Inspection Fixtures and Checking Gauges
An inspection fixture presents a part in a known position so measurements mean the same thing every time. Innovat3D designs checking fixtures, go/no-go gauges and CMM holding fixtures for UK quality departments.
Fixtures are designed around the drawing datums, so what is measured matches what is specified.
Problems this solves
- Measurements that vary depending on who takes them
- Flexible or thin parts that measure differently depending on support
- Slow one-off setups on a CMM for routine batch checks
- No quick way to check parts at the machine or on the line
Typical applications
- CMM holding fixtures aligned to drawing datums
- Attribute checking fixtures and go/no-go gauges
- Profile and trim-line checkers
- Hole-position and feature-presence checks
- Line-side quick-check fixtures for operators
Benefits
Datum-correct
Location built on the drawing datum scheme, not convenience.
Repeatable measurement
Same support and constraint on every part measured.
Faster checks
Routine batch checking without a fresh setup each time.
Shop-floor usable
Simple enough for operators to use at the machine.
Who we work with
- Quality and inspection departments
- Subcontract manufacturers supplying to drawing
- Production teams introducing in-process checks
How it works
- 01
Review the drawing
Datums, tolerances and the characteristics that actually need checking.
- 02
Fixture concept
Constraint scheme agreed before detail design.
- 03
Design and manufacture
Built with stable location features and clear part orientation.
- 04
Prove out
Checked against known parts so results can be trusted.
Frequently asked questions
- Can you design a checking fixture from our drawing?
- Yes. The datum scheme and tolerances on the drawing drive the design of the location and support.
- Can inspection fixtures be 3D printed?
- Often yes, particularly for attribute checks and CMM holding. Where measurement uncertainty is critical, stable metal location features are combined with a printed body.
- Do you supply calibration?
- We do not issue calibration certificates. Fixtures are designed so their critical features can be verified and monitored by your quality system.
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View CNC WorkholdingDiscuss your application
Send CAD files, drawings, photographs, dimensions, an existing part or simply a description of the manufacturing problem — whatever you have is enough to start. Based in Stoke-on-Trent, Staffordshire, Innovat3D supports engineering and manufacturing customers throughout the UK.