CN107931697A - Cutting method for copper-clad plate - Google Patents
Cutting method for copper-clad plate Download PDFInfo
- Publication number
- CN107931697A CN107931697A CN201711139095.5A CN201711139095A CN107931697A CN 107931697 A CN107931697 A CN 107931697A CN 201711139095 A CN201711139095 A CN 201711139095A CN 107931697 A CN107931697 A CN 107931697A
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- Prior art keywords
- copper
- clad plate
- cutting
- mixing roll
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to field of circuit boards, the cutting method for copper-clad plate is specifically disclosed, a kind of cutter device is employed in method, cutter device is in use, milled processed at the same time can be carried out to four corners of the copper-clad plate after cutting, improve the grinding efficiency of copper-clad plate edge；Copper-clad plate after simultaneous grinding can be stacked on bearing plate, easy to the collection concentrated to copper-clad plate, arranged without the copper-clad plate again to stacking.This programme can improve the grinding efficiency of copper-clad plate edge.
Description
Technical field
The invention belongs to field of circuit boards, and in particular to the cutting method for copper-clad plate.
Background technology
PCB Chineses are printed circuit board, also known as printed wiring board, it is important electronic unit, is electronics member device
The supporter of part, and the carrier of electronic component electrical connection.The process of molding printed wiring board is complicated, including opens
Material, drilling, heavy copper, pattern transfer, graphic plating, move back film, etching, green oil, character, plating golden finger, shaping, test and final inspection this
13 big procedure of processings, wherein further comprises some small procedure of processings in each step, in sawing sheet step, its is specific
Processing be that copper-clad plate is subjected to cutting plate, cutting plate step can allow the size of copper-clad plate and the size phase of the printed wiring board after processing
Adapt to, chamfering and packaging then are carried out to the copper-clad plate after cutting.
The method of common double face copper substantially by be from top to bottom sequentially distributed first layer copper foil, adhesive sheet and second
Layer copper foil is made, and the method for adhesive sheet is made from a variety of materials according to different demands, generally by paper, glass-fiber-fabric, resin,
The compacting of the stacked distribution of metallic plate or multiple material forms.
When the material in adhesive sheet is metallic plate and glass-fiber-fabric, after copper-clad plate is cut, one on the section of copper-clad plate
As have the metal fragment or glass-fiber-fabric chip that leave after cutting, metal fragment or glass-fiber-fabric chip are easily adhered on the side of copper-clad plate
At angle, metal fragment or glass-fiber-fabric chip easily scratch the surface of copper-clad plate during mobile copper-clad plate, cause whole
The quality of copper-clad plate is bad；Multiple edges of copper-clad plate after cutting at the same time have unnecessary middle metal and glass-fiber-fabric, so needing
Later stage multiple edges of copper-clad plate are ground respectively using facing attachment, cause grinding efficiency low, reduce copper-clad plate
Processing efficiency；At the same time copper-clad plate can be caused to produce metal fragment or glass-fiber-fabric chip again, it is necessary to metal fragment or glass
Cloth chip is further cleared up, and can cause the sawing sheet processed complex of whole copper-clad plate, be also add copper-clad plate surface and is scraped
Colored probability.
The content of the invention
The invention is intended to provide the cutting method for copper-clad plate, to improve the grinding efficiency of copper-clad plate edge.
In order to achieve the above object, base case of the invention is as follows：For the cutting method of copper-clad plate, including following step
Suddenly：
Step 1：Prepare a kind of cutter device, including cutting bed and cutting transport mechanism, the cutting transport mechanism includes
Cutter, transfer roller and supporting rack, support frame as described above are fixedly mounted on the top of cutting bed, and cutter is slidably mounted on supporting rack,
The transfer roller horizontally rotates installation on cutting tables, and the cutting bed is equipped with cutting groove, and cutter is opposite with cutting groove；Institute
The one end for stating cutting bed is equipped with vertical discharging straight slot, and the cross section for the straight slot that discharges is rectangular；Further include angle lap unit, institute
State angle lap unit to be fixedly mounted on the lower surface of cutting bed, and angle lap unit is located at four angles of discharging straight slot, the mill
Angle unit includes casing, the mixing roll being ground to copper-clad plate, the shaft being vertically arranged, the bearing plate for accepting copper-clad plate, master
Moving gear, the first telescopic rod, the second telescopic rod, driven gear, drive motor that driving gear rotates and for it is embedded actively
Travelling gear between gear and driven gear, the upper end of described sleeve pipe are fixedly connected with cutting bed, the lower end of casing and undertaking
The upper surface of plate, described sleeve pipe are equipped with mounting groove, and the upper end of shaft and the inner wall of mounting groove are rotatablely connected, under shaft
End is contacted with bearing plate, and the driven gear is coaxially fixedly mounted on the upper end of shaft, and mixing roll is fixedly mounted on vertically to be turned
On axis, the lower end of mixing roll is contacted with bearing plate；First telescopic rod and the second telescopic rod are vertically installed in casing, and
The upper end of first telescopic rod is fixedly connected with the inner wall of casing, and the lower end of the first telescopic rod and the upper surface of travelling gear rotate and connect
Connect；The upper end of second telescopic rod and the lower surface of travelling gear are rotatablely connected, and the lower end of the second telescopic rod is fixed with bearing plate to be connected
Connect, the lower surface of the travelling gear can offset with the upper surface of mixing roll, and the lower face of travelling gear and mixing roll is upper
End face offsets；And driving gear, travelling gear and driven gear can be located in same level；The mixing roll is eccentrically set on
In shaft, and the outer wall of mixing roll can be located in same vertical straight line with the outer wall of casing；
Step 2：Copper-clad plate to be cut is placed on cutting bed, cutter cuts copper-clad plate, covering after cutting
The length of copper coin is smaller 1-2cm than the length for the straight slot that discharges, and the width of copper-clad plate is smaller 1-2cm than the width for the straight slot that discharges；Open at the same time
Open motor；
Step 3：Copper-clad plate to be cut in Level Promoting step 2, copper-clad plate to be cut promote the copper-clad plate after cutting
Moved to the direction of transfer roller, and then the copper-clad plate after cutting is sent to discharging straight slot by transfer roller with the rotating speed of 5-10r/min
Place；
Step 4：Discharge in step 3 and dropped down onto under the copper-clad plate that drops out on bearing plate at straight slot, the corner of copper-clad plate respectively with
The upper surface of four bearing plates；Bearing plate moves down under the action of copper-clad plate gravity at this time, and second stretches pulls biography to you
Moving gear moves down, and travelling gear is engaged with driving gear and driven gear, motor successively band driving gear, nutating gear and
Driven gear rotates, and driven gear drives shaft and mixing roll to rotate, and mixing roll is ground the edge of copper-clad plate, grinds
The rotating speed of roller is 50-100r/min；
Step 5：Repeat step 3 and step 4, after the 10 pieces of copper-clad plates stacked on bearing plate are polished completely, are closed
Motor, takes out the copper-clad plate being stacked on bearing plate.
The principle and its advantage of base case：1st, a kind of cutter device has been prepared, four angle lap lists is provided with the device
Member, angle lap unit can carry out four edges of copper-clad plate attrition process at the same time, the second telescopic rod during attrition process
It can be stretched, and then allow multiple copper-clad plate stackings on bearing plate, easy to be carried out at the same time to the edge of multiple copper-clad plates
Grinding, can further improve the grinding efficiency of copper-clad plate edge.
2nd, in step 2, copper-clad plate is cut on cutting tables, cutter is opposite with cutting groove during cutting, cuts
The chip produced during cutting can be entered in cutting groove, avoid chip from being splashed in copper-clad plate；Copper-clad plate after cutting at the same time
Length and width be respectively less than the length and width than discharging straight slot, can be logical by discharging easy to copper-clad plate in follow-up step
Groove is dropped on bearing plate, is ground processing.
3rd, in step 3, control the transfer rate of copper-clad plate, easy to by the copper-clad plate after cutting at the uniform velocity be transferred to bearing plate
On, the edge of copper-clad plate is quickly ground.
4th, in step 4, after copper-clad plate is transferred on bearing plate, the first telescopic rod and the second telescopic rod are elongated, and are easy to
Travelling gear is engaged with driving gear and driven gear, and then mixing roll can smoothly be rotated；Simultaneous grinding roller turns
Speed is controlled effectively；Four angles of copper-clad plate are polished during this.
5th, it is that the copper-clad plate allowed after polishing is stacked on bearing plate, easy to cover copper to what is stacked on bearing plate in step 5
The collection that plate is concentrated.
In conclusion employ a kind of cutter device in this method, cutter device in use, can be to cutting after
Four corners of copper-clad plate carry out milled processed at the same time, improve the grinding efficiency of copper-clad plate edge；After simultaneous grinding
Copper-clad plate can be stacked on bearing plate, easy to the collection concentrated to copper-clad plate, carried out without the copper-clad plate to stacking again whole
Reason.
Further, accommodating chamber is equipped with the mixing roll, and the lower end of mixing roll is open, it is same in the mixing roll
Axis is provided with surge drum, and the lower end of surge drum is fixedly connected with bearing plate, and the side wall of the surge drum is equipped with some and collects
The collection hole of cylinder connection, the outer wall of surge drum and the inner wall of accommodating chamber are slidably connected.When bearing plate moves down, the grinding of surge drum edge
The inner wall of roller moves, and the collection hole in mobile process on surge drum is exposed, the chip copper pipe after partial mill roller grinding at this time
Grinding hole is entered in surge drum, can effectively reduce the amount of remaining chip in copper-clad plate, reduces the wind that copper-clad plate is scratched
Danger.
Further, some flabellums for allowing in accommodating chamber and forming negative pressure are further included, the flabellum is fixedly mounted on positioned at accommodating
In the shaft of intracavitary, the upper end of the surge drum is opening.When driven gear drives shaft to rotate, shaft drives fan blade rotating
Dynamic, flabellum forms negative pressure by the upper end of accommodating chamber, and negative pressure is also formed in whole surge drum, so collect hole to mixing roll around
Chip is absorbed, and allows substantial amounts of chip to be quickly collected into surge drum, can further be reduced copper-clad plate and be scraped
Colored risk.
Further, the outer wall of the surge drum is equipped with some flexible collecting boards, and collecting board is respectively positioned on and collects at hole,
The collecting board is obliquely installed, and collecting board is less than the other end of collecting board close to the one end for collecting hole.Surge drum is in mixing roll
When sliding up and down, folding or release can be carried out to flexible collecting board, when collecting board, which is not ground roller, to be blocked, collecting board prolongs
Stretch, and then the chip of grinding is oriented to, can quickly be entered easy to chip in surge drum, easy to be received to chip
Collection.
Further, in the step 2, the length of the copper-clad plate after cutting is smaller 1.5cm than the length for the straight slot that discharges, copper-clad plate
Width than discharge straight slot width it is small 1.5cm..
Further, in the step 4, the rotating speed of mixing roll is 80r/min..
Brief description of the drawings
Fig. 1 is the structure diagram of cutter device in the present invention；
Fig. 2 is the sectional view of angle lap unit in Fig. 1.
Embodiment
Below by the further details of explanation of embodiment：
Reference numeral in Figure of description includes：Cutting bed 10, cutter 101, transfer roller 102, supporting rack 103, discharging
Straight slot 104, cutting groove 105, casing 20, mixing roll 201, accommodating chamber 211, shaft 202, flabellum 203, bearing plate 30, surge drum
301st, collection hole 302, collecting board 303, motor 40, driving gear 401, driven gear 402, the first telescopic rod 501, second stretch
Contracting bar 502, travelling gear 503.
Cutter device in embodiment is substantially as shown in Figures 1 and 2：Including cutting bed 10, cutting transport mechanism and
Angle lap unit, one end of cutting bed 10 is equipped with vertical discharging straight slot 104, and the cross section for the straight slot 104 that discharges is rectangular；Mill
Angle element solder is on the lower surface of cutting bed 10, and angle lap unit is at four angles of discharging straight slot 104.
Cutting transport mechanism includes cutter 101, transfer roller 102 and supporting rack 103, and supporting rack 103 is welded on cutting bed 10
Top, cutter 101 is slidably mounted on supporting rack 103, and transfer roller 102 is horizontally rotated on cutting bed 10, cutting bed
10 are equipped with cutting groove 105, and the lower end of cutter 101 is opposite with cutting groove 105.
Angle lap unit includes casing 20, the mixing roll 201 being ground to copper-clad plate, the shaft 202 being vertically arranged, undertaking
The bearing plate 30 of copper-clad plate, driving gear 401, the first telescopic rod 501, the second telescopic rod 502, driven gear 402, flabellum 203,
Drive the motor 40 and the travelling gear for being embedded between driving gear 401 and driven gear 402 that driving gear 401 rotates
503, upper end and the cutting bed 10 of casing 20 weld, the lower end of casing 20 and the upper surface of bearing plate 30, are set on casing 20
There is mounting groove, the upper end of shaft 202 and the inner wall of mounting groove are rotatablely connected, and the lower end of shaft 202 is contacted with bearing plate 30, driven
On the upper end of shaft 202, mixing roll 201 is welded in shaft 202 402 coaxial welding of gear vertically, the lower end of mixing roll 201
Contacted with bearing plate 30.
First telescopic rod 501 and the second telescopic rod 502 are vertically installed in casing 20, and the first telescopic rod 501 is upper
End and the inner wall of casing 20 weld, and the lower end of the first telescopic rod 501 and the upper surface wheel of driving cog are rotatablely connected；First telescopic rod
501 be atmospheric pressure pole, and the second telescopic rod 502 is spring lever；The upper end of second telescopic rod 502 turns with the lower surface of travelling gear 503
Dynamic connection, lower end and the bearing plate 30 of the second telescopic rod 502 weld, and the lower surface of travelling gear 503 can be upper with mixing roll 201
End face offsets, and the lower face of travelling gear 503 and the upper surface of mixing roll 201 offset；And driving gear 401, travelling gear
503 and driven gear 402 can be located at same level on.
Accommodating chamber 211 is equipped with mixing roll 201, and the lower end of mixing roll 201 is open, it is coaxial in mixing roll 201
Surge drum 301 is installed, lower end and the bearing plate 30 of surge drum 301 weld, and the side wall of surge drum 301 is equipped with some and collects
The collection hole 302 of the connection of cylinder 301, the outer wall and the inner wall of accommodating chamber 211 of surge drum 301 are slidably connected；Flabellum 203 welds in place
In in the shaft 202 in accommodating chamber 211, the upper end of surge drum 301 is opening；The outer wall of surge drum 301 is equipped with some flexibilities
Collecting board 303, and collecting board 303 be respectively positioned on collect hole 302 at, collecting board 303 is obliquely installed, collecting board 303 close to collect
The one end in hole 302 is less than the other end of collecting board 303；Mixing roll 201 is eccentrically set in shaft 202, and mixing roll 201 is outer
Wall can be located in same vertical straight line with the outer wall of casing 20.
The present embodiment, during operation, comprises the following steps：
Step 1：Prepare the cutter device in embodiment；
Step 2：Copper-clad plate to be cut is placed on cutting bed 10, cutter 101 cuts copper-clad plate, after cutting
Copper-clad plate length it is smaller 1.5cm than the length for the straight slot 104 that discharges, the width of copper-clad plate is smaller than the width for the straight slot 104 that discharges
1.5cm；Open motor 40 at the same time；
Step 3：Copper-clad plate to be cut in Level Promoting step 2, copper-clad plate to be cut promote the copper-clad plate after cutting
Moved to the direction of transfer roller 102, and then the copper-clad plate after cutting is sent to discharging with the rotating speed of 7r/min and led to by transfer roller 102
At groove 104；
Step 4：Dropped down onto under the copper-clad plate dropped out in step 3 at discharging straight slot 104 on bearing plate 30, the corner point of copper-clad plate
Not with the upper surface of four bearing plates 30；Bearing plate 30 moves down under the action of copper-clad plate gravity at this time, second stretch to
You pull travelling gear 503 to move down, and travelling gear 503 is engaged with driving gear 401 and driven gear 402, and motor 40 is successively
Band driving gear 401, nutating gear 503 and driven gear 402 rotate, and driven gear 402 drives shaft 202 and mixing roll
201 rotate, and mixing roll 201 is ground the edge of copper-clad plate, and the rotating speed of mixing roll 201 is 80r/min；
Step 5：When stacking copper-clad plate more than 5 pieces on the bearing plate 30 in step 4, the second telescopic rod 502 is stretched, into
And bearing plate 30 moves down, bearing plate 30 drives surge drum 301 along 201 inner wall slide downward of mixing roll, the collection on surge drum 301
Hole 302 and collecting board 303 are no longer blocked, while shaft 202 drives flabellum 203 to rotate, and allow surge drum 301 is interior to form negative pressure,
And then collection hole 302 and collecting board 303 are oriented to the chip around mixing roll 201, make substantial amounts of chip quick
Be collected into surge drum 301；
Step 5：Repeat step 3 and step 4, after the 10 pieces of copper-clad plates stacked on bearing plate 30 are polished completely, are closed
Motor 40 is closed, takes out the copper-clad plate being stacked on bearing plate 30.
Above-described is only the embodiment of the present invention, and the general knowledge such as known specific method and/or characteristic is herein in scheme
Do not describe excessively.It should be pointed out that for those skilled in the art, on the premise of the method for the present invention is not departed from, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these are real all without the present invention is influenced
The effect and practical applicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the record such as embodiment can be used for the content for explaining claim.
Claims (6)
1. the cutting method for copper-clad plate, it is characterised in that：Comprise the following steps：
Step 1：Prepare a kind of cutter device, including cutting bed and cutting transport mechanism, the cutting transport mechanism include cutter,
Transfer roller and supporting rack, support frame as described above are fixedly mounted on the top of cutting bed, and cutter is slidably mounted on supporting rack, the biography
Roller is sent to horizontally rotate installation on cutting tables, the cutting bed is equipped with cutting groove, and cutter is opposite with cutting groove；The cutting
One end of platform is equipped with vertical discharging straight slot, and the cross section for the straight slot that discharges is rectangular；Further include angle lap unit, the angle lap
Unit is fixedly mounted on the lower surface of cutting bed, and angle lap unit is located at four angles of discharging straight slot, the angle lap unit
The mixing roll that is ground including casing, to copper-clad plate, the shaft being vertically arranged, the bearing plate for accepting copper-clad plate, driving gear,
First telescopic rod, the second telescopic rod, driven gear, drive driving gear rotate motor and for be embedded in driving gear and from
Travelling gear between moving gear, the upper end of described sleeve pipe are fixedly connected with cutting bed, the lower end of casing and the upper table of bearing plate
Face contacts, and described sleeve pipe is equipped with mounting groove, and the upper end of shaft and the inner wall of mounting groove are rotatablely connected, the lower end of shaft and undertaking
Plate contacts, and the driven gear is coaxially fixedly mounted on the upper end of shaft, and mixing roll is fixedly mounted in shaft vertically, grinding
The lower end of roller is contacted with bearing plate；First telescopic rod and the second telescopic rod are vertically installed in casing, and first is flexible
The upper end of bar is fixedly connected with the inner wall of casing, and the lower end of the first telescopic rod and the upper surface of travelling gear are rotatablely connected；Second
The upper end of telescopic rod and the lower surface of travelling gear are rotatablely connected, and the lower end of the second telescopic rod is fixedly connected with bearing plate, described
The lower surface of travelling gear can offset with the upper surface of mixing roll, and the lower face of travelling gear and the upper surface phase of mixing roll
Support；And driving gear, travelling gear and driven gear can be located in same level；The mixing roll is eccentrically set on shaft
On, and the outer wall of mixing roll can be located in same vertical straight line with the outer wall of casing；
Step 2：Copper-clad plate to be cut is placed on cutting bed, cutter cuts copper-clad plate, the copper-clad plate after cutting
Length it is smaller 1-2cm than the length for the straight slot that discharges, the width of copper-clad plate is smaller 1-2cm than the width for the straight slot that discharges；Open electricity at the same time
Motivation；
Step 3：Copper-clad plate to be cut in Level Promoting step 2, copper-clad plate to be cut promote the copper-clad plate after cutting to biography
The direction of roller is sent to move, and then the copper-clad plate after cutting is sent at discharging straight slot by transfer roller with the rotating speed of 5-10r/min；
Step 4：Discharge in step 3 and dropped down onto under the copper-clad plate that drops out on bearing plate at straight slot, the corner of copper-clad plate respectively with four
The upper surface of bearing plate；Bearing plate moves down under the action of copper-clad plate gravity at this time, and second stretches pulls driving cog to you
Wheel moves down, and travelling gear is engaged with driving gear and driven gear, motor band driving gear, nutating gear and driven successively
Gear rotates, and driven gear drives shaft and mixing roll to rotate, and mixing roll is ground the edge of copper-clad plate, mixing roll
Rotating speed is 50-100r/min；
Step 5：Repeat step 3 and step 4, after the 10 pieces of copper-clad plates stacked on bearing plate are polished completely, are closed electronic
Machine, takes out the copper-clad plate being stacked on bearing plate.
2. the cutting method according to claim 1 for copper-clad plate, it is characterised in that：It is equipped with the mixing roll
Accommodating chamber, and the lower end of mixing roll is opening, and surge drum, the lower end of surge drum and bearing plate are coaxially installed with the mixing roll
It is fixedly connected, the side wall of the surge drum is equipped with some collection holes connected with surge drum, the outer wall and accommodating chamber of surge drum
Inner wall be slidably connected.
3. the cutting method according to claim 2 for copper-clad plate, it is characterised in that：Further include some allow in accommodating chamber
The flabellum of negative pressure is formed, the flabellum is fixedly mounted in the shaft in accommodating chamber, and the upper end of the surge drum is opening.
4. the cutting method according to claim 3 for copper-clad plate, it is characterised in that：Set on the outer wall of the surge drum
There are some flexible collecting boards, and collecting board is respectively positioned on and collects at hole, the collecting board is obliquely installed, and collecting board is close to collection hole
One end be less than collecting board the other end.
5. the cutting method according to claim 1 for copper-clad plate, it is characterised in that：In the step 2, after cutting
The length of copper-clad plate is smaller 1.5cm than the length for the straight slot that discharges, and the width of copper-clad plate is smaller 1.5cm than the width for the straight slot that discharges.
6. the cutting method according to claim 1 for copper-clad plate, it is characterised in that：In the step 4, mixing roll
Rotating speed is 80r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139095.5A CN107931697B (en) | 2017-11-16 | 2017-11-16 | Cutting method for copper-clad plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139095.5A CN107931697B (en) | 2017-11-16 | 2017-11-16 | Cutting method for copper-clad plate |
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| Publication Number | Publication Date |
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| CN107931697A true CN107931697A (en) | 2018-04-20 |
| CN107931697B CN107931697B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711139095.5A Active CN107931697B (en) | 2017-11-16 | 2017-11-16 | Cutting method for copper-clad plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281300A (en) * | 2019-06-20 | 2019-09-27 | 上海银沪通信科技有限公司 | A kind of electron product circuit plate copper-clad plate cutting machinery and its method of cutting out |
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| CN107160257A (en) * | 2017-07-11 | 2017-09-15 | 信丰迅捷兴电路科技有限公司 | A kind of round-corner cutter and fillet method for grinding for printed substrate |
| CN107322404A (en) * | 2017-07-26 | 2017-11-07 | 江苏康美新材料科技有限公司 | A kind of calcium silicate board multi-angle edging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110281300A (en) * | 2019-06-20 | 2019-09-27 | 上海银沪通信科技有限公司 | A kind of electron product circuit plate copper-clad plate cutting machinery and its method of cutting out |
| CN110281300B (en) * | 2019-06-20 | 2020-11-20 | 上海银沪通信科技有限公司 | Copper-clad plate cutting machine for electronic product circuit board and cutting method thereof |
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