active Group standards

T/NHMJ 1-2019 Auto exterior parts injection mold technology guideline

Publish Date: 2019-08-20 Implement Date: 2019-08-25 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/NHMJ 1-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: A car

ICS Name: Molding equipment and casting equipment

Publish Date: 2019-08-20

Implement Date: 2019-08-25

Scope

Scope: This standard specifies the terms and definitions, requirements, design specifications, manufacturing specifications, test methods, inspection rules, as well as marking, packaging, transportation, and storage for plastic injection molds for automotive exterior parts. This standard applies to relevant enterprises within the Foshan Nanhai Mold Association that produce injection molds for automotive exterior parts. Main technical contents: 1. General requirements: Proposes design content for the outer surface of the mold, mold frame, connection head, and protection of pipelines and wiring. 2. Part requirements: Proposes requirements for the appearance, dimensions, and material properties of parts. 3. Dimensional tolerances: Specifies the limit deviation values for various molding parts. 4. Demolding slope: Specifies the demolding slope for different plastics. 5. Assembly requirements: Proposes requirements for the fixed mold base, movable mold base, mold clamping position, and closing accuracy of the mold. 6. Mold quality stability: Proposes relevant testing methods and pass/fail criteria for the mold. 7. Cooling system, pneumatic system, or hydraulic system: Proposes requirements for the cooling system, pneumatic system, and hydraulic system. 8. Circuit design and protection: Includes design requirements, fit tolerances, and other design requirements. 9. Testing methods: Proposes various testing methods and testing data requirements.