Direct Drive

Direct Drive Friction Method
  • Two workpiece parts to be joined are clamped rigidly in a sturdy fixed unit usually called the tailstock fixture and a rotating chuck assembly or collet drive.

  • The spindle, which includes one of the workpieces to be welded, is accelerated to a predetermined speed.

  • Spindle drive power source continues to rotate the spindle while the non-rotating workpiece is pushed lightly against the rotating piece.

  • Rotation and pressure are continued for a predetermined time (or scrub/burn-off length) until the workpiece interfaces are heated.

  • Spindle drive power is discontinued with or without braking.   At the same time, axial pressure usually increases until the completion of the welding sequence.

Inertia Friction Welding
1801 South Main Street
South Bend, IN Indiana 46613
Toll Free: 1-800-IFW-0042    Fax: 574-289-5984

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