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石材雕刻机应用范畴

更新时间:2018-01-19 点击数:

在数控机床中,电主轴一般选用变频调速办法。主要有一般变频驱动和操控、矢量操控驱动器的驱动和操控以及直接转矩操控三种操控方法。一般变频为标量驱动和操控,其驱动操控特性为恒转矩驱动,输出功率和转速成正比。一般变频操控的动态功用不行抱负,在低速时操控功用欠安,输出功率不行安稳,也不具备C轴功用。但价格廉价、结构简单,一般用于磨床和一般的高速铣床等。矢量操控技能仿照直流电动机的操控,以转子磁场定向,用矢量改换的办法来完成驱动和操控,具有杰出的动态功用。矢量操控驱动器在刚发动时具有很大的转矩值,加之电主轴本身结构简单,惯性很小,故发动加速度大,能够完成发动后瞬时到达答应极限速度。这种驱动器又有开环和闭环两种,后者能够完成方位和速度的反馈,不只具有更好的动态功用,还能够完成C轴功用;而前者动态功用稍差,也不具备C轴功用,但价格较为廉价。直接转矩操控是继矢量操控技能之后发展起来的又一种新式的高功用沟通调速技能,其操控思想新颖,系统结构简洁明了,更适合于高速电主轴的驱动,更能满意高速电主轴高转速、宽调速范围、高速瞬间准停的动态特性和静态特性的要求,已成为沟通传动领域的一个热点技能。适用范围:花岗岩、大理石、青石、砂岩等石材雕琢花岗岩等硬质石材能够分层次雕琢至5mm

In CNC machine tools, motorized spindle frequency control method is generally used. There are three kinds of control methods, which are general frequency conversion drive and control, vector control driver drive and control, and direct torque control. General frequency conversion is scalar drive and control, its driving control characteristic is constant torque drive, output power and speed is proportional to. Dynamic function no ambition general frequency conversion control, speed control function not beautiful, not stable output power, also does not have the function of C axis. But the price is cheap, simple structure, generally used in grinding machines and general high-speed milling machine, etc.. The vector control skill imitates the DC motor's control, uses the rotor magnetic field direction, uses the vector change method to complete the actuation and the control, has the outstanding dynamic function. The vector control driver has a large torque value when it is started, and the electric spindle itself is simple and the inertia is very small, so the acceleration is large, and the speed limit can be reached immediately after the start. The driver has two kinds of open loop and closed loop, the latter can complete the feedback of azimuth and speed, not only has better dynamic function, but also can complete the function of C axis; and the former dynamic function is slightly worse, also does not have the C axis function, but the price is cheaper. Direct torque control is after vector control skills developed and a new high power communication speed skills, the manipulation of new idea, concise system structure, driving more suitable for high-speed electric spindle, dynamic characteristics can satisfy the high-speed spindle of high speed, wide speed range, high speed and accurate stop moment the static characteristic, has become a hot field of transmission communication skills. Scope of application: granite, marble, bluestone, sandstone and other stone, carved granite and other hard stones, can be carved to 5mm layers


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