T/NHMJ 4-2019 Active Group standards

T/NHMJ 4-2019 Plastic Injection Mould Design and Manufacturing Guide

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 4-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Mold

ICS Name: Molding equipment and casting equipment

Publish Date: 2019-08-20

Implement Date: 2019-08-25

Scope

Scope: This standard specifies the design basis, design procedures, and manufacturing requirements for plastic injection molds. This standard applies to the design and manufacture of plastic injection molds. Main technical contents: 1. General requirements: It proposes design content for the outer surface of the mold, the mold frame, the connecting head, and the connection and protection of the piping lines. 2. Part requirements: It proposes requirements for the appearance, dimensions, and material properties of parts. 3. Dimensional tolerances: It specifies the limit deviation values of various molding parts. 4. Ejection slope: It specifies the ejection slope for different plastics. 5. Assembly requirements: It proposes requirements for the fixed mold base, movable mold base, mold clamping position, and closing accuracy of the mold. 6. Mold quality stability: It proposes relevant testing methods and pass/fail criteria for the mold. 7. Cooling system, pneumatic system, or hydraulic system: It proposes requirements for the cooling system, pneumatic system, and hydraulic system. 8. Circuit design and protection 9. Mold design specifications: It includes design requirements, fit tolerances, and other design requirements.