CN103322959A - Diamond saw blade thickness measurement device and welding machine with same - Google Patents
Diamond saw blade thickness measurement device and welding machine with same Download PDFInfo
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- CN103322959A CN103322959A CN2013102469029A CN201310246902A CN103322959A CN 103322959 A CN103322959 A CN 103322959A CN 2013102469029 A CN2013102469029 A CN 2013102469029A CN 201310246902 A CN201310246902 A CN 201310246902A CN 103322959 A CN103322959 A CN 103322959A
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Abstract
The invention provides a diamond saw blade thickness measurement device and a welding machine with the diamond saw blade thickness measurement device, and belongs to the technical field of welding. The diamond saw blade thickness measurement device and the welding machine with the diamond saw blade thickness measurement device solve the problem that a cutter head and a tool substrate of the prior welding machine are difficult to align. The diamond saw blade thickness measurement device comprises a base, an installment plate, a fixed measurement needle and a movable measurement needle arranged opposite to the fixed measurement needle, wherein the fixed measurement needle is fixed on the installment plate; a measurement cylinder and a travel sensor are fixed on the installment plate, the movable measurement needle is fixedly connected with a piston rod of the measurement cylinder, and a detection rod of the travel sensor is connected with the piston rod of the measurement cylinder; at least a connecting mechanism capable of ensuring that the installment plate flexibly moves in the thickness direction of a diamond saw blade is arranged between the base and the installment plate. The diamond saw blade thickness measurement device is completely controlled by a control circuit without being adjusted manually, and is high in automation degree and accurate in positioning.
Description
Technical field
The invention belongs to welding technology field, relate to a kind of measurement mechanism, particularly a kind of diamond saw blade measurer for thickness.
The invention belongs to welding technology field, relate to a kind of bonding machine, particularly a kind of diamond saw chip bonding machine with above-mentioned diamond saw blade measurer for thickness.
Background technology
Diamond disk refers to for the disc type grinding tool on the muller, be mainly used in stone material, ceramic tile edging and polishing, be made up of disk body and diamond segment, diamond segment welds or is embedded on the disk body, by the high speed rotation of grinding machine the workplace of pottery is implemented smooth polishing and cutting.Be a kind of diamond segment to be welded on machine on the disk body by high-frequency heating from the movable grinding disc bonding machine.
A kind of edging wheel and the manufacture craft [patent No.: 200710028022.9 thereof that provide as State Intellectual Property Office of the People's Republic of China, notification number: CN101049684], comprise the diamond segment that is arranged on the metal grinding table, the cutter head bottom is embedded with metal connecting piece, and cutter head is welded as a whole by metal connecting piece and mill.On the substrate of metal connecting piece locating piece is set, this locating piece upwards stretches in the cutter head.During making, earlier adamantine prescription powder is put in the mould, then the metal connecting piece of making is rendered in the mould, compacting prescription powder and metal connecting piece, successively entire die is put in chilling press and the hot press then and colds pressing and hot pressing, open mould at last, therefrom take out cutter head and the metal connecting piece of moulding; Process the assembling step of ring-type at the metal circular mill; Then the cutter head after the moulding and metal connecting piece are placed on the assembling step, arrange at interval; At last by butt-welding machine with cutter head and metal connecting piece with mill butt-joint be in the same place.Location of the present invention and that the clamping time is short, cost of manufacture is low, production efficiency is high, mill is cut performance is good.In its location during cutter head, be placed on the phenomenon that occurs displacement behind the assembling step easily for preventing cutter head, so process positive stop lug boss at the assembling step, the cutter head top of the edging wheel after maybe will making processes 2 ° to 8 ° inclination angle.This method has increased cost for undoubtedly the making of edging wheel, and difficulty relatively on the manual accurate position that cutter head is placed on the metal circular mill, and also the extra processing technology that increases has reduced production efficiency.
Summary of the invention
The present invention proposes a kind of diamond saw blade measurer for thickness, the present invention will solve the low problem of measuring accuracy.
The present invention proposes a kind of diamond saw chip bonding machine with above-mentioned diamond saw blade measurer for thickness, the present invention will solve the low problem of substrate relative accuracy of cutter head and diamond saw blade.
Purpose of the present invention can realize by following technical proposal: a kind of diamond saw blade measurer for thickness, it is characterized in that, this measurer for thickness comprises pedestal, installing plate, fixation measuring pin and the movable surveyingpin that is oppositely arranged with the fixation measuring pin, and the fixation measuring pin is fixed on the installing plate; The cylinder of measurement and stroke sensor are fixedly arranged on the installing plate, and movable surveyingpin is fixedlyed connected with the measurement cylinder piston rod, and the feeler of stroke sensor is connected with the measurement cylinder piston rod; At least be provided with between pedestal and the installing plate installing plate is linked with respect to the bindiny mechanism of diamond saw blade thickness direction compliant motion.
In above-mentioned diamond saw blade measurer for thickness, described bindiny mechanism comprises the guide assembly one that connects pedestal and installing plate, also is provided with between described pedestal and the installing plate to make the fixation measuring pin have spring away from diamond saw blade direction movement tendency all the time.
In above-mentioned diamond saw blade measurer for thickness, described bindiny mechanism comprises middle connecting plate, the guide assembly one that connects middle connecting plate and installing plate also is provided with between described middle connecting plate and the installing plate and makes the fixation measuring pin have spring away from diamond saw blade direction movement tendency all the time; Between described pedestal and the middle connecting plate by middle connecting plate along making diamond saw blade embed gap between fixation measuring pin and the movable surveyingpin or the guide assembly two that gap direction is moved between diamond saw blade disengaging fixation measuring pin and the movable surveyingpin being connected; Be provided with actuator or the keeper that can make the middle connecting plate motion between described pedestal and the middle connecting plate.
In above-mentioned diamond saw blade measurer for thickness, described actuator comprises first motor and the first screw mandrel screw assembly, and the screw mandrel of the first screw mandrel screw assembly is positioned on the pedestal, and screw is fixedlyed connected with middle connecting plate; First electric machine casing is fixed on the pedestal, and main shaft is connected with screw mandrel.
In above-mentioned diamond saw blade measurer for thickness, described actuator comprises shakes the hand and the first screw mandrel screw assembly, and the screw mandrel of the first screw mandrel screw assembly is positioned on the pedestal, and screw is fixedlyed connected with middle connecting plate; Shake the hand and fixedly connected with screw mandrel one end.
In above-mentioned diamond saw blade measurer for thickness, described keeper is bolt, and described guide assembly two comprises slide rail and slippery fellow, and described bolt is arranged on the slippery fellow; Or keeper comprises the backstay that is fixed on the pedestal, has several locating slots on the backstay, and described guide assembly two comprises slide rail and slippery fellow, and the slippery fellow is provided with the location convex body that can embed in one of them locating slot.
In above-mentioned diamond saw blade measurer for thickness, described measurement cylinder and stroke sensor series connection arrange, and the feeler of described stroke sensor is fixedlyed connected with the measurement cylinder piston rod; Or measure cylinder and stroke sensor is arranged in parallel, described installing plate top is provided with guide plate, is connected by the guide direction guide assembly three parallel with measurement cylinder piston rod direction of motion between guide plate and the installing plate; The feeler of measuring cylinder, movable surveyingpin and stroke sensor is all fixedlyed connected with guide plate.
A kind of diamond saw chip bonding machine with above-mentioned diamond saw blade measurer for thickness, the cutter head clamping device that comprises frame, is used for locating the anchor clamps of diamond saw blade and is used for the clamping cutter head; Described frame is provided with the lifter plate that can vertically move up and down, and described anchor clamps are arranged on the lifter plate; Described cutter head clamping device comprises contiguous block and pneumatic chuck, is connected by lift cylinder between described contiguous block and the frame; It is characterized in that this bonding machine also comprises control circuit and above-mentioned diamond saw blade measurer for thickness; Move and have the guiding driven unit of second motor with respect to the diamond saw blade thickness direction by driving the pneumatic chuck edge between described pneumatic chuck and the contiguous block; The stroke sensor of above-mentioned diamond saw blade measurer for thickness and described second motor all electrically connect with control circuit.
In above-mentioned diamond saw chip bonding machine, described guiding driven unit comprises the second screw mandrel screw, and the screw that connects guide assembly four, the second screw mandrel screws of contiguous block and pneumatic chuck is fixedlyed connected with pneumatic chuck, and screw mandrel is positioned on the contiguous block; Second electric machine casing is fixed on the contiguous block, and main shaft is connected with screw mandrel.
In above-mentioned diamond saw chip bonding machine, on described second machine shaft small pulley is arranged fixedly, be fixedly connected with big belt wheel on the described screw mandrel, be connected by driving-belt between described small pulley and the big belt wheel.The second driven by motor small pulley, small pulley drives big belt wheel, thereby drives screw mandrel, plays the purpose that reduces rotating speed by the belt wheel transmission.
In above-mentioned diamond saw chip bonding machine, the pedestal of described diamond saw blade measurer for thickness is fixed on the lifter plate or on the frame.
Compared with prior art, this diamond saw blade measurer for thickness has the following advantages with the diamond saw chip bonding machine with above-mentioned diamond saw blade measurer for thickness:
1, the diamond saw blade measurer for thickness can accurately be measured the thickness of diamond saw blade, and thickness data fed back to control circuit, control circuit drives second motor according to the thickness data that obtains, thereby second motor promotes pneumatic chuck cutter head is moved on the correct position.This device all by control circuit control, does not need manual setting, automaticity height, and accurate positioning.
2, spring can overcome the diamond saw blade position problem different with fixation measuring pin needle position, even installing plate can move with respect to lifter plate or frame, but can avoid installing plate to move without restrictions; Therefore guaranteed measuring accuracy.
3, the installing plate position can be adjusted, and therefore makes a bonding machine be fit to the interior diamond saw blade of certain diameter scope.Pedestal can be fixed on the lifter plate, but again on the fixed frame, therefore makes this diamond saw blade measurer for thickness be applicable to different model ground bonding machine.
Description of drawings
Fig. 1 is the structural representation of this diamond saw blade bonding machine.
Fig. 2 is the plan structure synoptic diagram of this diamond saw blade measurer for thickness.
Fig. 3 is the structural representation of this diamond saw blade measurer for thickness another program.
Fig. 4 is this diamond saw blade bonding machine cutter head clamping device side-looking structural representation.
Fig. 5 is this diamond saw blade bonding machine cutter head clamping device master TV structure synoptic diagram.
Fig. 6 is this diamond saw blade bonding machine cutter head clamping device backsight structural representation.
Among the figure, 1, pedestal; 2, installing plate; 3, fixation measuring pin; 4, movable surveyingpin 5, measurement cylinder; 6, stroke sensor; 7, middle connecting plate; 8, guide assembly one; 9, spring; 10, drive cylinder 11, the first screw mandrel screw assembly; 12, shake the hand 13, guide plate; 14, guide assembly three; 15, frame; 16, diamond saw blade; 17, cutter head clamping device; 18, lifter plate; 19, contiguous block 20, pneumatic chuck; 21, lift cylinder; 22, second motor; 23, the second screw mandrel screw; 24, guide assembly four; 25, small pulley 26, big belt wheel; 27, driving-belt.
Embodiment
This diamond saw blade measurer for thickness comprises pedestal 1, installing plate 2, fixation measuring pin 3 and the movable surveyingpin 4 that is oppositely arranged with fixation measuring pin 3.Fixation measuring pin 3 is fixed on the installing plate 2; The cylinder 5 of measurement and stroke sensor 6 are fixedly arranged on the installing plate 2, and movable surveyingpin 4 is fixedlyed connected with measurement cylinder 5 piston rods.The feeler of stroke sensor 6 is connected with measurement cylinder 5 piston rods; At least be provided with between pedestal 1 and the installing plate 2 installing plate 2 is linked with respect to the bindiny mechanism of diamond saw blade 16 thickness direction compliant motions.
Utilize this diamond saw blade measurer for thickness to measure diamond saw blade 16, at first when measuring diamond saw blade 16, diamond saw blade 16 is fixed on the anchor clamps; Need diamond saw blade to be measured 16 is embedded between movable surveyingpin 4 and the fixation measuring pin 3.Before measuring, has the gap between fixation measuring pin 3 and the diamond saw blade 16.
Rerun and measure cylinder 5, piston rod stretches out 4 motions of promotion activity surveyingpin, diamond saw blade 16 is clipped between fixation measuring pin 3 and the movable surveyingpin 4, installing plate 2 is with respect to diamond saw blade 16 thickness direction compliant motions in this process, and namely fixation measuring pin 3 is to moving near diamond saw blade 16 directions; Avoid diamond saw blade 16 diamond saw blade 16 under the effect of movable surveyingpin 4 that deformation takes place, cause the inaccurate problem that detects.
Specifically, bindiny mechanism comprises middle connecting plate 7, the guide assembly 1 that connects middle connecting plate 7 and installing plate 2 also is provided with between described middle connecting plate 7 and the installing plate 2 and makes fixation measuring pin 3 have spring 9 away from diamond saw blade 16 direction movement tendencies all the time; Between described pedestal 1 and the middle connecting plate 7 by middle connecting plate 7 along making diamond saw blade 16 embed gap between fixation measuring pins 3 and the movable surveyingpin 4 or the guide assembly two that gap direction is moved between diamond saw blade 16 disengaging fixation measuring pins 3 and the movable surveyingpin 4 being connected; Be provided with actuator or the keeper that can make middle connecting plate 7 motions between described pedestal 1 and the middle connecting plate 7.According to actual conditions, bindiny mechanism can adopt following scheme to replace: bindiny mechanism comprises the guide assembly 1 that connects pedestal 1 and installing plate 2, also is provided with between described pedestal 1 and the installing plate 2 to make fixation measuring pin 3 have spring 9 away from diamond saw blade 16 direction movement tendencies all the time.
According to actual conditions, actuator can adopt following scheme: first scheme: actuator is for driving cylinder 10.Alternative plan: actuator comprises that the screw mandrel of first motor and the first screw mandrel screw assembly, 11, the first screw mandrel screw assemblies 11 is positioned on the pedestal 1, and screw is fixedlyed connected with middle connecting plate 7; First electric machine casing is fixed on the pedestal 1, and main shaft is connected with screw mandrel.Third party's case: actuator comprises that the screw mandrel of the 12 and first screw mandrel screw assembly, 11, the first screw mandrel screw assemblies 11 of shaking the hand is positioned on the pedestal 1, and screw is fixedlyed connected with middle connecting plate 7; Shake the hand and 12 fixedly connected with screw mandrel one end.Hence one can see that, manually shakes and shake the hand 12 or the motor-driven screw mandrel, realizes that again middle connecting plate 7 moves; Can diamond saw blade 16 is fixing earlier, make diamond saw blade 16 embed folder mouth between fixation measuring pin 3 and the movable surveyingpin 4 by mobile middle connecting plate 7 again.As shown in Figure 1, this measurement mechanism is in series by first scheme and third party's case.
Keeper is bolt, and described guide assembly two comprises slide rail and slippery fellow, and described bolt is arranged on the slippery fellow.According to actual conditions, keeper can adopt following scheme to replace: keeper comprises the backstay that is fixed on the pedestal 1, have several locating slots on the backstay, described guide assembly two comprises slide rail and slippery fellow, and the slippery fellow is provided with the location convex body that can embed in one of them locating slot.
As depicted in figs. 1 and 2, measure cylinder 5 and stroke sensor 6 series connection settings, the feeler of described stroke sensor 6 is fixedlyed connected with measurement cylinder 5 piston rods.As shown in Figure 3, measure cylinder 5 and stroke sensor 6 and be arranged in parallel, described installing plate 2 tops are provided with guide plate 13, are connected by the guide direction guide assembly 3 14 parallel with measuring cylinder 5 piston rod movement directions between guide plate 13 and the installing plate 2; The feeler of measuring cylinder 5, movable surveyingpin 4 and stroke sensor 6 is all fixedlyed connected with guide plate 13.
As shown in Figure 1, this diamond saw blade 16 bonding machines comprise control circuit, frame 15, be used for location diamond saw blade 16 anchor clamps, be used for cutter head clamping device 17 and the above-mentioned diamond saw blade measurer for thickness of clamping cutter head.
Control circuit is the PLC that writes control program.
The pedestal 1 of diamond saw blade measurer for thickness is fixed on the lifter plate 18; This structure is fit to the bonding machine of welding minor diameter diamond saw blade 16.The pedestal 1 of diamond saw blade measurer for thickness also can be fixed on the frame 15; This structure is fit to the bonding machine of welding major diameter diamond saw blade 16.
Move and have the guiding driven unit of second motor 22 with respect to diamond saw blade 16 thickness directions by driving pneumatic chuck 20 edges between pneumatic chuck 20 and the contiguous block 19.The guiding driven unit comprises the second screw mandrel screw 23, and the screw that connects guide assembly 4 24, the second screw mandrel screw 23 of contiguous block 19 and pneumatic chuck 20 is fixedlyed connected with pneumatic chuck 20, and screw mandrel is positioned on the contiguous block 19; Second motor, 22 housings are fixed on the contiguous block 19, and main shaft is connected with screw mandrel.In 22 rotating shafts of second motor small pulley 25 is arranged fixedly, be fixedly connected with big belt wheel 26 on the described screw mandrel, be connected by driving-belt 27 between described small pulley 25 and the big belt wheel 26.
The stroke sensor 6 of above-mentioned diamond saw blade measurer for thickness and described second motor 22 all electrically connect with control circuit.
This diamond saw blade 16 bonding machines measure the thickness of diamond saw blade 16 earlier by the diamond saw blade measurer for thickness, the simulation value of diamond saw blade 16 thickness is transferred to control circuit, controls second motor 22 on the cutter head clamping device 17 again.Second motor 22 is servomotor or stepper motor, namely realizes that by the control motor control pneumatic chuck 20 is with respect to diamond saw blade 16 thickness direction movement travels; The cutter head of realizing pneumatic chuck 20 clampings and the substrate of diamond saw blade 16 are over against, raising diamond saw blade 16 welding qualities.
Claims (10)
1. diamond saw blade measurer for thickness, it is characterized in that, this measurer for thickness comprises pedestal (1), installing plate (2), fixation measuring pin (3) and the movable surveyingpin (4) that is oppositely arranged with fixation measuring pin (3), and fixation measuring pin (3) is fixed on the installing plate (2); Installing plate (2) is gone up fixedly measurement cylinder (5) and stroke sensor (6), and movable surveyingpin (4) is fixedlyed connected with measurement cylinder (5) piston rod, and the feeler of stroke sensor (6) is connected with measurement cylinder (5) piston rod; At least be provided with between pedestal (1) and the installing plate (2) installing plate (2) is linked with respect to the bindiny mechanism of diamond saw blade (16) thickness direction compliant motion.
2. diamond saw blade measurer for thickness according to claim 1, it is characterized in that, described bindiny mechanism comprises middle connecting plate (7), the guide assembly one (8) that connects middle connecting plate (7) and installing plate (2) also is provided with between described middle connecting plate (7) and the installing plate (2) and makes fixation measuring pin (3) have spring (9) away from diamond saw blade (16) direction movement tendency all the time; Be connected along making diamond saw blade (16) embed gap between fixation measuring pin (3) and the movable surveyingpin (4) or making diamond saw blade (16) break away from the guide assembly two that gap direction is moved between fixation measuring pin (3) and the movable surveyingpin (4) by middle connecting plate (7) between described pedestal (1) and the middle connecting plate (7); Be provided with actuator or the keeper that can make middle connecting plate (7) motion between described pedestal (1) and the middle connecting plate (7).
3. diamond saw blade measurer for thickness according to claim 2, it is characterized in that, described actuator comprises first motor and the first screw mandrel screw assembly (11), and the screw mandrel of the first screw mandrel screw assembly (11) is positioned on the pedestal (1), and screw is fixedlyed connected with middle connecting plate (7); First electric machine casing is fixed on the pedestal (1), main shaft is connected with screw mandrel or described actuator comprises and shaking the hand (12) and the first screw mandrel screw assembly (11), the screw mandrel of the first screw mandrel screw assembly (11) is positioned on the pedestal (1), and screw is fixedlyed connected with middle connecting plate (7); Shake the hand (12) fixedly connected with screw mandrel one end.
4. diamond saw blade measurer for thickness according to claim 2 is characterized in that, described actuator is for driving cylinder (10).
5. diamond saw blade measurer for thickness according to claim 2 is characterized in that, described keeper is bolt, and described guide assembly two comprises slide rail and slippery fellow, and described bolt is arranged on the slippery fellow; Or keeper comprises the backstay that is fixed on the pedestal (1), has several locating slots on the backstay, and described guide assembly two comprises slide rail and slippery fellow, and the slippery fellow is provided with the location convex body that can embed in one of them locating slot.
6. according to any described diamond saw blade measurer for thickness in the claim 1 to 5, it is characterized in that, described measurement cylinder (5) and stroke sensor (6) series connection arrange, and the feeler of described stroke sensor (6) is fixedlyed connected with measurement cylinder (5) piston rod; Or measure cylinder (5) and stroke sensor (6) is arranged in parallel, described installing plate (2) top is provided with guide plate (13), is connected by the guide direction guide assembly three (14) parallel with measuring cylinder (5) piston rod movement direction between guide plate (13) and the installing plate (2); The feeler of measuring cylinder (5), movable surveyingpin (4) and stroke sensor (6) is all fixedlyed connected with guide plate (13).
7. diamond saw chip bonding machine with above-mentioned diamond saw blade measurer for thickness comprises frame (15), is used for the anchor clamps of location diamond saw blade (16) and is used for the cutter head clamping device (17) of clamping cutter head; Described frame (15) is provided with the lifter plate (18) that can vertically move up and down, and described anchor clamps are arranged on the lifter plate (18); Described cutter head clamping device (17) comprises contiguous block (19) and pneumatic chuck (20), is connected by lift cylinder (21) between described contiguous block (19) and the frame (15); It is characterized in that this bonding machine also comprises control circuit and above-mentioned diamond saw blade measurer for thickness; Move and have the guiding driven unit of second motor (22) with respect to diamond saw blade (16) thickness direction by driving pneumatic chuck (20) edge between described pneumatic chuck (20) and the contiguous block (19); The stroke sensor of above-mentioned diamond saw blade measurer for thickness (6) and described second motor (22) all electrically connect with control circuit.
8. diamond saw chip bonding machine according to claim 7, it is characterized in that, described guiding driven unit comprises the second screw mandrel screw (23), the guide assembly four (24) that connects contiguous block (19) and pneumatic chuck (20), the screw of the second screw mandrel screw (23) is fixedlyed connected with pneumatic chuck (20), and screw mandrel is positioned on the contiguous block (19); Second motor (22) housing is fixed on the contiguous block (19), and main shaft is connected with screw mandrel.
9. diamond saw chip bonding machine according to claim 8, it is characterized in that, in described second motor (22) rotating shaft small pulley (25) is arranged fixedly, be fixedly connected with big belt wheel (26) on the described screw mandrel, be connected by driving-belt (27) between described small pulley (25) and the big belt wheel (26).
10. according to claim 7 or 8 or 9 described diamond saw chip bonding machines, it is characterized in that, the pedestal of described diamond saw blade measurer for thickness (1) be fixed on that lifter plate (18) is gone up or frame (15) on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310246902.9A CN103322959B (en) | 2013-06-04 | 2013-06-04 | Diamond saw chip bonding machine |
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| CN201310246902.9A CN103322959B (en) | 2013-06-04 | 2013-06-04 | Diamond saw chip bonding machine |
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| CN103322959B CN103322959B (en) | 2016-08-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729449A (en) * | 2015-03-17 | 2015-06-24 | 项俊俊 | Automatic measurement device for diamond tool bit parameters |
| CN105300298A (en) * | 2015-11-06 | 2016-02-03 | 项俊俊 | Diamond tool bit parameter measurement device and diamond saw blade welding machine |
| CN106180953A (en) * | 2015-05-10 | 2016-12-07 | 项俊俊 | The saw bit matrix positioner of diamond saw chip bonding machine |
| CN108693024A (en) * | 2018-05-21 | 2018-10-23 | 项大清 | A kind of diamond saw blade parameter detection device |
| CN108917682A (en) * | 2018-05-21 | 2018-11-30 | 项大清 | Diamond saw blade parameter detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104729449A (en) * | 2015-03-17 | 2015-06-24 | 项俊俊 | Automatic measurement device for diamond tool bit parameters |
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| CN106180953A (en) * | 2015-05-10 | 2016-12-07 | 项俊俊 | The saw bit matrix positioner of diamond saw chip bonding machine |
| CN105300298A (en) * | 2015-11-06 | 2016-02-03 | 项俊俊 | Diamond tool bit parameter measurement device and diamond saw blade welding machine |
| CN108693024A (en) * | 2018-05-21 | 2018-10-23 | 项大清 | A kind of diamond saw blade parameter detection device |
| CN108917682A (en) * | 2018-05-21 | 2018-11-30 | 项大清 | Diamond saw blade parameter detection device |
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| CN103322959B (en) | 2016-08-17 |
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