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1. WO2001045883 - TOOLHOLDER AND INSERT ARRANGEMENT WITH A SHRINK FIT COUPLING

Publication Number WO/2001/045883
Publication Date 28.06.2001
International Application No. PCT/SE2000/002530
International Filing Date 14.12.2000
Chapter 2 Demand Filed 28.06.2001
IPC
B23B 31/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks; Expansion mandrels; Adaptations thereof for remote control
B23B 31/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks; Expansion mandrels; Adaptations thereof for remote control
02Chucks
B23B 31/30 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks; Expansion mandrels; Adaptations thereof for remote control
02Chucks
24characterised by features relating primarily to remote control of the gripping means
30using fluid-pressure means in the chuck
B23C 5/10 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
02characterised by the shape of the cutter
10Shank-type cutters, i.e. with an integral shaft
CPC
B23B 31/008
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks
008with arrangements for transmitting torque
B23B 31/1179
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks
02Chucks
10characterised by the retaining or gripping devices or their immediate operating means
117Retention by friction only, e.g. using springs, resilient sleeves, tapers
1179using heating and cooling
B23B 31/305
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
31Chucks
02Chucks
24characterised by features relating primarily to remote control of the gripping means
30using fluid-pressure means in the chuck
305the gripping means is a deformable sleeve
B23C 2210/03
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
2210Details of milling cutters
03Cutting heads comprised of different material than the shank irrespective of whether the head is detachable from the shank
B23C 5/1009
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
02characterised by the shape of the cutter
10Shank-type cutters, i.e. with an integral shaft
1009Ball nose end mills
B23Q 3/12
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING
3Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
12for securing to a spindle in general
Applicants
  • SANDVIK AKTIEBOLAG [SE]/[SE] (AllExceptUS)
  • LUNDBLAD, Mikael [SE]/[SE] (UsOnly)
  • ENGSTRAND, Sven [SE]/[SE] (UsOnly)
Inventors
  • LUNDBLAD, Mikael
  • ENGSTRAND, Sven
Agents
  • BENTON, Richard
Priority Data
9904752-422.12.1999SE
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TOOLHOLDER AND INSERT ARRANGEMENT WITH A SHRINK FIT COUPLING
(FR) ENSEMBLE PORTE-OUTIL ET TETE AMOVIBLE A MONTAGE AJUSTE PAR CONTRACTION
Abstract
(EN) A toolholder and insert arrangement includes an insert having a cutting portion and a shank portion at a base of the cutting portion, and a toolholder having a first end attachable to a spindle and a second end having a shank-receiving opening. When the shank portion is not disposed in the shank receiving opening and the toolholder is at an ordinary room temperature, the shank-receiving opening is smaller than the shank portion, and upon heating of the toolholder to a predetermined temperature above the ordinary room temperature and above an ordinary operating temperature the shank-receiving opening expands to become at least as large as the shank portion and, upon cooling of the toolholder to a temperature below the predetermined temperature and after insertion of the shank portion in the shank-receiving opening, the shank-receiving opening shrinks to generally conform to a shape of the shank portion.
(FR) L'invention concerne un ensemble porte-outil et tête de coupe amovible comprenant un tête amovible composée d'une partie de outil de coupe dont la base est prolongée par une partie tige, et un porte-outil comprenant une première extrémité pouvant être montée sur un axe et une seconde extrémité comportant une ouverture destinée à recevoir la tige. Lorsque la tige n'est pas insérée dans l'ouverture destinée à cet effet, et que le porte-outil se trouve à une température ambiante ordinaire, l'ouverture destinée à la tige est plus petite que la partie tige, et lorsqu'on chauffe le porte outil à une température prédéterminée supérieure à la température ambiante ordinaire, et également supérieure à la température de fonctionnement ordinaire, cette ouverture s'agrandit et devient au moins aussi grande que la partie tige. Après insertion de la tige dans l'ouverture et refroidissement du porte-outil à une température inférieure à la température prédéterminée, cette ouverture rétrécit de manière à venir s'adapter sensiblement à la forme de la tige.
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