SURFACE FINISHING
As the machined or deburring
With the aid of deburring tools, these “burr” bits are often eliminated, and sharp edges are chamfered.
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Introduction
After CNC manufacturing on a plastic or metal workpiece, small material chips are attached to the machining position, affecting functionality and aesthetic appeal. With the aid of deburring tools, these “burr” bits are often eliminated, and sharp edges are chamfered. Deburring tools remove any related undesirable materials and produce a smooth surface without compromising dimensional stability. Deburring can maintain the surface roughness of 3.2 μm easily.
Although a part’s functioning is unaffected, a surface finish that has been machined or deburred may have visible lines left over from the deburring process.
key properties
| Features | Info |
|---|---|
| Materials | Metals, Plastics |
| Color | n/a |
| Texture |
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Define edge condition and texture where the tool path becomes functional
An as-machined finish still needs a controlled definition when a surface seals, slides, locates or serves a cosmetic role. Specify the applicable faces, texture parameter, burr/edge-break requirement and any tool-mark direction that affects function.
Engineering data to lock before release
| Applicable faces | Functional, cosmetic and non-controlled surface zones |
|---|---|
| Texture data | Parameter, unit and measurement length/area |
| Edge condition | Deburr, radius/chamfer or sharp-edge exception |
| Inspection | Visual standard, tactile check or roughness measurement |
“Deburr” should be connected to an edge requirement when an uncontrolled break could change fit, sealing or safety.
