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US 8,033,765 B2Granted
Drilling tool
AssigneeSandvik Intellectual Property AB
InventorPeter Frank
Life of this patent
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AssigneeSandvik Intellectual Property AB
InventorPeter Frank
Estimating the term…
The invention relates to a base body for a drilling tool, in particular to drilling/grinding tool whose front surface (14) can accommodate a cutting insert holder (2). Said invention also relates to a cutting insert holder used with said base body (1) provided with a seat for receiving a cutting insert (13, 13′, 13″). The aim of the invention is to develop a flexibly usable drilling tool whose cutting insert holder can be adjusted in a simple and accurate manner and is not expensive. For this purpose, at least one adjusting pin (4) which is connected to the base body (1) axially overlaps the cutting insert holder (2) and/or the cutting insert in such a way that a radial adjustment of the cutting insert holder (2) with respect to the base body (1) can be carried out by measuring the radial deviation (a) between the defined point of the cutting insert holder (2) or a cutting insert (3, 3′, 3″) accommodated thereby and the adjusting pin (4). In addition, a bearing surface (19) for supporting the cutting insert holder (2) on the front surface (14) of the base body (1) of the drilling tool is provided with a projection (17), preferably longitudinal, which extends outside the bearing surface (19) and is embeddable into a groove (15) on the front surface (14).
Base body for a drilling tool, whose front surface region can accommodate at least one cutting insert holder, comprising at least one adjusting pin connected to the base body and axially overlapping the cutting insert holder and/or the cutting insert, wherein the cutting insert holder is radially adjustable with respect to the base body based on a radial deviation measured between a defined point of the cutting insert holder or the cutting insert accommodated on the cutting insert holder and the adjusting pin, wherein the adjusting pin is centrally aligned with the axis of rotation of the tool, wherein the adjusting pin protrudes axially past at least a portion of an upper surface of the cutting insert holder.
A drilling tool, comprising a base body and a cutting insert holder, wherein the cutting insert holder includes a seat for receiving a cutting insert, wherein the base body includes a front surface region to accommodate at least one cutting insert holder, at least one adjusting pin connected to the base body and axially overlapping the cutting insert holder and/or the cutting insert positioned in the seat, wherein the cutting insert holder is radially adjustable with respect to the base body based on a radial deviation measured between a defined point of the cutting insert holder or the cutting insert positioned in the seat and the adjusting pin, wherein the adjusting pin is centrally aligned with the axis of rotation of the tool, wherein a bearing surface for supporting the cutting insert holder on the front surface of the base body of the drilling tool has a longitudinal projection overlapping the bearing surface for engaging in a groove arranged on the front surface, and wherein the adjusting pin protrudes axially past at least a portion of an upper surface of the cutting insert holder.
Dependencies are inferred from the claim text.