GB815037A - Method of forming spiral cutter blades - Google Patents
Method of forming spiral cutter bladesInfo
- Publication number
- GB815037A GB815037A GB14325/57A GB1432557A GB815037A GB 815037 A GB815037 A GB 815037A GB 14325/57 A GB14325/57 A GB 14325/57A GB 1432557 A GB1432557 A GB 1432557A GB 815037 A GB815037 A GB 815037A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blank
- dies
- heating
- spiral
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K5/00—Making tools or tool parts, e.g. pliers
- B21K5/12—Making tools or tool parts, e.g. pliers other cutting tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
815,037. Making spiral cutter blades for planers and milling cutters; bending; twisting. KEARNEY & TRECKER CORPORATION. May 6, 1957 [May 18, 1956], No. 14325/57. Classes 83 (2), 83 (3) and 83 (4). A spiral cutter blade is made by heating a blank whilst located between a pair of spiralforming dies, and then closing the dies to impart the desired spiral contour to the blank. A cutter blade 18, Fig. 1, for use in cutting tools such as reamers, end mills or shell mills, is made by heating a carbide blank 25, Fig. 5, to a plastic condition between dies 27, 28, and then pressing it to form a cambered blank, Fig. 3 (not shown), heating the cambered blank to a plastic condition between a further set of dies 39, 40, Fig. 7, and then pressing it to form the spiral twist in the blade. The blank 25 is of sintered carbide and is heated in the dies 27, 28 to 2600‹ F. by a high-frequency coil, and in the dies 39, 40 by another high-frequency coil 47. Both sets of dies are made of copper to permit rapid conduction of heat from the blank and hence to reduce the time during which the blank is at a high temperature and subject to oxidation. The pressed blades 18 are located on seats 20 in a cutter body 17 and are brazed thereto.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US815037XA | 1956-05-18 | 1956-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB815037A true GB815037A (en) | 1959-06-17 |
Family
ID=22164608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14325/57A Expired GB815037A (en) | 1956-05-18 | 1957-05-06 | Method of forming spiral cutter blades |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB815037A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2104675A1 (en) * | 1970-07-02 | 1972-04-21 | Marwin Cutting Tools Ltd |
-
1957
- 1957-05-06 GB GB14325/57A patent/GB815037A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2104675A1 (en) * | 1970-07-02 | 1972-04-21 | Marwin Cutting Tools Ltd |
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