GB735327A - Apparatus for the local heat treatment of elongated workpieces such as camshafts - Google Patents
Apparatus for the local heat treatment of elongated workpieces such as camshaftsInfo
- Publication number
- GB735327A GB735327A GB3158052A GB3158052A GB735327A GB 735327 A GB735327 A GB 735327A GB 3158052 A GB3158052 A GB 3158052A GB 3158052 A GB3158052 A GB 3158052A GB 735327 A GB735327 A GB 735327A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carriage
- cam
- heating zone
- quench
- bolts
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
- H05B6/103—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor
- H05B6/104—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor metal pieces being elongated like wires or bands
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
735,327. Heat-treating metals. ELECTRIC FURNACE CO., Ltd. Dec. 11, 1953 [Dec. 12, 1952], No. 31580/52. Class 72. In apparatus for the local heat treatment, particularly hardening by high-frequency electromagnetic induction, of parts spaced along the length of an elongated metal workpiece, the workpiece moves longitudinally relatively to a heater and a quench which are arranged so that when any one save the first of the parts to be heat treated lies in the heating zone the preceding part just heated lies in the quench, and there is provided means, preferably an escapement mechanism, for automatically causing or permitting the said movement to occur intermittently at intervals corresponding to a predetermined heating cycle to bring the parts to be treated successively into the heating zone and keep them there for an appropriate period. In one embodiment, for the surface hardening by induction of spaced cams, two cam shafts to be treated can be mounted vertically between pairs of opposed pairs of centring and supporting spindles 25, 26 in a vertically movable carriage 10 which is moved to its highest position in the machine by a pneumatic ram 13 and allowed to fall in stages past a stationary inductor 11 and a quench 12 whereby each cam of the work is brought in turn into the heating zone of the inductor 11 for a predetermined period, after which the carriage falls to its next stage, transporting the heated cam into the quenching zone and bringing the next succeeding cam into the heating zone. The stages of descent of the carriage are determined by a stepped rack 14 secured to it, which rack is provided with two parallel staggered rows of projecting steps 15 which correspond to the positions in which the carriage is required to dwell. A pair of pneumatically operated timing bolts 16, 17 is provided, the bolts being arranged horizontally side by side, and each bolt, when in the forward position, engaging one or other of the two rows of steps 15, the bolts being withdrawn alternately by a timing device to allow the carriage to fall in the required stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3158052A GB735327A (en) | 1952-12-12 | 1952-12-12 | Apparatus for the local heat treatment of elongated workpieces such as camshafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3158052A GB735327A (en) | 1952-12-12 | 1952-12-12 | Apparatus for the local heat treatment of elongated workpieces such as camshafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB735327A true GB735327A (en) | 1955-08-17 |
Family
ID=10325247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3158052A Expired GB735327A (en) | 1952-12-12 | 1952-12-12 | Apparatus for the local heat treatment of elongated workpieces such as camshafts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB735327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645120A (en) * | 2022-03-23 | 2022-06-21 | 熊建 | Camshaft high-frequency quenching device capable of effectively absorbing water vapor |
-
1952
- 1952-12-12 GB GB3158052A patent/GB735327A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645120A (en) * | 2022-03-23 | 2022-06-21 | 熊建 | Camshaft high-frequency quenching device capable of effectively absorbing water vapor |
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