3-Axis, 4-Axis and 5-Axis CNC Machining Centers
Copper
CNC Machining Tolerances
Our CNC machining service at Breton Precision ensures compliance with the ISO 2768-m standard for metal components and adheres to ISO 2768-c for plastic parts. When requiring specific tolerances, please indicate them clearly on your drawing.
Standards |
CNC Milling |
CNC Turning |
Maximum Part Size |
4000×1500×600 mm 157.5×59.1×23.6 in. |
200×500 mm 7.9×19.7 in. |
Minimum Part Size |
4×4 mm 0.1×0.1 in. |
2×2 mm 0.079×0.079 in. |
Minimum Feature Size |
Φ 0.50 mm Φ 0.00197 in. |
Φ 0.50 mm Φ 0.00197 in. |
Standard Tolerances |
Metals: ISO 2768-m |
Metals: ISO 2768-m |
Linear Dimension |
+/- 0.025 mm |
+/- 0.025 mm |
Hole Diameters |
+/- 0.025 mm |
+/- 0.025 mm |
Shaft Diameters |
+/- 0.025 mm |
+/- 0.025 mm |
Edge Condition |
The sharp edges will be replaced through a chamfer or radius. The dimensions of the chamfer, or the radii produced, must be specified on the diagram. |
|
Threads and Tapped Holes |
Diameter: Φ 1.5-5 mm, depth: 3×diameter Diameter: Φ 5 mm or more, depth: 4-6×diameter |
Diameter: Φ 1.5-5 mm, depth: 3×diameter Diameter: Φ 5 mm or more, depth: 4-6×diameter |
Breton Precision can produce threads of any specification and size required by our customers. | ||
Text |
Minimum width of 0.5 mm, depth of 0.1 mm Breton Precision has the ability to employ CNC etching or laser etching to generate typical wording according to the specifications of the clients. |
Breton Precision has the ability to apply laser engraving for producing typical text on CNC machined |
Lead Time |
7 business days |
7 business days |
