Removal behavior and output quality for laser chemical machining of tool steels

Special Issue - Advances in Research in New Forming Technology - from the ICNFT2018

Open Access

Table 4

Summary of the quality characteristics of laser chemical machining in comparison with micro milling [17].

	Laser chemical machining	Micro milling
Tool diameter [μm]	25	100, 200
Cavity geometry [−]

Mean edge radius [μm]	11…18	25…45
Mean roughness [μm]	>0.7	>0.12
Machining time^* [min]	200	5
Mean removal rate [mm³/min]	6.75 × 10⁻⁵	1.1 × 10⁻³ 2.7 × 10⁻⁵ ^**
Microstructural impact [−]	Non-significant	Non-significant

For cavity dimensions of (300 × 300 × 60) μm³.

^**

Considering equal interaction areas (similar to those of LCM).

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