Document Details |
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| Name of Department/Committee : | PCD 01 |
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| Document Number : | PCD 01 ( 25637) |
| Document Title [English] : | LUBRICANTS - METHODS OF TESTS DETERMINATION OF WEAR PREVENTIVE CHARACTERISTICS - FOUR-BALL METHOD |
| Document Title [Hindi] : | स्नेहक – परीक्षण विधियाँ घिसाव रोकने वाले गुणों का निर्धारण – फोर-बॉल विधि |
| Document Type : | New |
| Language : | English |
| Priority : | 3 |
| ICS Code : | 75.100 |
| Date of Project Approval : | 15-05-2024 |
| Standards to be Superseded : | |
Classification Details |
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| Group : | Coal and Petroleum products |
| Sub Group : | Petroleum products |
| Sub Sub Group : | Instrumental Test Methods for Petroleum, Petroleum Products & Lubricants |
| Aspects : | Methods of tests |
| Risk : | None |
| Certification : | Not Certifiable |
| Short Commom Man's Title : | |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Indigenous |
| Identical/Equivalent Standards : | |
| Organization Type: | |
| Sl.No. | Synosis Points | |
| 1 | This draft Indian Standard specifies a test method for determining the wear-preventive characteristics of lubricants oils and lubricants greases using the Four-Ball Method. The procedure involves a Four-Ball Wear Tester with steel balls arranged in a tetrahedral configuration, simulating sliding contact under controlled conditions - load, speed, temperature, and test duration. The wear scar diameter is measured to assess the lubricant performance. | |
| 2 | The standard outlines the required apparatus, materials and test conditions, applicable to both liquid lubricants and greases. It emphasizes the importance of repeatability and reproducibility in results, ensuring consistent and reliable testing of wear-preventive properties across various lubricants. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 15-05-2024 | ------- | ||
| 2 | P-Draft | 17-05-2024 | Covering letter generated | ------- | |
| 3 | P-Draft | 17-05-2024 | Duration : 30 Days | PCD 1, PCD 01, | ------- |
| 4 | Skipped to W-Draft | 07-01-2025 | Stage-Changed | ------- | |
| 5 | WC Draft | 07-01-2025 | Duration : 60 Days Submitted for HOD approval |
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| 6 | WC Draft | 13-01-2025 | WC approved by HOD |
PCDC PCD 01, PCD 1 : 6, | ------- |