Position and Presence Sensing

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

Category CAT-000000245

Subcategories

Publications

• OT-2026-000028626
  Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,202 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, four foam pads, one vacuum pump, one manifold, one pressure sensor, 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 positio

• OT-2026-000028627
  Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,206 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one vacuum pump, three isolation valves, three zone branches, one contact detector 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,

• OT-2026-000028628
  Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,015 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028629
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,326 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one isolation valve, one manifold, 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 vacuum pump. Before the workpi

• OT-2026-000028630
  Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,116 words

  A foam-pad vacuum gripping tool comprising one mounting flange, four foam pads, one vacuum pump, one manifold, one pressure sensor, 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-2026-000028631
  Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,311 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, three isolation valves, three zone branches, one contact detector 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 pos

• OT-2026-000028632
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 944 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000028633
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,292 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one isolation valve, one manifold, 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 vacuum pump. Before the workpi

• OT-2026-000028634
  Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,222 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, four foam pads, one vacuum pump, one manifold, one pressure sensor, 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 positio

• OT-2026-000028635
  Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,277 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one vacuum pump, three isolation valves, three zone branches, one contact detector 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 pos

• OT-2026-000028636
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,050 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028637
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,221 words

  A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one vacuum pump, one isolation valve, one manifold, 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 vacuum pump. Before the workpiece re

• OT-2026-000028638
  Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,187 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, four foam pads, one vacuum pump, one manifold, one pressure sensor, 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 positio

• OT-2026-000028639
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,169 words

  A zoned vacuum gripping tool comprising one mounting flange, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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-d

• OT-2026-000028640
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,015 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028641
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,326 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one isolation valve, one manifold, 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 vacuum pump. Before the workpi

• OT-2026-000028642
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,149 words

  A foam-pad vacuum gripping tool comprising one mounting flange, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 workpiec

• OT-2026-000028643
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,274 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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

• OT-2026-000028644
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 944 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000028645
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,292 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one isolation valve, one manifold, 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 vacuum pump. Before the workpi

• OT-2026-000028646
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,255 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028647
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,240 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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

• OT-2026-000028648
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,050 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028649
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,240 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000028650
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,220 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028651
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,169 words

  A zoned vacuum gripping tool comprising one mounting flange, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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-d

• OT-2026-000028652
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,015 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028653
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,345 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece re

• OT-2026-000028654
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,134 words

  A foam-pad vacuum gripping tool comprising one mounting flange, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 workpiec

• OT-2026-000028655
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,274 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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

• OT-2026-000028656
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 944 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000028657
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,311 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece re

• OT-2026-000028658
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,240 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028659
  Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,240 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one vacuum pump, three isolation valves, three zone branches, one contact detector 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

• OT-2026-000028660
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,050 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028661
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,240 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000028662
  Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,205 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028663
  Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,197 words

  A zoned vacuum gripping tool comprising one mounting flange, four bellows cups, one ejector, four isolation valves, four 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 positio

• OT-2026-000028664
  Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,015 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028665
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,345 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece re

• OT-2026-000028666
  Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,149 words

  A foam-pad vacuum gripping tool comprising one mounting flange, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 workpiec

• OT-2026-000028667
  Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,302 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, four isolation valves, four 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 p

• OT-2026-000028668
  Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 944 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000028669
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,311 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece re

• OT-2026-000028670
  Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,255 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028671
  Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,268 words

  A zoned vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, four isolation valves, four 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 p

• OT-2026-000028672
  Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,050 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, 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. Before the workpiece reaches the set-down position, the workpiece i

• OT-2026-000028673
  Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,240 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 blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches

• OT-2026-000028674
  Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,220 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one ejector, one manifold, one pressure sensor, one contact detector and one blow-off 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 wo

• OT-2026-000028675
  Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,197 words

  A zoned vacuum gripping tool comprising one mounting flange, four bellows cups, one ejector, four isolation valves, four 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 positio