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The measurement of the force in block solder process

来源: 作者:Stand originally 时间:2008-12-30 Tag: 点击:
  

Measure technical progress as dynamic electrode force, through regular test point solder robot is mixed online measure process of monitoring point solder, will eliminate defective goods and economic cost to become gain ground more and more. Strange stone happy company produces change send implement can undertake effective monitoring to the force in block solder process, and be inside numerous car production company get applied extensively.

  
As ceaseless aggravate of competition, the car makes an enterprise must seek shorter cycle time in block solder, and more reliable can solder with what specific technology parameter will behave operation. No matter be pneumatic or dynamoelectric electrode, clamping force is an important parameter, because this arrives to get more reliable product, people must pay close attention to the electrode clamping force with accurate procedure of whole spot welding.
  
Place by the electrode of drive of servo electric machinery to the 7th axis serving as in system of contemporary robot control, online (On-line) of electrode force measure use at monitoring not only, and use at control. In block solder if cannot clamping force of seasonable monitoring electrode, will bring about manufacturing waste or defective goods to increase. To remedy this flaw, normally people should have nonsked examination. Measure technical progress as dynamic electrode force, through regular test point solder robot is mixed online measure process of monitoring point solder, will eliminate defective goods and economic cost to become gain ground more and more, in the electric drive system that places in electrode especially. Solder if the graph is shown 1 times,robot force surveys a system.

  
Graph 1 solder robot force measures systematic citing


Process parameter
  
Solder the important parameter in the process is time, electric current and solder relay. To optimize spot welding effect, the solder relay that achieves a requirement when electric current is opened is become by understanding electrode clamping force. If voltaic open is premature, if in force the value achieves his of optimal value 90% before open, criterion solder is splashed (Welding Spatter) wear away with electrode (Electrode Wear) arise possibly; On the other hand, electric current must use up early open in order to make cycle time decreases.
  
Pass experience to be able to be informed, electric welding force differs every time, main reason is electrode wears away bring about drop off of electrode clamping force. Too big error may be caused by a variety of reasons, like plank feed incorrect, ply is incorrect, be out of shape and the component is placed each other wait not together.
  
Direct or indirect (Indirect) measure power special agree with monitor, also can use at control and adjusting electric welding force, particular kind is:

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