CNC-Bohren

Parameter

Spezifikation

Recommended Guidelines

Benefits

Mindest-Lochdurchmesser

Minimum diameter of 0.020” (0.50 mm) depending on tool availability.

Use larger diameters for better chip evacuation and reduced tool wear.

Improves efficiency and reduces tool wear.

Hole Depth-to-Diameter Ratio

Recommended maximum depth of 4× diameter for optimal performance.

For deeper holes, consider using reaming or boring processes to enhance accuracy.

Achieves precision in deeper holes.

Hole Spacing Guidelines

Maintain adequate space between holes to avoid tool interference.

Minimum spacing of 2× diameter is ideal for precision holes.

Prevents tool interference and improves results.

Tolerance Callouts

Tolerances for CNC drilling range from ±0.001” to ±0.005” depending on complexity.

Specify precise tolerance levels based on the material and hole size for better accuracy.

Achieves exact specifications and quality.

Unterschneidet

Support profiles like square, full radius, and dovetail.

Avoid excessive undercuts, as they may require specialized tooling and increase cost.

Ensures clean and efficient cuts.

Threaded Holes

Thread depth should be 3× the diameter for small threads (Ø1.5-6 mm).

Custom threads available for specific applications like aerospace and medical.

Adds versatility for fasteners and bolts.

Oberflächenbehandlung

Common finishes include anodizing, polishing, and coating.

Select finishes based on material compatibility and end-use (e.g., anodizing for aluminum).

Enhances part aesthetics and durability.

Design für Herstellbarkeit (DFM)

Review part designs for manufacturability to avoid complex geometries.

Minimize sharp internal corners, thin walls, and excessive features.

Reduces machining time and cost.

Cost Optimization

Avoid unnecessary features like unsupported tabs or thin walls.

Use standard tooling and design simple geometries to reduce costs.

Streamlines production and reduces costs.

Text & Gravur

Minimum text height: 0.6 mm width and 0.1 mm depth.

For turned parts, consider laser engraving for fine markings.

Adds custom identification and enhances usability.