CN109433988A - A kind of continuous press forging forming process of taper counter sink and mold - Google Patents
A kind of continuous press forging forming process of taper counter sink and mold Download PDFInfo
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- CN109433988A CN109433988A CN201811279224.5A CN201811279224A CN109433988A CN 109433988 A CN109433988 A CN 109433988A CN 201811279224 A CN201811279224 A CN 201811279224A CN 109433988 A CN109433988 A CN 109433988A
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- hole
- counter sink
- station
- punch
- pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention discloses a kind of continuous press forging forming process of taper counter sink and mold, including cavity plate, and there are four stations for setting on cavity plate；At first station: one hole shape of punching is quincuncial through-hole；At second station: pressure angle is slightly smaller than the bellmouth of final frustoconical bevel angle；At 3rd station: reversed to flatten；At 4th station: repairing centre bore.The present invention uses the progressive die, and an automatic material feeding continuous punching is swaged into shape, and forming efficiency is high；The problems such as can preventing the hole spalling occurred when traditional taper counter sink press forging and forming, outer dimension from changing greatly；Part accuracy is promoted, rejection rate is reduced, reduces manufacturing cost.
Description
Technical field
Term press forging and forming technical field of the present invention, in particular to a kind of taper counter sink press forging forming process and mold.
Background technique
Taper counter sink is usually used in installing bolt or other connecting components, its effect is that bolt head is made to be embedded to part
Inside does not influence the service performances such as appearance and rotation without part is exceeded.
Traditional taper counter sink generally uses mach method, there is a problem that production efficiency is low, at high cost,
Seem very passive when in face of producing in enormous quantities.
And metal blank press forging and forming, such as rushing bottom outlet ,+sink head bore, sink head+break through hole, rush bottom outlet+sink head bore+to repair
Several techniques such as centre bore are still used to produce the taper counter sink on cut deal, then producing shallow taper counter sink and being also possible that
Material flows over more caused hole spallings outward when be easy to causeing sink head bore, product outer dimension changes excessive, dimension overproof
The problems such as.
Summary of the invention
The purpose of the present invention is to provide a kind of continuous press forging forming process of taper counter sink and molds, to solve above-mentioned skill
Art problem.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of continuous press forging and forming mold of taper counter sink, including cavity plate, there are four stations for setting on cavity plate；
At first station: the first station of cavity plate is equipped with punching die hole, is correspondingly arranged on the first punch-pin on punching die hole；
The first blank holder of plate for compressing blank is additionally provided on first station；First flanging circle center offers aperture greater than first
The first through hole of punch-pin, so that the first punch-pin passes through；
At second station: the second station of cavity plate is equipped with pressure pre-formed conical counter sink die hole, presses pre-formed conical counter sink
The second punch-pin that front end has rotary table is correspondingly arranged on die hole；The plate second for compressing blank is additionally provided in second station
Blank holder；Second flanging circle center offers the second through-hole that diameter is greater than the second convex mould diameter, so that the second punch-pin passes through；
At 3rd station: being plane at the 3rd station of cavity plate；Strength locating back is equipped with above the 3rd station of cavity plate, by force
Plate lower part is forced equipped with rotary table；Rotary table is identical with the frustoconical bevel angle of final taper counter sink；
At 4th station: the 4th station of cavity plate is equipped with and repairs hole die hole；Cylinder is equipped with above 4th station, and to repair hole convex
Mould and third blank holder；The bottom of third blank holder is equipped with boss, and third blank holder is equipped with and can pass through for repairing hole punch-pin
Third through-hole；Third through-hole runs through boss center.
Further, the first punch-pin and punching die hole cooperate, and the aperture in the pre- hole for obtaining diecut blank is greater than final cone
The osculum diameter of shape counter sink and be less than final taper counter sink big mouth diameter.
Further, the cross section of the first punch-pin and punching die hole is quincunx, and the cross-sectional shape in pre- hole is similar to
It is quincunx, convenient for material when the postorder pressure conical surface to center flow.
Further, the rotary table angle of the rotary table of the second punch-pin is 100- smaller than the frustoconical bevel angle for finally obtaining taper counter sink
200。
Further, it presses the diameter of pre-formed conical counter sink die hole bigger than the maximum diameter of hole in piercing die hole, but is less than prefabricated
The big mouth diameter of the taper counter sink conical surface, and the die hole aperture of pre-formed conical counter sink die hole is pressed to have fillet, it is flowed into convenient for material
It presses in pre-formed conical counter sink die hole.
Further, the diameter for repairing hole punch-pin is identical as the end diameter of final taper counter sink.
Further, hole die hole and punch-pin tolerance fit are repaired on the 4th station of cavity plate.
Further, strength locating back lower part is equipped with rotary table, and rotary table center is equipped with fourth hole, and rotary table bottom is cambered surface,
When the protrusion of process part processing convenient for will obtain at second station reversely flattens, material can be smoothly to center flow.
A kind of continuous press forging forming process of taper counter sink, comprising the following steps:
Process 1, punching: blank is pressed on the first station of cavity plate by the first blank holder, and the first punch-pin diecut blank obtains
Process part processing with pre- hole；
Process 2, pressure pre-formed conical counter sink: the process part processing with pre- hole that process 1 is obtained is transferred in second station；The
After two blank holders push down process part processing, front end presses down a pre-formed conical counter sink with the second punch-pin of rotary table；And process
The part metals of part, which flow downward, forms protrusion into pressure pre-formed conical counter sink die hole；The cone angle of pre-formed conical counter sink is less than
The cone angle of final taper counter sink；
Process 3 flattens: the acquisition process part processing of process 2 being sent to 3rd station, is finally obtained process 2 using strength locating back
The protrusion of the process part processing obtained is reversed to be flattened and carries out shaping to pre-formed conical counter sink；
Process 4 repairs centre bore: the process part processing that process 3 obtains is pressed on the 4th station of cavity plate by third blank holder, cylinder
Shape repairs the centre bore of hole punch-pin diecut blank, and the extra metal material in removal centre bore center obtains final taper counter sink.
Compared with the existing technology, the invention has the following advantages:
1, using the progressive die, an automatic material feeding continuous punching is swaged into shape, and forming efficiency is high.
2, the problems such as can preventing the hole spalling occurred when traditional taper counter sink press forging and forming, outer dimension from changing greatly.
3, part accuracy is promoted, rejection rate is reduced, reduces manufacturing cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram at a kind of continuous the first station of press forging and forming mold of taper counter sink of the present invention；
Fig. 2 is the cross-sectional shape in the pre- hole of the present invention；
Fig. 3 is structural schematic diagram at a kind of continuous press forging and forming mold second station of taper counter sink of the present invention；
Fig. 4 is structural schematic diagram at a kind of continuous press forging and forming mold 3rd station of taper counter sink of the present invention；
Fig. 5 is partial enlarged view at 3rd station of the present invention；
Fig. 6 is structural schematic diagram at a kind of continuous the 4th station of press forging and forming mold of taper counter sink of the present invention；
Fig. 7 is the structural schematic diagram of blank of the invention after process 1 to process 4 shapes.
Specific embodiment
A kind of continuous press forging and forming mold of taper counter sink of the present invention, including cavity plate 2, there are four stations for setting on cavity plate 2；
Refering to Figure 1, at the first station: the first station of cavity plate 2 is equipped with punching die hole 21, on punching die hole 21
It is correspondingly arranged on the first punch-pin 1；The first blank holder of plate 3 for compressing blank 10 is additionally provided on first station；First flanging
It encloses 3 centers and offers the first through hole that aperture is greater than the first punch-pin, so that the first punch-pin 1 passes through.First punch-pin 1 and punching die hole
21 cooperations guarantee that the aperture in the pre- hole 101 that diecut blank 10 obtains is greater than the hole diameter of final taper counter sink and is less than most
The big mouth diameter of whole taper counter sink.As shown in Figure 2 quincunx of the cross-sectional shape in pre- hole 101.
It please referring to shown in Fig. 3, at second station: the second station of cavity plate 2 is equipped with pressure pre-formed conical counter sink die hole 22,
The second punch-pin 11 that front end has rotary table is correspondingly arranged on pressure pre-formed conical counter sink die hole 22；Use is additionally provided in second station
In the second blank holder of plate 31 for compressing blank 10；Second blank holder, 31 center offers diameter greater than 11 diameter of the second punch-pin
Second through-hole, so that the second punch-pin 11 passes through.The rotary table angle of the rotary table of second punch-pin 11 is than finally obtaining taper counter sink
Frustoconical bevel angle is 10 ° -20 ° small.The diameter of the pressure pre-formed conical counter sink die hole 22 of the second station of cavity plate 2 is than piercing die hole 21
Maximum diameter of hole is big, but is less than the big mouth diameter of the pre-formed conical counter sink conical surface, and presses the die hole hole of pre-formed conical counter sink die hole 22
Mouth has small round corner, flows into pressure pre-formed conical counter sink die hole 22 convenient for material.
It please refers to shown in Fig. 4 and Fig. 5, at 3rd station: being plane at the 3rd station of cavity plate 2；The 3rd station of cavity plate 2
Top is equipped with strength locating back 4, and 4 lower part of strength locating back is equipped with rotary table 41；Rotary table 41 and final taper counter sink frustoconical bevel angle
It is identical.41 center of rotary table is equipped with a fourth hole, and 41 bottom of rotary table is cambered surface, convenient for the process part processing that will be obtained at second station
Protrusion 111 reversely flatten when, material can be smoothly to center flow, and has free-flowing space always.
It please refers to shown in Fig. 6, at the 4th station: the 4th station of cavity plate 2 is equipped with and repairs hole die hole 23；Above 4th station
Hole punch-pin 5 and third blank holder 33 are repaired equipped with cylinder；The bottom of third blank holder 33 is equipped with boss 330, third blank holder 33
It is equipped with the third through-hole 3300 that can be passed through for repairing hole punch-pin 5；Third through-hole 3300 runs through 330 center of boss；Repair hole punch-pin 5
Diameter it is identical as final taper counter sink end diameter, the hole die hole 23 of repairing on the 4th station of cavity plate 2 is matched with 5 tolerance of punch-pin
It closes.
A kind of continuous press forging forming process of taper counter sink of the present invention, comprising the following steps:
Process 1, punching:
Refering to Figure 1, blank 10 is pressed on the first station of cavity plate 2 by the first blank holder 3, the punching of the first punch-pin 1
Blank 10 obtains the process part processing for having pre- hole 101, and the aperture in the pre- hole 101 which obtains is greater than final
The hole diameter of taper counter sink and be less than final taper counter sink big mouth diameter.
As shown in Figure 2 quincunx of the cross-sectional shape in pre- hole 101.
The slightly smaller bellmouth of process 2, pressure angle:
It please refers to shown in Fig. 3, next, forging and pressing out the slightly smaller pre-formed conical counter sink 110 of an angle in process 2.It will
The process part processing with pre- hole 101 that process 1 obtains is transferred in second station, and the second station of cavity plate 2 is equipped with pressure pre-formed conical
Counter sink die hole 22；After second blank holder 31 pushes down process part processing, front end presses down one in advance with the second punch-pin 11 of rotary table
Taper counter sink 110 processed, wherein the rotary table angle of the second punch-pin 11 is smaller by 10 than final acquisition taper countersunk head orifice angle0-200.It is recessed
The diameter of the pressure pre-formed conical counter sink die hole 22 of the second station of mould 2 is bigger than the maximum diameter of hole in piercing die hole 21, but is less than pre-
The big mouth diameter of the taper counter sink conical surface processed, and the die hole aperture of pre-formed conical counter sink die hole 22 is pressed to have small round corner.
It allows the metal of process part processing to flow downward as far as possible and forms protrusion 111 into pressure pre-formed conical counter sink die hole 22, or
It is to center flow, rather than to cause hole spalling and outer dimension to change excessive for flowing outward.
Process 3 flattens:
It please refers to shown in Fig. 4 and Fig. 5, the process part processing that process 2 obtains is sent to 3rd station, it will using strength locating back 4
The protrusion 111 for the process part processing that process 2 finally obtains reversely flattens and carries out shaping to the conical surface of pre-formed conical counter sink 110.By
The conical surface that angle is less than 10 ° -20 ° of final taper counter sink is shaped in preamble, process is flattened and uses strength locating back 4, this is strong
Band rotary table 41 is forced on plate 4, the rotary table 41 is identical with final taper counter sink frustoconical bevel angle, and 41 center of rotary table is equipped with one the
Four through-holes, 41 bottom of rotary table are cambered surface, which is introduced into the pre-formed conical counter sink 110 of preamble formation and flattens work again
Part, the protrusion 111 on process part processing is bent 41 die face of rotary table on then fitting strength locating back 4 back up, process part processing pressure
The conical surface is shaped into final required angle while flat.
Be conducive to material in this way to center flow, and always have the space of free-flowing, caused by preventing material outflow excessive
The problems such as aperture spalling, excessive product outer dimension variation.
Process 4 repairs centre bore:
It please refers to shown in Fig. 6, the process part processing that process 3 obtains is pressed on the 4th station of cavity plate 2 by third blank holder 33, circle
Cylindricality repairs the centre bore of 5 diecut blank 10 of hole punch-pin, and the extra metal material in removal centre bore center obtains final taper countersunk head
Hole 200；The diameter that the process repairs hole punch-pin 5 is identical as final taper counter sink end diameter, repairing on the 4th station of cavity plate 2
Hole die hole 23 and 5 tolerance fit of punch-pin.
The process is mainly used to modify centre bore, obtains surfacing, the accurate taper counter sink of central hole size.
Claims (10)
1. a kind of continuous press forging forming process of taper counter sink, which comprises the following steps:
Process 1, punching: blank (10) is pressed on the first station of cavity plate (2) by the first blank holder (3), the first punch-pin (1) punching
Blank (10) obtains the process part processing for having pre- hole (101)；
Process 2, pressure pre-formed conical counter sink: the process part processing with pre- hole (101) that process 1 is obtained is transferred in second station；
After second blank holder (31) pushes down process part processing, front end presses down a pre-formed conical countersunk head with the second punch-pin (11) of rotary table
Hole (110), and the part metals of process part processing flow downward and form raised (111) into pressure pre-formed conical counter sink die hole (22)；
The cone angle of pre-formed conical counter sink (110) is less than the cone angle of final taper counter sink；
Process 3 flattens: the process part processing that process 2 obtains being sent to 3rd station, is finally obtained process 2 using strength locating back (4)
The protrusion (111) of the process part processing obtained reversely flattens and carries out shaping to pre-formed conical counter sink (110)；
Process 4 repairs centre bore: the process part processing that process 3 obtains is pressed on the 4th station of cavity plate (2) by third blank holder (33),
Cylinder repairs the centre bore of hole punch-pin (5) diecut blank (10), and the extra metal material in removal centre bore center obtains final cone
Shape counter sink (200).
2. a kind of continuous press forging forming process of taper counter sink according to claim 1, which is characterized in that heavy using taper
The continuous press forging and forming mold of head bore carries out continuous press forging and forming to blank and obtains final taper counter sink (200)；The taper is heavy
The continuous press forging and forming mold of head bore includes:
Including cavity plate (2), there are four stations for setting on cavity plate (2)；
At first station: the first station of cavity plate (2) is equipped with punching die hole (21), and the is correspondingly arranged on punching die hole (21)
One punch-pin (1)；The first blank holder of plate (3) for compressing blank (10) is additionally provided on first station；In first blank holder (3)
The heart offers the first through hole that aperture is greater than the first punch-pin (1), so that the first punch-pin (1) passes through；
At second station: the second station of cavity plate (2) is equipped with pressure pre-formed conical counter sink die hole (22), presses pre-formed conical countersunk head
The second punch-pin (11) that front end has rotary table is correspondingly arranged on hole die hole (22)；It is additionally provided in second station for compressing blank
(10) the second blank holder of plate (31)；Second blank holder (31) center offers the of diameter greater than the second punch-pin (11) diameter
Two through-holes, so that the second punch-pin (11) passes through；
At 3rd station: being plane at the 3rd station of cavity plate (2)；Strength locating back is equipped with above the 3rd station of cavity plate (2)
(4), strength locating back (4) lower part is equipped with rotary table (41)；Rotary table (41) is identical with final taper counter sink frustoconical bevel angle；
At 4th station: the 4th station of cavity plate (2) is equipped with and repairs hole die hole (23)；It is equipped with cylinder above 4th station and repairs hole
Punch-pin (5) and third blank holder (33)；The bottom of third blank holder (33) is equipped with boss (330), and third blank holder is set on (33)
There is the third through-hole (3300) that can be passed through for repairing hole punch-pin (5)；Third through-hole (3300) runs through boss (330) center.
3. a kind of continuous press forging forming process of taper counter sink according to claim 1, which is characterized in that the first punch-pin
(1) cooperate with punching die hole (21), the aperture in the pre- hole (101) for obtaining diecut blank (10) is greater than final taper counter sink
Osculum diameter and be less than final taper counter sink big mouth diameter；The rotary table angle of second punch-pin (11) is sunk than the final taper that obtains
The frustoconical bevel angle of head bore is 10 ° -20 ° small；Press the diameter of pre-formed conical counter sink die hole (22) than the largest hole of piercing die hole (21)
Diameter is big, but is less than the big mouth diameter of the pre-formed conical counter sink conical surface, and presses the die hole aperture band of pre-formed conical counter sink die hole (22)
There is fillet, is flowed into pressure pre-formed conical counter sink die hole (22) convenient for material.
4. a kind of continuous press forging and forming mold of taper counter sink, which is characterized in that including cavity plate (2), cavity plate is provided with four on (2)
A station；
At first station: the first station of cavity plate (2) is equipped with punching die hole (21), and the is correspondingly arranged on punching die hole (21)
One punch-pin (1)；The first blank holder of plate (3) for compressing blank (10) is additionally provided on first station；In first blank holder (3)
The heart offers the first through hole that aperture is greater than the first punch-pin (1), so that the first punch-pin (1) passes through；
At second station: the second station of cavity plate (2) is equipped with pressure pre-formed conical counter sink die hole (22), presses pre-formed conical countersunk head
The second punch-pin (11) that front end has rotary table is correspondingly arranged on hole die hole (22)；It is additionally provided in second station for compressing blank
(10) the second blank holder of plate (31)；Second blank holder (31) center offers the of diameter greater than the second punch-pin (11) diameter
Two through-holes, so that the second punch-pin (11) passes through；
At 3rd station: being plane at the 3rd station of cavity plate (2)；Strength locating back is equipped with above the 3rd station of cavity plate (2)
(4), strength locating back (4) lower part is equipped with rotary table (41)；Rotary table (41) is identical with final taper counter sink frustoconical bevel angle；
At 4th station: the 4th station of cavity plate (2) is equipped with and repairs hole die hole (23)；It is equipped with cylinder above 4th station and repairs hole
Punch-pin (5) and third blank holder (33)；The bottom of third blank holder (33) is equipped with boss (330), and third blank holder is set on (33)
There is the third through-hole (3300) that can be passed through for repairing hole punch-pin (5)；Third through-hole (3300) runs through boss (330) center.
5. the continuous press forging and forming mold of a kind of taper counter sink according to claim 4, which is characterized in that the first punch-pin
(1) cooperate with punching die hole (21), the aperture in the pre- hole (101) for obtaining diecut blank (10) is greater than final taper counter sink
Osculum diameter and be less than final taper counter sink big mouth diameter.
6. the continuous press forging and forming mold of a kind of taper counter sink according to claim 4, which is characterized in that the second punch-pin
(11) rotary table angle is 10 ° -20 ° smaller than the frustoconical bevel angle for finally obtaining taper counter sink.
7. the continuous press forging and forming mold of a kind of taper counter sink according to claim 4, which is characterized in that pressure pre-formed conical
The diameter of counter sink die hole (22) is bigger than the maximum diameter of hole of piercing die hole (21), but it is straight to be less than the big mouth of the pre-formed conical counter sink conical surface
Diameter, and the die hole aperture of pre-formed conical counter sink die hole (22) is pressed to have fillet, pressure pre-formed conical counter sink is flowed into convenient for material
In die hole (22).
8. the continuous press forging and forming mold of a kind of taper counter sink according to claim 4, which is characterized in that repair hole punch-pin
(5) diameter is identical as the end diameter of final taper counter sink.
9. the continuous press forging and forming mold of a kind of taper counter sink according to claim 4, which is characterized in that strength locating back
(4) lower part is equipped with rotary table (41)；Rotary table (41) center is equipped with fourth hole；Rotary table (41) bottom is cambered surface.
10. the continuous press forging and forming mold of a kind of taper counter sink according to claim 5, which is characterized in that pre- hole (101)
Cross-sectional shape be it is quincunx.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279224.5A CN109433988B (en) | 2018-10-30 | 2018-10-30 | Continuous stamping and forging forming process and die for conical counter bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279224.5A CN109433988B (en) | 2018-10-30 | 2018-10-30 | Continuous stamping and forging forming process and die for conical counter bore |
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| CN109433988B CN109433988B (en) | 2020-07-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216163A (en) * | 2019-07-04 | 2019-09-10 | 西北工业大学 | Tapered mouth bushing entirety impact extrusion composite forming die and manufacturing process |
| CN114178402A (en) * | 2021-12-10 | 2022-03-15 | 西安建筑科技大学 | Process and die for reducing abrasion of continuous punching die of connecting plate |
| CN114192670A (en) * | 2021-12-10 | 2022-03-18 | 西安建筑科技大学 | Continuous stamping and forging forming process and die for step counter bores |
| CN115194013A (en) * | 2022-06-21 | 2022-10-18 | 桑尼泰克(昆山)精密零部件有限公司 | Thick material salad forming method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU454953A1 (en) * | 1972-07-11 | 1974-12-30 | Проектно-Технологический Научно-Исследовательский Институт Машиностроения И Электротехники | The method of obtaining a hole with a chamfer |
| US4072039A (en) * | 1976-04-30 | 1978-02-07 | Yoshitaka Nakanishi | Method for forming counter-sunk hole in a base material and an apparatus for carrying out the same |
| JPS60137529A (en) * | 1983-12-27 | 1985-07-22 | Amada Metoretsukusu:Kk | Method for forming countersink of platelike member |
| JPH11156457A (en) * | 1997-11-27 | 1999-06-15 | Nikon Corp | Method for forming tapered hole, and manufacture op optical element |
| CN106216489A (en) * | 2016-08-01 | 2016-12-14 | 钜祥精密模具（苏州）有限公司 | A kind of back of the body male counter sink moulding process |
| CN106862374A (en) * | 2017-03-31 | 2017-06-20 | 西安建筑科技大学 | A kind of counter sink press forming die and technique |
| CN108543856A (en) * | 2018-04-03 | 2018-09-18 | 广州华立科技股份有限公司 | A kind of numerical control drilling method of counterbore |
-
2018
- 2018-10-30 CN CN201811279224.5A patent/CN109433988B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU454953A1 (en) * | 1972-07-11 | 1974-12-30 | Проектно-Технологический Научно-Исследовательский Институт Машиностроения И Электротехники | The method of obtaining a hole with a chamfer |
| US4072039A (en) * | 1976-04-30 | 1978-02-07 | Yoshitaka Nakanishi | Method for forming counter-sunk hole in a base material and an apparatus for carrying out the same |
| JPS60137529A (en) * | 1983-12-27 | 1985-07-22 | Amada Metoretsukusu:Kk | Method for forming countersink of platelike member |
| JPH11156457A (en) * | 1997-11-27 | 1999-06-15 | Nikon Corp | Method for forming tapered hole, and manufacture op optical element |
| CN106216489A (en) * | 2016-08-01 | 2016-12-14 | 钜祥精密模具（苏州）有限公司 | A kind of back of the body male counter sink moulding process |
| CN106862374A (en) * | 2017-03-31 | 2017-06-20 | 西安建筑科技大学 | A kind of counter sink press forming die and technique |
| CN108543856A (en) * | 2018-04-03 | 2018-09-18 | 广州华立科技股份有限公司 | A kind of numerical control drilling method of counterbore |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216163A (en) * | 2019-07-04 | 2019-09-10 | 西北工业大学 | Tapered mouth bushing entirety impact extrusion composite forming die and manufacturing process |
| CN110216163B (en) * | 2019-07-04 | 2020-10-27 | 西北工业大学 | Conical nozzle bushing plate integral impact extrusion composite forming die and forming method |
| CN114178402A (en) * | 2021-12-10 | 2022-03-15 | 西安建筑科技大学 | Process and die for reducing abrasion of continuous punching die of connecting plate |
| CN114192670A (en) * | 2021-12-10 | 2022-03-18 | 西安建筑科技大学 | Continuous stamping and forging forming process and die for step counter bores |
| CN114192670B (en) * | 2021-12-10 | 2023-10-20 | 西安建筑科技大学 | Continuous stamping forming process and die for step counter-sunk holes |
| CN114178402B (en) * | 2021-12-10 | 2024-03-15 | 西安建筑科技大学 | Process for reducing abrasion of continuous punching die of connecting plate and die |
| CN115194013A (en) * | 2022-06-21 | 2022-10-18 | 桑尼泰克(昆山)精密零部件有限公司 | Thick material salad forming method |
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