Waterjet cutting quality and accuracy

(*) Values are just approximate and may vary according to the type and thickness of the material to be machined.
Cutting quality grade	Basic characteristics	Shape accuracy*		Bevel	Share of smooth cut
		Contour
		Top	Bottom
Q1	Best cut	+/- 0,1 mm	+/- 0,1 mm	mostly slight undercut	80 %	Suitable for parts with little or no further machining. This cut has a very smooth surface due to the slow feed; grooves are hardly visible or noticeable in the material.
Q2	Top quality cut	+/- 0,1 mm	+/- 0,2 mm	mostly very low
Q3	Medium cut	+/- 0,15 mm	according to the material 0,1 ‑ 0,3 mm	according to the material	less than 50 %	The standard cut is used, for example, for loose cut parts. This is the most common cut quality. Slight grooves are visible on the cutting surfaces, which run at a slight angle.
Q4	Rough cut	+/- 0,15 mm	according to the material	according to the material
Q5	Dividing cut	+/- 0,2 mm	very low accuracy 0,2 ‑ 0,6 mm	significant bevel up to +	20 %	It is mainly used for parts that will be further processed, or where the low cost of the part is important. Here, deep grooves are visible due to the very fast feed rate. These components are usually post-machined.

Examples of cut quality

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