CNC Machining


At Datum we provide CNC machining services to produce micro milled sheet metal and foil to tight tolerances.

Our precision, CNC milling machine mills shapes, contours and pockets in the surface of metal as thin as 0.05mm up to 0.50mm thick.  Other thicknesses can be discussed.
We can also mill steps and pockets as a second operation carried out after laser cutting that produces microscale features on your components. These processes together give you the precision and repeatability of laser cutting and micromachining and the flexibility of etching.

Datum supplies customised micro-profiled sheet and foil ready to be laser cut to stencils, offering significantly improved levels of positional accuracy, surface finish and transition control for small geometries.

Get in touch with our team for your CNC machined requirements on:

+44 (0) 1548 855 900 (UK & Europe)

+1 607 239 6274 (US)

+65 3157 0394 (Singapore)

CNC Machining
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CNC Milling
CNC Milling
CNC Milling
CNC Milled Parts
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Product Details

Datum micro-profiling produces steps on the foil with the following benefits critical to the SMT process.

• Z- Axis dimensional accuracy within 5μm
• Complete edge control ensures a consistent angle and radius allowing apertures to be designed closer to steps and pockets.
• A more gradual transition in stepped areas can extend the life of the squeegee and stop paste build up within the transition.
• Surface finish approaching or the same as virgin cold roll PHD or Tension stencil materials. Guaranteed < 0.50 μm but typically < 0.30 μm.
These features reduce variability within the print process and help deliver certainty.

With facilities located in the UK and US—Datum has the ability to service our customers globally and across regional and market needs.

Parameter

Value

Max machining area 600mm x 400mm
Sheet width tolerance ±0.5mm
Sheet length tolerance ±0.5mm
Max material thickness 2mm
Min material thickness 0.05mm
X and Y Axis Positional tolerance TBC
X and Y Axis Combined Positional tolerance TBC
Z Depth Tolerance ±0.005mm
X and Y overall dimensional tolerance TBC
X – Y Plane Circularity 0.005mm
Parallelism TBC
Perpendicularity TBC
Surface finish <0.25 Ra
Material Types Stainless Steel

Parameter

Value

Max machining area 1000mm x 700mm
Sheet width tolerance ±0.5mm
Sheet length tolerance ±0.5mm
Max material thickness 2mm
Min material thickness 0.05mm
X and Y Axis Positional tolerance TBC
X and Y Axis Combined Positional tolerance TBC
Z Depth Tolerance ±0.005mm
X and Y overall dimensional tolerance TBC
X – Y Plane Circularity 0.083mm
Parallelism TBC
Perpendicularity TBC
Surface finish <0.20 Ra
Material Types Stainless Steel