Vacuum Grippers

Vacuum Grippers within End Effectors.

Category CAT-000000051

Publications

• OT-2026-000009304
  Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,234 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, one suction cup, one ejector, one isolation valve, one pressure sensor, one contact detector and one vent valve. When the suction cup reaches the workpiece, the suction cup is evacuated by the ejector. Before the workpiece reaches the set-down pos

• OT-2026-000009305
  Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,374 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two 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 po

• OT-2026-000009306
  Six cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 892 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one manifold and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off by the

• OT-2026-000009307
  Two cup vacuum gripper, two outlet manifold, two stage ejector, vented after set-down
  September 17, 2026 · Vacuum Grippers · 824 words

  A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one ejector, one manifold, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum circuit is

• OT-2026-000009308
  Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,123 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, one suction cup, one ejector, one isolation valve, one contact detector and one blow-off valve. When the suction cup reaches the workpiece, the suction cup is evacuated by the ejector. Before the workpiece reaches the set-down position, the workpi

• OT-2026-000009309
  Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, vented after set-down
  September 17, 2026 · Vacuum Grippers · 1,093 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, three zone branches, one pressure sensor, one contact detector and one vent valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum

• OT-2026-000009310
  Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 941 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, six suction cups, one ejector, one isolation valve, one manifold and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum circui

• OT-2026-000009311
  Three pad foam vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 965 words

  A foam-pad vacuum gripping tool comprising one mounting flange, three foam pads, one ejector, one manifold, one contact detector and one blow-off valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is blown off b

• OT-2026-000009312
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,337 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one vacuum pump, one isolation valve, 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. After the workpiece has rea

• OT-2026-000009313
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,120 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, three foam pads, one ejector, one isolation valve, one manifold, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. After the workpiece has reached the set-down position, the v

• OT-2026-000009314
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after set-down
  September 17, 2026 · Vacuum Grippers · 860 words

  A suction-cup vacuum gripping tool comprising one mounting flange, three suction cups, one vacuum pump, one isolation valve, one manifold and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. After the workpiece has reached the set-down position, the vacuum ci

• OT-2026-000008317
  Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,064 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, four zone branches, one contact detector and one vent valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum ci

• OT-2026-000008318
  Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,085 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, one pressure sensor and one vent valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. After the workpiece has reached the set-down position, the vacuum circ

• OT-2026-000008319
  Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,183 words

  A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one ejector, one isolation valve, two zone branches, one pressure sensor and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down positio

• OT-2026-000008320
  Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,138 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set-down posi

• OT-2026-000008321
  Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,174 words

  A zoned vacuum gripping tool comprising one mounting flange, four bellows cups, one plant vacuum connection, four 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 plant vacuum connection. Before the workpiec

• OT-2026-000008322
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,405 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, 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-

• OT-2026-000008323
  Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 950 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one isolation valve 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

• OT-2026-000008324
  Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 997 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, 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. After the workpiece has reached the set-down position, the workpiece is

• OT-2026-000008325
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,096 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, three suction cups, one vacuum pump, 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 vacuum pump. After the workpiece has reached the

• OT-2026-000008326
  Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, vented before set-down
  September 17, 2026 · Vacuum Grippers · 880 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one manifold, three zone branches and one vent 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 vacuum circuit is

• OT-2026-000008327
  Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,161 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one pressure sensor, one contact detector and one vent 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 vacuum circuit is vent

• OT-2026-000008328
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 955 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, one manifold and one vent valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. After the workpiece has reached the set-down position, the vac

• OT-2026-000008329
  Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, vented before set-down
  September 17, 2026 · Vacuum Grippers · 1,042 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one manifold, four zone branches, one contact detector and one vent 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 vacuum circuit is

• OT-2026-000008330
  Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,439 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one manifold, two zone branches, two pressure sensors, 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 p

• OT-2026-000008331
  Two cup vacuum gripper, two zone face, plant vacuum fed, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 987 words

  A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, two zone branches, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-dow

• OT-2026-000008332
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,380 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, three 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 work

• OT-2026-000008333
  Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down
  September 17, 2026 · Vacuum Grippers · 1,185 words

  A zoned vacuum gripping tool comprising one mounting flange, four bellows cups, one ejector, one isolation valve, four zone branches, one pressure sensor, one contact detector and one vent valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. After the workpiece has reached th

• OT-2026-000008334
  Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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, four foam pads, one ejector, 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 ejector. After the workpiece has reached the set-down position, th

• OT-2026-000008335
  Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,262 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, one bellows cup, one ejector, one isolation valve, 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 ejector. After the workpiece has reached the set-d

• OT-2026-000008336
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,237 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, four 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. Before the workpiece reaches the set-down pos

• OT-2026-000008337
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,140 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six 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. After the workpiece has reached the set-down posit

• OT-2026-000008338
  Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,322 words

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

• OT-2026-000008339
  Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,456 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one isolation valve, four zone branches, four pressure sensors, one contact detector and one blow-off valve. When the foam pad reaches the workpiece, the foam pad is evacuated by the ejector. After the workpiece has reached th

• OT-2026-000008340
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,355 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 pressure sensor, 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. After

• OT-2026-000008341
  Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 996 words

  A zoned vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one manifold, four 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. After the workpiece has reached the set-down position, the

• OT-2026-000008342
  Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 968 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one manifold, one pressure sensor and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. After the workpiece has reached the set-down position, the workpiece is b

• OT-2026-000008343
  Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,278 words

  A foam-pad vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one isolation valve, 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 position, the wor

• OT-2026-000008344
  Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,182 words

  A suction-cup vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one isolation valve, one manifold, one pressure sensor 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-2026-000008345
  Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,484 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one ejector, one isolation valve, two zone branches, two pressure sensors, 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 reac

• OT-2026-000008346
  Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,096 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one manifold, one pressure sensor 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 i

• OT-2026-000008347
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,281 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, four bellows cups, one ejector, one isolation valve, one manifold, one pressure sensor 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 posi

• OT-2026-000008348
  Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,360 words

  A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one ejector, one manifold, two 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 ejector. Before the workpiece reaches the

• OT-2026-000008349
  Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,180 words

  A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one plant vacuum connection, one manifold, two zone branches, one pressure sensor, one contact detector and one vent valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the plant vacuum connection. After

• OT-2026-000008350
  Six bellows cup vacuum gripper, 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 · 1,244 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, six bellows cups, one plant vacuum connection, one manifold, 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 plant vacuum connection. Before the wor

• OT-2026-000008351
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,278 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, six foam pads, one plant vacuum connection, 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 plant vacuum connection. Before th

• OT-2026-000008352
  Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 1,081 words

  A foam-pad vacuum gripping tool comprising one mounting flange, six 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. After the workpiece has reached the set-down position, t

• OT-2026-000008353
  Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after set-down
  September 17, 2026 · Vacuum Grippers · 970 words

  A suction-cup vacuum gripping tool comprising one mounting flange, one suction cup, one vacuum pump, one pressure sensor, one contact detector and one blow-off valve. When the suction cup reaches the workpiece, the suction cup is evacuated by the vacuum pump. After the workpiece has reached the set-down position, the w

• OT-2026-000008354
  Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,130 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 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 pos

• OT-2026-000008355
  Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, vented after set-down
  September 17, 2026 · Vacuum Grippers · 1,182 words

  A zoned vacuum gripping tool comprising one mounting flange, four bellows cups, one ejector, one manifold, four zone branches, four pressure sensors, one contact detector and one vent valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the ejector. After the workpiece has reached the set