Vacuum Sensors

Vacuum Sensors within Force and Pressure Sensing.

Category CAT-000000254

Publications

OT-2026-000057761
Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,085 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position
OT-2026-000057762
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,201 words
A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down posit
OT-2026-000057763
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,357 words
A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, 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 plant vacuum connection. Before the w
OT-2026-000057765
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,000 words
A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece rea
OT-2026-000057766
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,306 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057767
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,322 words
A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, 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 plant vacuum connection. Before the w
OT-2026-000057769
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,106 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpie
OT-2026-000057770
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,272 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057771
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
September 17, 2026 · Vacuum Grippers · 1,236 words
A zoned vacuum gripping tool comprising one mounting flange, one foam pad, one plant vacuum connection, 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 plant vacuum connection. Before the workpie
OT-2026-000057773
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,071 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpie
OT-2026-000057774
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,216 words
A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down posit
OT-2026-000057775
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,342 words
A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, 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 plant vacuum connection. Before the w
OT-2026-000057777
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,000 words
A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpiece rea
OT-2026-000057778
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,321 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057779
Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,307 words
A zoned vacuum gripping tool comprising one tool-change interface, one foam pad, one plant vacuum connection, 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 plant vacuum connection. Before the w
OT-2026-000057781
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,106 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpie
OT-2026-000057782
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,287 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057783
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
September 17, 2026 · Vacuum Grippers · 1,199 words
A zoned vacuum gripping tool comprising one mounting flange, two suction cups, one plant vacuum connection, 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 plant vacuum connection. Before
OT-2026-000057785
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,071 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the plant vacuum connection. Before the workpie
OT-2026-000057786
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,201 words
A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one ejector, one isolation valve, one manifold, one pressure sensor, one contact detector and one vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down posit
OT-2026-000057787
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,305 words
A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, 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 plant vacuum connection. B
OT-2026-000057789
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 998 words
A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down positi
OT-2026-000057790
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,306 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057791
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,270 words
A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, 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 plant vacuum connection. B
OT-2026-000057793
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,104 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down
OT-2026-000057794
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,272 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the ejector. Before the workpiece reaches the set-down
OT-2026-000057795
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
September 17, 2026 · Vacuum Grippers · 1,199 words
A zoned vacuum gripping tool comprising one mounting flange, two suction cups, one plant vacuum connection, 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 plant vacuum connection. Before
OT-2026-000057797
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,069 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down
OT-2026-000057798
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,166 words
A foam-pad vacuum gripping tool comprising one mounting flange, two 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 the work
OT-2026-000057799
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,305 words
A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, 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 plant vacuum connection. B
OT-2026-000057801
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 998 words
A suction-cup vacuum gripping tool comprising one mounting flange, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down positi
OT-2026-000057802
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,271 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before th
OT-2026-000057803
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,270 words
A zoned vacuum gripping tool comprising one tool-change interface, two suction cups, one plant vacuum connection, 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 plant vacuum connection. B
OT-2026-000057805
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,104 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down
OT-2026-000057806
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,237 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before th
OT-2026-000057807
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down
September 17, 2026 · Vacuum Grippers · 1,209 words
A zoned vacuum gripping tool comprising one mounting flange, two bellows cups, one vacuum pump, one manifold, two zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches th
OT-2026-000057809
Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,069 words
A suction-cup vacuum gripping tool comprising one tool-change interface, two suction cups, one vacuum pump, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the vacuum pump. Before the workpiece reaches the set-down
OT-2026-000057810
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,151 words
A foam-pad vacuum gripping tool comprising one mounting flange, two 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 the work
OT-2026-000057811
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,315 words
A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one vacuum pump, one manifold, two zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reac
OT-2026-000057813
Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,014 words
A suction-cup vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, th
OT-2026-000057814
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,256 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 vent valve. When the foam pads reach the workpiece, the foam pads are evacuated by the plant vacuum connection. Before th
OT-2026-000057815
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,280 words
A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one vacuum pump, one manifold, two zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reac
OT-2026-000057817
Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,120 words
A suction-cup vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down positi
OT-2026-000057818
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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, two 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-2026-000057819
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down
September 17, 2026 · Vacuum Grippers · 1,209 words
A zoned vacuum gripping tool comprising one mounting flange, two bellows cups, one vacuum pump, one manifold, two zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reaches th
OT-2026-000057821
Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,085 words
A suction-cup vacuum gripping tool comprising one tool-change interface, three suction cups, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down positi
OT-2026-000057822
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,198 words
A foam-pad vacuum gripping tool comprising one mounting flange, two foam pads, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the set-do
OT-2026-000057823
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,315 words
A zoned vacuum gripping tool comprising one tool-change interface, two bellows cups, one vacuum pump, one manifold, two zone branches, one pressure sensor, one contact detector and one blow-off valve. When the bellows cups reach the workpiece, the bellows cups are evacuated by the vacuum pump. Before the workpiece reac
OT-2026-000057825
Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down
September 17, 2026 · Vacuum Grippers · 1,014 words
A suction-cup vacuum gripping tool comprising one mounting flange, three suction cups, one ejector, one manifold, one pressure sensor, one contact detector and one vent valve. When the suction cups reach the workpiece, the suction cups are evacuated by the ejector. Before the workpiece reaches the set-down position, th
OT-2026-000057826
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down, on a tool changer
September 17, 2026 · Vacuum Grippers · 1,303 words
A foam-pad vacuum gripping tool comprising one tool-change interface, two foam pads, one vacuum pump, 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 vacuum pump. Before the workpiece reaches the