CN114959816A - Novel diamond cutting wire saw-seven-wire twisting ring-shaped wire saw and manufacturing method - Google Patents

Novel diamond cutting wire saw-seven-wire twisting ring-shaped wire saw and manufacturing method Download PDF

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Publication number
CN114959816A
CN114959816A CN202210675434.6A CN202210675434A CN114959816A CN 114959816 A CN114959816 A CN 114959816A CN 202210675434 A CN202210675434 A CN 202210675434A CN 114959816 A CN114959816 A CN 114959816A
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China
Prior art keywords
wire
diamond
cutting
twisted
ring
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Pending
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CN202210675434.6A
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Chinese (zh)
Inventor
邰治金
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Jiangsu Sanchao Diamond Tools Co ltd
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Jiangsu Sanchao Diamond Tools Co ltd
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Priority to CN202210675434.6A priority Critical patent/CN114959816A/en
Publication of CN114959816A publication Critical patent/CN114959816A/en
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0607Wires
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/007Current directing devices
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10Electrodes, e.g. composition, counter electrode
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/06Filtering particles other than ions
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34Pretreatment of metallic surfaces to be electroplated

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention discloses a novel diamond cutting fretsaw-seven-wire twisting ring-shaped fretsaw and a manufacturing method thereof, and belongs to the technical field of diamond cutting fretsaws. The seven-wire twisted bus comprises a seven-wire twisted bus, wherein the seven-wire twisted bus is woven into a ring shape in a special weaving mode, and spiral convex patterns are arranged on the outer surface of the ring-shaped seven-wire twisted bus. The invention solves the problems that the existing electroplating diamond cutting wire saw mainly adopts reciprocating motion cutting, four discontinuous motions of acceleration, deceleration, stop and reversing exist in the reciprocating motion cutting, certain influence is generated on the surface appearance of a cut material, tension fluctuation is formed in the reciprocating cutting process to cause wire breakage, meanwhile, reciprocating cutting equipment needs to be provided with a paying-off machine and a wire-rewinding machine, the occupied space is large, cut chip powder is attached to a wire body along with the extension of cutting time and is not easy to discharge, and the cutting performance of the diamond cutting wire saw is reduced and even the wire breakage is caused by the peeling of a nickel coating and the abrasion and falling of diamond particles.

Description

Novel diamond cutting wire saw-seven-wire twisting ring-shaped wire saw and manufacturing method
Technical Field
The invention belongs to the technical field of diamond cutting fretsaws, and particularly relates to a novel diamond cutting fretsaw-seven-wire twisting ring-shaped fretsaw and a manufacturing method thereof.
Background
The diamond cutting wire saw is a cutting tool manufactured by solidifying diamond particles on a matrix wire in a bonding, electroplating, welding and other modes, but the existing electroplating diamond cutting wire saw mainly adopts reciprocating motion cutting, four discontinuous motions of acceleration, deceleration, stop and reversing exist in the reciprocating motion cutting, certain influence is generated on the surface appearance of a cut material, tension fluctuation is formed in the reciprocating cutting process to cause wire breakage, meanwhile, a pay-off machine and a take-up machine need to be arranged on reciprocating cutting equipment, the occupied space is large, cut chip powder is attached to a wire body along with the extension of cutting time, the cut chip powder is not easy to discharge, and in addition, a nickel coating is peeled off, the abrasion and the falling of the diamond particles are caused, so that the cutting performance of the diamond cutting wire saw is reduced, even the wire breakage is caused.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a novel diamond cutting wire saw, namely a seven-wire twisting ring-shaped wire saw, which has the advantages of capability of discharging cutting powder, strong cutting capability, high efficiency and longer service life, solves the problems that the existing electroplating diamond cutting wire saw mostly adopts reciprocating motion cutting, four discontinuous motions of acceleration, deceleration, stop and reversing exist in the reciprocating motion cutting, and certain influence is generated on the surface appearance of a cut material, and tension fluctuation is formed in the reciprocating type cutting process to cause wire breakage, meanwhile, the reciprocating type cutting equipment needs to be provided with a pay-off machine and a take-up machine, the occupied space is large, and the cut powder is attached to the wire body along with the extension of the cutting time, is not easy to discharge, and causes the problems of the cutting performance reduction and even wire breakage of the diamond cutting wire saw due to the peeling of the nickel coating and the abrasion and falling of the diamond particles.
In order to achieve the purpose, the invention provides the following technical scheme: novel diamond-cutting coping saw-seven-wire transposition ring-shaped coping saw, including seven-wire transposition generating line, seven-wire transposition generating line is worked out into the ring-type through special establishment mode, annular seven-wire transposition generating line surface is provided with the heliciform burr, the heliciform chip groove has been seted up to the inboard of heliciform burr, heliciform chip groove and heliciform burr are twisted around a straight core by six strand wires and are formed naturally, the surface of heliciform burr is provided with the heliciform grit burr, the heliciform grit burr is formed and large granule diamond and the even formation of arranging of tiny particle diamond by seven-wire transposition, and large granule diamond and tiny particle diamond are the bare diamond material, and no nickel coating fixes big, tiny particle diamond sand on the surface of seven-wire transposition generating line through static electroplating mode.
As preferred in the present invention, the following steps are included;
the method comprises the following steps: the method comprises the following steps of (1) disassembling a bare seven-silk twisted wire to obtain a straight core and 6 strands of twisted wire, cutting a section of the straight core according to a required length, winding the straight core into a circle, and winding 6 circles of the twisted wire with the required length multiplied by 6 on the periphery of the straight core to form a seven-silk twisted bus;
step two: removing oil stains on the surface of the seven-wire twisted bus;
step three: electroplating metal nickel and large and small particle diamond bare materials on the seven-wire stranded bus by a static electroplating sanding mode, and then performing reinforcement electroplating treatment to wrap one part of the diamond bare materials by a nickel layer to form a seven-wire stranded ring-shaped wire saw;
step four: and (5) cleaning and drying.
Preferably, the production line adopted by the manufacturing method comprises a pre-plating treatment device, a sand feeding device and a reinforcing device, wherein the pre-plating treatment device comprises an alkali washing tank (containing ultrasonic waves), a cold water washing tank, a pickling tank, a cold water washing tank and a hot water washing tank which are sequentially arranged from front to back, the sand feeding device comprises a sand feeding working tank, a sand feeding mother tank, a liquid extracting device, a filtering device, a sand feeding tray, a diamond bare material, an anode and a cathode, the diamond bare material comprises a diamond raw material, a crushed material, a special material and a 4-shaped material, nickel sulfamate solutions are respectively arranged in the sand feeding working tank and the sand feeding mother tank and are communicated with each other through the liquid extracting device, the reinforcing device comprises a thickening working tank, a thickening mother tank, a liquid extracting device, a filtering device, a cathode rotating device and an anode, the anode comprises a titanium basket and a nickel cake, the cathode rotating device comprises a slip ring and a conductive ring, nickel sulfamic acid solution is arranged in the thickening working groove and the thickening mother groove and is communicated with each other through the liquid extracting device.
Preferably, the diameter of the seven-wire twisted bus is 0.2-0.5 mm.
Preferably, a strong detergent is used for removing the greasy dirt.
Preferably, the drying time is 20 minutes, and the cleanness of the surrounding environment is ensured.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention achieves the effects of discharging cutting powder, strong cutting capability, high efficiency and longer service life by matching the seven-wire twisted bus, the spiral convex pattern, the spiral chip groove and the spiral abrasive grain convex pattern, solves the problems that the existing electroplated diamond cutting wire saw mainly adopts reciprocating motion cutting, four discontinuous motions of acceleration, deceleration, stop and reversing exist in the reciprocating motion cutting, certain influence is generated on the surface appearance of a cut material, the wire breakage is caused by tension fluctuation formed in the reciprocating cutting process, meanwhile, the reciprocating cutting equipment needs to be provided with a paying-off machine and a wire-rewinding machine, the occupied space is larger, the cut cutting powder is attached to a wire body along with the extension of the cutting time and is difficult to discharge, and the nickel coating is peeled off, and the abrasion and falling of diamond particles are self, leading to the problem that the cutting performance of the diamond cutting wire saw is reduced and even the wire is broken.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of a portion of the present invention;
FIG. 3 is a front view of a seven-strand stranded bus of the present invention;
FIG. 4 is a bottom cross-sectional view of a portion of the present invention;
FIG. 5 is a cross-sectional view of a seven-strand twisted bus of the present invention;
FIG. 6 is a schematic view of a production apparatus of the present invention;
FIG. 7 is a top view of the sanding apparatus of the present invention.
In the figure: 1. a seven-wire twisted bus; 2. a helical relief; 3. a helical chip pocket; 4. helical abrasive grain wales; 5. a pre-plating treatment device; 6. a sanding device; 7. a reinforcement device; 8. bare diamond material; 9. an anode; 10. and (6) conducting the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the novel diamond cutting wire saw-seven-wire twisted ring wire saw provided by the invention comprises a seven-wire twisted bus 1, the seven-wire twisted bus 1 is woven into a ring shape by a special weaving method, a spiral relief 2 is arranged on the outer surface of the ring-shaped seven-wire twisted bus 1, a spiral chip pocket 3 is arranged on the inner side of the spiral relief 2, the spiral chip pocket 3 and the spiral relief 2 are naturally formed by twisting six strands of hemp around a straight core, a spiral abrasive grain relief 4 is arranged on the surface of the spiral relief 2, the spiral abrasive grain relief 4 is formed by twisting seven wires and uniformly arranging large-particle diamonds and small-particle diamonds, and the large-particle diamonds and the small-particle wires are both bare diamond materials 8 and nickel-free coatings, and fixing the large and small grain carborundum on the surface of the seven-wire twisted bus 1 in a static electroplating mode.
The invention is further configured to: the diamond cutting wire saw-seven-wire twisting ring-shaped wire saw comprises the following manufacturing steps;
the method comprises the following steps: the method comprises the following steps of (1) disassembling a seven-filament twisted bare wire to obtain a straight core and 6 strands of twisted yarns, cutting a section of the straight core according to a required length, winding the straight core into a circle, and winding 6 circles of the twisted yarns with the required length multiplied by 6 on the periphery of the straight core to form a seven-filament twisted bus 1;
step two: removing oil stains on the surface of the seven-wire twisted bus 1;
step three: electroplating metal nickel and large and small particle diamond bare materials 8 on the seven-wire stranded bus 1 in a static electroplating sanding mode, and then performing reinforcement electroplating treatment to wrap a part of the diamond bare materials 8 by a nickel layer to form a seven-wire stranded ring-shaped wire saw;
step four: and (5) cleaning and drying.
The invention is further configured to: the production line adopted by the manufacturing method comprises a pre-plating treatment device 5, a sand feeding device 6 and a reinforcing device 7, wherein the pre-plating treatment device 5 comprises an alkaline washing tank (containing ultrasonic waves), a cold water washing tank, a pickling tank, a cold water washing tank and a hot water washing tank which are sequentially arranged from front to back, the sand feeding device 6 comprises a sand feeding working tank, a sand feeding mother tank, a liquid extracting device, a filtering device, a sand feeding tray, a bare diamond material 8, an anode 9 and a cathode, the bare diamond material 8 comprises a raw diamond material, a crushed material, a special-shaped material and a 4-shaped material, nickel sulfamate solutions are respectively arranged in the sand feeding working tank and the sand feeding mother tank and are communicated with each other through the liquid extracting device, the reinforcing device 7 comprises a thickening working tank, a thickening mother tank, a liquid extracting device, a filtering device, a cathode rotating device and an anode 9, the anode 9 comprises a titanium basket and a nickel cake, the cathode rotating device comprises a mercury slip ring and a conducting ring 10, nickel sulfamic acid solution is arranged in the thickening working tank and the thickening mother tank, and is communicated with each other through a liquid extracting device.
The invention is further configured to: the diameter of the seven-wire twisted bus 1 is 0.2-0.5 mm.
The invention is further configured to: the strong cleaning agent is adopted when removing the oil stain.
The invention is further configured to: the drying time is 20 minutes, and the cleanness of the surrounding environment is ensured.
The working principle and the using process of the invention are as follows: firstly, a strand of straight core and 6 strands of hemp threads are obtained by disassembling a bare seven-wire hemp thread, a section of straight core is cut according to the required length and is looped into a circle, then 6 circles of hemp threads multiplied by 6 are wound on the periphery of the straight core by the required length, then a seven-wire twisted bus 1 is woven, oil stains on the surface of the seven-wire twisted bus 1 are removed, metal nickel and large and small-particle bare diamond materials 8 are electroplated on the seven-wire twisted bus 1 in a static electroplating sanding mode, then reinforcement electroplating treatment is carried out, a part of the bare diamond materials 8 is wrapped by a nickel layer to form a seven-wire twisted ring-shaped wire saw, then cleaning and drying treatment are carried out, then a spiral chip containing groove 3 on the seven-wire twisted bus 1 is passed, the bare diamond materials 8 and special-shaped materials are used as the diamond particles, the edge angles are clear, the spiral chip containing groove 3 can promote the flow of processing liquid, and the chip discharge effect is improved, the cutting capacity and the cutting efficiency of the wire saw are greatly improved by the diamond bare material 8, the precision of a cutting surface is not different from that of a traditional wire saw, and the seven-wire twisting ring-shaped wire saw is formed by twisting seven metal wires, so that the breaking tension is improved, and the service life is prolonged, therefore, the seven-wire twisting ring-shaped wire saw has the advantages of strong cutting capacity, high efficiency and long service life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Novel diamond-cutting coping saw-seven-wire twisting ring form coping saw, including seven-wire twisting generating line (1), its characterized in that: the seven-wire twisted bus is characterized in that the seven-wire twisted bus (1) is woven into a ring shape in a special weaving mode, a spiral convex pattern (2) is arranged on the outer surface of the annular seven-wire twisted bus (1), a spiral chip groove (3) is formed in the inner side of the spiral convex pattern (2), the spiral chip groove (3) and the spiral convex pattern (2) are formed by twisting six strands of hemp flowers around a straight core in a natural mode, spiral abrasive grain convex patterns (4) are arranged on the surface of the spiral convex pattern (2), the spiral abrasive grain convex patterns (4) are formed by twisting seven wires and uniformly arranging large-particle diamond and small-particle diamond, the large-particle diamond and the small-particle diamond are diamond bare materials (8), and are nickel-free coating layers, and the large-particle diamond and the small-particle diamond are fixed on the surface of the seven-wire twisted bus (1) in a static electroplating mode.
2. The method for manufacturing a novel diamond-cutting wire saw-seven-wire-twisting ring wire saw according to claim 1, wherein: the preparation method of the seven-wire twisted loop wire saw comprises the following preparation steps;
the method comprises the following steps: the method comprises the following steps of (1) disassembling a bare seven-filament twisted wire to obtain a straight core and 6 twisted wire strands, cutting a section of the straight core according to the required length, winding the straight core into a circle, winding the twisted wire strands with the required length multiplied by 6 on the periphery of the straight core for 6 circles, and weaving a seven-filament twisted bus (1);
step two: removing oil stains on the surface of the seven-wire twisted bus (1);
step three: electroplating metal nickel and large and small particle diamond bare materials (8) on the seven-wire stranded bus (1) in a static electroplating sanding mode, and then performing reinforcement electroplating treatment to wrap one part of the diamond bare materials (8) by a nickel layer to form a seven-wire stranded ring-shaped wire saw;
step four: and (5) cleaning and drying.
3. The novel diamond-cutting wire saw-seven-wire twisted ring wire saw as claimed in claim 2, wherein: the production line that the preparation method adopted includes plating preceding processing apparatus (5), go up sand device (6) and reinforcing apparatus (7), plating preceding processing apparatus (5) includes from the front to the alkali wash tank, cold wash bowl, descaling bath, cold wash bowl and the hot wash bowl of arranging in proper order after to, it includes sand work groove, goes up sand mother groove, extract device, filter equipment, goes up sand tray, naked material of diamond (8), positive pole (9) and negative pole to go up sand device (6), the naked material of diamond (8) includes former raw material of diamond, broken material, abnormal material and 4 types of material, it all is provided with nickel sulfamate solution with last sand mother inslot to go up sand work groove, connects through the extract device between and communicates with each other, reinforcing apparatus (7) are including thickening work groove, thickening mother groove, extract device, filter equipment, negative pole rotary device and positive pole (9), positive pole (9) include titanium basket and nickel cake, the cathode rotating device comprises a mercury slip ring and a conducting ring (10), wherein nickel sulfamate solution is arranged in the thickening working groove and the thickening mother groove and is communicated with the thickening working groove and the thickening mother groove through a liquid extracting device.
4. The novel diamond-cutting wire saw-seven-wire twisting ring wire saw as claimed in claim 1, wherein: the diameter of the seven-wire twisted bus (1) is 0.2-0.5 mm.
5. The novel diamond-cutting wire saw-seven-wire twisted ring wire saw as claimed in claim 2, wherein: and a strong cleaning agent is adopted during oil stain removal.
6. The novel diamond-cutting wire saw-seven-wire twisted ring wire saw as claimed in claim 2, wherein: the drying time is 20 minutes, and the cleanness of the surrounding environment is ensured.
CN202210675434.6A 2022-06-15 2022-06-15 Novel diamond cutting wire saw-seven-wire twisting ring-shaped wire saw and manufacturing method Pending CN114959816A (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489781A (en) * 2011-11-15 2012-06-13 李园 Diamond wire saw with stranded core and manufacturing process thereof
CN104227855A (en) * 2013-06-18 2014-12-24 李园 Diamond wire saw with stranded core wire and manufacturing method of diamond wire saw
CN204054379U (en) * 2014-08-12 2014-12-31 盛利维尔(中国)新材料技术有限公司 A kind of with reservoir stranded form composite diamond steel wire
CN204136252U (en) * 2014-09-24 2015-02-04 江苏中博钻石科技有限公司 Annular diamond fretsaw
CN108000735A (en) * 2017-12-29 2018-05-08 中国有色桂林矿产地质研究院有限公司 A kind of annular super-hard abrasive wire and preparation method thereof
CN108381797A (en) * 2018-02-09 2018-08-10 江苏中博钻石科技有限公司 Annular diamond fretsaw and its manufacturing method
CN110435028A (en) * 2019-08-13 2019-11-12 山东大学 A kind of twisted diamond fretsaw of annular and preparation method thereof
CN210525530U (en) * 2019-05-28 2020-05-15 无锡本亚机械科技有限公司 Annular diamond wire saw bus and wire saw
CN111923262A (en) * 2020-09-21 2020-11-13 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN212577687U (en) * 2020-06-12 2021-02-23 河南争锋超硬材料有限公司 Improved diamond saw blade
CN112428443A (en) * 2021-01-27 2021-03-02 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN112440396A (en) * 2021-02-01 2021-03-05 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN113186581A (en) * 2021-04-08 2021-07-30 苏州赛特锐精密机械配件有限公司 Annular electroplated diamond wire saw and preparation method thereof

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489781A (en) * 2011-11-15 2012-06-13 李园 Diamond wire saw with stranded core and manufacturing process thereof
CN104227855A (en) * 2013-06-18 2014-12-24 李园 Diamond wire saw with stranded core wire and manufacturing method of diamond wire saw
CN204054379U (en) * 2014-08-12 2014-12-31 盛利维尔(中国)新材料技术有限公司 A kind of with reservoir stranded form composite diamond steel wire
CN204136252U (en) * 2014-09-24 2015-02-04 江苏中博钻石科技有限公司 Annular diamond fretsaw
CN108000735A (en) * 2017-12-29 2018-05-08 中国有色桂林矿产地质研究院有限公司 A kind of annular super-hard abrasive wire and preparation method thereof
CN108381797A (en) * 2018-02-09 2018-08-10 江苏中博钻石科技有限公司 Annular diamond fretsaw and its manufacturing method
CN210525530U (en) * 2019-05-28 2020-05-15 无锡本亚机械科技有限公司 Annular diamond wire saw bus and wire saw
CN110435028A (en) * 2019-08-13 2019-11-12 山东大学 A kind of twisted diamond fretsaw of annular and preparation method thereof
CN212577687U (en) * 2020-06-12 2021-02-23 河南争锋超硬材料有限公司 Improved diamond saw blade
CN111923262A (en) * 2020-09-21 2020-11-13 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN112428443A (en) * 2021-01-27 2021-03-02 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN112440396A (en) * 2021-02-01 2021-03-05 天津市镍铠表面处理技术有限公司 Circular wire saw and manufacturing method thereof
CN113186581A (en) * 2021-04-08 2021-07-30 苏州赛特锐精密机械配件有限公司 Annular electroplated diamond wire saw and preparation method thereof

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Application publication date: 20220830