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Machining error of NC machining

2020-03-11 09:13:31
times

Machining error

CNC machining error △ number plus is formed by programming error △ editing error, machine error △ machine, positioning error △ setting error, tool error △ tool and other errors.


That is, △ number plus =f (△ edit +△ machine +△ fixed +△ knife)


Among them:

数控机床

1. The programming error △ is composed of the approximation error δ and the rounding error. The approximation error δ is generated in the process of approximating a non-circular curve with a straight line segment or an arc segment, as shown in Figure 1.43. The rounding error is the error caused by rounding the coordinate value to the integer pulse value during data processing. Pulse equivalent refers to the displacement of each unit pulse corresponding to the coordinate axis. For ordinary precision CNC machine tools, the general pulse equivalent value is 0.01mm; The pulse equivalent value of more precise CNC machine tools is 0.005mm or 0.001mm.


2, machine error △ Machine caused by CNC system error, feed system error and other reasons.


3, positioning error △ must be generated when the workpiece is positioned on the fixture and the fixture is positioned on the machine tool.


4, the tool error △ The tool is generated when determining the relative position of the tool and the workpiece.


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Mobile Phone:133-8252-2208 Mobile Phone:133-8252-2208

Phone:0512-36852661 Phone:0512-36852661

Website:www.china-ry.cn Website:www.china-ry.cn

Email:ks_riye@163.com Email:ks_riye@163.com

Add: No.886 Jinmao Road, Luyang, Zhoushi Town, Kunshan City, Suzhou Add: No.886 Jinmao Road, Luyang, Zhoushi Town, Kunshan City, Suzhou

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