CN104729449A - Automatic measurement device for diamond tool bit parameters - Google Patents
Automatic measurement device for diamond tool bit parameters Download PDFInfo
- Publication number
- CN104729449A CN104729449A CN201510116225.8A CN201510116225A CN104729449A CN 104729449 A CN104729449 A CN 104729449A CN 201510116225 A CN201510116225 A CN 201510116225A CN 104729449 A CN104729449 A CN 104729449A
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- CN
- China
- Prior art keywords
- clamp
- cutter head
- testing device
- diamond segment
- frame
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Abstract
The invention provides an automatic measurement device for diamond tool bit parameters, and belongs to the technical field of measurement. The automatic measurement device for the diamond tool bit parameters solves the problems that an existing detector is poor in generality, low in efficiency and large in noise and comprises a rack, a clamp and a first distance sensor. A tool bit continuous conveying mechanism is arranged on the rack, and the clamp and the rack are connected through a mechanical drive assembly enabling the clamp to move between one end and the other target position of a conveying passage. The first distance sensor is fixed to the rack, and when the clamp is located on the other target position, a detection face of the first distance sensor right faces the outer side face of the clamp. The automatic measurement device for the diamond tool bit parameters adopts the clamp to clamp a tool bit and then performs measurement, and the clamp with the clamping face being a plane is suitable for clamping the majority of tool bits; when the clamp clamps a special tool bit, a clamp head of the clamp can be replaced, so the clamping face can be matched with the special tool bit; accordingly, the automatic measurement device for the diamond tool bit parameters has the advantage of being high in generality.
Description
Technical field
The invention belongs to field of measuring technique, relate to a kind of diamond segment parameter measurement, particularly a kind of diamond segment parameter auto-testing device.
Background technology
Diamond segment is the operative body of diamond cutting tool.Diamond cutting tool is as diamond disc saw blade, diamond gang saw, diamond disk and diamond core drill bit.The diamond cutting tool of identical type, diamond segment parameter also may not be identical; Different diamond cutting tool, diamond tool head shapes is not identical; Thus diamond segment model is more.
Diamond segment classification mainly with height and thickness for benchmark, thus highly and thickness be that diamond segment often surveys parameter.Diamond segment parameter is hand dipping before, there is the problem that labour intensity is large and measuring accuracy is low.In order to solve hand dipping Problems existing, once someone proposed diamond segment thickness gauge (Authorization Notice No.: CN203216446U); This detector achieves automatically to be measured diamond segment thickness and classifies according to cutter head thickness, but applicant still thinks that above-mentioned detector also exists some shortcomings, if the diamond segment model adopting above-mentioned detector to measure is less, during measurement, efficiency is low, noise is large.
Summary of the invention
The present invention proposes a kind of diamond segment parameter auto-testing device, the technical problem to be solved in the present invention how to improve the versatility of diamond segment parameter auto-testing device.
The technical matters that will solve of the present invention realizes by following technical proposal: this diamond segment parameter auto-testing device, comprise frame, there is the clamp of drive source and the first range sensor, frame is provided with the cutter head continuous conveying mechanism with transfer passage, by clamp can be made to be connected with the Mechanical Driven assembly of movement between another target location in an end of transfer passage between clamp with frame; First range sensor is fixed in frame, and when clamp is positioned on another target location the test surface of the first range sensor and clamp lateral surface just right.
The other end of transfer passage is connected with vibrating disk discharging opening, and cutter head enters transfer passage in an orderly manner by the vibration of vibrating disk, and the cutter head being positioned at transfer passage the other end is delivered to an end of transfer passage by cutter head continuous conveying mechanism; First manipulate clamp and clamp the cutter head being positioned at transfer passage one end; Manipulating Mechanical Driven assembly again drives clamp to move to another target location, the spacing of the first range sensor detection clamp lateral surface and sensor; Just can accurately show that clamp opens size, clamp opens size and is by clamping cutter head thickness or numerical value highly.Cutter head folder is measured behind transfer passage one end again, makes next cutter head in measuring process be transported to transfer passage one end, and then improve measurement efficiency.Be directly over splicing funnel as another target location preferential, splicing funnel is arranged in frame; Namely clamp opens, and cutter head just falls in splicing funnel automatically, and then turn improves measurement efficiency.
In above-mentioned diamond segment parameter auto-testing device, described frame is provided with cutter head placement platform.Manipulation Mechanical Driven assembly drives clamp to move, first cutter head is placed on cutter head placement platform, clamp cutter head again at once, move to another target location again, such manipulation can significantly improve the consistance of clamp clamping cutter head position, and then raising measuring accuracy, when especially cutter head is inclined-plane by clamping face.
In above-mentioned diamond segment parameter auto-testing device, this diamond segment parameter auto-testing device also comprises can carry out parameter measurement to the cutter head that clamp clamps when clamp is positioned on another target location and direction of measurement second measurement components vertical relative to the first range sensor direction of measurement.If the thickness of cutter head measured by the first range sensor, then the second measurement components measures the height of cutter head.
In above-mentioned diamond segment parameter auto-testing device, described second measurement components comprises pedestal and two measurement pressings be oppositely arranged, and measures pressing for one and is fixed on pedestal; Pedestal is fixed with can drive another root measure pressing to one measure pressing close or away from the first actuator; Pedestal is also fixed with for measuring the second distance sensor that two are measured spacing between pressing.
In above-mentioned diamond segment parameter auto-testing device, described second measurement components also comprises two thimbles be oppositely arranged, and a thimble is positioned at the side that is measured pressing, and a thimble is fixed on pedestal; Another root thimble is positioned at another root and measures the side of pressing, pedestal is fixed with can drive another root thimble to thimble close or away from the second actuator.
In above-mentioned diamond segment parameter auto-testing device, described second measurement components, between another target location and an end of transfer passage, dodges actuator by the second measurement components can be made to avoid first of clamp movement locus between pedestal and frame.
In above-mentioned diamond segment parameter auto-testing device, described second measurement components is positioned on clamp movement locus extended line, and pedestal is fixedly connected with frame.
Compared with prior art, this diamond segment parameter auto-testing device is measured after adopting clamp clamping cutter head again, and clamping face is that the clamp of plane is applicable to the most cutter head of clamping; When clamping special cutter head, the binding clip of replaceable clamp, makes clamping face and cutter head match; Thus diamond segment parameter auto-testing device has the advantage of highly versatile.
This diamond segment parameter auto-testing device has the first range sensor and the second measurement components, only can start the first range sensor or the second measurement components according to cutter head model to be measured and parameter to be measured, also can start the first range sensor and the second measurement components simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of measurement mechanism in embodiment one.
Fig. 2 is the perspective view at another visual angle of measurement mechanism in embodiment one.
Fig. 3 is the main TV structure schematic diagram of measurement mechanism in embodiment one.
Fig. 4 is the partial structurtes schematic diagram of measurement mechanism in embodiment one.
Fig. 5 is the perspective view of measurement mechanism in embodiment two.
Fig. 6 is measurement mechanism plan structure schematic diagram in embodiment two.
Fig. 7 is the perspective view of measurement mechanism in embodiment three.
Fig. 8 is the perspective view at another visual angle of measurement mechanism in embodiment three.
Fig. 9 is the side-looking structural representation of measurement mechanism in embodiment three.
In figure, 1, frame; 2, clamp; 3, the first range sensor; 4, cutter head continuous conveying mechanism; 41, transfer passage; 42, motor is carried; 5, Mechanical Driven assembly; 51, flat-removing air cyclinder; 52, lift cylinder; 6, splicing funnel; 7, the second measurement components; 71, pedestal; 72, pressing is measured; 73, thimble; 74, the first actuator; 75, the second actuator; 76, second distance sensor; 77, tender is detected; 8, first actuator is dodged; 9, cutter head placement platform; 10, second actuator is dodged; 11, cutter head.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 4, this diamond segment parameter auto-testing device comprises frame 1, has clamp 2, first range sensor 3 of drive source, cutter head continuous conveying mechanism 4, Mechanical Driven assembly 5 and controller.
Clamp 2 is pneumatic gripping 2 or electric clamp 2.Cutter head continuous conveying mechanism 4 has transfer passage 41, conveying motor 42 and conveying belt.Mechanical Driven assembly 5 is for mechanical arm or combined by multiple cylinder; The Mechanical Driven assembly 5 that this Figure of description provides comprises the lift cylinder 52 of a flat-removing air cyclinder be fixedly connected with frame 1 51, connecting clamp 2 and flat-removing air cyclinder 51.Controller is PLC or industrial computer.
Cutter head continuous conveying mechanism 4 is arranged on the end face of frame 1, and conveying belt is in horizontality.Transfer passage 41 extended line is provided with splicing funnel 6, and splicing funnel 6 is arranged in frame 1.
Be connected by Mechanical Driven assembly 5 between clamp 2 with frame 1, Mechanical Driven assembly 5 can make clamp 2 move between an end and another target location of transfer passage 41; Another target location is directly over splicing funnel 6.
First range sensor 3 is fixed in frame 1, and when clamp 2 is positioned on another target location the test surface of the first range sensor 3 and clamp 2 lateral surface just right.
This diamond segment parameter auto-testing device also comprises the second measurement components 7, can carry out parameter measurement and direction of measurement is vertical relative to the first range sensor 3 direction of measurement when clamp 2 is positioned on another target location to the cutter head 11 of clamping on clamp 2.
Second measurement components 7 comprises the measurement pressing 72 and two thimbles be oppositely arranged 73 that pedestal 71, two is oppositely arranged, and measures pressings 72 between thimble 73 and clamp 2 for two when clamp 2 is on another target location.A measurement pressing 72 and a thimble 73 are fixed on pedestal 71; Pedestal 71 is fixed with can drive another root measure pressing 72 to one measure pressing 72 near or away from the first actuator 74 and can drive another root thimble 73 to a thimble 73 near or away from the second actuator 75.Pedestal 71 is also fixed with for measuring the second distance sensor 76 that two are measured spacing between pressing 72.The present embodiment provides the first actuator 74 and the second actuator 75 is cylinder, and the second actuator 75 is fixed in the movable platform of the first actuator 74, thus the second actuator 75 movement travel is reduced, and then second actuator 75 can select the cylinder of more ting model, reduce costs the volume with this self-operated measuring unit.
Second measurement components 7, between another target location and an end of transfer passage 41, is dodged actuator 8 be connected by the second measurement components 7 can be made to avoid first of clamp 2 movement locus between pedestal 71 with frame 1.First dodges actuator 8 for cylinder.
First dodges actuator 8, first range sensor 3, second distance sensor 76, first actuator 74, second actuator 75, clamp 2 and Mechanical Driven assembly 5 all electrically connects with controller.
Utilize this diamond segment parameter auto-testing device to measure diamond segment control strategy to comprise and enable separately the first range sensor 3 and measure or enable separately the second measurement components 7 and measure or enable simultaneously the first range sensor 3 and the second measurement components 7 is measured.
Enable separately the first range sensor 3 to measure and comprise the following steps successively: first initial setting up, manipulation Mechanical Driven assembly 5 makes clamp 2 be positioned on another target location, and actuator 8 is dodged in manipulation first makes the second measurement components 7 avoid clamp 2 movement locus.Folder moves cutter head 11 again, manipulation Mechanical Driven assembly 5 makes clamp 2 move to transfer passage 41 an end portion, manipulation clamp 2 is closed clamps the cutter head 11 that is positioned at transfer passage 41 1 end, continues manipulation Mechanical Driven assembly 5 and clamp 2 is moved on another target location.Then measure, the first range sensor 3 detects the spacing of clamp 2 lateral surface and the first range sensor 3, and controller display and/or record cutter head 11 parameter, as cutter head 11 one-tenth-value thickness 1/10.Last blanking, manipulation clamp 2 opens, and cutter head 11 falls automatically.
Enable separately the second measurement components 7 to measure and comprise the following steps successively: first initial setting up, manipulation Mechanical Driven assembly 5 makes clamp 2 be positioned on another target location, and actuator 8 is dodged in manipulation first makes the second measurement components 7 avoid clamp 2 movement locus.Folder moves cutter head 11 again, manipulation Mechanical Driven assembly 5 makes clamp 2 move to transfer passage 41 an end portion, manipulation clamp 2 is closed clamps the cutter head 11 that is positioned at transfer passage 41 1 end, continues manipulation Mechanical Driven assembly 5 and clamp 2 is moved on another target location.Then measure, manipulation first is dodged actuator 8 and is driven the second measurement components 7 to move on clamp 2 movement locus, and now cutter head 11 is measured between pressing 72, also between two thimbles 73 at two; Manipulate the first actuator 74 to make two to measure pressings 72 to clamp cutter head 11, then manipulate the second actuator 75 and make two thimbles 73 clamp cutter head 11, thimble 73 can correct cutter head 11 position and avoids cutter head 11 to be in the states such as inclination in the process, improves measuring accuracy; Conveniently measure and be fixed with detection tender 77 in the movable platform of the first actuator 74, the spacing of second distance sensor 76 detection tender 77 and second distance sensor 76, controller calculates, show and/or record cutter head 11 parameter, as cutter head 11 height value.Last blanking, manipulation clamp 2 opens, and cutter head 11 falls automatically.
Enable the first range sensor 3 and the second measurement components 7 to measure and comprise the following steps successively: first initial setting up simultaneously, manipulation Mechanical Driven assembly 5 makes clamp 2 be positioned on another target location, and actuator 8 is dodged in manipulation first makes the second measurement components 7 avoid clamp 2 movement locus.
Folder moves cutter head 11 again, manipulation Mechanical Driven assembly 5 makes clamp 2 move to transfer passage 41 an end portion, manipulation clamp 2 is closed clamps the cutter head 11 that is positioned at transfer passage 41 1 end, continues manipulation Mechanical Driven assembly 5 and clamp 2 is moved on another target location.
Then start the first range sensor 3 to measure, the first range sensor 3 detects the spacing of clamp 2 lateral surface and the first range sensor 3, and controller calculates, show and/or record cutter head 11 parameter, as cutter head 11 one-tenth-value thickness 1/10.
And then start the second measurement components 7 to measure, manipulation first is dodged actuator 8 and is driven the second measurement components 7 to move on clamp 2 movement locus, and now cutter head 11 is measured between pressing 72, also between two thimbles 73 at two; Manipulate the first actuator 74 to make two to measure pressings 72 to clamp cutter head 11, then manipulate the second actuator 75 and make two thimbles 73 clamp cutter head 11, thimble 73 can correct cutter head 11 position and avoids cutter head 11 to be in the states such as inclination in the process, improves measuring accuracy; Conveniently measure and be fixed with detection tender 77 in the movable platform of the first actuator 74, the spacing of second distance sensor 76 detection tender 77 and second distance sensor 76, controller calculates, show and/or record cutter head 11 parameter, as cutter head 11 height value.
Last blanking, manipulation clamp 2 opens, and cutter head 11 falls automatically.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, basic something in common no longer burden describes, different place is only described, different place is: as shown in Figure 5 and Figure 6, this diamond segment parameter auto-testing device also comprises cutter head placement platform 9, cutter head placement platform 9 is positioned on clamp 2 movement locus line, dodges actuator 10 and is connected between cutter head placement platform 9 with frame 1 by cutter head placement platform 9 can be made to avoid second of clamp 2 movement locus.Second dodges actuator 10 for cylinder.Select whether enable cutter head placement platform 9 according to actual measurement operating mode; In the initial setup procedure of control strategy, manipulate second dodge actuator 10 and make cutter head placement platform 9 avoid clamp 2 movement locus.When needing to start cutter head placement platform 9 subsidiary, move in cutter head step at folder: manipulation Mechanical Driven assembly 5 makes clamp 2 move to transfer passage 41 an end portion, manipulation clamp 2 is closed clamps the cutter head that is positioned at transfer passage 41 1 end, continuing manipulation Mechanical Driven assembly 5 makes clamp 2 move first, actuator 10 is dodged in manipulation second makes cutter head placement platform 9 move on clamp 2 movement locus, manipulation Mechanical Driven assembly 5 makes clamp 2 first move down, after cutter head contacts with placement platform, manipulation clamp 2 opens and closes, manipulation Mechanical Driven assembly 5 makes clamp 2 move on another target location.
Embodiment three
The present embodiment with the structure of embodiment one and principle substantially identical, basic something in common no longer burden describes, different place is only described, different place is: as shown in Figure 7, Figure 8 and Figure 9, second measurement components 7 is positioned on clamp 2 movement locus extended line, and pedestal 71 is fixedly connected with frame 1.
Claims (10)
1. a diamond segment parameter auto-testing device, comprise frame (1), it is characterized in that, this diamond segment parameter auto-testing device also comprises the clamp (2) and the first range sensor (3) with drive source, frame (1) is provided with the cutter head continuous conveying mechanism (4) with transfer passage (41), by clamp (2) can be made to be connected with the Mechanical Driven assembly (5) of movement between another target location in an end of transfer passage (41) between clamp (2) with frame (1); First range sensor (3) is fixed in frame (1), and when clamp (2) is positioned on another target location the test surface of the first range sensor (3) and clamp (2) lateral surface just right.
2. diamond segment parameter auto-testing device according to claim 1, is characterized in that, described frame (1) is provided with splicing funnel (6), and another target location is positioned at directly over splicing funnel (6).
3. diamond segment parameter auto-testing device according to claim 1, it is characterized in that, described Mechanical Driven assembly (5) comprises the lift cylinder (52) of a flat-removing air cyclinder (51) be fixedly connected with frame (1), a connecting clamp (2) and flat-removing air cyclinder (51) for mechanical arm or Mechanical Driven assembly (5).
4. diamond segment parameter auto-testing device according to claim 1, is characterized in that, described frame (1) is provided with cutter head placement platform (9).
5. diamond segment parameter auto-testing device according to claim 1, it is characterized in that, described cutter head placement platform (9) is positioned on clamp (2) movement locus line, dodges actuator (10) and is connected between cutter head placement platform (9) with frame (1) by cutter head placement platform (9) can be made to avoid second of clamp (2) movement locus.
6. diamond segment parameter auto-testing device as claimed in any of claims 1 to 5, it is characterized in that, this diamond segment parameter auto-testing device also comprises when clamp (2) is positioned on another target location can carry out parameter measurement to the cutter head of the upper clamping of clamp (2) and direction of measurement second measurement components (7) vertical relative to the first range sensor (3) direction of measurement.
7. diamond segment parameter auto-testing device according to claim 6, it is characterized in that, described second measurement components (7) comprises pedestal (71) and two measurement pressings (72) be oppositely arranged, and measures pressing (72) for one and is fixed on pedestal (71); Pedestal (71) is fixed with can drive another root measure pressing (72) Xiang Yigen measure pressing (72) near or away from the first actuator (74); Pedestal (71) is also fixed with for measuring the second distance sensor (76) that two are measured spacing between pressing (72).
8. diamond segment parameter auto-testing device according to claim 7, it is characterized in that, described second measurement components (7) also comprises two thimbles be oppositely arranged (73), a thimble (73) is positioned at the side that is measured pressing (72), and a thimble (73) is fixed on pedestal (71); Another root thimble (73) be positioned at another root measure pressing (72) side, pedestal (71) is fixed with can drive another root thimble (73) to a thimble (73) near or away from the second actuator (75).
9. diamond segment parameter auto-testing device according to claim 6, it is characterized in that, described second measurement components (7) is positioned between an end of another target location and transfer passage (41), dodges actuator (8) between pedestal (71) and frame (1) by the second measurement components (7) can be made to avoid first of clamp (2) movement locus.
10. diamond segment parameter auto-testing device according to claim 6, it is characterized in that, described second measurement components (7) is positioned on clamp (2) movement locus extended line, and pedestal (71) is fixedly connected with frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116225.8A CN104729449B (en) | 2015-03-17 | 2015-03-17 | Automatic measurement device for diamond tool bit parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116225.8A CN104729449B (en) | 2015-03-17 | 2015-03-17 | Automatic measurement device for diamond tool bit parameters |
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| Publication Number | Publication Date |
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| CN104729449A true CN104729449A (en) | 2015-06-24 |
| CN104729449B CN104729449B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510116225.8A Active CN104729449B (en) | 2015-03-17 | 2015-03-17 | Automatic measurement device for diamond tool bit parameters |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258646A (en) * | 2015-11-06 | 2016-01-20 | 项俊俊 | Diamond cutter head parameter detection apparatus |
| CN105300298A (en) * | 2015-11-06 | 2016-02-03 | 项俊俊 | Diamond tool bit parameter measurement device and diamond saw blade welding machine |
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| JPS61114120A (en) * | 1984-11-09 | 1986-05-31 | Toshiba Mach Co Ltd | Scanning type thickness measuring device |
| CN102261902A (en) * | 2010-08-19 | 2011-11-30 | 厦门钨业股份有限公司 | Measuring method and device of PCB (printed circuit board) cutter |
| CN103322959A (en) * | 2013-06-04 | 2013-09-25 | 项大清 | Diamond saw blade thickness measurement device and welding machine with same |
| CN203216446U (en) * | 2013-04-15 | 2013-09-25 | 项大清 | Diamond cutter head thickness detector |
| CN203330795U (en) * | 2013-06-04 | 2013-12-11 | 项大清 | Diamond knife head face detecting device |
| CN204439053U (en) * | 2015-03-17 | 2015-07-01 | 项俊俊 | Diamond segment parameter auto-testing device |
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2015
- 2015-03-17 CN CN201510116225.8A patent/CN104729449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61114120A (en) * | 1984-11-09 | 1986-05-31 | Toshiba Mach Co Ltd | Scanning type thickness measuring device |
| CN102261902A (en) * | 2010-08-19 | 2011-11-30 | 厦门钨业股份有限公司 | Measuring method and device of PCB (printed circuit board) cutter |
| CN203216446U (en) * | 2013-04-15 | 2013-09-25 | 项大清 | Diamond cutter head thickness detector |
| CN103322959A (en) * | 2013-06-04 | 2013-09-25 | 项大清 | Diamond saw blade thickness measurement device and welding machine with same |
| CN203330795U (en) * | 2013-06-04 | 2013-12-11 | 项大清 | Diamond knife head face detecting device |
| CN204439053U (en) * | 2015-03-17 | 2015-07-01 | 项俊俊 | Diamond segment parameter auto-testing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258646A (en) * | 2015-11-06 | 2016-01-20 | 项俊俊 | Diamond cutter head parameter detection apparatus |
| CN105300298A (en) * | 2015-11-06 | 2016-02-03 | 项俊俊 | Diamond tool bit parameter measurement device and diamond saw blade welding machine |
| CN105258646B (en) * | 2015-11-06 | 2017-09-29 | 项俊俊 | Diamond segment parameter detection device |
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| Publication number | Publication date |
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| CN104729449B (en) | 2017-05-03 |
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