QC/T 269-2023 English PDF

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QC/T 269-2023: (Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts)
Status: Valid

QC/T 269: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
QC/T 269-2023	249	Add to Cart	3 days	(Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts)	Valid
QC/T 269-1999	245	Add to Cart	Auto, < 3 mins	Limit deviation of dimensions of automobile parts without tolerance indicated	Obsolete

Similar standards

QC/T 268   QC/T 5   QC/T 262   QC/T 267   QC/T 265   

Basic data

Standard ID: QC/T 269-2023 (QC/T269-2023)
Description (Translated English): (Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts)
Sector / Industry: Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard: T04
Classification of International Standard: 43.040
Word Count Estimation: 12,141
Date of Issue: 2023-04-21
Date of Implementation: 2023-11-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the limit deviation of the dimensional elements formed by casting processing in the drawings of automotive product parts without tolerances noted. This standard applies to the limit deviations of unindicated tolerance dimensions of automotive product parts drawings for sand casting, metal mold casting, low-pressure casting, gravity casting, investment casting, and high-pressure casting.

QC/T 269-1999 AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Replacing ZB T04 006.4-89 Limit deviation of dimensions of automobile parts without tolerance indicated APPROVED ON: MARCH 15, 1999 IMPLEMENTED ON: MARCH 15, 1999 Issued by: State Administration of Machinery Industry

Table of Contents

1 Subject content and scope of application ... 3  2 Normative references ... 3  3 Terminology ... 3  4 Limit deviation of casting dimensions without tolerance indicated ... 3  Additional information ... 6  Limit deviation of dimensions of automobile parts without tolerance indicated 1 Subject content and scope of application This standard specifies the limit deviation of dimensions without tolerances indicated, for dimension elements, which are formed by casting in automotive product parts drawings. This standard is applicable to the limit deviation of dimensions without tolerances indicated, for automotive product parts drawings of sand casting, metal casting, low- pressure casting, investment casting, pressure casting.

Normative References

GB/T 6414 Dimensional tolerances for castings 3 Terminology The maximum outline size of the casting (referred to as the maximum size): It refers to the maximum size of the geometry of the included part. 4 Limit deviation of casting dimensions without tolerance indicated 4.1 The limit deviation of sand casting dimensions, without tolerance indicated, shall be as specified in Table 1. 4.2 The limit deviation of dimensions of metal mold and low-pressure casting, without tolerance indicated, shall be as specified in Table 2. 4.3 The limit deviation of dimensions of investment casting, without tolerance indicated, shall be as specified in Table 3. 4.4 The limit deviation of die casting dimensions, without tolerance indicated, is as specified in Table 4. 4.5 The mis-box value, which is not indicated on the drawing, must be within the dimensional tolerance of the casting. ......

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