THREAD MILLING CUTTER, HOLDER AND A METHOD FOR MILLING AN EXTERNAL THREAD ON A SPIGOT
First Claim
1. A thread milling cutter, comprising a cutting head having a holder, chip forming members provided on the holder, and an attachment integrated with the cutting head, the attachment being adapted to be received in a tool coupling, wherein the holder includes an internal cavity that extends both radially and axially relative to a rotational axis of the thread milling cutter, and at least a portion of the chip forming members are disposed in the internal cavity.
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Accused Products
Abstract
The present invention relates to a thread milling cutter, which includes a cutting head, having a holder with a number of cutting insert pockets, a number of threading inserts, which are received in the cutting insert pockets and an attachment integrated with the cutting head, which attachment is intended to be received in a tool coupling. The invention also relates to the holder per se and to a method for milling an external thread on a spigot. The holder is provided with an internal cavity, which has an extension both radially and axially with regard to a rotational axis of the thread milling cutter, and the cutting insert pockets are provided in the internal cavity.
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Citations
18 Claims
- 1. A thread milling cutter, comprising a cutting head having a holder, chip forming members provided on the holder, and an attachment integrated with the cutting head, the attachment being adapted to be received in a tool coupling, wherein the holder includes an internal cavity that extends both radially and axially relative to a rotational axis of the thread milling cutter, and at least a portion of the chip forming members are disposed in the internal cavity.
- 14. A holder forming part of a thread milling cutter, the holder being provided with a number of cutting insert pockets and an internal cavity, the internal cavity extending radially and axially relative to a rotational axis of the thread milling cutter, and at least some of the cutting insert pockets are disposed in the internal cavity.
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18. A method for milling an external thread on a spigot, the spigot having a circumference, comprising
rotating a tool, the tool being provided with at least one chip forming member, around a rotational axis of the tool, and moving the rotational axis along a circular path, the circular path being provided inside of the circumference of the spigot.
Specification