3-Axis, 4-Axis and 5-Axis CNC Machining Centers
Plastics
POM |
PEEK |
HDPE |
PET |
Nylon |
PTFE |
PVC |
PP |
ABS |
PC |
PMMA |
CNC Machining Tolerances
In regard to metals, our Breton Precision CNC machining solution conforms to the ISO 2768-m guideline, while for plastics, we adhere to ISO 2768-c. When specifying unique tolerances, ensure they are distinctly labeled on your design.
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 |
Angular edges will be altered through chamfering or rounding. The dimension of the chamfer or resultant radii must be denoted 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 has the ability to manufacture threads with all specifications needed by our clientele. | ||
Text |
Minimum width of 0.5 mm, depth of 0.1 mm Breton Precision can utilize CNC etching or laser cutting to produce standard language tailored to client needs. |
Breton Precision has the ability to employ laser engraving for generating standard text on CNC-manufactured components. |
Lead Time |
7 business days |
7 business days |