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    ASTM D8279-24

    Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine
    • 발행일 : 2024-05-01
    • 발행기관 : ASTM
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상세정보

분야 05.05 : 연소특성, 제조탄소와 흑연제품
적용범위

1.1?Undesirable timing-chain wear has been observed with gasoline, turbocharged, direct-injection (GTDI) engines in field service, and data from correlating laboratory engine tests have shown that chain wear can be affected by appropriately formulated engine lubricating. A laboratory engine test has been developed to provide a means for screening lubricating oils for that specific purpose. The laboratory engine test is 216?h in length, conducted under varying conditions, and the increase in timing-chain length determined at the end of test is the primary result. This test method is commonly known as the Sequence X, Chain Wear (CW) Test.

1.2?The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.2.1?Exception?Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or specified single source equipment.

1.3?Table of Contents:?

?

Section

Scope

1

Referenced Documents

2

Terminology

3

Summary of Test Method

4

Significance and Use

5

Apparatus

6

?Test Engine

6.1

Reagents and Materials

7

Preparation of Apparatus

8

?Timing-chain Preparation, Installation, and Measurement

8.20

?Test Stand Installation

8.21

?Electronic Throttle Controller

8.21.17

?Temperature Measurement

8.23

?Pressure Measurement

8.24

?Flowrate Measurement

8.25

?Blowby Flowrate

8.26

Stand Calibration

9

Test Procedure

10

?Pre-Test Procedure and Engine Break-In

10.1

?Engine Start-up Procedures

10.2

?Test Sequence

10.3

?Engine Shutdown Procedures

10.4

?Blowby Flowrate Measurement

10.5

?Parameter Logging

10.6

?Oil Consumption Calculation

10.7

?General Maintenance

10.8

?Special Maintenance Procedures

10.9

?Blowby Flowrate Adjustment

10.10

Diagnostic Data Review

11

Test Results

12

Report

13

Precision and Bias

14

Keywords

15

ANNEXES

?

ASTM TMC Organization

Annex A1

ASTM TMC: Calibration Procedures

Annex A2

ASTM TMC: Maintenance Activities

Annex A3

ASTM TMC: Related Information

Annex A4

Engine and Stand Parts

Annex A5

Safety Precautions

Annex A6

Engine Rebuild Templates

Annex A7

Engine Build Records

Annex A8

Cylinder Head Build

A8.1

Cylinder Bore Measurement

A8.2

Bearing Journal Measurements

A8.3

Engine Part Photographs, Schematics and Figures

Annex A9

Control and Data Acquisition Requirements

Annex A10

Dipstick Oil Level to Charge Conversions

Annex A11

Sequence X Report Forms and Data Acquisition

Annex A12

APPENDIXES

?

Sources of Materials and Information

Appendix X1

Suggested Designs for Engine Fixing Brackets

Appendix X2

1.4?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
국제분류(ICS)코드 43.040.01 : 도로 수송 시스템 일반
페이지수 64
Edition 24

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D8279-24상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2024-05-01 표준
2 ASTM D8279-24 REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2024-05-01 표준
3 ASTM D8279-23a상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2023-10-01 구판
4 ASTM D8279-23a REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2023-10-01 구판
5 ASTM D8279-23상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2023-07-01 구판
6 ASTM D8279-23 REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2023-07-01 구판
7 ASTM D8279-22a상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2022-09-01 구판
8 ASTM D8279-22a REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2022-09-01 구판
9 ASTM D8279-22상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2022-07-01 구판
10 ASTM D8279-21상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2021-01-01 구판
11 ASTM D8279-21 REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2021-01-01 구판
12 ASTM D8279-21e1상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2021-01-01 구판
13 ASTM D8279-20a상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2020-06-01 구판
14 ASTM D8279-20a REDLINE상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2020-06-01 구판
15 ASTM D8279-20상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2020-05-01 구판
16 ASTM D8279-19상세보기 Standard Test Method for Determination of Timing-Chain Wear in a Turbocharged, Direct-Injection, Spark-Ignition, Four-Cylinder Engine 2019-07-01 구판

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