GB416928A - Improvements in the hardening of the teeth of gear wheels - Google Patents
Improvements in the hardening of the teeth of gear wheelsInfo
- Publication number
- GB416928A GB416928A GB811333A GB811333A GB416928A GB 416928 A GB416928 A GB 416928A GB 811333 A GB811333 A GB 811333A GB 811333 A GB811333 A GB 811333A GB 416928 A GB416928 A GB 416928A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- wheel
- electrode
- slides
- hardening
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/40—Direct resistance heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
416,928. Heating by electricity. KENDALL & GENT (1920), Ltd., and HALL, J. L., Gorton, Manchester. March 17, 1933, No. 8113. [Class 39 (iii).] In apparatus for hardening the teeth of gear wheels by electrodes, the wheel is mounted so as to be rotatable on a head between electrode carriers b, c which are adjustably mounted upon slides d on the frame e. The spur electrodes f, g are slidably mounted within their carriers and are urged forward by springs h. The slides d are normally forced apart by springs h<1> and are moved towards each other by the operation of a foot pedal connected by ropes i passing over pulleys i<1> to the respective slides. Only one electrode may be used, the circuit then being completed through the body of the wheel. In a modification, Fig. 2, the wheel a is depressed to bring the tooth into contact with an electrode f, and in a further modification, Fig. 3, the flanks of the tooth, when depressed are brought into contact with electrodes f, f<1>.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB811333A GB416928A (en) | 1933-03-17 | 1933-03-17 | Improvements in the hardening of the teeth of gear wheels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB811333A GB416928A (en) | 1933-03-17 | 1933-03-17 | Improvements in the hardening of the teeth of gear wheels |
Publications (1)
Publication Number | Publication Date |
---|---|
GB416928A true GB416928A (en) | 1934-09-17 |
Family
ID=9846010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB811333A Expired GB416928A (en) | 1933-03-17 | 1933-03-17 | Improvements in the hardening of the teeth of gear wheels |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB416928A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480457A (en) * | 1945-05-05 | 1949-08-30 | Farrel Birmingham Co Inc | Method of and apparatus for electrically heating gear teeth |
US2521699A (en) * | 1942-03-23 | 1950-09-12 | Ohio Crankshaft Co | Heat-treating gear |
US2524044A (en) * | 1944-08-10 | 1950-10-03 | Ohio Crankshaft Co | Apparatus for heat-treating gear teeth |
-
1933
- 1933-03-17 GB GB811333A patent/GB416928A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2521699A (en) * | 1942-03-23 | 1950-09-12 | Ohio Crankshaft Co | Heat-treating gear |
US2524044A (en) * | 1944-08-10 | 1950-10-03 | Ohio Crankshaft Co | Apparatus for heat-treating gear teeth |
US2480457A (en) * | 1945-05-05 | 1949-08-30 | Farrel Birmingham Co Inc | Method of and apparatus for electrically heating gear teeth |
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