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GB/T 42124.1-2022Geometrical product specifications (GPS) - Dimensional and geometrical tolerances for moulded parts - Part 1: Vocabulary (English PDF)

产品几何技术规范（GPS）模制件的尺寸和几何公差第1部分：词汇

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

October 12, 2022

Scope

GB/T 42124.1-2022 is the English-translated version of 产品几何技术规范（GPS）模制件的尺寸和几何公差第1部分：词汇.

GB/T 42124.1-2022 is the Chinese standard "Geometrical product specifications (GPS) - Dimensional and geometrical tolerances for moulded parts - Part 1: Vocabulary".

Its scope clause reads: This document defines the dimensions and geometric tolerances used to describe elements, shapes, and Glossary of terms and tolerance types and their definitions.

This document is applicable to product geometric specifications for molded parts. Its clauses include terms and definitions related to molded parts.

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Document preview — GB/T 42124.1-2022

National Standard of the People's Republic of China

ICS: 01.040.17; 17.040.10
Classification: J 04

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions related to molded parts
4 Terms and definitions related to manufacturing equipment
5 Terms and definitions related to the manufacturing process
6 Terms and definitions related to misalignment
7 Terms and definitions related to surface blemishes
8 Terms and definitions related to trimming
Appendix A (Informative) Relationship with GPS Matrix Model

1 Scope

This document defines the dimensions and geometric tolerances used to describe elements, shapes, and

Glossary of terms and tolerance types and their definitions.

This document is applicable to product geometric specifications for molded parts.

2 Normative references

This document has no normative references.

3 Terms and definitions related to molded parts

3.1 molded parts moldedpart

any workpiece produced using a mold (4.2).

Note. The workpieces produced by using molds include but are not limited to the following types.

--- casting (3.2);

--- Die forgings (3.4);

--- Injection molded parts (3.3);

--- Powder metallurgy parts (3.5);

--- Glass moldings (3.6);

--- Rubber moldings (3.7).

3.1.1 Rough molded parts rawmouldedpart

Molded part without any subsequent processing after exiting the mold (4.2).

3.1.2 final molded part finalmouldedpart

(if required) molded parts after completion of the removal (8.1.1) operation.

3.1.3

Finalize all machined, ready-to-use moldings.

3.2 casting

A collective term for finished or near-finished workpieces formed by solidification of metals or alloys in molds (4.2).

3.3 Injection molded parts

workpiece formed by heating or melting a thermoplastic material and pressing it into a reusable mold (4.3)

GB/T 42869 | GB/T 41350 | GB/T 41655 | GB/T 34361 | GB/T 18258 | GB/T 42124.3 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 39 pages — is available in the English PDF.

Referenced standards

Cited by

GB/T 42124.3-2025Geometrical product specifications (GPS) - Dimensional and geometrical tolerances for moulded parts - Part 3: General dimensional and geometrical tolerances and machining allowances for castings

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