JB/T 8331-2011
ActiveTesting of the accuracy for universal rotary head milling machines
万能回转头铣床 精度检验
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 一般要求 → 4 几何精度检验 → 5 工作精度检验 Foreword → 1 Scope → 2 Normative References → 3 General Requirements → 4 Geometric Accuracy Tests → 5 Working Accuracy Tests
Scope
This standard specifies the requirements and inspection methods for geometric accuracy and working accuracy of universal rotary head milling machines. This standard is applicable to universal rotary head milling machines of ordinary accuracy for general use with table width from 200 mm to 500 mm.
本标准规定了万能回转头铣床的几何精度和工作精度的要求及检验方法。本标准适用于工作台面宽度200 mm～500 mm 一般用途的普通精度万能回转头铣床。
Normative References
Keywords
Application Summary AI generated
Machine tool manufacturers and quality inspectors use this standard to verify the accuracy of universal rotary head milling machines. They follow the geometric and working accuracy requirements to conduct factory acceptance or commissioning tests. This standard ensures machining precision and consistency, which is critical for product quality and customer confidence.
机床制造商和质检人员使用本标准来检验万能回转头铣床的精度是否合格。他们依据标准中的几何精度和工作精度要求，对机床进行出厂或验收检验。该标准确保了机床的加工精度和一致性，对提升产品质量和用户信任至关重要。
AI Summary AI generated
This standard JB/T 8331—2011 specifies the geometric and working accuracy inspection requirements for universal rotary head milling machines, applicable to ordinary accuracy machines with table width from 200 mm to 500 mm. It includes general requirements, geometric accuracy tests (e.g., axes, table, spindle) and working accuracy tests. It references GB/T 17421.1 for inspection general rules. Key technical changes include expanded scope and reordered inspection sequence.
本标准JB/T 8331—2011规定了万能回转头铣床的几何精度和工作精度检验要求，适用于工作台面宽度200 mm至500 mm的普通精度机床。标准包含一般要求、几何精度检验（如运动轴线、工作台、主轴等）和工作精度检验。引用GB/T 17421.1作为检验通则。主要技术变化包括扩大适用范围、调整检验顺序等。
Key Sentences extracted from text
本标准规定了万能回转头铣床的几何精度和工作精度的要求及检验方法。
本标准适用于工作台面宽度200 mm～500 mm 一般用途的普通精度万能回转头铣床。
使用本标准时应按GB/T 17421.1—1998 中3.1 调整机床安装水平。
当实测长度与本标准规定的长度不同时，公差应根据GB/T 17421.1—1998 中2.3.1.1 的规定，按能够测量的长度折算。
工作精度检验应在精加工后进行。
This standard specifies the requirements and inspection methods for geometric accuracy and working accuracy of universal rotary head milling machines.
This standard is applicable to universal rotary head milling machines of ordinary accuracy for general use with table width from 200 mm to 500 mm.
When using this standard, the machine tool installation level shall be adjusted according to 3.1 of GB/T 17421.1—1998.
When the measured length differs from the length specified in this standard, the tolerance shall be converted according to the provisions of 2.3.1.1 of GB/T 17421.1—1998 based on the measurable length.
Working accuracy tests shall be carried out after finishing.
Standard Timeline
Changes from replaced version:
- 将第1章适用范围的工作台面宽度，由400 mm增加到了500 mm
- 取消了第1章适用范围中“其他型式的万能回转头升降台铣床也可参照执行”
- 将第4章几何精度检验的顺序，按轴线运动、工作台、主轴、刀杆支架进行了重新排序
- G6项将原手动、机动两种公差值统一为一种
- Increased the table width in the scope of Chapter 1 from 400 mm to 500 mm
- Removed the phrase 'other types of universal rotary head knee-type milling machines may also refer to this standard' from the scope of Chapter 1
- Reordered the geometric accuracy tests in Chapter 4 according to axis movement, table, spindle, and arbor support
- Unified the two tolerance values (manual and power) for item G6 into one