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US 9,919,404 B2Granted
Method for machining materials by milling and subsequent brushing
AssigneeSiemens Aktiengesellschaft
InventorsWalter David, Wolfram Knoche
Life of this patent
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Abstract
A method for machining a material, in particular steel, is provided. The material is milled at such a high cutting speed that residual tensile stresses close the surface that exceed a specified value can occur and the residual tensile stresses can be lowered below the specified value by subsequent brushing. A device for performing the method is also provided.
Claims19
A method for machining a material, comprising:
- milling at a high cutting rate such that internal tensile stresses close to a surface which exceed a predetermined value may arise,
- subsequent brushing to reduce the internal tensile stresses which exceed the predetermined value so as to be below the predetermined value, and
- employing a brushing device in which brushes are present, such that brushing with the brushing device may be simultaneously carried out at a plurality of points.
A method for machining a material, comprising:
- milling at a high cutting rate such that internal tensile stresses close to a surface which exceed a predetermined value may arise, and
- subsequent brushing to reduce the internal tensile stresses which exceed the predetermined value to below the predetermined value,
- wherein brushes comprising bristles comprising stainless-steel wire are employed, which bristles comprise a bristle diameter of 0.15 mm to 0.35 mm and a tensile strength of 1500 N/mm2 to 2400 N/mm2.
A method for machining a material, comprising:
- milling at a high cutting rate such that internal tensile stresses close to a surface which exceed a predetermined value may arise, and
- subsequent brushing to reduce the internal tensile stresses which exceed the predetermined value to below the predetermined value,
- wherein the milling takes place at a milling feed rate of up to 38 mm/min.
Dependencies are inferred from the claim text.