Guide for a burr cutter
AssigneeROLLS-ROYCE plc
InventorAdam M. BAGNALL
Life of this patent
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Abstract
A guide 2 for a burr cutter 34, the guide 2 comprising: a body portion 4 having first and second guide surfaces 12a, 12b which are spaced from one another to define a slot 14 between the first and second guide surfaces 12a, 12b; a bearing 32a, 32b for rotatably mounting the body portion 4 to a shank 38 of the burr cutter 34 with a cutting head 36 of the burr cutter 34 adjacent the slot 14; wherein the first and second guide surfaces 12a, 12b and the bearing 32a, 32b are positioned relative to one another such that the first and second guide surfaces 12a, 12b are tangential to the cutting head 36 of the burr cutter 34.
Claims8
A tool comprising a burr cutter and a guide for the burr cutter, wherein:
- the burr cutter comprises a cutting head and a shank;
- and
- the guide comprises:
- a body portion having first and second guide surfaces which are spaced from one another to define a slot between the first and second guide surfaces;
- a bearing for rotatably mounting the body portion to the shank of the burr cutter with the cutting head of the burr cutter adjacent the slot;
- wherein the first and second guide surfaces and the bearing are positioned relative to one another such that the first and second guide surfaces are flush with the cutting head of the burr cutter and tangential to the part of the cutting head that lies in the plane of the first and second guide surfaces.
A method for manufacturing an aerofoil for a gas turbine engine comprising:
- manufacturing an unfinished aerofoil;
- and
- removing unwanted material from the unfinished aerofoil using A tool comprising a burr cutter and a guide for the burr cutter, wherein the burr cutter comprises a cutting head and a shank;
- and the guide comprises a body portion having first and second guide surfaces which are spaced from one another to define a slot between the first and second guide surfaces;
- a bearing for rotatably mounting the body portion to the shank of the burr cutter with the cutting head of the burr cutter adjacent the slot;
- wherein the first and second guide surfaces and the bearing are positioned relative to one another such that the first and second guide surfaces are flush with the cutting head of the burr cutter and tangential to the part of the cutting head that lies in the plane of the first and second guide surfaces.
Dependencies are inferred from the claim text.