CN102910811A - Scribing device and method for maintaining the pressing pressure of scribing device - Google Patents
Scribing device and method for maintaining the pressing pressure of scribing device Download PDFInfo
- Publication number
- CN102910811A CN102910811A CN2012101314948A CN201210131494A CN102910811A CN 102910811 A CN102910811 A CN 102910811A CN 2012101314948 A CN2012101314948 A CN 2012101314948A CN 201210131494 A CN201210131494 A CN 201210131494A CN 102910811 A CN102910811 A CN 102910811A
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- China
- Prior art keywords
- unit
- mobile unit
- relative displacement
- axis motor
- chalker
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/04—Cutting or splitting in curves, especially for making spectacle lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/027—Scoring tool holders; Driving mechanisms therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/033—Apparatus for opening score lines in glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
Abstract
The present invention relates to a scribing device and a method for maintaining the pressing pressure of the scribing device. The scribing device includes an Z-axis motor, a mobile unit, a pressing unit, a pressure control unit, a relative displacement sensing unit, and a controller. The mobile unit is moved by the Z-axis motor. A cylinder is connected to the mobile unit. The pressing unit can be moved vertically and comprises a scribing head connected to a cylinder piston rod and a scribing wheel disposed on the scribing head. The pressure control unit controls the internal pressure of the cylinder to allow the pressing unit to generate the pressing pressure. The relative displacement sensing unit measures the relative displacement between the pressing unit and the mobile unit. The controller receives a relative displacement signal from the relative displacement unit and transmits a driving signal to the Z-axis motor.
Description
Technical field
The method that present invention relates in general to chalker and keep the chalker press pressure, and relate more specifically to a kind of like this chalker and a kind of method that keeps the chalker press pressure, described chalker even when face glass is rule, even the surface of face glass is crooked, the press pressure that also can keep being applied to face glass is even.
Background technology
In general, LCD (liquid-crystal display), LED (photodiode) indicating meter, organic EL (electroluminescent) panel, inorganic EL panel, transparent projector panel, episcopic projector panel etc. are widely used as flat-panel monitor.Produce this flat-panel monitor and comprise that the female face glass (hereinafter referred is ' face glass ') with fragility cuts into predetermined size.
The glass-cutting panel is included under the pressure and moves by the tracing wheel of making such as adamantine material to form the scratching process of ruling at face glass and to press the disconnection process that face glass also applies moment of flexure or use steam thereon and enlarges the crackle of ruling along the suggestion line of cut that forms at face glass.
Fig. 1 illustrates the typical case be used to the chalker that carries out scratching process.The structure of chalker below will be described.
As shown in Figure 1, chalker 1000 comprises pedestal 100, Z axis motor 200, mobile unit 300 and presses unit 400.Z axis motor 200 is arranged on the pedestal 100.Mobile unit 300 is mobile vertically by Z axis motor 200.Cylinder body 310 is connected to mobile unit 300.Press scribe head 410 and the tracing wheel 422 that is arranged on scribe head 410 bottoms that unit 400 comprises the piston rod 311 that is connected to cylinder body 310.Pressing unit 400 is configured to and can moves vertically with respect to mobile unit 300.
Guide member such as the linear guide part 110 that comprises the guide rail (not shown) is arranged on the pedestal 100, with guiding mobile unit 300.
Preferably, scribe head 410 is connected to linear guide part 110 or the cross roller arrangement for guiding 120 of pedestal 100, so that scribe head 410 can move vertically.
For example, as shown in Figure 2, if there is curved part in face glass, in scratching process, piston rod 311 moves up suddenly.In the case, the pressure in pressure control unit 500 operations and the control cylinder body 310 keeps constant so that tracing wheel 422 is pressed the pressure of face glass P.
But chalker mobile speed in scratching process is actually quickish, so that setter 500 is difficult to the variation of the rapidly bending of responsive glass panel P and the internal pressure of change cylinder body 310.As a result, press pressure can not be applied to face glass P surface equably, causes defective product.
Summary of the invention
Therefore, the present invention is directed to the above problem that produces in the prior art, and the purpose of this invention is to provide a kind of chalker and a kind of method that keeps the chalker press pressure, described chalker can be even to the press pressure that keeps being applied to face glass in the face glass line, even the face glass air spots.
In order to realize above purpose, on the one hand in, the invention provides a kind of chalker, comprising: the Z axis motor; By the mobile unit that the Z axis motor moves up or down, cylinder body is connected to mobile unit; Be configured to and can press the unit with respect to what mobile unit moved up or down, press the unit and comprise scribe head and tracing wheel, scribe head is connected to the piston rod of cylinder body at its first end place, and tracing wheel is arranged on the second end of scribe head; The internal pressure of control cylinder body is to allow to press the pressure control unit that the unit produces press pressure; The relative displacement sensing cell of the relative displacement between unit and the mobile unit is pressed in measurement; And receive relative displacement signal and actuate signal is transferred to the controller of Z axis motor from the relative displacement sensing cell.
The relative displacement sensing cell can be arranged on mobile unit and pressing on the unit, perhaps can be arranged on mobile unit or presses on the unit.
In another aspect, the invention provides a kind of chalker, comprising: the Z axis motor; By the mobile unit that the Z axis motor moves up or down, cylinder body is connected to mobile unit; Be configured to and can press the unit with respect to what mobile unit moved up or down, press the unit and comprise scribe head and tracing wheel, scribe head is connected to the piston rod of cylinder body at its first end place, and tracing wheel is arranged on the second end of scribe head; The internal pressure of control cylinder body is to allow to press the pressure control unit that the unit produces press pressure; Measure the relative displacement sensing cell of the relative displacement between mobile unit and the face glass surface; And receive relative displacement signal and actuate signal is transferred to the controller of Z axis motor from the relative displacement sensing cell.
The relative displacement sensing cell can comprise the gap sensor that is arranged on the mobile unit.
Gap sensor can be arranged on the front side with respect to the direction that chalker moves.
In another aspect, the invention provides a kind of method that keeps the chalker press pressure, described method comprises: the working pressure control unit is controlled the internal pressure of cylinder body, and face glass is rule; To measuring mobile unit in the face glass line and pressing relative displacement between the unit; And when the relative displacement that records changes, transfer signals to the Z axis motor, and compensate the displacement of mobile unit along the relative displacement change direction.
In another aspect, the invention provides a kind of method that keeps the chalker press pressure, described method comprises: the working pressure control unit is controlled the internal pressure of cylinder body, and face glass is rule; In to the face glass line, use and be fixed to the sensor measurement mobile unit of mobile unit and the gap between the face glass; And when the gap that records changes, transfer signals to the Z axis motor, and compensate the displacement of mobile unit along the gap change direction.
The measurement in gap can be carried out in the front side with respect to the direction that chalker moves.
In addition, the pitch that can multiply by by the revolution of Z axis motor the transmission screw rod that is connected to the Z axis motor of the compensate for displacement in the compensation process is determined.
In addition, the velocity of variation of relative displacement can the flexible speed of corresponding piston rod.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, can more clearly understand aforesaid and other purpose, the feature and advantage of the present invention, wherein:
Fig. 1 is the stereographic map that illustrates according to the chalker of routine techniques;
Fig. 2 is the schematic side elevation that illustrates along the conventional chalker of the curved surface process of face glass;
Fig. 3 is the stereographic map that illustrates according to chalker of the present invention;
Fig. 4 is the part amplification stereogram of installation constitution that the displacement sensor of Fig. 3 is shown;
Fig. 5 is the schematic diagram that illustrates according to the embodiment of the structure that keeps the constant chalker of press pressure of the present invention;
Fig. 6 is the schematic diagram that illustrates according to another embodiment of the structure that keeps the constant chalker of press pressure of the present invention; And
Fig. 7 is the schema that keeps the method for the press pressure in the structure of Fig. 5.
Embodiment
Hereinafter describe the preferred embodiments of the present invention in detail with reference to Fig. 3 to Fig. 7.Should with reference to the accompanying drawings, in different accompanying drawings, represent same or analogous parts with identical Reference numeral now.
As shown in Figure 3 and Figure 4, chalker 1000 according to the present invention comprises pedestal 100, Z axis motor 200, mobile unit 300, presses unit 400 and pressure control unit 500.Z axis motor 200 is arranged on the pedestal 100.Mobile unit 300 is mobile vertically by Z axis motor 200.Cylinder body 310 is connected to mobile unit 300.Press unit 400 and comprise scribe head 410 and tracing wheel 422, scribe head 410 is connected to the piston rod 311 of cylinder body 310 at its first end place, and tracing wheel 422 is arranged on the second end of scribe head 410.Pressing unit 400 is set to and can moves vertically with respect to mobile unit 300.The internal pressure of pressure control unit 500 control cylinder bodies 310.
Particularly, Z axis motor 200 is fixed to pedestal 100.Transmit screw rod 210 and be connected to Z axis motor 200, and mobile unit 300 is connected to and transmits screw rod 210, so that mobile unit 300 can be by the operation of Z axis motor 200 and mobile vertically.
Guide member such as the linear guide part 110 that comprises the guide rail (not shown) is arranged on the pedestal 100, with guiding mobile unit 300.
Preferably, scribe head 410 is connected to linear guide part 110 or the cross roller guide member 120 of pedestal 100, so that scribe head 410 can move vertically.
As a result, mobile unit 300 can be mobile vertically by the rotation of Z axis motor 200, and press unit 400 and can be moved vertically with respect to mobile unit 300 by the cylinder body 310 that is arranged on the mobile unit 300.
Known setter etc. can be used as pressure control unit 500.
As shown in Figure 4, displacement sensor 610 is installed in mobile unit 300 and/or presses on the unit 400.Displacement sensor 610 is measured mobile units 300 and is pressed relative displacement between the unit 400.
Tangent displacement sensor and non-contact displacement transducer all can be used as displacement sensor 610.
Differential mutual induction device such as LVDT (linear variable differential mutual inductor) etc. is the representative illustration of tangent displacement sensor.This differential mutual induction device comprises three coils (main coil and two sw) and a moving iron core, and according to following operate: namely alternating current makes the main coil magnetization, iron core by the mobile tracking target object causes induction voltage in each sw, and voltage is with the combination of difference mode, thereby calculating voltage is poor, and output displacement thus.
If use in the present invention tangent displacement sensor, three coils and moving iron core can be installed in respectively mobile unit 300 and press in the unit 400, or are installed in respectively and press in unit 400 and the mobile unit 300.
Eddy current sensor, optical pickocff, sonac etc. are the representative illustration of non-contact displacement transducer.
Eddy current sensor operates with high frequency magnetic field.Particularly, high-frequency current is applied to the coil that is arranged in the sensor head, thereby produces high frequency magnetic field.If have target object in this magnetic field, magnetic flux is through the surface of target object, and vertically eddy current because electromagnetic induction is flowed through target object, thereby change the impedance of cell winding.This phenomenon causes the variation vibrated.Eddy current sensor uses the variation of vibration, thereby measures the distance of target object.
Particularly, when the distance between target object and the sensor head reduced, amplitude reduced, and the waveform that records and the phase differential between the reference waveform increase.Therefore, can acquisition and the almost completely proportional value of the distance between target object and the sensor head by measuring amplitude and phase differential.
If use in the present invention eddy current sensor, sensor head or be installed in the mobile unit 300 or be installed in and press in the unit 400, and be configured so that magnetic flux is through another surface.
Optical pickocff comprises luminescence unit and optical element, and they are respectively installed to relative to each other mobile object.In addition, scale card and mobile scale are arranged between luminescence unit and the optical element, and are installed in respectively on the relative to each other mobile object.The operating method of optical pickocff is that when mobile scale moved with respect to scale card, optical element read the luminance signal of the light between scale card and the mobile scale, thereby measured the displacement between them.Linear scale is the representative illustration of optical pickocff.
If use in the present invention optical pickocff, as shown in Figure 3 and Figure 4, the present invention can be configured to so that luminescence unit and mobile scale 611 are arranged on presses on the unit 400, and comprises that the scale reader 612 of optical element and scale card is arranged on the mobile unit 300.
For example, the mobile scale 611 that is configured to shown in Fig. 4 and Fig. 5 is fixed to scribe head 410, and scale reader 610 is connected to movable frame 330.
The principle of work of sonac is, sensor head produces ultrasonic wave and receives echo by the target object reflection, and then sensor calculates the timed interval between transmitted signal and the reception of echoes, thereby determines the distance to target object.
If use in the present invention sonac, sensor head or be arranged on the mobile unit 300 or be arranged on and press on the unit 400, and reflector can be arranged on another to improve the reliability of reception of echoes.Because the characteristic of sonac, measurable distance range is wide.Therefore, sonac can easily be applicable to device of the present invention, and no matter mobile unit 300 and press between the unit 400 distance how.
In addition, as shown in Figure 6, the present invention can be configured to so that gap sensor 620 be arranged on the mobile unit 300 and measure it and face glass P surface between the gap.
Especially, if gap sensor 620 is arranged on the front side with respect to chalker 1000 with respect to the direction that face glass P moves forward, the bending of detection face glass P before gap sensor 620 can contact between device and bend, thereby can make the controller 700 that to describe later at this paper control more accurately and easily chalker, and further strengthen the performance of the variation of Z axis motor 200 responsive glass panel P bendings.
For this reason, the present invention can be configured to direction that gap sensor 620 carries with respect to face glass P based on tracing wheel 422 respectively in the front side, rear side, left side and place, right side be arranged on the mobile unit 300, and optionally uses gap sensor 620 according to face glass P with respect to the travel direction of chalker 1000.
If displacement sensor 610 or gap sensor 620 measure relative displacement and produce coherent signal, controller 700 response relative displacement signals are transferred to Z axis motor 200 with actuate signal.
In other words, Z axis motor 200 operates under the control of controller 700, mobile unit 300 moves or moves along the gap change direction between mobile unit 300 and the face glass P surface along pressing the direction of unit 400 with respect to the change in displacement of mobile unit 300 thus, thereby make the variation minimum of the internal pressure of cylinder body 310, keep thus press pressure constant.
Maintenance is described according to the embodiment of the method for the press pressure of chalker of the present invention with reference to Fig. 5 and Fig. 7 hereinafter.
Fig. 7 illustrates the method for the press pressure that keeps chalker, supposes that the displacement sensor 610 that is configured to of chalker is installed in mobile unit 300 and/or presses on the unit 400.
At first, the internal pressure of cylinder body 310 has been adjusted to value corresponding to the predetermined pressure of pressing face glass P by pressure control unit 500 after, the operation of ruling.
In the operation of ruling, displacement sensor 610 is measured mobile units 300 and is pressed relative displacement between the unit 400.
If it is constant that relative displacement remains on initial value, this means that face glass P does not have bending, so continue normal line operation.
Simultaneously, if there is the variation of the relative displacement that records owing to the bending of face glass P in the line operating process, the velocity of variation of relative displacement is transferred to controller 700.The velocity of variation of the relative displacement that for example, records refers to the speed that piston rod 311 stretches.
The pitch that compensate for displacement in the compensation relative displacement conversion step can multiply by by the revolution of Z axis motor 200 the transmission screw rod 210 that is connected to Z axis motor 200 is determined.
Like this, owing to having compensated the variation of relative displacement, piston rod 311 actual flexible speed are constant, thereby keep press pressure default in the pressure control unit 500.
That is, the bending of responsive glass panel P in the line operating process, mobile unit 300 moves up or down, thus the press pressure that will be applied to face glass P remains on preset value.
In the accompanying drawings, although the bending of hypothesis face glass P raise up, even when the bending of face glass P be also can use in an identical manner the present invention during to lower convexity.
As mentioned above, in the present invention, although the face bend of face glass, the press pressure that is applied to face glass when face glass is rule can remain on preset value, thereby prevents the operation failure of ruling.
Although for the description of illustrative purpose embodiments of the invention, it will be apparent to one skilled in the art that not breaking away under the disclosed scope of the invention of claims and the real situation, can carry out various modification, increase and replacement.
Claims (10)
1. chalker comprises:
The Z axis motor;
By the mobile unit that described Z axis motor moves up or down, cylinder body is connected to described mobile unit;
Be configured to and press the unit with respect to what described mobile unit moved up or down, the described unit of pressing comprises scribe head and tracing wheel, described scribe head is connected to the piston rod of described cylinder body at its first end place, described tracing wheel is arranged on the second end of described scribe head;
Control the internal pressure of described cylinder body to allow the described pressure control unit that the unit produces press pressure of pressing;
Measure the described relative displacement sensing cell of pressing the relative displacement between unit and the described mobile unit; And
Receive relative displacement signal and actuate signal is transferred to the controller of described Z axis motor from described relative displacement sensing cell.
2. chalker according to claim 1, wherein, described relative displacement sensing cell is arranged on described mobile unit and described pressing on the unit, perhaps is arranged on described mobile unit or described pressing on the unit.
3. chalker comprises:
The Z axis motor;
By the mobile unit that described Z axis motor moves up or down, cylinder body is connected to described mobile unit;
Be configured to and press the unit with respect to what described mobile unit moved up or down, the described unit of pressing comprises scribe head and tracing wheel, described scribe head is connected to the piston rod of described cylinder body at its first end place, described tracing wheel is arranged on the second end of described scribe head;
Control the internal pressure of described cylinder body to allow the described pressure control unit that the unit produces press pressure of pressing;
Measure the relative displacement sensing cell of the relative displacement between described mobile unit and the face glass surface; And
Receive relative displacement signal and actuate signal is transferred to the controller of described Z axis motor from described relative displacement sensing cell.
4. chalker according to claim 3, wherein, described relative displacement sensing cell comprises the gap sensor that is arranged on the described mobile unit.
5. chalker according to claim 4, wherein, described gap sensor is arranged on the front side with respect to the direction that described chalker moves.
6. method that keeps the press pressure of chalker according to claim 1, described method comprises:
The working pressure control unit is controlled the internal pressure of cylinder body, and face glass is rule;
To measuring mobile unit in the face glass line and pressing relative displacement between the unit; And
When the relative displacement that records changes, transfer signals to the Z axis motor, and compensate the displacement of described mobile unit along the relative displacement change direction.
7. method that keeps the press pressure of chalker according to claim 3, described method comprises:
The working pressure control unit is controlled the internal pressure of cylinder body, and face glass is rule;
In to the face glass line, use and be fixed to the described mobile unit of sensor measurement of mobile unit and the gap between the face glass; And
When the gap that records changes, transfer signals to the Z axis motor, and compensate the displacement of described mobile unit along the gap change direction.
8. method according to claim 7, wherein, the measurement in described gap is carried out in the front side of the direction that moves with respect to described chalker.
9. according to claim 6 or 7 described methods, wherein, the pitch that the revolution of the compensate for displacement in the compensation process by described Z axis motor multiply by the transmission screw rod that is connected to described Z axis motor is determined.
10. method according to claim 9, wherein, the flexible speed of the corresponding piston rod of the velocity of variation of relative displacement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0076538 | 2011-08-01 | ||
| KR1020110076538A KR101807493B1 (en) | 2011-08-01 | 2011-08-01 | A scribing apparatus and a method for maintaining press load thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102910811A true CN102910811A (en) | 2013-02-06 |
| CN102910811B CN102910811B (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210131494.8A Active CN102910811B (en) | 2011-08-01 | 2012-05-02 | The method of chalker and maintenance chalker press pressure |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101807493B1 (en) |
| CN (1) | CN102910811B (en) |
| TW (1) | TWI577649B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625721A (en) * | 2015-02-05 | 2015-05-20 | 苏州鸿普精密模具有限公司 | Inductance type air cylinder displacement ejection module of compressor inner core pressing fit machine |
| CN104690367A (en) * | 2015-02-11 | 2015-06-10 | 长春理工大学 | Novel multifunctional mechanical scribing knife rest |
| CN113735429A (en) * | 2021-08-24 | 2021-12-03 | 芜湖东旭光电科技有限公司 | Glass scribing and cutting device and cutting method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102605919B1 (en) * | 2016-03-17 | 2023-11-27 | 주식회사 탑 엔지니어링 | Scribing apparatus and scribing method |
| CN106956241A (en) * | 2017-03-23 | 2017-07-18 | 天津比亚迪汽车有限公司 | A kind of equidistant scriber of electronics |
| KR102626399B1 (en) * | 2020-10-19 | 2024-01-18 | 주식회사 탑 엔지니어링 | Scribing apparatus |
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| JP2001139337A (en) * | 1999-11-11 | 2001-05-22 | Toshiba Corp | Working device, glass scribing device and glass cutting method |
| JP2005225730A (en) * | 2004-02-13 | 2005-08-25 | Amagasaki Kosakusho:Kk | Scribe head device for brittle material and method of scribing brittle material |
| JPWO2008126502A1 (en) * | 2007-03-30 | 2010-07-22 | Thk株式会社 | Scribing apparatus and scribing method |
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2011
- 2011-08-01 KR KR1020110076538A patent/KR101807493B1/en active IP Right Grant
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- 2012-05-02 CN CN201210131494.8A patent/CN102910811B/en active Active
- 2012-08-01 TW TW101127762A patent/TWI577649B/en active
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| US6152003A (en) * | 1996-11-07 | 2000-11-28 | Bullmer Spezialmaschinen Gmbh | Cutting device with elevation regulation |
| CN1431976A (en) * | 2000-03-23 | 2003-07-23 | 坂东机工株式会社 | Method and device for processing glass pane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625721A (en) * | 2015-02-05 | 2015-05-20 | 苏州鸿普精密模具有限公司 | Inductance type air cylinder displacement ejection module of compressor inner core pressing fit machine |
| CN104625721B (en) * | 2015-02-05 | 2017-01-11 | 苏州鸿普精密模具有限公司 | Inductance type air cylinder displacement ejection module of compressor inner core pressing fit machine |
| CN104690367A (en) * | 2015-02-11 | 2015-06-10 | 长春理工大学 | Novel multifunctional mechanical scribing knife rest |
| CN113735429A (en) * | 2021-08-24 | 2021-12-03 | 芜湖东旭光电科技有限公司 | Glass scribing and cutting device and cutting method thereof |
| CN113735429B (en) * | 2021-08-24 | 2023-09-08 | 芜湖东旭光电科技有限公司 | Glass scribing and cutting device and cutting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130014837A (en) | 2013-02-12 |
| TWI577649B (en) | 2017-04-11 |
| KR101807493B1 (en) | 2017-12-11 |
| CN102910811B (en) | 2015-07-29 |
| TW201307224A (en) | 2013-02-16 |
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