GB513643A - Improvements in or relating to the manufacture of cutting tools - Google Patents
Improvements in or relating to the manufacture of cutting toolsInfo
- Publication number
- GB513643A GB513643A GB7870/38A GB787038A GB513643A GB 513643 A GB513643 A GB 513643A GB 7870/38 A GB7870/38 A GB 7870/38A GB 787038 A GB787038 A GB 787038A GB 513643 A GB513643 A GB 513643A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- carbon
- chromium
- manufacture
- alloy
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/04—Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0485—Helix angles
- B23C2210/0492—Helix angles different
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
513,643. Alloys. TURNER TANNING MACHINERY CO. March 14, 1938, No. 7870. Convention date, March 29, 1937. Drawings to Specification. [Class 82 (i)] [Also in Group XXII] A cutter or scraper for use in the manufacture of leather has a body portion which comprises a steel alloy containing 0.3 per cent. of carbon, 0.2 per cent. of chromium, 0.5 per cent. of molybdenum, and 0.2 per cent. of vanadium, such an alloy being non-airhardening. A strip serving as the cutting edge comprises a steel alloy containing 1.4-2.5 per cent. of carbon, 12-18 per cent. of chromium, and 0.5-1 per cent. each of molybdenum, vanadium, and nickel. The alloy may also contain 0.5-4 per cent. of cobalt. When intended to be air-hardened the alloy contains about 1.35-1.75 per cent. of carbon, and when to be quenched in oil about 1.90-2.45 per cent. of carbon with 12-14 per cent. of chromium.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US513643XA | 1937-03-29 | 1937-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB513643A true GB513643A (en) | 1939-10-18 |
Family
ID=21970852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7870/38A Expired GB513643A (en) | 1937-03-29 | 1938-03-14 | Improvements in or relating to the manufacture of cutting tools |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB513643A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200156162A1 (en) * | 2018-11-15 | 2020-05-21 | Kennametal Inc. | Orbital drill with left-handed and right-handed flutes |
-
1938
- 1938-03-14 GB GB7870/38A patent/GB513643A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200156162A1 (en) * | 2018-11-15 | 2020-05-21 | Kennametal Inc. | Orbital drill with left-handed and right-handed flutes |
| US10710175B2 (en) * | 2018-11-15 | 2020-07-14 | Kennametal Inc. | Orbital drill with left-handed and right-handed flutes |
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