ATE173300T1 - METHOD FOR INFLUENCING DIMENSIONAL AND FORM CHANGES DURING HARDENING OF WORKPIECES - Google Patents
METHOD FOR INFLUENCING DIMENSIONAL AND FORM CHANGES DURING HARDENING OF WORKPIECESInfo
- Publication number
- ATE173300T1 ATE173300T1 AT95912245T AT95912245T ATE173300T1 AT E173300 T1 ATE173300 T1 AT E173300T1 AT 95912245 T AT95912245 T AT 95912245T AT 95912245 T AT95912245 T AT 95912245T AT E173300 T1 ATE173300 T1 AT E173300T1
- Authority
- AT
- Austria
- Prior art keywords
- workpieces
- mandrel
- hardening
- changes during
- influencing
- Prior art date
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
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Forging (AREA)
Abstract
A process and device are disclosed for influencing the changes in size and shape of workpieces during hardening. Mechanical accessories, in particular mandrel fixtures, are used for hardening workpieces. In known processes, the carburised workpieces are set on said mandrel fixtures and quenched. In order to simplify and reduce the cost of a hardening process by means of mandrel fixtures, the individual operations such as carburising, stacking of workpieces on the mandrel fixture and quenching are combined in a single process. A mechanical accessory used to carry out this process is made of a material that does not carburise together with the workpieces, i.e. the surface of the mandrel fixture is not changed into a hardened microstructure during carburising.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4408924A DE4408924A1 (en) | 1994-03-16 | 1994-03-16 | Method and device for influencing dimensional and shape changes when hardening workpieces |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE173300T1 true ATE173300T1 (en) | 1998-11-15 |
Family
ID=6512943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95912245T ATE173300T1 (en) | 1994-03-16 | 1995-03-11 | METHOD FOR INFLUENCING DIMENSIONAL AND FORM CHANGES DURING HARDENING OF WORKPIECES |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0750683B1 (en) |
JP (1) | JPH09510261A (en) |
KR (1) | KR970701794A (en) |
AT (1) | ATE173300T1 (en) |
BR (1) | BR9507081A (en) |
DE (2) | DE4408924A1 (en) |
ES (1) | ES2124537T3 (en) |
WO (1) | WO1995025182A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103032069B (en) * | 2012-10-22 | 2015-01-14 | 安徽省皖江机电设备制造有限公司 | Production method of cutting picks of coal mining machine |
CN103447758A (en) * | 2013-07-18 | 2013-12-18 | 陕西奥邦锻造有限公司 | Integrated technique of hard alloy brazing and heat treatment for cutting pick |
CN112522499B (en) * | 2020-11-11 | 2022-08-02 | 中国航发中传机械有限公司 | Heat treatment method of oblique-amplitude plate cylindrical gear for aviation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3177563A (en) * | 1960-06-28 | 1965-04-13 | Laval Turbine | Method of treating gears and the like |
US4212690A (en) * | 1979-03-23 | 1980-07-15 | Nasa | Heat treat fixture and method of heat treating |
CH647811A5 (en) * | 1981-06-19 | 1985-02-15 | Maag Zahnraeder & Maschinen Ag | METHOD FOR REDUCING THE DISTANCE OF HARDNESS IN THE USE OF LARGE STEEL SPROCKETS AND SUITABLE SUPPORT BODIES THEREFOR. |
FR2593192B1 (en) * | 1986-01-20 | 1992-01-24 | Stein Heurtey | HEATING AND TEMPERING UNDER PRESS OF METAL PARTS |
DE3906217C1 (en) * | 1989-02-28 | 1989-11-23 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | Rod- or ring-shaped workpiece-adapted receiving device for rotationally symmetrical workpieces |
DE59102384D1 (en) * | 1990-10-15 | 1994-09-01 | Zahnradfabrik Friedrichshafen | METHOD AND DEVICE FOR INFLUENCING DIMENSIONS AND DIMENSIONS IN HARDENING WORKPIECES. |
-
1994
- 1994-03-16 DE DE4408924A patent/DE4408924A1/en not_active Withdrawn
-
1995
- 1995-03-11 KR KR1019960704868A patent/KR970701794A/en not_active Application Discontinuation
- 1995-03-11 ES ES95912245T patent/ES2124537T3/en not_active Expired - Lifetime
- 1995-03-11 JP JP7523826A patent/JPH09510261A/en active Pending
- 1995-03-11 EP EP95912245A patent/EP0750683B1/en not_active Expired - Lifetime
- 1995-03-11 WO PCT/EP1995/000913 patent/WO1995025182A1/en active IP Right Grant
- 1995-03-11 DE DE59504224T patent/DE59504224D1/en not_active Expired - Fee Related
- 1995-03-11 AT AT95912245T patent/ATE173300T1/en not_active IP Right Cessation
- 1995-03-11 BR BR9507081A patent/BR9507081A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2124537T3 (en) | 1999-02-01 |
KR970701794A (en) | 1997-04-12 |
DE59504224D1 (en) | 1998-12-17 |
EP0750683A1 (en) | 1997-01-02 |
BR9507081A (en) | 1997-09-16 |
JPH09510261A (en) | 1997-10-14 |
WO1995025182A1 (en) | 1995-09-21 |
DE4408924A1 (en) | 1995-09-21 |
EP0750683B1 (en) | 1998-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |