Complete Vacuum Workholding Systems:
Large Size Precision Vacuum Chucks and Air Venturi Vacuum Pump

These Complete Vacuum Workholding Systems Include Everything Needed to Get Started Vacuum Workholding

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Complete Vacuum Workholding Systems:

Complete Vacuum Workholding Systems include everything needed to get started vacuum workholding.

Each Complete Vacuum Workholding System includes: Large Vacuum Chuck, Vacuum Port Connection Assembly, Gasket Cords, Vacuum Hose Kit Connection, and a 1/4″ NPT Air Venturi Vacuum Pump as the Vacuum Supply., .

  • Choose from 3 sizes of precision flat ground Aluminum Vacuum Chucks which have 1/2″ Gasket Cord grid spacing, each designed with multiple vacuum ports.
    • 13″ x 25″ x 1.5″ Vacuum Chuck.
    • 18″ x 36″ x 1.5″ Vacuum Chuck.
    • 24″ x 48″ x 1.5″ Vacuum Chuck.
  • 1/4″ NPT Air Venturi Vacuum Generator Pump:
    • Simple shop air connected to the Air Venturi Vacuum creates a Vacuum.
    • Straight through filter free design of the Air Venturi Vacuum helps prevent clogging from debris when machining.
  • 1/4″ NPT No Clog Air Exhaust Silencer:
    • For use with the Air Venturi Vacuum.
    • Filter free to prevent clogging from debris.
  • Vacuum Port Assembly:
    • Multiple vacuum ports with shut off valves on each port.
    • Vacuum quick disconnect with shut off valve.
    • Vacuum Gauge.
  • Vacuum Hose Kit Connection:
    • 10 ft hose.
    • 3/8″ connections.
  • Gasket Cords – Two Sizes for use with small and large workpieces:
    • 1/8″ x 5/16″ (50 ft. length)
    • 3/16″ x 5/16″ (50 ft. length)

Custom size Vacuum Chucks are produced in house with quick turn-around time.
Optional Replaceable Top Plates allow for machining and drilling through the workpiece, eliminating possible damage to the surface of the Vacuum Chuck.

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Each Complete Vacuum Workholding System Includes:

Large Vacuum Chuck and Port Assemblies - 3 Sizes Available

Large Vacuum Chuck

  • Determine the size of Vacuum Chuck needed.
  • Choose from 13″ x 25″, 18″ x 36 and 24″ x 48.
  • Includes either 3 Port or 4 Port Assembly.
Air Venturi Vacuum, Gasket Cord, Hose Kit, Exhaust Muffler

Vacuum Pump, Gasket Cord and More

  • 1/4″ NPT Air Venturi Vacuum Generator Pump and Air Silencer.
  • Vacuum Hose Kit Connection.
  • 2 Sizes of Gasket Cord: 1/8″ x 5/16″ and 3/16″ x 5/16″.

Part No. 10815:  13″ x 25″ Vacuum Chuck & Air Venturi Vacuum System Includes:

  • 13” x 25” x 1.5” Vacuum Chuck: Part No. 10813.
  • 3 Port fitting Assembly: Part No. 10816.
  • 1/4″ M NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
  • 1/8″ x 5/16″ Gasket Cord (50 ft.): Part No. 10543 (typically used for smaller workpieces).
  • 3/16″ x 5/16″ Gasket Cord (50 ft.): Part No. 10544 (typically used for larger workpieces).

Replaceable Top Plates are available with varied configurations to protect the surface of your Vacuum Chuck.

Part No. 10552: 18” x 36″ Vacuum Chuck & Air Venturi Vacuum System Includes:

  • 18″ x 36″ x 1.5” Vacuum Chuck: Part No. 10546.
  • 4 Port fitting Assembly: Part No. 10542.
  • 1/4″ M NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
  • 1/8″ x 5/16″ Gasket Cord (50 ft.): Part No. 10543 (typically used for smaller workpieces).
  • 3/16″ x 5/16″ Gasket Cord (50 ft.): Part No. 10544 (typically used for larger workpieces).

Replaceable Top Plates are available with varied configurations to protect the surface of your Vacuum Chuck.

Part No. 10554: 24” x 48″ Vacuum Chuck & Air Venturi Vacuum System Includes:

  • 24” x 48” x 1.5” Vacuum Chuck: Part No. 10547.
  • 4 Port fitting Assembly: Part No. 10550.
  • 1/4″ M NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
  • 1/8″ x 5/16″ Gasket Cord (50 ft.): Part No. 10543 (typically used for smaller workpieces).
  • 3/16″ x 5/16″ Gasket Cord (50 ft.): Part No. 10544 (typically used for larger workpieces).

Replaceable Top Plates are available with varied configurations to protect the surface of your Vacuum Chuck.

Click Image To EnlargeName/DescriptionPart No.Price (ea.)Buy
Complete Large Vacuum Chuck - Venturi System13" x 25" Large Vacuum Chuck and Air Venturi Vacuum Pump, Complete Vacuum System --- This item is able to ship via regular UPS (not Freight). 10815 $1,988.11

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Complete Large Vacuum Chuck - Venturi System18" x 36" Large Vacuum Chuck and Air Venturi Vacuum Pump, Complete Vacuum System --- This is shipped via truck freight and requires lift gate truck access or forklift for delivery. 10552 $2,408.11

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Complete Large Vacuum Chuck - Venturi System24" x 48" Large Vacuum Chuck and Air Venturi Vacuum Pump, Complete Vacuum System --- This is shipped via truck freight and requires lift gate truck access or forklift for delivery. 10554 $3,342.51

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Gasket Cord1/8" x 5/16" Gasket Cord --- For Large Vacuum Chucks. Typically used for Smaller Workpieces10543$49.96

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Gasket Cord
Gasket Cord3/16" x 5/16" Gasket Cord --- For Large Vacuum Chucks. Typically used for Larger Workpieces10544$49.96

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Gasket Cord
3 Port Vacuum Pump Assembly3 Port Vacuum Assembly --- For use with the “13” x 25″ Large Vacuum Chuck.10816$227.52

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3 Port Vacuum Pump Assembly
4 Port Vacuum Pump Assembly4 Port Vacuum Assembly --- For use with the “18” x 36″ Large Vacuum Chuck.10542$267.80

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4 Port Vacuum Pump Assembly
4 Port Vacuum Pump Assembly4 Port Vacuum Assembly --- For use with the “24” x 48″ Large Vacuum Chuck.10550$267.80

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4 Port Vacuum Pump Assembly
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Full Details - Complete Vacuum Workholding Systems: Large Vacuum Chuck & Air Venturi Vacuum Pump

Large Vacuum Chucks

  • 2L Large Vacuum Chucks are produced from flat ground hi-tensile Cast Aluminum plate.
  • Vacuum Chucks Are Shipped Ground Flat.
  • Design allows for skim cut removal of material to reflatten the surface if necessary.
  • Multiple Vacuum Chucks can be used in the same CNC Machine to create extremely large vacuum workholding areas.
  • Precision Vacuum Chucks available in 3 standard sizes.
    • 13″ x 25″ x 1.5″.
    • 18″ x 36″ x 1.5″.
    • 24″ x 48″ x 1.5″.
  • Special grid design:
    • Maximizes vacuum holding power.
    • Allows for removing material from the top surface if the Vacuum Chuck is damaged during use or if the Vacuum Chuck needs to be re-machined flat.
  • 1/2″ spacing between the Gasket Cord Slots.
    • Provides for flexible workpiece placement.
    • Optimizes table space.
    • Optimizes the amount of workpiece exposed to the vacuum.
  • Threaded holes on the face of the chuck can be used for vacuum, clamping, and allows for easy attachment of Workstops for aligning workpieces.
  • Each size Vacuum Chuck has a specified number of Vacuum Holes. Review each Vacuum Chuck Specification below for details.

Vacuum Ports and Connection Assemblies

  • Each Vacuum Chuck has individual Vacuum Ports with multiple vacuum holes per port which allow for flexible use of the entire top surface.
  • Each port can be shut off individually.
  • The 18” x 36”, and 24” x 48” Vacuum Chucks have four vacuum ports.
  • The 13” x 25” Vacuum Chuck has three vacuum ports.

Air Venturi Vacuum Pump

  • The included 1/4″ NPT Air Venturi Vacuum Generator Pump creates a vacuum using compressed air.
  • Solid Anodized Aluminum construction allows for use in harsh, dirty environments and clean rooms.
  • Straight through, filter free design helps prevent clogging from debris when machining.
  • Vacuum is created by supplying compressed air to the supply port.
  • When air pressure is applied, the Air Venturi Vacuum creates a vacuum at one end and the air is exhausted out the other end.

Gasket Cord, Hold Down and Locating Workpieces

  • Quickly seal off the vacuum holding area by using 2 different size Gasket Cords.
  • 1/8″ x 5/16″ Gasket Cord (50 ft.): Part No. 10543 (typically used for smaller workpieces).
  • 3/16″ x 5/16″ Gasket Cord (50 ft.): Part No. 10544 (typically used for larger workpieces).
  • Quick Vacuum Gasket Cord placement allows easy workpiece size changes.
  • Hex Workstops, Adjustable Edgeclamps, Side and End Workstops locate the workpiece consistently.

1/4″ NPT No-Clog Silencer

  • Threads onto the Air Venturi Vacuum Generator Pump.
  • Used to quiet air exhausted from the Air Venturi Vacuum Pump.
  • Straight through, filter free design of both the Air Silencer and Air Venturi Vacuum Pump limits possible clogging by debris.
  • Anodized Aluminum construction.

Drill-Through Workpieces

  • Replaceable Top Plates and the low slip Vacuum Gasket Sheets allow drilling through and machining around the outside of the workpieces without damage to the Vacuum Chuck.
  • Replaceable Top Plates to prevent damage to the Vacuum Chuck when cutting through workpieces, and custom fixtures and top plates.
  • Optional Replaceable Top Plates allow for machining and drilling through the workpiece, eliminating possible damage to the surface of the Vacuum Chuck.
  • Replaceable Top Plates Are Shipped Ground Flat.
  • The design allows for skim cut removal of material to reflatten the surface if necessary.

Custom size Vacuum Chucks are produced in house with quick turn-around time.

Full Details - 13" x 25" Vacuum Chuck & Air Venturi Vacuum Pump, Complete Vacuum Workholding System:
  • The 13″ x 25″ Vacuum Chuck is small enough Vacuum Chuck that it is manageable in size and weight for operators to more easily move the vacuum chuck to machine workspaces as needed.
  • Produced from flat ground hi-tensile cast aluminum plate.
  • 1/2″ spacing between the Gasket Cord Slots.
  • Additional threaded holes in the top surface of the Vacuum Chuck allow for use of Workstops to align workpieces and to attach a Replaceable Top Plate.
  • 3 vacuum holes per vacuum port for a total of 9 individual vacuum holes.
  • 9 individual vacuum holes allow for flexible use of the entire top surface of the Vacuum Chuck workspace.
  • 3 Port Vacuum Assembly includes Vacuum Gauge and multiple Air Shut Off Valves.
  • Each of the 3 vacuum ports can be shut off individually.
  • Included Vacuum Hose Kit allows vacuum source to be located away from your machine.

This Complete System Includes:

  • 13” x 25” x 1.5” Vacuum Chuck: Part No. 10813.
  • 3 Port fitting Assembly: Part No. 10816.
  • 1/4″ NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
    • 10 feet hose length, 5/8″ ID-7/8″OD.
    • 2 – 5/8″ hose barbs.
    • 2 – 3/8″ F NPT-1/4″ M NPT hex adaptors.
    • Hose clamp.
  • Two Gasket Cord sizes.
    • Gasket Cord for smaller workpieces, 1/8″ x 5/16″ (Part No. 10543).
    • Gasket Cord for larger workpieces, 3/16″ x 5/16″ (Part No. 10544).
Full Details - 18" x 36" Vacuum Chuck & Air Venturi Vacuum Pump, Complete Vacuum Workholding System:
  • The 18″ x 36″ Vacuum Chuck is produced from flat ground hi-tensile cast aluminum plate.
  • 1/2″ spacing between the Gasket Cord Slots.
  • Additional threaded holes in the top surface of the Vacuum Chuck allow for use of Workstops to align workpieces and to attach a Replaceable Top Plate.
  • 4 vacuum ports with 4 vacuum holes per vacuum port for a total of 16 individual vacuum holes.
  • The 16 individual vacuum holes allow for flexible use of the entire top surface of the Vacuum Chuck workspace.
  • The 4 Port Vacuum Assembly includes Vacuum Gauge and multiple Air Shut Off Valves.
  • Each of the 4 vacuum ports can be shut off individually.
  • Included Vacuum Hose Kit allows vacuum source to be located away from your machine.

This Complete System Includes:

  • 18″ x 36″ x 1.5” Vacuum Chuck: Part No. 10546.
  • 4 Port fitting Assembly: Part No. 10542.
  • 1/4″ NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
    • 10 feet hose length, 5/8″ ID-7/8″OD.
    • 2 – 5/8″ hose barbs.
    • 2 – 3/8″ F NPT-1/4″ M NPT hex adaptors.
    • Hose clamp.
  • Two Gasket Cord sizes.
    • Gasket Cord for smaller workpieces, 1/8″ x 5/16″ (Part No. 10543).
    • Gasket Cord for larger workpieces, 3/16″ x 5/16″ (Part No. 10544).
Full Details - 24" x 48" Vacuum Chuck & Air Venturi Vacuum Pump, Complete Vacuum Workholding System:
  • The 24″ x 48″ Vacuum Chuck is produced from flat ground hi-tensile cast aluminum plate.
  • 1/2″ spacing between the Gasket Cord Slots.
  • Additional threaded holes in the top surface of the Vacuum Chuck allow for use of Workstops to align workpieces and to attach a Replaceable Top Plate.
  • 4 vacuum ports with 4 vacuum holes per vacuum port for a total of 16 individual vacuum holes.
  • The 16 individual vacuum holes allow for flexible use of the entire top surface of the Vacuum Chuck workspace.
  • Each of the 4 vacuum ports can be shut off individually.
  • The 4 Port Vacuum Assembly includes Vacuum Gauge and multiple Air Shut Off Valves.
  • Included Vacuum Hose Kit allows vacuum source to be located away from your machine.

This Complete System Includes:

  • 24″ x 48″ x 1.5” Vacuum Chuck: Part No. 10547.
  • 4 Port fitting Assembly: Part No. 10550.
  • 1/4″ NPT Air Venturi Vacuum Pump: Part No. 10033.
  • No-Clog Air Silencer/Muffler: Part No. 10031.
  • Vacuum Hose Kit: Part No. 10262.
    • 10 feet hose length, 5/8″ ID-7/8″OD.
    • 2 – 5/8″ hose barbs.
    • 2 – 3/8″ F NPT-1/4″ M NPT hex adaptors.
    • Hose clamp.
  • Two Gasket Cord sizes.
    • Gasket Cord for smaller workpieces, 1/8″ x 5/16″ (Part No. 10543).
    • Gasket Cord for larger workpieces, 3/16″ x 5/16″ (Part No. 10544).
Air Venturi Vacuum:
  • The 1/4″ NPT Air Venturi Vacuum Generator Pump creates a vacuum using compressed air.
  • The Air Venturi Vacuum’s Solid Anodized Aluminum construction allows for use in harsh, dirty environments and clean rooms.
  • Its’ straight through, filter free design helps prevent clogging from debris when machining.
  • The vacuum operates by supplying compressed air to the supply port.
  • When air pressure is applied, the Air Venturi Vacuum creates a vacuum at one end and the air is exhausted out the other end.
  • Vacuum Flow (SCFM): 4.5
    Amount of Supply Air Used (SCFM): 5
    Diameter of straight through vacuum flow path (Bore Diameter): 0.20″ (5 mm)
  • Workholding / Fixturing calculations:
    Hold down force is calculated simply by:
    Force = (area of part being held in sq. in.) x (vacuum in psi).For Example, if you are using a 3″ round suction cup to hold a part the force applied to the part is:
    7.069 x 11.8 psi = 83 lbs. of holding force (For reference: 24″ HG=11.8 psi)
    Where 7.069 is the area of the circle (πr2) = 3.14159 x 1.52

 

Hold Down Force / Workholding / Fixturing Calculations for Air Venturi Vacuums

Hold down force is calculated simply by: Force = (area of part being held in sq. in.) x (vacuum in psi)

For example:
If you are using a 3″ round suction cup to hold a part the force applied to the part is:
7.069 x 11.8 psi = 83 lbs. of holding force (For reference: 24″ HG=11.8 psi)
Where 7.069 is the area of the circle (πr2) = 3.14159 x 1.52

Remember to allow for a safety factor.

The typical supply air consumption rates and vacuum flow rates are listed in the tables below.

 

Air Usage and Vacuum Flow Data at Maximum Vacuum for Air Venturi Vacuums
Air Venturi Vacuum Part No. Vacuum Flow (SCFM) at Maximum Vacuum Amount of Supply Air Used (SCFM) at Maximum Vacuum Diameter of Straight Through vacuum Flow Path (Bore Diameter)
10-32 Vacuum (Aluminum) 11108 0.8 0.8 0.09″ (2.3 mm)
1/16″ NPT Vacuum (Aluminum) 11072 0.8 0.8 0.09″ (2.3 mm)
1/16″ NPT Vacuum (PTFE) 11082 0.8 0.8 0.09″ (2.3 mm)
1/8″ NPT Vacuum (Aluminum) 11073 2.0 2.2 0.14″ (3.5 mm)
1/8″ NPT Vacuum (PTFE) 11087 1.8 2.0 0.14″ (3.5 mm)
1/4″ NPT Vacuum (Aluminum) 10033 4.5 5.0 0.20″ (5 mm)
1/4″ NPT Vacuum (PTFE) 11092 4.0 4.0 0.20″ (5 mm)
3/8″ NPT Vacuum (Aluminum) 11103 7.0 8.0 0.265″ (6.7 mm)
3/8″ NPT Vacuum (Aluminum) 10186 15.0 15.0 0.375″ (9.5 mm)

The maximum vacuum levels are obtained by rotating the back end of the vacuum.

 

Air Usage and Vacuum Flow at 80 psi for Reduced Vacuum Levels for Air Venturi Vacuums
Air Venturi Vacuum
(Aluminum) Description
Part
No.
At
24″ HG
Vacuum
At
20″ HG
Vacuum
At
15″ HG
Vacuum
At
10″ HG
Vacuum
Vacuum Flow (SCFM) Amount of Supply Air used (SCFM) Vacuum Flow (SCFM) Amount of Supply Air Used (SCFM) Vacuum Flow (SCFM) Amount of Supply Air Used (SCFM) Vacuum Flow (SCFM) Amount of Supply Air Used (SCFM)
1/4″ NPT Vacuum
(Aluminum)
10033 4.5 5.0 4.5 3.0 4.5 2.0 4.0 2.0

The reduced vacuum levels are obtained by rotating the back end of the vacuum.

Vacuum Hose Kit:

Each Complete System includes Vacuum Hose Kit: Part No. 10262 which is comprised of the following components.

  • 10 feet hose length, 5/8″ ID-7/8″OD.
  • 2 – 5/8″ hose barbs.
  • 2 – 3/8″ F NPT-1/4″ M NPT hex adaptors.
  • Hose clamp.
Gasket Cord:

All Large Size Vacuum Chucks are designed to use two Gasket Cord sizes.

  • Gasket Cord for smaller workpieces, 1/8″ x 5/16″ (Part No. 10543).
  • Gasket Cord for larger workpieces, 3/16″ x 5/16″ (Part No. 10544).
No Clog Air Exhaust Mufflers/Silencers :
  • Includes No-Clog Air Silencer/Muffler: Part No. 10031.
  • 1/4″ NPT No-Clog Silencer threads onto the Air Venturi Vacuum Generator Pump.
  • The Silencer is used to quiet air exhausted from the Air Venturi Vacuum Pump.
  • The straight through, filter free design of both the Air Silencer and Air Venturi Vacuum Pump limits possible clogging by debris.
  • Anodized Aluminum construction.
  • See all No-Clog Air Exhaust Silencers/Pneumatic Mufflers.
Replaceable Top Plates - Protect the Surface of the Vacuum Chuck:

Protect the Surface of the Vacuum Chuck:

  • Replaceable Drill Through Top Plates connect to the top surface of the Vacuum Chuck.
  • Top Plates prevent damage to the Vacuum Chuck when cutting through workpieces.
  • Several sizes are available separately.