This standard specifies the type, basic parameters and dimensions, technical requirements, lubrication, test methods and inspection rules, marking, packaging, transportation, and storage of circular arc cylindrical worm gear reducers (hereinafter referred to as reducers). The reducer specified in this standard is applicable to the reduction transmission of mechanical equipment. 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 191 Packaging, Storage and Transportation Graphical Symbols GB 1176 Cast Copper and Copper Alloys GB/T 1184 Shape and Position Tolerances without Individual Tolerance Values GB/T 9439 Gray Iron Castings GB/T 10089 Cylindrical Worm and Worm Gear Precision GB/T 13306 Labeling GB/T 13384 General Technical Conditions for Mechanical and Electrical Product Packaging SH/T 0094 Worm Gear Oil JB/T6396 Technical Conditions for Large Alloy Structural Steel Forgings JB/T 7929 Gear Transmission Equipment Cleanliness JB/T 5558 Speed Reducer (Booster) Test Method
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