CNC woodworking engraving machine for step motor and the application of ac servo system experiment

by:Transon     2020-04-18
From the point of running accuracy, with the current domestic CNC woodworking engraving machine can achieve technical standards, general error below 30 mm for metal cutting precision can keep in & plusmn; 0. 5 mm range, then according to this requirement, CNC woodworking engraving machine driving system for numerical control function to achieve what kind of form a complete set of requirements will be needed? The following Wu Hanjia times, science and technology will give you a simple answer: stepping motor as a kind of open loop control system, and the modern digital control technology has the nature of the contact. In the present domestic CNC woodworking engraving machine, the application of step motor is very extensive. With the emergence of digital ac servo system, ac servo motors are increasingly used in the digital control system. In order to adapt to the development trend of digital control, motion control systems mostly adopt stepper motor or all-digital ac servo motor as the executive motor. Although both similar on control mode ( Pulse sequence and direction signal) , but in the use of performance and applications on there is a big difference. A comparison to be made regarding the use performance of both.
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