Position and Presence Sensing

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

Category CAT-000000245

Subcategories

Publications

• OT-2026-000059270
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,277 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down

• OT-2026-000059271
  Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,266 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one manifold, three zone branches, one pressure sensor, 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 positi

• OT-2026-000059272
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,107 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. After the workpiece has reached the s

• OT-2026-000059273
  Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A suction-cup vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the

• OT-2026-000059274
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,221 words

  A foam-pad vacuum gripping tool comprising one mounting flange, six foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down posit

• OT-2026-000059275
  Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,372 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, three zone branches, one pressure sensor, 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

• OT-2026-000059276
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,073 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, four bellows cups, one vacuum pump, one isolation valve, one manifold, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. After the workpiece has reached the s

• OT-2026-000059277
  Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,259 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reache

• OT-2026-000059278
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,326 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down

• OT-2026-000059279
  Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,337 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, three zone branches, one pressure sensor, 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

• OT-2026-000059280
  Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 1,020 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, six bellows cups, one ejector, one isolation valve, one manifold, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. After the workpiece has reached the set-down positio

• OT-2026-000059281
  Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reache

• OT-2026-000059282
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,292 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down

• OT-2026-000059283
  Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,251 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one manifold, three zone branches, one pressure sensor, 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 positi

• OT-2026-000059284
  Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 860 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059285
  Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A suction-cup vacuum gripping tool comprising one mounting flange, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the se

• OT-2026-000059286
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,063 words

  A foam-pad vacuum gripping tool comprising one mounting flange, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacuum cir

• OT-2026-000059287
  Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,305 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one plant vacuum connection, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connectio

• OT-2026-000059288
  Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 895 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059289
  Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,259 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059290
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,169 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059291
  Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,270 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one plant vacuum connection, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connectio

• OT-2026-000059292
  Single bellows cup vacuum gripper, single stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 860 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059293
  Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059294
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,134 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059295
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,209 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reache

• OT-2026-000059296
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 789 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off by the

• OT-2026-000059297
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A suction-cup vacuum gripping tool comprising one mounting flange, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the se

• OT-2026-000059298
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,048 words

  A foam-pad vacuum gripping tool comprising one mounting flange, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacuum cir

• OT-2026-000059299
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,315 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece

• OT-2026-000059300
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 895 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059301
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,259 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059302
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059303
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,280 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece

• OT-2026-000059304
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 860 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059305
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059306
  Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,119 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059307
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,209 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reache

• OT-2026-000059308
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 789 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off by the

• OT-2026-000059309
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A suction-cup vacuum gripping tool comprising one mounting flange, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the se

• OT-2026-000059310
  Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,063 words

  A foam-pad vacuum gripping tool comprising one mounting flange, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacuum cir

• OT-2026-000059311
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,315 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece

• OT-2026-000059312
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 895 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059313
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,259 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059314
  Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,169 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059315
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,280 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece

• OT-2026-000059316
  Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 860 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one contact detector and one blow-off valve. When the bellows cup reaches the workpiece, the bellows cup is evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000059317
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000059318
  Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,134 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down position, the vacu

• OT-2026-000059319
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,209 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one manifold, three zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reache