GB722188A - Improvements in or relating to method of machining ferrous metals - Google Patents
Improvements in or relating to method of machining ferrous metalsInfo
- Publication number
- GB722188A GB722188A GB2897651A GB2897651A GB722188A GB 722188 A GB722188 A GB 722188A GB 2897651 A GB2897651 A GB 2897651A GB 2897651 A GB2897651 A GB 2897651A GB 722188 A GB722188 A GB 722188A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rotated
- inch
- work
- cutter
- teeth
- 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
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
722,188. Milling-cutters. LA SALLE STEEL CO. Dec. 11, 1951, No. 28976/51. Class 83 (3). Special processes.-A method of machining ferrous metal consists in moving a continuous series of cutting teeth having a spacing uf ¢ inch or less successively into engagement with a workpiece at a tooth travel-rate in excess of 1,000 ft./min., maintaining at least two teeth in engagement with the work at all times, and moving the work and teeth at a relative speed in excess of 90 ins./min. In milling work 16, Fig. 2, two cutters are rotated about their axes at 1,500 r.p.m. and are also rotated about the work which is fed at 50 ft./min. Each cutter has teeth pitched at “ inch and ground from a carbide body, the diameter being 4 inches. The depth of cut is <SP>1</SP>/ 32 inch. The work may be rotated and the cutters rotated about their axes only. A second form of cutter has a body 20, Figs. 5, 6, formed with slots 21, 22 into which are placed blade elements 24 having- a helix angle of, preferably, 18 degrees, and a pitch of approximately “ inch for a 12 inch diameter body. The blades are secured by a non-resilient organic plastic or metal alloy which is forced around the blades and into recesses 25, 26, the plastic or alloy being subsequently partly removed to provide chip clearance-spaces and the blades ground to the required profile. The cutter is rotated at 500 r.p.m. with a chip size of 0.005 inch and a feed rate of 375 ins./min. In a machine for using the cutter, the feed-screw was rotated at 1200 r.p.m. to give a feed of 600 ins./min., the spindle speed being increased to 1,462 r.p.m. Other performance figures for current practice and for the present method are quoted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2897651A GB722188A (en) | 1951-12-11 | 1951-12-11 | Improvements in or relating to method of machining ferrous metals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2897651A GB722188A (en) | 1951-12-11 | 1951-12-11 | Improvements in or relating to method of machining ferrous metals |
Publications (1)
Publication Number | Publication Date |
---|---|
GB722188A true GB722188A (en) | 1955-01-19 |
Family
ID=10284246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2897651A Expired GB722188A (en) | 1951-12-11 | 1951-12-11 | Improvements in or relating to method of machining ferrous metals |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB722188A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112893942A (en) * | 2021-01-22 | 2021-06-04 | 辽宁工业大学 | Precise micro-milling method for high-volume silicon carbide particle reinforced aluminum matrix composite |
-
1951
- 1951-12-11 GB GB2897651A patent/GB722188A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112893942A (en) * | 2021-01-22 | 2021-06-04 | 辽宁工业大学 | Precise micro-milling method for high-volume silicon carbide particle reinforced aluminum matrix composite |
CN112893942B (en) * | 2021-01-22 | 2024-03-22 | 辽宁工业大学 | Precise micro milling method for high-volume-fraction silicon carbide particle reinforced aluminum matrix composite material |
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