CN109482707B - Hydraulic cutting finish machining device - Google Patents

Hydraulic cutting finish machining device Download PDF

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CN109482707B
CN109482707B CN201811267808.0A CN201811267808A CN109482707B CN 109482707 B CN109482707 B CN 109482707B CN 201811267808 A CN201811267808 A CN 201811267808A CN 109482707 B CN109482707 B CN 109482707B
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hydraulic expansion
mounting plate
cutting die
pressure
piece
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CN109482707A (en
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冯正伟
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Anhui Deli Auto Parts Co ltd
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Anhui Deli Auto Parts Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/22—Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke

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  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)

Abstract

The invention discloses a hydraulic cutting and finish machining device which comprises a base, wherein the left end and the right end of the base are fixed with an installation beam at the top end through stand columns, the left end and the right end of the bottom of the installation beam are fixed with a mounting plate at the bottom through a left hydraulic expansion piece and a right hydraulic expansion piece, a left pressure sensor is arranged between the left hydraulic expansion piece and the mounting plate, a right pressure sensor is arranged between the right hydraulic expansion piece and the mounting plate, a cutting die is fixed at the bottom of the mounting plate, a positioning pin matched with a workpiece is fixed at the top end of the base, the workpiece is placed on the base and is fixed by the positioning pin, the cutting die matched with the workpiece to be machined is selected, and the initial value of a pressure sensing piece; in the implementation of the invention, the traditional CNC machining is replaced by the downward pressing and cutting of the cutting die, so that the efficiency is higher; the left hydraulic expansion piece and the right hydraulic expansion piece are analyzed to synchronously apply pressure downwards, the pressure of the left hydraulic expansion piece and the right hydraulic expansion piece is controlled, the cutting die is prevented from being broken, once reciprocating pressing is completed in the implementation of the device, and the efficiency is higher.

Description

Hydraulic cutting finish machining device
Technical Field
The invention relates to the field of finish machining of metal workpieces, in particular to a hydraulic cutting finish machining device.
Background
After the metal casting part is demoulded, due to the problems of a mould and a casting process, burrs appear on the surface of the workpiece and the error exceeding the tolerance range is caused, the reprocessing by using CNC is high in cost, and the processing efficiency is low.
In a patent with the patent number of CN105208835B, a processing technology of a bent aluminum pipe water-cooling die-casting cavity is disclosed, and the bent aluminum pipe water-cooling die-casting cavity is used for heat dissipation of electronic components, and is characterized by comprising the following steps: s1, selecting a wrong tube with a wall thickness of 1-2 mm, and removing burrs at the port of the wrong tube; 2, annealing the aluminum pipe, heating the aluminum pipe to 500 ℃ C51 (TC, keeping the temperature for 6h, and cooling the aluminum pipe with the furnace, S3, bending the aluminum pipe, namely placing the aluminum pipe on a bending device in a forming die, bending the aluminum pipe according to a processing drawing, S4, welding a water nozzle, respectively welding two ports of the aluminum pipe with the water nozzle, S5, strengthening the aluminum pipe, wherein after the step S4 is finished, the aluminum pipe is heated to 520-535, keeping the temperature for 50min, after the aluminum pipe is taken out of the die, water quenching and cooling are carried out, the aluminum pipe is heated to l70 ℃ C175 ℃ after cooling, the temperature is kept for 2.5h, heating 19 again (TC-20 (TC, keeping the temperature for 2h; S6, after the step S5 is finished, the bent aluminum pipe is placed in the die-casting die, and is positioned by a positioning device in the aluminum pipe, S7, die-casting machine, casting the aluminum pipe into a die-casting machine, pressing and injecting the die-casting solution, Opening the mould to take out the casting, wherein the injection is completed, the aluminum alloy and the aluminum pipe are tightly combined into a whole under the action of pressurization, and the mould is opened to take out the casting after the pressure of the casting is maintained for 10 s-15 s; and S9, deburring, and performing local CNC (computer numerical control) machining to obtain the water-cooling heat-dissipation die-casting cavity of the bent aluminum pipe. CNC is used for deep machining of cast parts, but the efficiency is low.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a hydraulic cutting and finishing device which can increase the deep processing efficiency of a cast part.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a hydraulic cutting and finish machining device comprises a base, wherein the left end and the right end of the base are fixed with a mounting beam at the top end through stand columns, the left end and the right end of the bottom of the mounting beam are fixed with a mounting plate at the bottom through a left hydraulic expansion bend and a right hydraulic expansion bend, a left pressure sensor is arranged between the left hydraulic expansion bend and the mounting plate, a right pressure sensor is arranged between the right hydraulic expansion bend and the mounting plate, a cutting die is fixed at the bottom of the mounting plate, and a positioning pin matched with a workpiece is fixed at the top end of the base;
the bottom end of the left hydraulic expansion piece is provided with a left protruding part, and a first pressure sensing piece, a second pressure sensing piece, a third pressure sensing piece and a fourth pressure sensing piece which are abutted with the inner cavity of the mounting plate are sequentially arranged on the left protruding part from the upper left corner in a clockwise mode;
the right side hydraulic pressure expansion bend bottom is provided with right protruding portion, and right protruding portion has set gradually the fifth forced induction piece, the sixth forced induction piece, the seventh forced induction piece, the eighth forced induction piece with the inner chamber butt of mounting panel clockwise by the upper left corner.
Further, the mounting plate and the cutting die are detachably fixed.
Furthermore, a casing is fixed on the top of the base.
A hydraulic cutting and finish machining method comprises the following steps:
step S1: placing a workpiece on a base and fixing the workpiece by using a positioning pin;
step S2: selecting a cutting die matched with a workpiece to be processed, and fixing the cutting die at the bottom of the mounting plate 8;
step S3: recording the moment of the pressure-sensitive strip
Figure DEST_PATH_IMAGE002
Initial value of (a):
Figure DEST_PATH_IMAGE004
、
Figure DEST_PATH_IMAGE006
、
Figure DEST_PATH_IMAGE008
、
Figure DEST_PATH_IMAGE010
、
Figure DEST_PATH_IMAGE012
、
Figure DEST_PATH_IMAGE014
、
Figure DEST_PATH_IMAGE016
、
Figure DEST_PATH_IMAGE018
；
step S4: the left hydraulic expansion piece and the right hydraulic expansion piece synchronously apply pressure downwards, and the pressure induction piece is recorded and recorded in real time
Figure DEST_PATH_IMAGE020
Value of time of day
Figure DEST_PATH_IMAGE022
、
Figure DEST_PATH_IMAGE024
、
Figure DEST_PATH_IMAGE026
、
Figure DEST_PATH_IMAGE028
、
Figure DEST_PATH_IMAGE030
、
Figure DEST_PATH_IMAGE032
、
Figure DEST_PATH_IMAGE034
、
Figure DEST_PATH_IMAGE036
；
Step S5: analyzing the left end stress condition of the cutting die
Figure DEST_PATH_IMAGE038
+
Figure DEST_PATH_IMAGE040
If, if
Figure DEST_PATH_IMAGE042
，
Figure DEST_PATH_IMAGE044
If, if
Figure DEST_PATH_IMAGE046
，
Figure DEST_PATH_IMAGE048
If, if
Figure DEST_PATH_IMAGE050
，
Wherein
Figure DEST_PATH_IMAGE052
The bottom of the mounting plate is fixed with the dead weight of the cutting die;
step S6: analyzing the right end stress condition of the cutting die
Figure DEST_PATH_IMAGE054
+
Figure DEST_PATH_IMAGE056
If, if
Figure DEST_PATH_IMAGE058
，
Figure DEST_PATH_IMAGE060
If, if
Figure DEST_PATH_IMAGE062
，
Figure DEST_PATH_IMAGE064
If, if
Figure DEST_PATH_IMAGE066
，
Wherein
Figure 855112DEST_PATH_IMAGE052
The bottom of the mounting plate is fixed with the dead weight of the cutting die;
analyzing the overall stress condition of the cutting die as follows
Figure DEST_PATH_IMAGE068
；
Step S7: control of
Figure DEST_PATH_IMAGE070
And is and
Figure DEST_PATH_IMAGE072
wherein
Figure DEST_PATH_IMAGE074
Bearing the maximum pressure for the workpiece;
step S8: after finishing processing, the left hydraulic expansion piece and the right hydraulic expansion piece synchronously ascend to separate the cutting die from the workpiece.
Further, in the step S7
Figure DEST_PATH_IMAGE076
Wherein
Figure DEST_PATH_IMAGE078
The pressure applied to the left hydraulic jack and the right hydraulic jack,
Figure DEST_PATH_IMAGE080
the contact area of the bottom of the mounting plate and the cutting die is shown.
The benefit effects of the invention are:
the traditional CNC machining is replaced by the downward pressing cutting of the cutting die, so that the efficiency is higher; the left hydraulic expansion piece and the right hydraulic expansion piece are analyzed to synchronously apply pressure downwards, the pressure of the left hydraulic expansion piece and the right hydraulic expansion piece is controlled, the cutting die is prevented from being broken, once reciprocating pressing is completed in the implementation of the device, and the efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hydraulic cutting and finishing device according to the present invention;
FIG. 2 is a schematic structural diagram of the left pressure sensor according to the present invention;
FIG. 3 is a schematic structural view of the right pressure sensor according to the present invention;
FIG. 4 is a flow chart of a hydraulic cutting finishing method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, the present invention is:
a hydraulic cutting and finish machining device comprises a base 1, wherein the left end and the right end of the base 1 are fixed with a mounting beam 3 at the top end through a stand column 2, the left end and the right end of the bottom of the mounting beam 3 are fixed with a mounting plate 8 at the bottom through a left hydraulic expansion bend 4 and a right hydraulic expansion bend 5, a left pressure sensor 6 is arranged between the left hydraulic expansion bend 4 and the mounting plate 8, a right pressure sensor 7 is arranged between the right hydraulic expansion bend 5 and the mounting plate 8, a cutting die 9 is fixed at the bottom of the mounting plate 8, and a positioning pin 11 matched with a workpiece is fixed at the top end of the base 1;
the bottom end of the left hydraulic expansion piece 4 is provided with a left protruding part 41, and the left protruding part 41 is provided with a first pressure sensing piece 61, a second pressure sensing piece 62, a third pressure sensing piece 63 and a fourth pressure sensing piece 64 which are abutted with an inner cavity 81 of the mounting plate 8 from the upper left corner in a clockwise manner;
the bottom end of the right hydraulic expansion piece 5 is provided with a right protruding part 51, and the right protruding part 51 is provided with a fifth pressure sensing piece 71, a sixth pressure sensing piece 72, a seventh pressure sensing piece 73 and an eighth pressure sensing piece 74 which are abutted with the inner cavity 81 of the mounting plate 8 from the upper left corner in a clockwise manner.
In one preferred embodiment, the mounting plate 6 is detachably fixed to the cutting die 7.
In a preferred embodiment of the present invention, a housing 10 is further fixed to the top of the base 1.
A hydraulic cutting and finish machining method comprises the following steps:
step S1: placing a workpiece on the base 1 and fixing the workpiece by using the positioning pin 11;
step S2: selecting a cutting die 9 matched with a workpiece to be processed, and fixing the cutting die at the bottom of the mounting plate 8;
step S3: the recording pressure- sensitive sheets 61, 62, 63, 64, 71, 72, 73, 74 at this time
Figure 206328DEST_PATH_IMAGE002
Initial value of (a):
Figure 713533DEST_PATH_IMAGE004
、
Figure 254235DEST_PATH_IMAGE006
、
Figure 944978DEST_PATH_IMAGE008
、
Figure 545724DEST_PATH_IMAGE010
、
Figure 540224DEST_PATH_IMAGE012
、
Figure 884618DEST_PATH_IMAGE014
、
Figure 648175DEST_PATH_IMAGE016
、
Figure 950980DEST_PATH_IMAGE018
；
step S4: the left hydraulic expansion piece 4 and the right hydraulic expansion piece 5 synchronously apply downward pressure, and record the pressure sensing sheets 61, 62, 63, 64, 71, 72, 73 and 74 in real time
Figure 167198DEST_PATH_IMAGE020
Value of time of day
Figure 315282DEST_PATH_IMAGE022
、
Figure 933345DEST_PATH_IMAGE024
、
Figure 407052DEST_PATH_IMAGE026
、
Figure 110566DEST_PATH_IMAGE028
、
Figure 796762DEST_PATH_IMAGE030
、
Figure 301955DEST_PATH_IMAGE032
、
Figure 680984DEST_PATH_IMAGE034
、
Figure 871794DEST_PATH_IMAGE036
；
Step S5: analyzing the left end stress condition of the cutting die 9
Figure 361681DEST_PATH_IMAGE038
+
Figure 688757DEST_PATH_IMAGE040
If, if
Figure 504266DEST_PATH_IMAGE042
，
Figure 182372DEST_PATH_IMAGE044
If, if
Figure 475950DEST_PATH_IMAGE046
，
Figure 923112DEST_PATH_IMAGE048
If, if
Figure 378364DEST_PATH_IMAGE050
，
Wherein
Figure 809346DEST_PATH_IMAGE052
The bottom of the mounting plate 8 is fixed with the dead weight of the cutting die 9;
step S6: analyzing the stress condition of the right end of the cutting die 9
Figure 641036DEST_PATH_IMAGE054
+
Figure 208283DEST_PATH_IMAGE056
If, if
Figure 834437DEST_PATH_IMAGE058
，
Figure 251249DEST_PATH_IMAGE060
If, if
Figure 886630DEST_PATH_IMAGE062
，
Figure 42805DEST_PATH_IMAGE064
If, if
Figure 105439DEST_PATH_IMAGE066
，
Wherein
Figure 979854DEST_PATH_IMAGE052
The bottom of the mounting plate 8 is fixed with the dead weight of the cutting die 9;
analyzing the overall stress condition of the cutting die 9 as follows
Figure 684505DEST_PATH_IMAGE068
；
Step S7: control of
Figure 960765DEST_PATH_IMAGE070
And is and
Figure 194300DEST_PATH_IMAGE072
wherein
Figure 821591DEST_PATH_IMAGE074
Bearing the maximum pressure for the workpiece;
step S8: after the machining is finished, the left hydraulic expansion piece 4 and the right hydraulic expansion piece 5 are lifted synchronously, and the cutting die 9 and the workpiece are separated.
One of the preferred embodiments of the present invention is that in step S7
Figure DEST_PATH_IMAGE076A
Wherein
Figure DEST_PATH_IMAGE082
The pressure applied to the left hydraulic jack 4 and the right hydraulic jack 5,
Figure DEST_PATH_IMAGE084
the contact area of the bottom of the mounting plate 8 with the cutting die 9.
One specific application of this embodiment is:
first, a workpiece is placed on the base 1 and fixed using the positioning pins 11, the cutting die 9 matching the workpiece to be processed is selected, and the initial values of the pressure- sensitive sheets 61, 62, 63, 64, 71, 72, 73, 74 are recorded:
Figure DEST_PATH_IMAGE086
、
Figure DEST_PATH_IMAGE088
、
Figure DEST_PATH_IMAGE090
、
Figure DEST_PATH_IMAGE092
、
Figure DEST_PATH_IMAGE094
、
Figure DEST_PATH_IMAGE096
、
Figure DEST_PATH_IMAGE098
、
Figure DEST_PATH_IMAGE100
；
afterwards, left hydraulic pressure expansion bend 4 and right hydraulic pressure expansion bend 5 exert pressure downwards in step, in order to let the even atress of cutting die 9, vertical work piece of processing downwards will guarantee that both ends atress is balanced about cutting die 9, the pressure of analysis cutting die 9 left end this moment:
Figure 80665DEST_PATH_IMAGE038
+
Figure 211432DEST_PATH_IMAGE040
if, if
Figure 385842DEST_PATH_IMAGE042
The first pressure-sensitive sheet 61 and the second pressure-sensitive sheet 62 are not subjected to pressure, and all the pressure is applied to the cutting die 9 at this time,
Figure 234850DEST_PATH_IMAGE044
if, if
Figure 750144DEST_PATH_IMAGE046
The third pressure-sensitive sheet 63 and the fourth pressure-sensitive sheet 64 are not pressurized, and at this time, no pressure is applied to the cutting die 9,
Figure DEST_PATH_IMAGE102
if, if
Figure DEST_PATH_IMAGE104
At the moment, the cutting die 9 is subjected to the resultant force of the tensile force of the left hydraulic expansion piece 4 and the right hydraulic expansion piece 5 and the gravity;
in order to avoid the fracture caused by the over-high shearing force in the processing process of the cutting die 9, the pressure difference between the left hydraulic expansion piece 4 and the right hydraulic expansion piece 5 is limited,
Figure DEST_PATH_IMAGE076AA
wherein
Figure DEST_PATH_IMAGE107
The pressure applied to the left hydraulic jack 4 and the right hydraulic jack 5,
Figure DEST_PATH_IMAGE108
the contact area of the bottom of the mounting plate 8 with the cutting die 9.
In the above-mentioned operation, compare traditional mode, use cutting die 9 to push down the cutting and replace traditional CNC processing, efficiency is higher.
In the description herein, references to the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (3)

1. The utility model provides a hydraulic pressure cuts finish machining device which characterized in that: the device comprises a base (1), wherein the left end and the right end of the base (1) are fixed with a mounting beam (3) at the top end through an upright post (2), the left end and the right end of the bottom of the mounting beam (3) are fixed with a mounting plate (8) at the bottom through a left hydraulic expansion bend (4) and a right hydraulic expansion bend (5), a left pressure sensor (6) is arranged between the left hydraulic expansion bend (4) and the mounting plate (8), a right pressure sensor (7) is arranged between the right hydraulic expansion bend (5) and the mounting plate (8), a cutting die (9) is fixed at the bottom of the mounting plate (8), and a positioning pin (11) matched with a workpiece is fixed at the top end of the;
the bottom end of the left hydraulic expansion piece (4) is provided with a left protruding part (41), and the left protruding part (41) is provided with a first pressure sensing piece (61), a second pressure sensing piece (62), a third pressure sensing piece (63) and a fourth pressure sensing piece (64) which are abutted with an inner cavity (81) of the mounting plate (8) from the upper left corner in a clockwise manner;
the bottom end of the right hydraulic expansion piece (5) is provided with a right protruding part (51), and the right protruding part (51) is provided with a fifth pressure sensing piece (71), a sixth pressure sensing piece (72), a seventh pressure sensing piece (73) and an eighth pressure sensing piece (74) which are abutted against an inner cavity (81) of the mounting plate (8) from the upper left corner in sequence in a clockwise manner;
the method comprises the following steps:
step S1: placing a workpiece on a base (1) and fixing the workpiece by using a positioning pin (11);
step S2: selecting a cutting die (9) matched with a workpiece to be processed, and fixing the cutting die at the bottom of the mounting plate (8);
step S3: recording the pressure-sensitive strip (61, 62, 63, 64, 71, 72, 73, 74) at this time (
Figure DEST_PATH_IMAGE001
) Initial value of (a):
Figure 689709DEST_PATH_IMAGE002
、
Figure DEST_PATH_IMAGE003
、
Figure 403587DEST_PATH_IMAGE004
、
Figure DEST_PATH_IMAGE005
、
Figure 714483DEST_PATH_IMAGE006
、
Figure DEST_PATH_IMAGE007
、
Figure 142315DEST_PATH_IMAGE008
、
Figure DEST_PATH_IMAGE009
；
step S4: the left hydraulic expansion piece (4) and the right hydraulic expansion piece (5) synchronously apply downward pressure, and the pressure sensing sheets (61, 62, 63, 64, 71, 72, 73, 74) are recorded and recorded in real time
Figure 753425DEST_PATH_IMAGE010
Value of time of day
Figure DEST_PATH_IMAGE011
、
Figure 107046DEST_PATH_IMAGE012
、
Figure DEST_PATH_IMAGE013
、
Figure 170817DEST_PATH_IMAGE014
、
Figure DEST_PATH_IMAGE015
、
Figure 900876DEST_PATH_IMAGE016
、
Figure DEST_PATH_IMAGE017
、
Figure 366492DEST_PATH_IMAGE018
；
Step S5: analyzing the left end stress condition of the cutting die (9)
Figure DEST_PATH_IMAGE019
；
Step S6: analyzing the stress condition of the right end of the cutting die (9)
Figure 389549DEST_PATH_IMAGE020
；
Analyzing the overall stress condition of the cutting die (9) as follows
Figure DEST_PATH_IMAGE021
；
Step S7: control of
Figure 940616DEST_PATH_IMAGE022
And is and
Figure DEST_PATH_IMAGE023
wherein
Figure 208787DEST_PATH_IMAGE024
Bearing the maximum pressure for the workpiece;
step S8: after the machining is finished, the left hydraulic expansion piece (4) and the right hydraulic expansion piece (5) synchronously ascend, and the cutting die (9) is separated from the workpiece.
2. A hydraulic cut finishing device according to claim 1, characterized in that: the mounting plate (6) and the cutting die (7) are detachably fixed.
3. A hydraulic cut finishing device according to claim 1, characterized in that: the top of the base (1) is also fixed with a shell (10).
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010008255A1 (en) * 2010-02-17 2011-08-18 GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. Press for forming body parts for car from flat material, has assembling areas distributed in intermediate space between carriers and molding tools in regular pattern, where supports are fastenable at assembling areas
CN204148424U (en) * 2014-08-27 2015-02-11 山东科技大学 A kind of amorphous metal forming of glass system with cold cycling
CN206048868U (en) * 2016-08-27 2017-03-29 上海科正模具有限公司 A kind of stamping mold water material compression device
CN206981464U (en) * 2017-07-31 2018-02-09 厦门盈发实业有限公司 A kind of detection means of backboard diel
JP2018164939A (en) * 2017-03-28 2018-10-25 Ｊｆｅスチール株式会社 Measuring device and method for press molding load

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010008255A1 (en) * 2010-02-17 2011-08-18 GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Mich. Press for forming body parts for car from flat material, has assembling areas distributed in intermediate space between carriers and molding tools in regular pattern, where supports are fastenable at assembling areas
CN204148424U (en) * 2014-08-27 2015-02-11 山东科技大学 A kind of amorphous metal forming of glass system with cold cycling
CN206048868U (en) * 2016-08-27 2017-03-29 上海科正模具有限公司 A kind of stamping mold water material compression device
JP2018164939A (en) * 2017-03-28 2018-10-25 Ｊｆｅスチール株式会社 Measuring device and method for press molding load
CN206981464U (en) * 2017-07-31 2018-02-09 厦门盈发实业有限公司 A kind of detection means of backboard diel

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Denomination of invention: A hydraulic cutting and finishing device

Effective date of registration: 20220830

Granted publication date: 20210202

Pledgee: Ningguo SME financing Company limited by guarantee

Pledgor: ANHUI DELI AUTO PARTS Co.,Ltd.

Registration number: Y2022980013959