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1. WO2014116553 - TWO SIDED MILLING TOOL CUTTER INSERT AND HOLDER

Publication Number WO/2014/116553
Publication Date 31.07.2014
International Application No. PCT/US2014/012237
International Filing Date 21.01.2014
IPC
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
B23C 5/1036
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
1027with one or more removable cutting inserts
1036having a single cutting insert, the cutting edges of which subtend 180 degrees
B23C 5/109
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
109with removable cutting inserts
B23C 5/202
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
16characterised by physical features other than shape
20with removable cutter bits or teeth ; or cutting inserts
202Special by shaped plate-like cutting inserts, i.e. length greater than or equal to width, width greater than or equal to thickness
B23C 5/2247
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
CMILLING
5Milling-cutters
16characterised by physical features other than shape
20with removable cutter bits or teeth ; or cutting inserts
22Securing arrangements for bits or teeth ; or cutting inserts
2239with cutting inserts clamped by a clamping member acting almost perpendicular on the cutting face
2243for plate-like cutting inserts
2247having a special shape
Y10T 407/1908
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
407Cutters, for shaping
19Rotary cutting tool
1906including holder [i.e., head] having seat for inserted tool
1908Face or end mill
Y10T 407/192
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
407Cutters, for shaping
19Rotary cutting tool
1906including holder [i.e., head] having seat for inserted tool
1908Face or end mill
192with separate means to fasten tool to holder
Applicants
  • DAPRA CORPORATION [US]/[US]
Inventors
  • BITNER, Michael
Agents
  • DELIO, Anthony, P.
Priority Data
13/836,93515.03.2013US
61/756,79325.01.2013US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TWO SIDED MILLING TOOL CUTTER INSERT AND HOLDER
(FR) SUPPORT ET PLAQUETTE DE COUPE DE FRAISE DE MEULAGE À DEUX FACES
Abstract
(EN) A milling tool includes a reversible cutter insert with a central opening having two pairs of cutting surfaces and edges. A pair of planar locating shoulders are disposed on each side of the insert, and each shoulder extends between the insert side face and an adjacent one of the cutting surfaces. The plane of each locating shoulder is at an angle to and intersects the longitudinal axis of the insert central opening. A cutter holder has a slot receiving the cutter insert with a pair of planar locating surfaces oriented at the same angle as the insert locating shoulder plane. The holder locating surfaces are abutted with and contact the insert locating shoulders to support the insert and permit one of the pair of insert cutting surfaces and edges extending out of the slot to cut a workpiece.
(FR) La présente invention se rapporte à une fraise de meulage qui comprend une plaquette de coupe réversible ayant une ouverture centrale qui comporte deux paires de surfaces de coupe et de bords tranchants. Deux épaulements de positionnement planaire sont disposés sur chaque côté de la plaquette et chaque épaulement s'étend entre la face latérale de plaquette et une surface adjacente parmi les surfaces de coupe. Le plan de chaque épaulement de positionnement planaire forme un angle vers l'axe longitudinal, et coupe cet axe longitudinal, de l'ouverture centrale de la plaquette. Un support d'élément coupant comporte une fente qui reçoit la plaquette de coupe, une paire de surfaces de positionnement planaire étant orientées selon le même angle que le plan d'épaulement de positionnement de la plaquette. Les surfaces de positionnement du support viennent en butée contre les épaulements de positionnement de la plaquette, et viennent en contact avec ces derniers, afin de supporter la plaquette et de permettre la paire de surfaces de coupe de la plaquette ou la paire de bords coupants qui s'étendent en dehors de la fente, de couper une pièce à travailler.
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