This standard specifies the coding method, external dimensions, technical requirements, inspection and testing methods, inspection rules, markings, and packaging of flexible bearings (hereinafter referred to as bearings) for industrial robot harmonic gear reducers. This standard is applicable to the production, inspection, and acceptance of bearings. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 272 Rolling bearings - Method of designation GB/T 307.1 Rolling bearings - Geometrical specifications for radial bearings (GPS) GB/T 307.2 Principles and Methods for Measurement and Inspection of Rolling Bearings GB/T 307.3 General Technical Rules for Rolling Bearings GB/T 308.1 Rolling Bearing Balls Part 1: Steel Balls GB/T 4199 Rolling Bearing Tolerance Definitions GB/T 4604.1 Rolling Bearing Clearance Part 1: Radial Clearance of Radial Bearings GB/T 6930 Rolling Bearings Vocabulary GB/T 7811 Rolling Bearing Parameter Symbols GB/T 8597 Rolling Bearings Rust Prevention Packaging GB/T 18254 High Carbon Chromium Bearing Steel GB/T 24605 Rolling Bearing Products GB/T 24608 Inspection Rules for Rolling Bearings and Their Commercial Parts GB/T 25769 Measurement Methods for Radial Clearance of Rolling Bearings GB/T 28268 Technical Conditions for Rolling Bearings and Stamping Cages GB/T 30819 Harmonic Gear Reducers for Robots GB/T 32562 Measurement Methods for Friction Moment of Rolling Bearings GB/T 33624 Measurement and Evaluation Methods for Cleanliness of Rolling Bearings GB/T 34891 Technical Conditions for Heat Treatment of High Carbon Chromium Bearing Steel Parts JB/T 6641 Residual Magnetism of Rolling Bearings Evaluation method JB/T 7048 Technical conditions for plastic cages in rolling bearing engineering JB/T 7051 Measurement and evaluation methods for surface roughness of rolling bearing parts JB/T 10336 Supplementary technical conditions for rolling bearings
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China