GB/T 4440-2008
AbolishedAdjustable wrenches
活扳手
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 分类和标记 → 4 技术要求 → 5 试验方法 → 6 检验规则 → 7 包装、标志、运输与贮存 → 附录A → 附录B Foreword → 1 Scope → 2 Normative References → 3 Classification and Marking → 4 Technical Requirements → 5 Test Methods → 6 Inspection Rules → 7 Packaging, Marking, Transport and Storage → Annex A → Annex B
Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, and packaging, marking, transport and storage of adjustable wrenches. This standard applies to adjustable wrenches for turning bolts and nuts or other fasteners.
本标准规定了活扳手的产品分类、技术要求、试验方法、检验规则及包装、标志、运输与贮存。本标准适用于扳拧螺栓和螺母或其他紧固件的活扳手。
Normative References
Keywords
Application Summary AI generated
Workers in mechanical maintenance, assembly, and manufacturing use this standard to ensure the quality and performance of adjustable wrenches. It helps manufacturers unify product specifications, ensuring reliability and safety during use. This standard is important for improving product quality in the tool industry and facilitating international trade.
机械维修、装配和制造行业的工人使用该标准来确保活扳手的质量和性能。它帮助生产厂家统一产品规格，保证扳手在使用中的可靠性和安全性。该标准对于提高工具行业的产品质量、促进国际贸易具有重要意义。
AI Summary AI generated
This standard specifies product classification, technical requirements, test methods, inspection rules, and packaging, marking, transport and storage for adjustable wrenches. Key technical content includes material requirements, assembly performance, surface treatment, dimensions, and hardness. The standard modifies ISO 6787:2001, adding requirements for materials and assembly performance, and adjusting minimum test torque and coating thickness. It applies to adjustable wrenches for turning bolts, nuts, or other fasteners.
本标准规定了活扳手的产品分类、技术要求、试验方法、检验规则及包装、标志、运输与贮存。主要技术内容包括材料要求、装配性能、表面处理、尺寸和硬度等。标准修改采用ISO 6787:2001，并增加了材料、装配性能等要求，调整了最小试验扭矩和镀层厚度要求。适用于扳拧螺栓、螺母或其他紧固件的活扳手。
Key Sentences extracted from text
本标准规定了活扳手的产品分类、技术要求、试验方法、检验规则及包装、标志、运输与贮存。
本标准适用于扳拧螺栓和螺母或其他紧固件的活扳手。
增加了材料的要求(本版的4.1)。
对活动扳口与扳体的装配性能作了规定(本版的4.4)。
对最小试验扭矩作了调整(1998版的4.2,本版的4.3)。
This standard specifies the product classification, technical requirements, test methods, inspection rules, and packaging, marking, transport and storage of adjustable wrenches.
This standard applies to adjustable wrenches for turning bolts and nuts or other fasteners.
Added requirements for materials (this edition, 4.1).
Specified the assembly performance of the movable jaw and the wrench body (this edition, 4.4).
Adjusted the minimum test torque (1998 edition, 4.2; this edition, 4.3).
Standard Timeline
Changes from replaced version:
- 删去了公称长度为650 mm的产品
- 对基本尺寸作了修改
- 增加了材料的要求
- 对最小试验扭矩作了调整
- 减小了镀层厚度的要求
- 增加了活扳手表面发黑处理或其他化合物生成处理的要求
- 修改了装配性能中小肩离缝的检验方法
- 增加了产品标志
- Deleted products with nominal length of 650 mm
- Modified basic dimensions
- Added material requirements
- Adjusted minimum test torque
- Reduced coating thickness requirements
- Added requirements for blackening or other compound treatment of adjustable wrench surface
- Modified the inspection method for small shoulder gap in assembly performance
- Added product marking