Electrode tip dresser

Details Electrode tip dresser Electrode tip dresser

2007-08-21

2007-08-21

Ross, Dana (Department: 3722)

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

C409S140000, C409S139000, C219S119000

Reexamination Certificate

active

11363469

ABSTRACT:
An electrode tip dresser is disclosed which can dress a pair of electrode tips to a usable state while achieving a desired accuracy of a tip surface of each electrode tip including an angular portion at a peripheral edge of the tip surface, without separating each electrode tip from a welding gun. The electrode tip dresser includes a holder which is rotatable about a common axis of electrode tips, a pair of support shafts which are held by the holder, are arranged in parallel in an approach direction of the electrode tips, and extend in a direction orthogonal to the approach direction, and a pair of dressing rollers which are rotatably supported by the support shafts, respectively, to dress the electrode tips to a usable state. Each dressing roller includes a groove which has a cross-section conforming to the outline of the tip section of the associated electrode tip when the cross-section is taken in a direction orthogonal to the associated support shaft, and the outline is taken after the dressing of the electrode tip. Each dressing roller includes two axially-divided roller bodies. The dividing plane of the divided roller bodies is arranged at the center of the tip surface of the associated electrode tip in a direction orthogonal to the axis of the associated electrode tip.

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