Records of achievements

Electric and wiring parts

Motor shaft Material (Joining dimension):SUS304×S35C(46)
Application: Electric and wiring parts
Pre-friction joining method/Problems
Grinding out from solid SUS stock

  • Larger number of machining man-hour
  • Higher material cost

 
Class
Quality Cost Lightening
   
Purpose and effects
  • Reduced number of processing man-hour
  • Dividing and use of SUS stock only at sections where corrosion resistance is required

Radiating pipe for refrigerator Material (Joining dimension):C1220×A1100(9×t1)
Application: Electric and wiring parts
Pre-friction joining method/Problems
Solid copper pipe

  • Heavier weight
  • Difficult to bend

 
Class
Quality Cost Lightening
 
Purpose and effects
  • Use of aluminum radiation fins by dividing
  • Reduced weight
  • Easy bending at fin section

Large size switch parts Material (Joining dimension):C1100×C3771×C1100(12)
Application: Electric and wiring parts
Pre-friction joining method/Problems

Brazing

  • Problem of breakage at joint section during use

 
Class
Quality Cost Lightening
   
Purpose and effects
  • Changing to butt friction joining
  • Broken parts have been eradicated.

Conector Material (Joining dimension):C1100×C1100(46)
Application: Electric and wiring parts
Pre-friction joining method/Problems

Brazing

  • Problem of breakage at joint section during use

 
Class
Quality Cost Lightening
   
Purpose and effects
  • Changing to butt friction joining Broken parts have been eradicated.

Differential transformer Material (Joining dimension):???PB×SUS304(46)
Application: Electric and wiring parts
Pre-friction joining method/Problems

Screwing in

  • Problem of breakage at threaded section

 
Class
Quality Cost Lightening
   
Purpose and effects
  • Changing to butt friction joining Broken parts have been eradicated.

Casting clamp Material (Joining dimension):A1100×C1020(47×t1)
Application: Electric and wiring parts
Pre-friction joining method/Problems
Solid copper parts

  • Electric corrosion at caulked section of aluminum electric wire

 
Class
Quality Cost Lightening
   
Purpose and effects
  • Butt friction joining of aluminum and copper
  • Trouble of electric corrosion has been eradicated.