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影响注塑机机械手精度的七大因素

时间:2017-10-23  来源:本文转载于网络,由注塑冲压机械手厂家创盈时代整理,欢迎转载,转载请注明出处  点击:325

浅析影响注塑机机械手精度的几个因素


现在很多塑胶产品生产厂家,都在选择用注塑机机械手作为主要生产方式,因为自动化机械手能够提高产品的生产效率和产品质量,以及在降低产品的生产成本,但是在实际生产中注塑机机械手能否准确地工作,这不仅是一个三维空间的定位问题,还是若干线量和角量定位的组合。
Now a lot of plastic products manufacturers, are used in the choice of injection molding machine manipulator as the main mode of production, because automation manipulator can improve production efficiency and product quality, and reduce the production cost of the product, but in the actual production of injection molding machine manipulator can accurately work, this is not only a 3D positioning problem space, or a combination of quantity and angular positioning line.

注塑冲压机械手厂家通过大量售后反馈的情况看来,在许多较简单情况下,单个量值可能是主要的,所以影响注塑机机械手精度的因素综合下来包括一下几个方面。
Injection manipulator manufacturers through a large number of customer service feedback appears in many simple cases, a single value may be the main influence factors, so the accuracy of the injection molding machine manipulator integrated down include the following aspects.

1.定位方式——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。
1. positioning methods different positioning methods have different influence factors. When the mechanical block is positioned, the positioning accuracy is related to the rigidity of the block and the speed of the contact block.

2.定位速度——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。

2. positioning speed the positioning speed has a great influence on positioning accuracy. This is because the positioning speed is not the same, the energy of the moving parts must be dissipated. Generally, in order to reduce the positioning error, the positioning speed should be controlled reasonably, such as improving the buffer performance and buffer efficiency of the buffer device, and controlling the drive system to decelerate the moving parts at proper speed.


注塑冲压机械手


3.精度——注塑冲压机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。
3. precision injection molding machine manipulator manufacturing accuracy and installation speed control accuracy has a direct impact on positioning accuracy.

4.刚度——注塑机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。
When the stiffness and contact stiffness of the manipulator of 4. injection molding machine are low, the positioning accuracy is generally low due to vibration easily.

5.运动件的重量——运动件的重量包括注塑机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。
The weight of the 5. piece of motion the weight of the moving piece includes the weight of the manipulator itself and the weight of the object to be seized. The change of weight of moving parts has great influence on positioning accuracy. Usually, when the weight of the moving parts increases, the positioning accuracy is reduced. Therefore, the design should not only reduce the weight of the moving parts itself, but also consider the impact of the change in the weight of the work.

6.驱动源——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 6. driving source hydraulic pressure fluctuation and the fluctuation of voltage, oil temperature and air temperature will affect the repeated positioning accuracy of the manipulator. Therefore, the use of necessary voltage regulation and regulation of oil temperature measures. If the accumulator is used to stabilize the oil pressure, the oil temperature is controlled by the heater or cooler, and the flow rate control valve is controlled by temperature and pressure at low speed.

7.控制系统——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。
7. control system switch control, electro-hydraulic proportional control and servo control position control accuracy is not the same. This is due not only to the accuracy and sensitivity of various control elements, but also to the availability of the position feedback device.

深圳市创盈时代科技有限公司是一家专注于注塑机械手,上下料机械手,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/390.html

本文关键词:注塑机械手,精度

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