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Clamp Arm Creativity
Weld Fixture Design 101
Clamp pressure adjustment
Use a hex head bolt…
A jam nut
Plate with threaded hole
Plate welded to clamp arm
During Test Weld -- Rotate bolt to adjust pressure on production part
Lanyard removable parts of fixture, so they stay with the fixture.
Pointe
r!
You can useone clamp for holding two parts
This way uses two different threaded fasteners…
This one uses a socket head cap screw right over a jig foot for clamping
Sometimes a pivot point is designed in here
Pointe
r!
Use RAPid Block™, RB00 (Altered) to hold locating pins.
Pointer!
RAPid Block™, RB00
Pointer!
RAPid Shims™
Welding causes heat that deforms production parts.
Do not use compression spring devises unless you have to.
Two production parts …
held with one clamp arm
Using REID compressing spring plunger assemblies
Sometimes to clear the weld gun…
You have to clamp around a corner.
Clamp Finger
Weld Plate Perpendicular to Clamp Arm
Shoulder screw allows for pivot
Set screw & nut for pressure adjustment
Welded plate extends to prevent finger
flop when clamp opens
Finger presses production part onto rest pad.
Use RAPid Shims™ under your rest pads
Pointer!
More Pointers….
…to adjust location of production part during testing of the fixture.
Pointer!
These RAPid Plates™ are also shimmed.
Pointer!
RAPid Blocks™ RB06…
Pointer!
When shop assembles, dowel RB06’s in place, but do not tighten down the fasteners.
Pointer!
When plate is in place…
Pointer!
Tighten these fasteners first….
Pointer!
Tighten these fasteners last.
Pointer!
When precision is needed…
Pointer!
Design in adjustability…
Pointer!
RAPid Block ™RB03
Design in adjustability…
Pointer!
RAPid Shims ™
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