Vacuum Grippers

Vacuum Grippers within End Effectors.

Category CAT-000000051

Publications

• OT-2026-000022214
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,002 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off by the

• OT-2026-000022215
  Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,154 words

  A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down position, the workpi

• OT-2026-000022216
  Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,085 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, three 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 workpie

• OT-2026-000022217
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 959 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000022218
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,107 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022219
  Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,259 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down position, the

• OT-2026-000022220
  Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,191 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three 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 w

• OT-2026-000022221
  Four 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 · 1,064 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022222
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,073 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022223
  Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,225 words

  A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down position, the

• OT-2026-000022224
  Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,156 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three 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 w

• OT-2026-000022225
  Four 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 · 1,030 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022226
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,017 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off by the

• OT-2026-000022227
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,117 words

  A zoned vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down positio

• OT-2026-000022228
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,084 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set-down

• OT-2026-000022229
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 959 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000022230
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,122 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022231
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,222 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down p

• OT-2026-000022232
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,190 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set

• OT-2026-000022233
  Four 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 · 1,064 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022234
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,088 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022235
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,188 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down p

• OT-2026-000022236
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,155 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set

• OT-2026-000022237
  Four 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 · 1,030 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022238
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,002 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off by the

• OT-2026-000022239
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,117 words

  A zoned vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down positio

• OT-2026-000022240
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,084 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set-down

• OT-2026-000022241
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 959 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000022242
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,107 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022243
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,222 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down p

• OT-2026-000022244
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,190 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set

• OT-2026-000022245
  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 · 1,064 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022246
  Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,073 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one ejector, one isolation valve, one manifold 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 workpiece is blown off b

• OT-2026-000022247
  Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,188 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one isolation valve, 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 ejector. Before the workpiece reaches the set-down p

• OT-2026-000022248
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,155 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set

• OT-2026-000022249
  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 · 1,030 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022250
  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 · 966 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one plant vacuum connection, one isolation valve, one manifold 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 set-down position, th

• OT-2026-000022251
  Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,078 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one plant vacuum connection, one isolation valve, three zone branches, 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 workpi

• OT-2026-000022252
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,084 words

  A bellows-cup vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set-down

• OT-2026-000022253
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 959 words

  A suction-cup vacuum gripping tool comprising one mounting flange, four suction cups, one ejector, one isolation valve, one manifold and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, the workpiece is blow

• OT-2026-000022254
  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 · 1,071 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold 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 set-down positi

• OT-2026-000022255
  Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,183 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one plant vacuum connection, one isolation valve, three zone branches, 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

• OT-2026-000022256
  Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,155 words

  A bellows-cup vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set

• OT-2026-000022257
  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 · 1,064 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022258
  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 · 1,037 words

  A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one plant vacuum connection, one isolation valve, one manifold 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 set-down positi

• OT-2026-000022259
  Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,149 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one plant vacuum connection, one isolation valve, three zone branches, 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

• OT-2026-000022260
  Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,102 words

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

• OT-2026-000022261
  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 · 1,030 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold 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-2026-000022262
  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 · 951 words

  A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one plant vacuum connection, one isolation valve, one manifold 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 set-down position, th

• OT-2026-000022263
  Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,078 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one plant vacuum connection, one isolation valve, three zone branches, 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 workpi