CN110103346A - A kind of large size silicon-carbide chip diamond wire saw lathe - Google Patents

A kind of large size silicon-carbide chip diamond wire saw lathe Download PDF

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Publication number
CN110103346A
CN110103346A CN201910481399.2A CN201910481399A CN110103346A CN 110103346 A CN110103346 A CN 110103346A CN 201910481399 A CN201910481399 A CN 201910481399A CN 110103346 A CN110103346 A CN 110103346A
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CN
China
Prior art keywords
wire
silk
driving mechanism
pedestal
chevron shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910481399.2A
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Chinese (zh)
Inventor
徐晨影
华卫东
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TAIZHOU CHENHONG NUMERICAL CONTROL EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
TAIZHOU CHENHONG NUMERICAL CONTROL EQUIPMENT MANUFACTURING Co Ltd
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Application filed by TAIZHOU CHENHONG NUMERICAL CONTROL EQUIPMENT MANUFACTURING Co Ltd filed Critical TAIZHOU CHENHONG NUMERICAL CONTROL EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201910481399.2A priority Critical patent/CN110103346A/en
Publication of CN110103346A publication Critical patent/CN110103346A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/04Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/04Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
    • B28D5/045Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

A kind of large size silicon-carbide chip diamond wire saw lathe, it includes pedestal (1) and the door shape column (12) for being equipped with Yarn guide component, it is characterized in that being respectively equipped with a wire transporting component (2) on the pedestal (1) of (12) two side of door shape column, sliding block, which is mounted on guide rail and is driven by servo motor, realizes that stepping puts silk or receives silk;The chevron shaped column of Y-direction (3) is installed at the center of pedestal (1), the chevron shaped column of Y-direction (3) is driven by Y-direction driving mechanism (4) makees front and back feeding movement;Z-direction slide plate is installed on the chevron shaped column of Y-direction (3), Z-direction slide plate is driven by the Z-direction driving mechanism (5) for being mounted on the chevron shaped column of Y-direction (3) top and is moved up and down, it is equipped in C axis driving mechanism (6) workpiece grip mechanism (7), C axis driving mechanism (6) drives the workpiece to be machined on workpiece grip mechanism (7) to turn round or swing.The configuration of the present invention is simple, easily manufactured, processing quality is reliable and stable, high-efficient.

Description

A kind of large size silicon-carbide chip diamond wire saw lathe
Technical field
The present invention relates to a kind of wire cutting machine tools, especially a kind of to change a wire cutting machine tool for period length, specifically A kind of large size silicon-carbide chip diamond wire saw lathe.
Background technique
Silicon carbide is a kind of multi-crystalline compounds.At a high temperature of 560 degree Celsius, silicon carbide wafer does not have cooling device In the case of remain to work operation, have irreplaceable advantage in the extreme environments application such as space flight, military project, nuclear energy.
Silicon carbide wafer is third generation semiconductor material, has forbidden bandwidth is big, critical breakdown strength is high, thermal conductivity is high etc. Advantage is the ideal material for making high pressure, large power semiconductor device.The single-crystal silicon carbide of high quality major diameter is particularly important, But chip processing then plays a decisive role to the surface quality of chip, wherein body block monocrystalline is cut into, angularity is small, thickness is equal Chip even, that knife seam loss is small is extremely important, otherwise will come to subsequent grinding and polishing work belt greatly difficult.Not due to SiC Family name's hardness is 9.2, is only second to diamond (its Mohs' hardness is 10), difficulty of processing is very big.When the diameter of crystal reaches 2 inches When, conventional inner circle cutting machine cannot effectively work, and the silicon carbide wafer of certain thin size can not cutting processing.It is necessary Using diamond wire saw technology.The bobbins of high speed rotation and reciprocating rotating drives diamond wire to move reciprocatingly, diamond Line is tensioned by two tensioning line wheels (spring or pneumatic), while adding two directive wheels to ensure the precision and face type cut. It is constantly fed by automatically controlling workbench to diamond wire console direction, or controls diamond wire console to work Platform direction is constantly fed, to make to generate grinding between diamond wire and material to be cut part and form cutting.In cutting process, due to Diamond wire diameter is small, and has elasticity, and diamond cutting secant is by material to be cut part and positioned at two directive wheels of its left and right Between form a subtended angle, diamond wire is in micro-arc shape.Therefore be applied to power on material to be cut part in conjunction with diamond wire with Relative motion between material to be cut part carries out cutting constantly.
There is following deficiency in the prior art, 1. prior arts use reciprocal sand line feeding or workpiece between two capstan of processing district Feeding mode easily makes processing district sand line drift about or shake, so that the silicon carbide surface of cutting processing is uneven, deep mixed item Line, this carrys out greatly difficulty to grinding and polishing work belt, and serious later process, which is unable to complete, causes scrapping for material.2. on wire storage tube Boart boart line reserves are limited, and typically less than 300 meters, the diamond wire of insufficient length participates in cutting processing, and the cutting edge of sand line is not It is enough to cut entire chip, re-replaces diamond wire, influence processing efficiency, is greater than due to replacing not add with the sand line footpath of processing Processed old sand linear diameter is participated in, secondary cut is brought after replacing diamond wire, brings more serious deep mixed striped, shadow Processing matter reason and efficiency are rung.3. wire transporting main motor is generally common three-phase induction motor with frequency converter timing, speed adjustable range is small, Motor output torque is small when low frequency, and boart boart line tension fluctuates when deceleration commutates, and processing technology is flexible insufficient, close to cut Chip chipping is easily caused when processing.
Summary of the invention
The purpose of the present invention is, because of cutting line curtailment, easily occur processing quality shakiness for existing wire cutting machine tool The problem of, design the large size silicon-carbide chip diamond wire saw lathe that a kind of cutting is stable, wire length is long.
The technical scheme is that
A kind of large size silicon-carbide chip diamond wire saw lathe, it includes pedestal 1, and it is vertical that the center of pedestal 1 is equipped with a shape Column 12 is equipped with Yarn guide component on door shape column 12, it is characterized in that being respectively equipped with one on the pedestal 1 of 12 2 side of door shape column A wire transporting component 2, diamond silk thread are drawn from the wire transporting component of side and are received after wire assembly by the wire transporting component of the other side Silk, wire transporting component 2 are mounted on sliding block, and sliding block, which is mounted on guide rail and is driven by servo motor, realizes that stepping puts silk or receives silk; The chevron shaped column 3 of Y-direction is installed at the center of pedestal 1, the chevron shaped column 3 of Y-direction is driven by Y-direction driving mechanism 4 makees front and back feeding It is mobile;Z-direction slide plate is installed on the chevron shaped column 3 of Y-direction, Z-direction slide plate is driven by the Z-direction for being mounted on chevron shaped 3 top of column of Y-direction The driving of motivation structure 5 moves up and down, and C axis driving mechanism 6 is equipped on Z-direction slide plate, is equipped with workpiece clamp in C axis driving mechanism 6 Mechanism 7 is held, C axis driving mechanism 6 drives the workpiece to be machined on workpiece grip mechanism 7 to turn round or swing.
The wire transporting component 2 is made of wire transporting spindle motor and silk cylinder, they are installed in synchronizing moving on sliding block, sliding Block is mounted on guide rail and is driven by lead screw, and lead screw is driven by servo motor.
Diamond silk thread list on the silk cylinder is led or multi-lay winding, and length is 1000-10000 meters.
The Yarn guide component includes the transition guide wheel 8 being mounted on a shape column, tensioning wheel 9,10 and of tension detection wheel Capstan 11.
Beneficial effects of the present invention:
On double wire transporting device silk cylinders of the invention can layer wind the metal and stone lines of several kms a to myriametre, using asymptotic expression wire mould Formula centainly rolls up the sand line of number i.e. length (such as numbers of volume 1000) according to technique initialization between two cylinders with the number of setting (such as 50 It is secondary) it moves back and forth, when the reciprocal time for reaching setting, the carborundum line of cutting is participated in set volume number (such as volume 2) and is wrapped in B Cutting processing is no longer participate on cylinder, A cylinders place volume number (such as volume 2) of the diamond wire for having neither part nor lot in cutting to set, under participation One cutting processing, the diamond wire of final consume totally are wrapped on B wire transporting silk cylinder.Fracture of wire such as occurs for process, will wind B On wire transporting device sand line remove, will have neither part nor lot in again processing cutting A cylinders on sand line again wire arrangement, re-work cutting. The loss of fracture of wire and sand line is insignificant, reduces loss, and asymptotic expression wire improves flatness, this brings product to later process The influence of pole.Wire transporting spindle motor uses high-power servo motor, and slowing down ensures that tension is steady when commutating, close to cutting processing knot Beam can adjust wire travelling speed, reach optimal cutting technique state.
C axis driving workpiece rotation improves processing efficiency, cuts and repair that knife is organic gathers together, and improves surface matter Workpiece finally can be used according to setting and swing mode cutting processing, because with the diameter at the carry out work piece cut of cutting for amount The intensity that becomes smaller becomes smaller, and finally the cutting stage easily forms fracture, influences later process, serious to scrap workpiece.
Diamond wire saw tension can set adjustment in real time and feed back to control system, guarantee processing district sand line tension and sand line Stability.This is the necessary condition that cut quality guarantees.
The configuration of the present invention is simple, easily manufactured, processing quality is reliable and stable, high-efficient.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the rearview of Fig. 1.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figs. 1-2.
A kind of large size silicon-carbide chip diamond wire saw lathe, it includes pedestal 1, and the center of pedestal 1 is equipped with door Shape column 12, is equipped with Yarn guide component on door shape column 12, Yarn guide component include the transition guide wheel 8 being arranged symmetrically, tensioning wheel 9, The structure of tension detection wheel 10 and capstan 11, each component in Yarn guide component is the same as those in the prior art, can directly will be existing Relevant component is on lathe of the invention in equipment, as shown in Figure 1.Respectively pacify on the pedestal 1 of 12 2 side of door shape column Equipped with a wire transporting component 2, the wire transporting component 2 is generally made of wire transporting spindle motor and silk cylinder, on the silk cylinder Diamond silk thread list is led or multi-lay winding, and length is 1000-10000 meters.Wire transporting spindle motor and silk cylinder are installed on sliding block Synchronizing moving, sliding block are mounted on guide rail and are driven by lead screw, and lead screw is driven by servo motor.Along straight while putting silk cylinder rotation Line is mobile, so that silk thread is kept ideal unwrapping wire state, puts silk and wire transporting more suitable for the silk cylinder of multi-lay winding, prevent fracture of wire and unrest The generation of silk phenomenon, and the timely correction when such situation occurs.Diamond silk thread is drawn from the wire transporting component of side by leading Silk is received by the wire transporting component of the other side after line component, wire transporting component 2 is mounted on sliding block, and sliding block is mounted on guide rail and by servo Motor driven realizes that stepping puts silk or receives silk;The chevron shaped column 3 of Y-direction is installed at the center of pedestal 1, such as Fig. 2, Y-direction is chevron shaped Column 3 is driven by Y-direction driving mechanism 4 makees front and back feeding movement;Y-direction driving mechanism 4 is generally by motor, belt wheel, lead screw, nut group At, the identical Y-direction driving structure of existing driving structure can be used, it can also self design.In the chevron shaped column of Y-direction Z-direction slide plate is installed, Z-direction slide plate is typically also by electricity by the Z-direction driving mechanism 5(for being mounted on chevron shaped 3 top of column of Y-direction on 3 Machine, feed screw nut form driving structure, can be realized by using the prior art) driving move up and down, be equipped on Z-direction slide plate The suitable main shaft of C axis driving mechanism 6(, is made of spindle motor and the main tapping with chuck or clamping device), C axis driving mechanism 6 On be equipped on workpiece grip mechanism 7(i.e. main shaft clamping device 7 is installed), C axis driving mechanism 6 drive workpiece grip mechanism 7 On workpiece to be machined turn round or swing.
As shown in Figs. 1-2, the bis- wire transportings of AB are placed in pedestal two sides, can multi-lay winding diamond wire length on silk cylinder.Y-direction herringbone Type traveller is located at pedestal center, and Y-direction driving mechanism drives feeding before and after column, is equipped with Z-direction slide plate, Z-direction driving machine before column Structure drives Z-direction slide plate bottom and top feed, and workpiece grip mechanism is equipped on Z-direction slide plate, and C axis driving mechanism drives workpiece grip mechanism rotation Turn or swings.Two vertical columns are symmetrically put on two wing base of traveller, and main processing guide wheel assembly, tension inspection are put on vertical columns Guide wheel assembly, transition guide wheel assembly are surveyed, tension guide wheel device and feedback device are put in vertical columns upper end.
When processing, it will first be located on pedestal side A wire transporting device silk cylinder and wind multi-layer diamond line, can be set according to line footpath Arrange silk gap, after by diamond wire through transition guide wheel, tensioning wheel, tension detection wheel, capstan, tension detection wheel, tensioning wheel, mistake Guide wheel is crossed to another lateral filament cylinder, workpiece is placed in C shaft-like work fixed plate, and when processing opens wire transporting, Y-direction and Z-direction position are set, C axis drives workpiece rotation according to setting with certain revolving speed, and Z axis is displaced according to the speed band of setting part of starting building, diamond wire with Linear velocity movement and the workpiece of setting generate relative motion, to generate cutting processing.
On double wire transporting device silk cylinders of the invention can layer wind the metal and stone lines of several kms a to myriametre, using asymptotic expression wire Mode, centainly rolled up according to technique initialization the sand line of number i.e. length (such as numbers of volume 1000) between two cylinders with the number of setting (such as 50 times) it moves back and forth, when the reciprocal time for reaching setting, the carborundum line of cutting is participated in set volume number (such as volume 2) and is wrapped in B Cutting processing is no longer participate on silk cylinder, A cylinders are placed volume number (such as volume 2) of the diamond wire for having neither part nor lot in cutting to set, participated in Next cutting processing, the diamond wire of final consume totally are wrapped on B wire transporting silk cylinder.Fracture of wire such as occurs for process, will twine On B wire transporting device sand line remove, will have neither part nor lot in again processing cutting A cylinders on sand line again wire arrangement, re-work and cut It cuts.The loss of fracture of wire and sand line is insignificant, reduces loss, and asymptotic expression wire improves flatness, this is to later process band Carry out active influence.For wire transporting spindle motor using high-power servo motor, slowing down ensures that tension is steady when commutating, and adds close to cutting Work terminates, and can adjust wire travelling speed, reaches optimal cutting technique state.
C axis driving workpiece rotation improves processing efficiency, cuts and repair that knife is organic gathers together, and improves surface matter Workpiece finally can be used according to setting and swing mode cutting processing, because with the diameter at the carry out work piece cut of cutting for amount The intensity that becomes smaller becomes smaller, and finally the cutting stage easily forms fracture, influences later process, serious to scrap workpiece.
Diamond wire saw tension can set adjustment in real time and feed back to control system, guarantee processing district sand line tension and sand line Stability.This is the necessary condition that cut quality guarantees.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.

Claims (4)

1. a kind of large size silicon-carbide chip diamond wire saw lathe, it includes pedestal (1), and the center of pedestal (1) is equipped with Door shape column (12) is equipped with Yarn guide component on door shape column (12), it is characterized in that the pedestal of (12) two side of door shape column (1) a wire transporting component (2) is respectively installed, diamond silk thread is drawn after wire assembly from the wire transporting component of side by another on The wire transporting component of side receives silk, and wire transporting component (2) is mounted on sliding block, and sliding block is mounted on guide rail and is driven by servo motor real Existing stepping puts silk or receives silk;The chevron shaped column of Y-direction (3) is installed at the center of pedestal (1), the chevron shaped column of Y-direction (3) is by Y-direction Front and back feeding movement is made in driving mechanism (4) driving;Z-direction slide plate is installed on the chevron shaped column of Y-direction (3), Z-direction slide plate is by installing Z-direction driving mechanism (5) driving on the chevron shaped column of Y-direction (3) top moves up and down, and C axis driving machine is equipped on Z-direction slide plate Structure (6) is equipped with workpiece grip mechanism (7) in C axis driving mechanism (6), and C axis driving mechanism (6) drives workpiece grip mechanism (7) On workpiece to be machined turn round or swing.
2. large size silicon-carbide chip diamond wire saw lathe according to claim 1, it is characterized in that the wire transporting Component (2) is made of wire transporting spindle motor and silk cylinder, they are installed in synchronizing moving on sliding block, and sliding block is mounted on guide rail simultaneously It is driven by lead screw, lead screw is driven by servo motor.
3. large size silicon-carbide chip diamond wire saw lathe according to claim 2, it is characterized in that the silk cylinder On diamond silk thread list lead or multi-lay winding, length is 1000-10000 meters.
4. large size silicon-carbide chip diamond wire saw lathe according to claim 1, it is characterized in that the seal wire Component includes the transition guide wheel (8) being mounted on a shape column, tensioning wheel (9), tension detection wheel (10) and capstan (11).
CN201910481399.2A 2019-06-04 2019-06-04 A kind of large size silicon-carbide chip diamond wire saw lathe Withdrawn CN110103346A (en)

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CN201910481399.2A CN110103346A (en) 2019-06-04 2019-06-04 A kind of large size silicon-carbide chip diamond wire saw lathe

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111231142A (en) * 2020-03-05 2020-06-05 苏州市汇峰机械设备有限公司 Loop wire cutting machine
CN110421222B (en) * 2019-08-12 2020-07-14 烟台德丰精密钣金有限公司 Full-automatic cutting unit

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Publication number Priority date Publication date Assignee Title
WO1999002295A2 (en) * 1997-07-07 1999-01-21 Laser Technology West, Limited Apparatus and method for slicing a workpiece utilizing a diamond impregnated wire
US5893308A (en) * 1994-05-19 1999-04-13 Tokyo Seimitsu Co., Ltd. Method of positioning work piece and system therefor
CN102528953A (en) * 2011-12-29 2012-07-04 江西金葵能源科技有限公司 Diamond wire single-rod multi-wire cutting machine
CN102555091A (en) * 2012-02-29 2012-07-11 无锡斯达新能源科技有限公司 Multi-station sapphire single-wire swinging cutting machine
CN103302754A (en) * 2013-06-19 2013-09-18 中国有色桂林矿产地质研究院有限公司 Diamond fretsaw cutting method and device
CN103538159A (en) * 2013-10-29 2014-01-29 苏州硅峰太阳能科技有限公司 Hard and brittle material cutting device
CN104890036A (en) * 2015-06-29 2015-09-09 泰州市晨虹数控设备制造有限公司 Horizontal diamond wire cutting machine tool
CN206066728U (en) * 2016-08-31 2017-04-05 傅林军 A kind of diamond wire monocrystalline evolution and polycrystalline cutting machine
CN206277533U (en) * 2016-12-06 2017-06-27 浙江晶盛机电股份有限公司 A kind of workbench rocking equipment for sapphire wafer multi-line cutting machine
CN207629338U (en) * 2017-12-12 2018-07-20 安徽省振泉数控科技有限公司 High-precision Wire-conveying mechanism of quick walk for wire cutting machine tool
CN210256793U (en) * 2019-06-04 2020-04-07 泰州市晨虹数控设备制造有限公司 Large-size silicon carbide wafer diamond wire cutting machine tool

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893308A (en) * 1994-05-19 1999-04-13 Tokyo Seimitsu Co., Ltd. Method of positioning work piece and system therefor
WO1999002295A2 (en) * 1997-07-07 1999-01-21 Laser Technology West, Limited Apparatus and method for slicing a workpiece utilizing a diamond impregnated wire
CN102528953A (en) * 2011-12-29 2012-07-04 江西金葵能源科技有限公司 Diamond wire single-rod multi-wire cutting machine
CN102555091A (en) * 2012-02-29 2012-07-11 无锡斯达新能源科技有限公司 Multi-station sapphire single-wire swinging cutting machine
CN103302754A (en) * 2013-06-19 2013-09-18 中国有色桂林矿产地质研究院有限公司 Diamond fretsaw cutting method and device
CN103538159A (en) * 2013-10-29 2014-01-29 苏州硅峰太阳能科技有限公司 Hard and brittle material cutting device
CN104890036A (en) * 2015-06-29 2015-09-09 泰州市晨虹数控设备制造有限公司 Horizontal diamond wire cutting machine tool
CN206066728U (en) * 2016-08-31 2017-04-05 傅林军 A kind of diamond wire monocrystalline evolution and polycrystalline cutting machine
CN206277533U (en) * 2016-12-06 2017-06-27 浙江晶盛机电股份有限公司 A kind of workbench rocking equipment for sapphire wafer multi-line cutting machine
CN207629338U (en) * 2017-12-12 2018-07-20 安徽省振泉数控科技有限公司 High-precision Wire-conveying mechanism of quick walk for wire cutting machine tool
CN210256793U (en) * 2019-06-04 2020-04-07 泰州市晨虹数控设备制造有限公司 Large-size silicon carbide wafer diamond wire cutting machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110421222B (en) * 2019-08-12 2020-07-14 烟台德丰精密钣金有限公司 Full-automatic cutting unit
CN111231142A (en) * 2020-03-05 2020-06-05 苏州市汇峰机械设备有限公司 Loop wire cutting machine

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