Tolerances
The tables below show the standard tolerances we use for pricing, suitable for most composite tooling. If your project needs tighter tolerances, let us know when ordering, and we’ll accommodate.
CNC milling
Type
Tolerances
Measure Datum
Inspection criteria
Surface profile
±0.2mm
Best fit to CAD data or specified datum
Points evenly distributed over surface with a minimum of 100 inspection points per m² of critical surface area.
Hole Location
±0.1mm
Best fit to CAD data or specified datum
100% inspection
Hole center locations to be detailed on report discrete from other measurements
Hole Diameter
F8
N/A
100% inspection
Hole diameters to be detailed on report as discrete geometric features
General geometric tolerance
ISO 2768-1 medium
ISO 2768-1 fine
N/A
N/A
3d printing - LFAM
Type
Tolerances
Measure Datum
Inspection criteria
Surface profile
±0.5mm
Best fit to CAD data or specified datum
Points evenly distributed over surface with a minimum of 100 inspection points per m² of critical surface area.
Hole Location
±0.1mm
Best fit to CAD data or specified datum
100% inspection
Hole center locations to be detailed on report discrete from other measurements
Hole Diameter
F8
N/A
100% inspection
Hole diameters to be detailed on report as discrete geometric features
General geometric tolerance
ISO 2768-1 medium
ISO 2768-1 fine
N/A
N/A
Inspection accuracy
Item
Details
Metrology equipment
Zeiss T-track scan 20 + t-point
Measuring volume
20m3
Data rate
210,000 points/second
Traceable accuracy
Yes
Accuracy
0.04 mm + 0.04 mm/m