Tool Changers

Tool Changers within End Effectors.

Category CAT-000000055

Publications

• OT-2026-000082295
  Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 986 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082299
  Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,021 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082301
  Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 986 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082305
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,033 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082307
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 998 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082311
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,033 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082313
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 998 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082317
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,033 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082319
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 998 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082323
  Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,073 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown off by the

• OT-2026-000082325
  Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,038 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown off by the

• OT-2026-000082329
  Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,058 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown off by the

• OT-2026-000082331
  Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,023 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown off by the

• OT-2026-000082335
  Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,021 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082337
  Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 986 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082341
  Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,021 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082343
  Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 986 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown

• OT-2026-000082347
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082349
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082353
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082355
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082359
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082361
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082365
  Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,056 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the plant vacuum connection. Before the workpiece reaches the set-down position, th

• OT-2026-000082367
  Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,021 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the plant vacuum connection. Before the workpiece reaches the set-down position, th

• OT-2026-000082371
  Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,041 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the plant vacuum connection. Before the workpiece reaches the set-down position, th

• OT-2026-000082373
  Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,006 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the plant vacuum connection. Before the workpiece reaches the set-down position, th

• OT-2026-000082377
  Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,004 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082379
  Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 969 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082383
  Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,004 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082385
  Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 969 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-down

• OT-2026-000082389
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082391
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082393
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082395
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082399
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082401
  Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 981 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082405
  Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,056 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece is blown off

• OT-2026-000082407
  Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,021 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece is blown off

• OT-2026-000082411
  Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,041 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece is blown off

• OT-2026-000082413
  Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,006 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece is blown off

• OT-2026-000082417
  Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,004 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082419
  Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 969 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082423
  Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,004 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082425
  Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 969 words

  A zoned vacuum gripping tool comprising one tool-change interface, four suction cups, one vacuum pump, one manifold, four zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the workpiece

• OT-2026-000082429
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,044 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown o

• OT-2026-000082431
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,009 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown o

• OT-2026-000082435
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,044 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown o

• OT-2026-000082437
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,009 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown o

• OT-2026-000082441
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,044 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blown o