Position and Presence Sensing

Position and Presence Sensing within Sensors, Controls & Machine Vision.

Category CAT-000000245

Subcategories

Publications

• OT-2026-000023431
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,058 words

  A zoned vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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 work

• OT-2026-000023432
  Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,120 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one plant vacuum connection, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the plant vacuum connection. Before the workpiece reaches t

• OT-2026-000023433
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,080 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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,

• OT-2026-000023434
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,087 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reaches the

• OT-2026-000023435
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,164 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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, th

• OT-2026-000023436
  Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,085 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one plant vacuum connection, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the plant vacuum connection. Before the workpiece reaches t

• OT-2026-000023437
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,185 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023438
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,192 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reach

• OT-2026-000023439
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,129 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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, th

• OT-2026-000023440
  Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,014 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one plant vacuum connection, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the plant vacuum connection. Before the workpiece reaches the set

• OT-2026-000023441
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,151 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023442
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,158 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reach

• OT-2026-000023443
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,058 words

  A zoned vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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 work

• OT-2026-000023444
  Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,120 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one plant vacuum connection, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the plant vacuum connection. Before the workpiece reaches t

• OT-2026-000023445
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,080 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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,

• OT-2026-000023446
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,072 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reaches the

• OT-2026-000023447
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,164 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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, th

• OT-2026-000023448
  Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,085 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one plant vacuum connection, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the plant vacuum connection. Before the workpiece reaches t

• OT-2026-000023449
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,185 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023450
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,177 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reach

• OT-2026-000023451
  Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,129 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one manifold, two zone branches, one contact detector 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, th

• OT-2026-000023452
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,012 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the work

• OT-2026-000023453
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,151 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023454
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,143 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before the workpiece reach

• OT-2026-000023455
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,098 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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 bl

• OT-2026-000023456
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,118 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, th

• OT-2026-000023457
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,080 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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,

• OT-2026-000023458
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,120 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the

• OT-2026-000023459
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,204 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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

• OT-2026-000023460
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,083 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, th

• OT-2026-000023461
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,185 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023462
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position

• OT-2026-000023463
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,169 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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

• OT-2026-000023464
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,012 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the work

• OT-2026-000023465
  Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,151 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector 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 pos

• OT-2026-000023466
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,191 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position

• OT-2026-000023467
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,083 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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 bl

• OT-2026-000023468
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,118 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, th

• OT-2026-000023469
  Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,029 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiec

• OT-2026-000023470
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,105 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the

• OT-2026-000023471
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,189 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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

• OT-2026-000023472
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,083 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, th

• OT-2026-000023473
  Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,134 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the wo

• OT-2026-000023474
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,210 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position

• OT-2026-000023475
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, one contact detector 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

• OT-2026-000023476
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,012 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, the work

• OT-2026-000023477
  Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,100 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one plant vacuum connection, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the wo

• OT-2026-000023478
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,176 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the vacuum pump. Before the workpiece reaches the set-down position

• OT-2026-000023479
  Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,046 words

  A zoned vacuum gripping tool comprising one mounting flange, two suction cups, one ejector, one manifold, two zone branches, one contact detector 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 work

• OT-2026-000023480
  Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,118 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the vacuum pump. Before the workpiece reaches the set-down position, th