JPS6418545A - Method for forging gear - Google Patents

Method for forging gear

Info

Publication number
JPS6418545A
JPS6418545A JP17541687A JP17541687A JPS6418545A JP S6418545 A JPS6418545 A JP S6418545A JP 17541687 A JP17541687 A JP 17541687A JP 17541687 A JP17541687 A JP 17541687A JP S6418545 A JPS6418545 A JP S6418545A
Authority
JP
Japan
Prior art keywords
gear
punch
die
work
pierce
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.)
Pending
Application number
JP17541687A
Other languages
Japanese (ja)
Inventor
Toshio Maeda
Chiyoji Miura
Michitoshi Kouno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP17541687A priority Critical patent/JPS6418545A/en
Priority to CA000571907A priority patent/CA1294463C/en
Priority to US07/218,248 priority patent/US4939829A/en
Publication of JPS6418545A publication Critical patent/JPS6418545A/en
Pending legal-status Critical Current

Links

Landscapes

  • Forging (AREA)

Abstract

PURPOSE:To easily manufacture a gear in good yield and with high accuracy by upsetting a round bar material and forming a hole part in a warm temperature range, then, making warm extrusion of the tooth part, further, making cold sizing of the tooth part. CONSTITUTION:A work W in a disk shape obtained by heating and swaging round bar material in a warm temperature range is mounted on a die 36 of a die assembly 32. Then, an upper die 44 is lowered and a punch 48 fitted to it and a punch 50 for forming a hole part which is fitted slidably in the punch 48 form a hole part 100 and a projection 102. Then, the work W is arranged in the recess part 58 of a pierce die 56 of a pierce die assembly 52. Then a pierce punch 64 is lowered to provide a through hole 104. This work W is moved to an extruding die assembly 70 and a gear and the prescribed shape of the gear are formed by a punch 74 with a plurality of protrusions 78, a gear-forming member 80 with a bulge part 84 engaged with said protrusions 78 and a die 88. Then, a cold sizing is given to the tooth part. In this manner, a gear can be obtained without intermediate treatment such as normalizing.
JP17541687A 1987-07-13 1987-07-14 Method for forging gear Pending JPS6418545A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP17541687A JPS6418545A (en) 1987-07-14 1987-07-14 Method for forging gear
CA000571907A CA1294463C (en) 1987-07-13 1988-07-13 Method of and apparatus for manufacturing a gear
US07/218,248 US4939829A (en) 1987-07-13 1988-07-13 Method of and apparatus for manufacturing a gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17541687A JPS6418545A (en) 1987-07-14 1987-07-14 Method for forging gear

Publications (1)

Publication Number Publication Date
JPS6418545A true JPS6418545A (en) 1989-01-23

Family

ID=15995715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17541687A Pending JPS6418545A (en) 1987-07-13 1987-07-14 Method for forging gear

Country Status (1)

Country Link
JP (1) JPS6418545A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05329572A (en) * 1992-05-29 1993-12-14 Musashi Seimitsu Ind Co Ltd Manufacture of stepped gear
US5701494A (en) * 1995-05-24 1997-12-23 Nec Corporation Microprocessor with multiple supervisor interrupt processing function
JP2001162387A (en) * 1999-12-07 2001-06-19 Toyota Motor Corp Lap laser welding method
CN106180502A (en) * 2016-07-19 2016-12-07 苏州誉衡昌精密机械有限公司 A kind of Forging Technology of precision component
CN106180533A (en) * 2016-07-19 2016-12-07 苏州誉衡昌精密机械有限公司 A kind of Forging Technology of gear drive head
CN112170617A (en) * 2020-08-15 2021-01-05 山东汽车齿轮总厂锻造二分厂 Forging process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939442A (en) * 1982-08-26 1984-03-03 Toyota Motor Corp Production of gear
JPS61195725A (en) * 1985-02-27 1986-08-30 Sumitomo Metal Ind Ltd Manufacture of high strength spur gear
JPS6223930A (en) * 1985-07-23 1987-01-31 Sumitomo Metal Ind Ltd Production of high-strength spur gear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5939442A (en) * 1982-08-26 1984-03-03 Toyota Motor Corp Production of gear
JPS61195725A (en) * 1985-02-27 1986-08-30 Sumitomo Metal Ind Ltd Manufacture of high strength spur gear
JPS6223930A (en) * 1985-07-23 1987-01-31 Sumitomo Metal Ind Ltd Production of high-strength spur gear

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05329572A (en) * 1992-05-29 1993-12-14 Musashi Seimitsu Ind Co Ltd Manufacture of stepped gear
US5701494A (en) * 1995-05-24 1997-12-23 Nec Corporation Microprocessor with multiple supervisor interrupt processing function
JP2001162387A (en) * 1999-12-07 2001-06-19 Toyota Motor Corp Lap laser welding method
CN106180502A (en) * 2016-07-19 2016-12-07 苏州誉衡昌精密机械有限公司 A kind of Forging Technology of precision component
CN106180533A (en) * 2016-07-19 2016-12-07 苏州誉衡昌精密机械有限公司 A kind of Forging Technology of gear drive head
CN112170617A (en) * 2020-08-15 2021-01-05 山东汽车齿轮总厂锻造二分厂 Forging process

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