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Checking fixtures
Dimensional verification fixtures for stamped, molded and tubular parts, with physical datums, clamps and profile gages.
Service 01
Checking fixtures & gages
The fixture decides whether the part passes. We treat it with that weight: designed from the measurement strategy first, machined from stable material, and delivered qualified against the master part.
Checking fixturesHolding fixturesGo/no-go gagesWeld fixturesInspection racks
Types
What we build
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Holding fixtures
Work-holding for machining, welding and assembly. Repeatable positioning and quick-change where cycle time demands it.
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Go / no-go gages
Pass/fail gages for diameters, slots, threads and hole position. Hardened and ground tool steel.
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Weld fixtures
Welding jigs with rigid structure, isolation where required and clear operator access.
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Piercing fixtures
Bases and guides for tube and sheet piercing, including replaceable cutting components.
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Inspection & handling racks
Custom structures for in-line handling and verification, with nests machined to the real part profile.
Process
How a fixture is born here
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We define the measurement strategy
Before anything is drawn, we agree on which characteristics are controlled, against which datums and with what acceptance criteria. That is where a fixture is won or lost.
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CAD design and your sign-off
We model the complete fixture and send it for review before cutting material. Changes on screen are free; changes at the bench are not.
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Component machining
Ground base plates, posts, nests and gages machined on CNC. Components that get heat treated are wire-cut after hardening.
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Assembly and adjustment
Built, aligned and adjusted against the master part you supply or against the nominal model.
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Qualification and delivery
Dimensional report, marked components and a usage instruction sheet. When wear parts go out of tolerance later, you replace the component, not the fixture.
Engineering detail
What makes a fixture repeat
A fixture can leave the shop dimensionally perfect and still fail on the floor. The causes are almost always the same, and all of them are handled in design, not in final adjustment.
Material stability
Base plates are machined from pre-stabilized material and ground for flatness and parallelism. A plate that moves after machining drags every datum with it.
Physical datums, not symbolic ones
Primary, secondary and tertiary locators are built into the fixture with the same hierarchy the print declares. If the print changes datums, the fixture is redesigned — not shimmed.
Replaceable wear components
Pins, bushings, gages and contact surfaces are designed as independent, marked, reproducible parts. When they wear, you swap the component in hours instead of sending the whole fixture out for weeks.
Evidence from day one
Every fixture ships with its dimensional report. That is your baseline: a year from now, when someone questions the gage, there is something to compare against.
Fixture questions
Do I need to supply a master part?
It helps a great deal but is not mandatory. Without one we qualify against the nominal model and deliver the deviation report. If you have the part but not the model, we scan it.
How long does a complete fixture take?
It depends on size and how many control elements it carries. A simple fixture is typically two to three weeks; a large one with multiple clamps and gages takes longer. The quote carries a committed date, not a vague range.
Can you repair a fixture you did not build?
Yes, and we do it often. We scan it, capture the as-built condition, tell you what is out of tolerance and quote the correction. Sometimes remaking a component is cheaper than continuing to adjust the original.
Do you release the fixture CAD?
Yes, when the scope includes it. Model in STEP and drawings in PDF, so it lives in your tooling archive.