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影响注塑机机械手生产误差的因素有哪些

时间:2019-04-17  来源:本文搜集于网络,由机械手厂家创盈时代整理,欢迎转载,转载注明出处  点击:165

现在很多机械设备生产厂家,都在选择用注塑机机械手作为主要生产方式,生产中使用自动化机械手能够提高产品的生产效率和产品质量,降低产品的生产成本,但是在生产中注塑机机械手能否准确地工作,实际上是一个三维空间的定位问题,是若干线量和角量定位的组合,只有减少这些组合的误差,才能够使注塑机械手正常的运行,那么影响单个线量或角量定位误差的因素有哪些呢?
Now a lot of machinery and equipment manufacturers, are used as the main mode of production, injection molding machine manipulator used in production automation manipulator can raise the production efficiency and product quality, reduce the production cost of the products, but in the production of injection molding machine manipulator can work accurately, is actually a three dimensional space location problem, is the combination of several line as well as the Angle of orientation, only to reduce the error of these combinations, can make the manipulator of the normal operation of injection, a single dose or angular positioning error influence factors of what?

注塑机械手

定位方式和速度,不同的定位方式影响因素不同,如机械挡块定位时,定位精度与挡块的刚度和碰接挡块时的速度等因素有关。定位速度对定位精度影响很大,这是因为定位速度不同时,必须耗散的运动部件的能量不同。通常,为减小定位误差应合理控制定位速度,如提高缓冲装置的缓冲性能和缓冲效率,控制驱动系统使运动部件适时减速。

Positioning mode and speed, the influence factors of different positioning mode are different, such as mechanical block positioning, positioning accuracy and block stiffness and collision block speed and other factors. The positioning speed has a great influence on the positioning accuracy, because the energy of the moving parts must be dissipated is different when the positioning speed is different. Generally, in order to reduce the positioning error, the positioning speed should be reasonably controlled, such as improving the buffering performance and buffering efficiency of the buffering device, and controlling the driving system to make the moving parts slow down in time.

精度和刚度,机械手的制造精度和安装调速精度对定位精度有直接影响,机械手本身的结构刚度和接触刚度低时,因易产生振动,定位精度一般较低,开关控制、电液比例控制和伺服控制的位置控制精度是个不相同的。这不仅是因为各种控制元件的精度和灵敏度不同,而且也与位置反馈装置的有无有关。
Precision and stiffness, the manipulator manufacturing precision and installation speed accuracy has a direct impact on the positioning accuracy, the manipulator itself structure stiffness and low contact stiffness, due to easy vibration, positioning accuracy is generally low, switch control, electro-hydraulic proportional control and servo control position control accuracy is not the same. This is not only because the accuracy and sensitivity of various control elements are different, but also related to the presence or absence of position feedback devices.

运动件的重量和驱动源,运动件的重量包括机械手本身的重量和被抓物的重量,运动件重量的变化对定位精度影响较大。通常,运动件重量增加时,定位精度降低,因此,设计时不仅要减小运动部件本身的重量,而且要考虑工作时抓重变化的影响。液压、气压的压力波动及电压、油温、气温的波动都会影响机械手的重复定位精度。因此,采用必要的稳压及调节油温措施。如用蓄能器稳定油压,用加热器或冷却器控制油温,低速时,用温度、压力补偿流量控制阀控制。
The weight of the moving parts and the driving source, the weight of the moving parts include the weight of the manipulator itself and the weight of the caught object, and the change of the weight of the moving parts has a great impact on the positioning accuracy. Generally, when the weight of moving parts increases, the positioning accuracy decreases. Therefore, the design should not only reduce the weight of the moving parts themselves, but also consider the impact of weight change during work. Hydraulic pressure, pressure fluctuations and voltage, oil temperature, temperature fluctuations will affect the repetitive positioning accuracy of the manipulator. Therefore, the necessary pressure regulation and oil temperature regulation measures. If the accumulator is used to stabilize the oil pressure, the heater or cooler is used to control the oil temperature, and at low speed, the temperature and pressure compensation flow control valve is used to control.

深圳市创盈时代科技有限公司是一家专注于冲床机械手,上下料机械手,注塑机械手,五金冲压机械手,工业机器人,非标自动化设备的研发生产和销售于一体的国家高新技术厂家。

原文地址:http://www.chytime-robot.com/jszc/508.html

本文关键词:注塑机械手误差

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