Valves and Manifolds

Valves and Manifolds within Fluid Power.

Category CAT-000000230

Publications

• OT-2026-000014810
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,223 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 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

• OT-2026-000014811
  Three 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 · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one plant vacuum connection, one isolation valve, three zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the

• OT-2026-000014812
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,178 words

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

• OT-2026-000014813
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,162 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. Before the workpiece reaches the set

• OT-2026-000014814
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,189 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 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

• OT-2026-000014815
  Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 945 words

  A zoned vacuum gripping tool comprising one mounting flange, three suction cups, one plant vacuum connection, one isolation valve, three zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the set-do

• OT-2026-000014816
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,144 words

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

• OT-2026-000014817
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,128 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. Before the workpiece reaches the set

• OT-2026-000014818
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,238 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 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

• OT-2026-000014819
  Three 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 · 1,050 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one plant vacuum connection, one isolation valve, three zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the

• OT-2026-000014820
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,073 words

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

• OT-2026-000014821
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,057 words

  A suction-cup vacuum gripping tool comprising one mounting flange, 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. Before the workpiece reaches the set-down

• OT-2026-000014822
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,204 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 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

• OT-2026-000014823
  Three 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 · 1,016 words

  A zoned vacuum gripping tool comprising one tool-change interface, three suction cups, one plant vacuum connection, one isolation valve, three zone branches and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece reaches the

• OT-2026-000014824
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,178 words

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

• OT-2026-000014825
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,162 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. Before the workpiece reaches the set

• OT-2026-000014826
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,118 words

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

• OT-2026-000014827
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 990 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the workpie

• OT-2026-000014828
  Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,144 words

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

• OT-2026-000014829
  Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,128 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. Before the workpiece reaches the set

• OT-2026-000014830
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,223 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 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

• OT-2026-000014831
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,095 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w

• OT-2026-000014832
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,091 words

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

• OT-2026-000014833
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,075 words

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

• OT-2026-000014834
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,189 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 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

• OT-2026-000014835
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,061 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w

• OT-2026-000014836
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,196 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-2026-000014837
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,180 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down pos

• OT-2026-000014838
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,133 words

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

• OT-2026-000014839
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 990 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the workpie

• OT-2026-000014840
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,162 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-2026-000014841
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,146 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down pos

• OT-2026-000014842
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,238 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 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

• OT-2026-000014843
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,095 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w

• OT-2026-000014844
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,091 words

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

• OT-2026-000014845
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,075 words

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

• OT-2026-000014846
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,204 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 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

• OT-2026-000014847
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,061 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w

• OT-2026-000014848
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,196 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-2026-000014849
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,180 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down pos

• OT-2026-000014850
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,118 words

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

• OT-2026-000014851
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 990 words

  A zoned vacuum gripping tool comprising one mounting flange, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the workpie

• OT-2026-000014852
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,162 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-2026-000014853
  Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,146 words

  A suction-cup vacuum gripping tool comprising one tool-change interface, four suction cups, one ejector, one isolation valve, one manifold, one contact detector and one blow-off valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down pos

• OT-2026-000014854
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,223 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 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

• OT-2026-000014855
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,095 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w

• OT-2026-000014856
  Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,091 words

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

• OT-2026-000014857
  Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down
  September 17, 2026 · Vacuum Grippers · 1,075 words

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

• OT-2026-000014858
  Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,189 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 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

• OT-2026-000014859
  Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer
  September 17, 2026 · Vacuum Grippers · 1,061 words

  A zoned vacuum gripping tool comprising one tool-change interface, three bellows cups, one vacuum pump, one isolation valve, three zone branches 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 position, the w