JPH0344121B2 - - Google Patents
Info
- Publication number
- JPH0344121B2 JPH0344121B2 JP31459887A JP31459887A JPH0344121B2 JP H0344121 B2 JPH0344121 B2 JP H0344121B2 JP 31459887 A JP31459887 A JP 31459887A JP 31459887 A JP31459887 A JP 31459887A JP H0344121 B2 JPH0344121 B2 JP H0344121B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- die
- pin
- twisted
- angle
- 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
- 239000000463 material Substances 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 22
- 239000013067 intermediate product Substances 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000465 moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B21C23/147—Making drill blanks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31459887A JPH01156405A (ja) | 1987-12-10 | 1987-12-10 | ねじれ孔付きドリル中間品の押出し成形装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31459887A JPH01156405A (ja) | 1987-12-10 | 1987-12-10 | ねじれ孔付きドリル中間品の押出し成形装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01156405A JPH01156405A (ja) | 1989-06-20 |
JPH0344121B2 true JPH0344121B2 (zh) | 1991-07-05 |
Family
ID=18055225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31459887A Granted JPH01156405A (ja) | 1987-12-10 | 1987-12-10 | ねじれ孔付きドリル中間品の押出し成形装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01156405A (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT400687B (de) * | 1989-12-04 | 1996-02-26 | Plansee Tizit Gmbh | Verfahren und strangpresswerkzeug zur herstellung eines rohlings mit innenliegenden bohrungen |
DE4120165C2 (de) * | 1990-07-05 | 1995-01-26 | Friedrichs Konrad Kg | Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikstabes |
JPH05117717A (ja) * | 1991-10-25 | 1993-05-14 | Kobe Steel Ltd | 螺旋孔を有する棒状部材の押出成形方法及び装置 |
US5342189A (en) * | 1992-10-01 | 1994-08-30 | Mitsubishi Aluminum Co., Ltd. | Extrusion dies |
DE10229325B4 (de) * | 2002-06-29 | 2005-06-09 | Arno Friedrichs | Strangpresswerkzeug zur Herstellung eines aus plastischer Masse bestehenden zylindrischen Körpers |
DE10229326A1 (de) * | 2002-06-29 | 2004-01-29 | Arno Friedrichs | Strangpresswerkzeug zur Herstellung eines aus plastischer Masse bestehenden zylindrischen Körpers |
-
1987
- 1987-12-10 JP JP31459887A patent/JPH01156405A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH01156405A (ja) | 1989-06-20 |
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