Deep hole drill

Inactive Publication Date: 2005-11-03
GUEHRING JOERG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] It is thus the object of the invention to provide a deep hole drill comprising a cutter carrier which can be used for a plurality of nominal diameters in a nominal diameter range, as well as a replaceable cutting insert and at least one replaceable guide strip, which has a simple structure and allows easy-to-handle and rapid adjustment of the tool to the desired nominal diameter. It is a further object to provide a range of inserts for equipping a cutter carrier for deep hole drilling tools which can be used to implement a new type of cutter carrier equipping method by making available a suitable range of inserts.

Problems solved by technology

Thus, a plurality of time-consuming work processes are required to adjust the position of the cutting edge to the desired nominal diameter or to equip the cutter carrier with the components provided for the corresponding nominal diameter.
However, no positional displacement of the guide strips is provided.
Thus, accurate guidance of the drill cannot be ensured.

Method used

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Embodiment Construction

[0041] Reference is first made to FIGS. 1 and 2 which show a single-lipped embodiment of the deep hole drill according to the invention. The reference number 1 designates a drill head which is soldered onto a drill shank 15 which in turn is soldered into a clamping sleeve 16. The machined groove is substantially v-shaped where the angle spanned by the machined and unmachined surface is approximately 90°.

[0042] At its tip, on the machined surface of the machined groove 13 the drill head has a recess which with its rear surface 5 and the two side surfaces 10, 14 forms a seat for a replaceable cutting plate 2. A central threaded hole 7 is drilled into the rear surface 5 which receives a screw 6 guided through a through hole in the replaceable cutting plate 2.

[0043] Furthermore, at the axial height of the replaceable cutting plate seat two recesses for guide strips 3 are provided over the circumference of the drill, which abut against a stop surface 9 with their radially-pointing plan...

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Abstract

A deep hole drill comprising a cutter carrier, a replaceable cutting insert and at least one replaceable guide strip. The cutter carrier is embodied in such a way that it can be used for a predetermined nominal diameter range. In order to adjust the deep hole drill to the various desired nominal diameters in a quicker and more precise manner, a separate kit consisting of a cutting insert and at least one guide strip is associated with each nominal diameter. Fixed stops are provided on the cutter carrier for said kit.

Description

[0001] This application is a continuation of International Application PCT / DE2003 / 004274, filed Dec. 18, 2003, the entirety of which is incorporated herein by reference.CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims the benefit of German Patent Application No. 202 19 754.9, filed Dec. 19, 2002, the entirety of which is incorporated herein by reference. BACKGROUND OF THE INVENTION [0003] The invention relates to a deep hole drill comprising a cutter carrier, a replaceable cutting insert and at least one replaceable guide strip wherein the cutter carrier can be used for a predetermined nominal diameter range, and a range for equipping a cutter carrier for such a deep hole drill wherein a new type of equipping method can be implemented with this range. [0004] In single-lip deep hole drills the swarf is removed by means of a supplied lubricant via the relatively large, straight-grooved machined groove as a result of the single-lip geometry. The actual cutting pro...

Claims

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Application Information

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IPC IPC(8): B23B51/04
CPCB23B51/048B23B2251/085B23B2251/422B23B2251/56Y10T408/455Y10T408/45Y10T408/909Y10T408/5586Y10T408/89Y10S408/713B23B51/063B23B51/00B23B51/02
Inventor KUENZEL, LOTHAR
Owner GUEHRING JOERG
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