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Maintenance and operation methods of tools and measuring tools

2022

Maintenance and operation methods of tools and measuring tools

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　　Maintenance and operation of tools and measuring tools:
　　In the measurement of machine parts,in order to obtain the ideal accuracy,in addition to controlling the measurement environment factors,care must be taken in the use and maintenance of the measuring tools themselves.Due to improper use,measurement errors will occur;poor maintenance will damage its accuracy and affect product quality.Therefore,the use and maintenance of general tools and measuring tools should pay attention to the following matters:
　　1.Preparation before using the measuring tool:
　　(1)Before starting the measurement,confirm whether the tool is reset to zero.
　　(2)Check whether the measuring surface of the measuring tool is rusted,worn or scratched.
　　(3)First remove the burrs,oil stains or slag on the measuring surface of the workpiece.
　　(4)Wipe clean with a clean soft cloth or dust-free paper.
　　(5)The record book needs to be checked regularly and corrected if necessary.
　　(6)Arrange the measuring tools and instruments to be used in an appropriate position,and do not overlap them.
　　(7)For fragile tools and measuring tools,use a soft velvet cloth or soft wiping paper to spread on the workbench(such as optical flat mirrors,etc.).
　　2.Matters needing attention when using tools and measuring tools:
　　(1)When measuring,the contact with the workpiece should be appropriate,and it should not be skewed.Avoid touching the measuring surface with your hands to protect the measuring tool.
　　(2)The measurement force should be appropriate.Excessive measurement pressure will cause measurement errors and easily damage the workload.
　　(3)The clamping method of the workpiece should be appropriate to avoid inaccurate measurement.
　　(4)Do not measure the rotating workpiece to avoid danger.
　　(5)Do not force the measuring tool into the workpiece or use it on the vise.
　　(6)Do not knock,litter or place tools and measuring tools arbitrarily.
　　(7)The use of special measuring tools should be used in accordance with certain methods and steps.
　　3.Maintenance of tools and measuring tools after use:
　　(1)After use,it should be cleaned.
　　(2)Coat the cleaned tools and measuring tools with anti-rust oil and store them in the cabinet.
　　(3)Disassembly,adjustment,modification and assembly,etc.,should be carried out by special management personnel,and cannot be carried out without authorization.
　　(4)Regularly check whether the performance of storage tools and measuring tools is normal,and make maintenance records.
　　(5)It should be regularly inspected to check whether the size is qualified,as a basis for continued use or elimination,and a record of inspection and maintenance should be made.