CN107127410A - A kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine - Google Patents
A kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine Download PDFInfo
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- CN107127410A CN107127410A CN201710560931.0A CN201710560931A CN107127410A CN 107127410 A CN107127410 A CN 107127410A CN 201710560931 A CN201710560931 A CN 201710560931A CN 107127410 A CN107127410 A CN 107127410A
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- wheel
- screw
- dismountable
- multi pack
- insulating base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/104—Wire tension control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine, include a wheel bracket and displacement detection bar, described wheel bracket installs window provided with one, a dismountable multi pack support is provided with described installation window, the bottom of described multi pack support is provided with a dismountable driving module, the top of described driving module is provided with a stepper motor, the top of described multi pack support is provided with a dismountable lower insulating base, described lower insulating base is provided with the dismountable upper insulating base of a dismountable pulling force sensor and one.Wire storage tube is in forward or reverse, the size of molybdenum filament tension force is variant thereon, pulling force sensor can monitor tension force unidirectional during wire storage tube forward or reverse, regulation is accurately and reliably, the detection of molybdenum filament tension force is consistent thereon when realizing the forward and reverse operating of wire storage tube, substantially increases the machining accuracy of electric spark linear cutting machine and the reliability of processing.
Description
Technical field
The present invention relates to a kind of linear cutting equipment, more precisely, being a kind of having just for electric spark linear cutting machine
The molybdenum filament constant tension mechanism of inverse detection function.
Background technology
Electric spark linear cutting machine is a kind of important metal-working plant, in order to obtain gratifying process velocity,
The surface smoothness of workpiece and the precision of workpiece, it is necessary to make the constant tension of the cutter of processing, i.e. molybdenum filament.
The content of the invention
The present invention mainly solves the technical problem present in prior art, so as to provide a kind of electric spark linear cutting machine
There is the molybdenum filament constant tension mechanism of forward and reverse detection function.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
The invention discloses a kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine, bag
Containing a wheel bracket and displacement detection bar, described displacement detection bar is removably disposed in the top of described wheel bracket
Portion, the top of described wheel bracket is provided with a dismountable upper tensioning wheel, and the bottom of described wheel bracket is removable provided with one
The lower tensioning wheel unloaded, described wheel bracket is installed in window, described installation window provided with a dismountable connection provided with one
Support is filled, the bottom of described multi pack support removably drives module provided with one, and the top of described multi pack support is provided with one
Insulating base under removably, described lower insulating base removably above insulate provided with a dismountable pulling force sensor and one
Seat, described lower insulating base is fixedly connected with described multi pack support, and described upper insulating base is fixed with described wheel bracket
Connection.
The invention also discloses a kind of molybdenum filament identical tension with forward and reverse detection function of electric spark linear cutting machine
Mechanism, comprising a wheel bracket and displacement detection bar, described displacement detection bar is removably disposed in described guide wheel branch
The top of frame, the head of described displacement detection bar is provided with a dismountable detecting head, and described displacement is detected on the side of bar
Portion is provided with switch base on one, and a side lower part of described displacement detection bar, which is provided with switch base, described upper switch base, to be set
There are initial contact switch and Best Point switch, described lower switch base is provided with a limit contact switch, described guide wheel
The head side of support is provided with one first wheel stand, and the head opposite side of described wheel bracket is provided with one second wheel stand, institute
The afterbody side for the wheel bracket stated is provided with one the 3rd wheel stand, and the afterbody opposite side of described wheel bracket is led provided with one the 4th
Wheel seat, the first described wheel stand is provided with a First Transition wheel, and the second described wheel stand is provided with one second transition wheel, institute
The 3rd wheel stand stated is provided with one the 3rd transition wheel, and described four guide idler seat is provided with one the 4th transition wheel, and described leads
The top of wheel support is provided with a dismountable lower tensioning provided with a dismountable upper tensioning wheel, the bottom of described wheel bracket
Wheel, the side of described wheel bracket is provided with a wire storage tube, and the opposite side of described wheel bracket is provided with capstan and one on one
Lower capstan, described wheel bracket is installed in window, described installation window provided with one is provided with a dismountable multi pack branch
Frame, the bottom of described multi pack support removably drives module provided with one, and the top of described driving module is provided with a stepping
Motor, insulating base under the top of described multi pack support is provided with one removably, described lower insulating base is detachable provided with one
Pulling force sensor and a dismountable upper insulating base, described lower insulating base is fixedly connected with described multi pack support, described
Upper insulating base be fixedly connected with described wheel bracket, the molybdenum filament of described cutting off machine is wound into described storage silk successively
Cylinder, First Transition wheel, upper tensioning wheel, the second transition wheel, upper capstan, lower capstan, the 4th transition wheel, lower tensioning wheel, the 3rd
Transition wheel, and return to described wire storage tube.
As preferred embodiments of the present invention, described multi pack support includes a multi pack bottom plate, a multi pack side plate and one
Fill and a multi pack bottom plate screw is respectively equipped with top plate, the corner of described multi pack bottom plate, on the corner of described multi pack top plate point
Not She You a multi pack top plate screw, described driving module is provided with a module group substrates, and described module group substrates are provided with four
Substrate screw, described wheel bracket is provided with a pair of linkage screws, and the head of described lower insulating base, which is provided with four, insulate
First screw, the bottom of described lower insulating base is provided with second screw that insulate, and described pulling force sensor is provided with one
Pressure sensing connecting hole and once pulling force sensor connecting hole, the head of described upper insulating base are provided with a pair first spiral shell that insulate
Hole, the bottom of described upper insulating base is provided with one second screw that insulate, described substrate screw and described multi pack bottom plate spiral shell
Hole is connected by screw, and described multi pack top plate screw is connected by screw with the described screw of lower insulation first, and described is upper
First screw that insulate is connected by screw with described linkage screw, and the described screw of upper insulation second is passed with described upper pressure
Sense connecting hole is connected by screw, and described lower pulling force sensor connecting hole is connected with the described screw of lower insulation second by screw
Connect.
As preferred embodiments of the present invention, the bottom of described displacement detection bar detects bar screws provided with a pair, described
The top of wheel bracket be provided with a pair of brackets connecting screw hole, described support connecting screw hole passes through with described detection bar screw
Mode connects for screw.
A kind of molybdenum filament constant tension mechanism tool with forward and reverse detection function of electric spark linear cutting machine of the present invention
Have the advantage that：Wire storage tube is in forward or reverse, and the size of molybdenum filament tension force is variant thereon, and pulling force sensor can monitor storage
Unidirectional tension force during silk cylinder forward or reverse, regulation accurately and reliably, molybdenum filament tension force thereon when realizing the forward and reverse operating of wire storage tube
Detection is consistent, substantially increases the machining accuracy of electric spark linear cutting machine and the reliability of processing.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 has forward and reverse molybdenum filament identical tension machine for detecting function for a kind of electric spark linear cutting machine of the present invention
The planar structure schematic diagram of structure；Fig. 2 is permanent for the molybdenum filament with forward and reverse detection function of the electric spark linear cutting machine in Fig. 1
The dimensional structure diagram of tension mechanism；
Fig. 3 be Fig. 2 in electric spark linear cutting machine have it is forward and reverse detection function molybdenum filament constant tension mechanism solid
Structural decomposition diagram；
Fig. 4 is the details enlarged diagram of a-quadrant in Fig. 3；
Fig. 5 enters one for the molybdenum filament constant tension mechanism with forward and reverse detection function of the electric spark linear cutting machine in Fig. 3
The stereochemical structure decomposing schematic representation of step；
Fig. 6 be Fig. 5 in B regions details enlarged diagram；
Fig. 7 be Fig. 5 in C regions details enlarged diagram；
Fig. 8 enters one for the molybdenum filament constant tension mechanism with forward and reverse detection function of the electric spark linear cutting machine in Fig. 5
The stereochemical structure decomposing schematic representation of step；
Fig. 9 be Fig. 8 in electric spark linear cutting machine have it is forward and reverse detection function molybdenum filament constant tension mechanism pulling force
The dimensional structure diagram of sensor.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in Figures 1 to 9, the molybdenum filament identical tension machine with forward and reverse detection function of the electric spark linear cutting machine
Structure includes a wheel bracket 20 and displacement detection bar 7, and displacement detection bar 7 is removably disposed in the top of the wheel bracket 20
Portion, the head of displacement detection bar 7 is provided with a dismountable detecting head 8, and a upper lateral part of displacement detection bar 7, which is provided with one, to be opened
Seat 91 is closed, a side lower part of displacement detection bar 7 is provided with switch base 92 once, and switch base 91 is opened provided with an initial contact on this
The Best Point switch 11 of pass 10 and one, the lower switch base 92 is provided with a limit contact switch 12, the head one of the wheel bracket 20
Side is provided with one first wheel stand 131, and the head opposite side of the wheel bracket 20 is provided with one second wheel stand 132, the wheel bracket
20 afterbody side is provided with one the 3rd wheel stand 133, and the afterbody opposite side of the wheel bracket 20 is provided with four guide idler seat 134,
First wheel stand 131 is provided with a First Transition wheel 14, and second wheel stand 132 is provided with one second transition wheel 5, the 3rd
Wheel stand 133 is provided with one the 3rd transition wheel 19, and four guide idler seat 134 is provided with one the 4th transition wheel 3, the wheel bracket 20
Top provided with a dismountable upper tensioning wheel 15, the bottom of the wheel bracket 20, should provided with a dismountable lower tensioning wheel 21
The side of wheel bracket 20 is provided with a wire storage tube 23, and the opposite side of the wheel bracket 20 is provided with capstan 2 on one and once dominates
Wheel 1, the wheel bracket 20 is installed provided with one and a dismountable multi pack support 4 is provided with window 201, the installation window 201, should
The bottom of multi pack support 4 is provided with a stepper motor 6 provided with a dismountable driving module 22, the top of the driving module 22, should
The top of multi pack support 4 is provided with a dismountable pull sensing provided with a dismountable lower insulating base 18, the lower insulating base 18
The dismountable upper insulating base 16 of device 17 and one, the lower insulating base 18 is fixedly connected with the multi pack support 4, and insulating base 16 is with being somebody's turn to do on this
Wheel bracket 20 is fixedly connected.
The multi pack support 4 includes a multi pack bottom plate 41, a multi pack side plate 42 and a multi pack top plate 43, the multi pack bottom plate 41
It is respectively equipped with corner on a multi pack bottom plate screw 411, the corner of the multi pack top plate 43 and is respectively equipped with a multi pack top plate screw
431, the driving module 22 is provided with a module group substrates 221, and the module group substrates 221 are provided with four substrate screws 222, the guide wheel
Support 20 is provided with four first screw 181 that insulate provided with a pair of linkage screws 202, the head of the lower insulating base 18, under this
The bottom of insulating base 18 is provided with pressure sensing connecting hole on one provided with second screw 182 that once insulate, the pulling force sensor 17
171 and once pulling force sensor connecting hole 172, head of insulating base 16 is provided with first screw 161 that insulated on a pair on this, on this
The bottom of insulating base 16 is provided with one second screw 162 that insulate, and the substrate screw 222 passes through spiral shell with the multi pack bottom plate screw 411
Nail connection, the multi pack top plate screw 431 is connected by screw with first screw 181 of lower insulation, the first screw 161 of insulation on this
It is connected by screw with the linkage screw 202, the second screw of insulation 162 passes through spiral shell with pressure sensing connecting hole 171 on this on this
Nail connection, the lower pulling force sensor connecting hole 172 is connected by screw with second screw 182 of lower insulation.
The bottom of displacement detection bar 7 is provided with a pair provided with a pair of detection bar screws 71, the top of the wheel bracket 20
Frame connecting screw hole 200, the support connecting screw hole 200 is connected by screw with the detection bar screw 71.
The molybdenum filament of the cutting off machine is wound into the wire storage tube 23, First Transition wheel 14, upper tensioning wheel 15, the second transition successively
Wheel 5, upper capstan 2, lower capstan 1, the 4th transition wheel 3, lower tensioning wheel 21, the 3rd transition wheel 19, and return to the wire storage tube 23.
The driving module 22 is linear module, can also be substituted using other straight line driving mechanisms.
The application method of the governor motion is described below.
When wire storage tube 23 is rotated forward or backwards, once the tension force that pulling force sensor 17 detects molybdenum filament deviates preset value,
The detecting system of cutting machine starts stepper motor 6, and whole driving module 22 starts upstream or downstream.Meanwhile, drive module 22
Multi pack support 4 and lower insulating base 18 is driven to be synchronized with the movement, lower insulating base 18 then drives pulling force sensor 17 and upper insulating base 16 same
Step motion, upper insulating base 16 drives whole wheel bracket 20 to be synchronized with the movement.The upstream or downstream of the wheel bracket 20 can then drive
Upper tensioning wheel 15 and the synchronous lengthwise movement of lower tensioning wheel 21, so as to accurately change what is wound on upper tensioning wheel 15 and lower tensioning wheel 21
The tension force of molybdenum filament.
Wherein, pulling force sensor 17 is by the pulling force in the both direction of upper insulating base 16 and lower insulating base 18, cutting machine
Detecting system take the average value of lower pulling force sum as sampling numerical value, to adjust the size of tension force.
The wire storage tube 23 is in forward or reverse, and the size of molybdenum filament tension force is variant thereon, and pulling force sensor 17 can be supervised
Unidirectional tension force when surveying 23 forward or reverse of wire storage tube, regulation accurately and reliably, molybdenum thereon when realizing 23 forward and reverse operating of wire storage tube
The detection of thread tension is consistent, substantially increases the machining accuracy of electric spark linear cutting machine and the reliability of processing.
Wherein, initial contact switch 10 ensures the maximum vertical penetration of displacement detection bar 7 and wheel bracket 20, i.e. highest
Point.Limit contact switch 12 ensures the Maximum Descent Height of displacement detection bar 7 and wheel bracket 2, i.e. minimum point.
In process, molybdenum filament returns elongation, and displacement detection bar 7 and wheel bracket 2 decline to ensure constant tension automatically,
Indicator lamp is bright when bottoming out instantly, loudspeaker alarm, points out user.Now, user goes to molybdenum filament one end of wire storage tube 23,
Unload molybdenum filament and hand is caught, press rising switch, adjustment displacement detection bar 7 and wheel bracket 2 are to optimum position, and this position is exactly
Switch on Best Point, this aspect is exactly Best Point switch 11.
This is not limited to, any change or replacement expected without creative work should all cover the guarantor in the present invention
Within the scope of shield.Therefore, protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine, includes a guide wheel branch
Frame（20）Bar is detected with a displacement（7）, described displacement detection bar（7）It is removably disposed in described wheel bracket（20）'s
Top, described wheel bracket（20）Top provided with a dismountable upper tensioning wheel（15）, described wheel bracket（20）'s
Bottom is provided with a dismountable lower tensioning wheel（21）, described wheel bracket（20）Window is installed provided with one（201）, it is described
Window is installed（201）Inside it is provided with a dismountable multi pack support（4）, described multi pack support（4）Bottom provided with one detachable
Driving module（22）, described multi pack support（4）Top provided with a dismountable lower insulating base（18）, described lower insulation
Seat（18）It is provided with a dismountable pulling force sensor（17）With a dismountable upper insulating base（16）, described lower insulating base
（18）With described multi pack support（4）It is fixedly connected, described upper insulating base（16）With described wheel bracket（20）It is fixed to connect
Connect.
2. a kind of molybdenum filament constant tension mechanism with forward and reverse detection function of electric spark linear cutting machine, includes a guide wheel branch
Frame（20）Bar is detected with a displacement（7）, described displacement detection bar（7）It is removably disposed in described wheel bracket（20）'s
Top, described displacement detection bar（7）Head be provided with a dismountable detecting head（8）, described displacement detection bar（7）One
Upper lateral part is provided with switch base on one（91）, described displacement detection bar（7）A side lower part provided with once switch base（92）, it is described
Upper switch base（91）Provided with initial contact switch（10）With Best Point switch（11）, described lower switch base（92）On
Provided with a limit contact switch（12）, described wheel bracket（20）Head side be provided with one first wheel stand（131）, it is described
Wheel bracket（20）Head opposite side be provided with one second wheel stand（132）, described wheel bracket（20）Afterbody side
Provided with one the 3rd wheel stand（133）, described wheel bracket（20）Afterbody opposite side provided with a four guide idler seat（134）, institute
The first wheel stand stated（131）It is provided with a First Transition wheel（14）, described the second wheel stand（132）It is provided with one second mistake
Ferry boat（5）, described the 3rd wheel stand（133）It is provided with one the 3rd transition wheel（19）, described four guide idler seat（134）On set
There is one the 4th transition wheel（3）, described wheel bracket（20）Top provided with a dismountable upper tensioning wheel（15）, described leads
Wheel support（20）Bottom provided with a dismountable lower tensioning wheel（21）, described wheel bracket（20）Side provided with one storage silk
Cylinder（23）, described wheel bracket（20）Opposite side provided with capstan on one（2）Once capstan（1）, described guide wheel
Support（20）Window is installed provided with one（201）, described installation window（201）Inside it is provided with a dismountable multi pack support（4）,
Described multi pack support（4）Bottom provided with a dismountable driving module（22）, described driving module（22）Top set
There is a stepper motor（6）, described multi pack support（4）Top provided with a dismountable lower insulating base（18）, described is lower exhausted
Edge seat（18）It is provided with a dismountable pulling force sensor（17）With a dismountable upper insulating base（16）, described lower insulating base
（18）With described multi pack support（4）It is fixedly connected, described upper insulating base（16）With described wheel bracket（20）It is fixed to connect
Connect, the molybdenum filament of described cutting off machine is wound into described wire storage tube successively（23）, First Transition wheel（14）, upper tensioning wheel
（15）, the second transition wheel（5）, upper capstan（2）, lower capstan（1）, the 4th transition wheel（3）, lower tensioning wheel（21）, the 3rd mistake
Ferry boat（19）, and return to described wire storage tube（23）.
3. the molybdenum filament identical tension machine with forward and reverse detection function of electric spark linear cutting machine according to claim 2
Structure, it is characterised in that described multi pack support（4）Include a multi pack bottom plate（41）, a multi pack side plate（42）With a multi pack top plate
（43）, described multi pack bottom plate（41）Corner on be respectively equipped with a multi pack bottom plate screw（411）, described multi pack top plate（43）
Corner on be respectively equipped with a multi pack top plate screw（431）, described driving module（22）It is provided with a module group substrates（221）,
Described module group substrates（221）Provided with four substrate screws（222）, described wheel bracket（20）Provided with a pair of linkage spiral shells
Hole（202）, described lower insulating base（18）Head be provided with four and insulate the first screw（181）, described lower insulating base
（18）Bottom provided with once insulating the second screw（182）, described pulling force sensor（17）Pressure sensing on one is provided with to connect
Connect hole（171）Once pulling force sensor connecting hole（172）, described upper insulating base（16）Head provided with insulating the on a pair
One screw（161）, described upper insulating base（16）Bottom provided with second screw that insulate on one（162）, described substrate screw
（222）With described multi pack bottom plate screw（411）It is connected by screw, described multi pack top plate screw（431）Under described
Insulate the first screw（181）It is connected by screw, the described screw of upper insulation first（161）With described linkage screw（202）
It is connected by screw, the described screw of upper insulation second（162）With described upper pressure sensing connecting hole（171）Connected by screw
Connect, described lower pulling force sensor connecting hole（172）With the described screw of lower insulation second（182）It is connected by screw.
4. the molybdenum filament identical tension machine with forward and reverse detection function of electric spark linear cutting machine according to claim 3
Structure, it is characterised in that described displacement detection bar（7）Bottom provided with a pair of detection bar screws（71）, described wheel bracket
（20）Top be provided with a pair of brackets connecting screw hole（200）, described support connecting screw hole（200）With described detection bar screw
（71）It is connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560931.0A CN107127410B (en) | 2017-07-11 | 2017-07-11 | Molybdenum wire constant tension mechanism for wire cut electric discharge machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560931.0A CN107127410B (en) | 2017-07-11 | 2017-07-11 | Molybdenum wire constant tension mechanism for wire cut electric discharge machine |
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| Publication Number | Publication Date |
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| CN107127410A true CN107127410A (en) | 2017-09-05 |
| CN107127410B CN107127410B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710560931.0A Active CN107127410B (en) | 2017-07-11 | 2017-07-11 | Molybdenum wire constant tension mechanism for wire cut electric discharge machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834350A (en) * | 2019-03-29 | 2019-06-04 | 南京航空航天大学 | A kind of electric spark linear cutting machine molybdenum filament tension detecting apparatus |
| CN109834349A (en) * | 2019-03-29 | 2019-06-04 | 南京航空航天大学 | A kind of high speed to-and-fro thread electrode wire of wire-cutting machine tools tension detecting apparatus |
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| CN207447538U (en) * | 2017-07-11 | 2018-06-05 | 江苏冬庆数控机床有限公司 | A kind of molybdenum filament constant tension mechanism of electric spark linear cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834350A (en) * | 2019-03-29 | 2019-06-04 | 南京航空航天大学 | A kind of electric spark linear cutting machine molybdenum filament tension detecting apparatus |
| CN109834349A (en) * | 2019-03-29 | 2019-06-04 | 南京航空航天大学 | A kind of high speed to-and-fro thread electrode wire of wire-cutting machine tools tension detecting apparatus |
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| CN107127410B (en) | 2023-04-25 |
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