Products >> Workholding >> Unilock
UNILOCK: ZERO POINT CLAMPING SYSTEM
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UNILOCK utilizes spring pressure to drive wedges against a tapered wedge lock (clamping knob). Air pressure is used to compress the springs, releasing the wedge lock. Clamping is achieved by bleeding the air pressure out of the chuck. To facilitate palletization, the clamping knob is attached to a base plate, fixture or directly to a workpiece. The result is quick and repeatable clamping.
A product of: 
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UNILOCK Specifics:
- Clamping Mechanism: Heavy-duty die springs
- Chuck Opening: Air pressure compresses springs
- Clamping Stability: Low profile with matching taper wedges
- Positional Accuracy: Adaptable to workpiece conformation
- Unlocking Air Pressure: 75 PSI
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ASM 120
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Features:
- Integrated toe clamp lip
- Reduced diameter for small work or tight spaces
- Jig ground reference pin location on bottom of chuck
- Air supply from bottom or side of chuck
- Optional reference pin hole in face of chuck
- Non-air mechanical version available
Click here for Technical Drawings
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The manual version comes with a
handle for easy opening and closing. |
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ESM 138
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EFM 138 |
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Features:
- Reduced diameter for small work or tight spaces
- Turbo option for increasing holding power
- Air supply from bottom or side of chuck
- Optional reference notch in face of chuck
Click here for Technical Drawings
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The flange version reduces projection height and is easily mounted in
thinner walled tombstones. |
Chucks for Your Smaller Applications
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Zero Point Chuck ASM 90
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Features:
- Reduced diameter for small work or tight spaces
- Integrated toe clamp lip
- Turbo option for increasing holding power
- Air supply from bottom or side of chuck
- Optional reference notch in face of chuck
Click here for Technical Drawings
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Zero Point Chuck ESM 100/75
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Features:
- Flange mounting design
- Reduced size for small work or tight spaces
- High clamping force in a small package
- Edge of chuck can be used as a timing surface
- Turbo option for increased holding power
Click here for Technical Drawings
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Larger More Robust Chucks
MSM 170
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Features:
- Large diameter, heavy duty mechanical clamping
- Clamping lip for topside table clamping
- Threaded holes for bottom side clamping to plates
- Integrated timing notch locations every 90 degrees
- Air supply from bottom or side of chuck
Click here for Technical Drawings
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ESM 176 Turbo
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Features:
- Flange design for topside mounting
- Large diameter with turbo-clamping for more rigidity
- Air supply from bottom or side of chuck
- Optional reference notch in face of chuck
Click here for Technical Drawings
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Optional reference notch chuck |
HSM 196
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Features:
- Large Diameter
- Turbo Feature for more rigidity
- Flange design for topside mounting
- Air ports on bottom and side
- 3 clamping rams for more stable clamping
- ø61mm access hole
- 2240 lb-f (10,000 N) pull down force
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Optional reference notch
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Single Table Chucks
MCM 150
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The MCM 150 is prepared to accept 4 hardened 12mm index
bushings, one every 90 degrees. Order 1 index bushing to orient a
pallet with a single knob. If you need to execute multiple 90 degree
indexes, additional bushings can be installed.
Click here for Technical Drawings
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MLM 150
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Features:
- Base plate for mounting on machine tables
- Air supply from side of base plate
- 4 x 90 degree indexing on MCM version
- Optional timing notch in face of MLM chuck
- Key ways on bottom for positioning on work table
Click here for Technical Drawings
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For applications where a timing pin is
required, the MLM series of chucks can be
ordered with a timing pin notch integrated
into the face of the UNILOCK chuck.
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Double Table Chucks
DCM 200
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Features:
- Base plate for mounting on machine tables
- Air supply from side of base plate
- 4 x 90 degree indexing on DCM version
- Optional timing notch in face of DLM chuck
- Key ways on bottom for positioning on work table
Click here for Technical Drawings
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DLM 200
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The DLM 200 chuck does not have timing pin bushing
locations. If you want to orient a double pallet with
this chuck, add one timing pin notch. If you need to run 2 single pallets add a timing notch for each chuck.
Click here for Technical Drawings
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Optional 14mm timing notch on DLM 200 chuck
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Electrostatic Discharge Machining
EDM 100/150
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Features:
- Thin Profile = 39mm
- Turbo
- Multiple mounting surfaces
- Optional air block supplies air to pallet
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UNILOCK Pneumatics Kits
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Kits Include:
- BSP & NPT fittings
- 10 feet of tubing
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Mount Knobs to Your Pallets and Workpieces
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UNILOCK clamping knobs can be attached to fixtures or directly to
workpieces. Our standard knobs can be mounted in a blind hole
from the bottom or pulled up from the top.
Standard clamping knobs have a metric positioning boss
which is ø25mm in diameter and ground to a fit of h6 tolerance. This
boss is 5mm tall. The overall measurements of the clamping
knob is ø40mm by 40mm tall.
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Standard clamping
knobs accept the following:
1. M12 set screw - The set screw is threaded into the
clamping knob and also the workpiece or fixture.
2. M10 cap screw - The screw passes through the clamping
knob and threads into the workpiece or fixture.
3. M12 cap screw - The cap screw passes through the part
or fixture and pulls the clamping knob up into position.
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The A Knob is ground to fit with the center ground
taper of the chuck. This fit establishes centerline
location. This location will repeat to better than
± .0001 inches.
The B Knob is ground like a diamond pin and orients
your work relative to the centerline of the SBA knob.
The C Knob is ground undersize to provide downward clamping only. It will bring the
bottom of the workpiece or fixture down on the top
of the UNILOCK chuck. Additional clearance sizes available. |
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UNILOCK Workholding Applications in Action
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