QB/T 4392-2012
Industrial sewing machine.Test methods for mechanism clearance of lockstitch sewing machine (English Version)
- Standard No.
- QB/T 4392-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 4392-2012
- Scope
- This standard specifies the test devices, test classifications, test methods, test requirements, test reports, etc. for the mechanis clearance of industrial lockstitch sewing machines. This standard is applicable to the test of the movement mechanis clearance of industrial lockstitch flatbed bottom feed, needle feed, top feed, single-needle lockstitch sewing machine and double-needle lockstitch sewing machine. Other models can refer to the test.
QB/T 4392-2012 history
- 2012 QB/T 4392-2012 Industrial sewing machine.Test methods for mechanism clearance of lockstitch sewing machine
