CN107238492A - A kind of method for the device and its test for testing 3D printing sanding gear performance parameter - Google Patents
A kind of method for the device and its test for testing 3D printing sanding gear performance parameter Download PDFInfo
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- CN107238492A CN107238492A CN201710526014.0A CN201710526014A CN107238492A CN 107238492 A CN107238492 A CN 107238492A CN 201710526014 A CN201710526014 A CN 201710526014A CN 107238492 A CN107238492 A CN 107238492A
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- sanding
- sand
- strike
- sanding gear
- gear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of method for being exclusively used in testing the device and its test of 3D printing sanding gear performance parameter, the device of the test 3D printing sanding gear performance parameter of the present invention, including mounting bracket, left and right is parallel in the mounting bracket is provided with two groups of transmission modules, the transmission module is used to install sanding gear to be tested, the mounting bracket side is provided with the sand supplying device to sanding gear sand supplying, mounting bracket between the transmission module is provided with the crossbeam one and crossbeam two being parallel to each other, turnover supporting plate is horizontally installed with the crossbeam one, the length direction of the supporting plate is consistent with the length direction of the seam that shakes out of sanding gear, the both sides of the crossbeam two are separately installed with contour detecting equipment and precision testing device, the contour detecting equipment is used to detect that sanding gear goes out the sand heap cross section profile of sand wash, the precision testing device is strike-off bottom plate precision for detection.
Description
Technical field
The present invention relates to 3D printing device debugging equipment technology field, more particularly to a kind of test 3D printing sanding gear performance
The device of parameter and its method for test.
Background technology
The casting sanding equipment of 3DP printers, is one of key equipment during casting sand type 3D printing.It is acted on
It is to carry out sanding on the table, has spread after one layer, printhead can be printed on the layer of sand completed.One layer has been spread, has been beaten
One layer of print, so moves in circles.During whole sanding, it is desirable to the smooth corrugationless in molding sand surface, such printhead could just
Often work, realizes print on demand.Therefore, the parameters to sanding equipment require very high.Carried out to 3DP printer apparatus
During installation and debugging, if a certain item parameter of sanding equipment is not inconsistent, by causing, the layer of sand surface spread out is uneven, so as to influence printing
Quality.
To the performance requirement of sanding equipment various aspects, major embodiment is in the following areas：Lower Sha Kou gaps are adjusted in place, scraped
Sand bottom plate flatness and angle is consistent, lower sand amount appropriateness, uniform etc..After the sanding rigging up and debugging of printer is good, first have to
The test of performance parameter is carried out, after test meets the requirements, can just be put into production.Generally, the test of sanding device performance parameters, all
It is that to be mounted directly to sanding equipment on printer, the normal production printing of simulation is detected.If its performance parameter meets
It is required that, it is possible to direct plunge into and use.If detection is unqualified, whole sanding equipment need to be disassembled, re-start installation
Debugging.Then refill on printer and detected, and so on, until the performance parameter of sanding equipment meets the requirements.So
Constantly remove and install in debugging process, occupy the use time of 3DP printing devices, the use effect of influence 3DP printing devices
Rate.
The content of the invention
The present invention is surveyed for the unreasonable of 3D printing sanding device performance parameters detection mode in the prior art there is provided one kind
The device of 3D printing sanding gear performance parameter is tried, the bottom plate that is exclusively used in strike-ofing before installation and debugging is strike-off the inspection of precision and sanding uniformity
Survey, to avoid detection process from taking 3D printing equipment.
The object of the present invention is achieved like this, a kind of device for testing 3D printing sanding gear performance parameter, including installs
Left and right is parallel in support, the mounting bracket is provided with two groups of transmission modules, and the transmission module is used to install sanding to be tested
Device, the mounting bracket side is provided with the mounting bracket between the sand supplying device to sanding gear sand supplying, the transmission module and set
Have and be horizontally installed with turnover supporting plate on the crossbeam one and crossbeam two being parallel to each other, the crossbeam one, the supporting plate
Length direction is consistent with the length direction that the lower sand of sanding gear is stitched, and the both sides of the crossbeam two are separately installed with contour detecting equipment
And precision testing device, the contour detecting equipment is for detecting that sanding gear goes out the sand heap cross section profile of sand wash, the precision
Detection device is strike-off bottom plate precision for detection.
Two groups of transmission modules, supporting plate and the sand supplying device set in the test device of the present invention, mounting bracket, for mould
Intend installation operating mode of the sanding gear on 3D printer, the transmission module that transmission module therein is used to simulate on 3D printer is used for
Transmission module in edge is moved back and forth when installing sanding gear and realizing simulation sanding；There is provided simulation for simulating print platform for supporting plate
The platform of sanding, overturns the supporting plate set, it is possible to achieve continue during sanding, the sand upset for spreading certain thickness is once carried out
Sand, then proceedes to sanding, the do action of upset, is easy to sanding gear continuous service for a period of time afterwards to performance parameter stability
Test；Contour detecting equipment is used for the measure of sanding gear institute sanding heap cross section profile, uniform with determine that sanding gear shakes out
Property, precision testing device is used for the smart bottom for detecting bottom plate of strike-ofing, for determining its strike-off flatness and angle.Therefore, by this
The test device of invention, it is possible to achieve the special test of critical performance parameters before sanding gear is installed and used, it is to avoid test is adjusted repeatedly
The repeated removal and installation procedure of sanding gear are tried, the efficiency of printing device installation and debugging is improved.
For ease of accurate simulation sanding motion, the mounting distance and installation accuracy of two groups of transmission modules on 3D printer with using
It is identical in the transmission module for installing sanding gear, for simulating sanding movement of the sanding gear in 3D printing equipment.
Sand is fallen for ease of the upset of collecting supporting plate, and the lower section of the supporting plate is provided with sand launder is connect, for receiving supporting plate
Upset fall sand.
Further, the contour detecting equipment is profile measurer；The precision testing device senses for laser displacement
Device.
Further, the sand supplying device includes support frame, sub-sand funnel, mixing sand tank and control mouth of shaking out.
Further, the mounting bracket installs the side for being driven module provided with electrical control cabinet, and opposite side is provided with detection
Operating desk.
3D printing sanding gear performance test is carried out using above-mentioned test device it is a further object to provide one kind
Method, including following process：
S1：Sanding gear is installed：Sanding gear is steadily arranged on transmission module, sanding gear is back and forth moved on transmission module
It is dynamic；
S2：Strike-off precision measure:Set the angle for bottom plate of being strike-off on the downside of sanding gear to be strike-off angle for theory, then start precision inspection
Measurement equipment detection strike-off bottom plate relative level setting supporting plate angle of inclination, when each measuring point observed dip angle with
The error of theoretical tilt angle be less than 0.1o when, then judge strike-off bottom plate precision of strike-ofing it is qualified；
S3：Sanding uniformity measurement：By sanding gear set to add sand position, and by sand supplying device to sanding gear persistently add test use
Sand, then sanding gear is adjusted to the lower sand position above supporting plate, to plate surface sanding is supported 5-10 seconds, then disposable original place adds
Sanding gear is back to emptying position；Using supporting plate as the sanding plane of reference, pass through the sand heap in contour detecting device measuring supporting plate
Upper some cross section profiles, and calculate the area in each Sha Dui sections along its length, the difference in areas in each measurement section is less than 2mm2, then
Judge that sanding uniformity is qualified；
S4：Using supporting plate as sanding region, sanding gear is set to continue sanding 12-15 hours, sanding on the supporting plate along transmission module
During per reciprocal sanding once, supporting plate overturn once, institute's sanding material is poured into and connect in sand launder, sanding is then proceeded by and falls
The perseveration of sand；
S5：Terminate S4 processes lasting sanding process after, repeat S2 and S3 processes strike-off precision measure and sanding it is uniform
Property measurement, to test the stability of sanding equipment.
The sanding gear performance parameter test method of the present invention, S2 and S3 processes by testing the precision of strike-ofing of sanding gear for the first time
With sanding uniformity, to detect whether sanding gear performance parameter is qualified, debug in order to the judgement to sanding gear performance or again；S4
With S5 processes, after first test passes, sanding gear is simulated sanding and carry out retest again for a period of time, to judge sanding gear
The stability of performance.
Therefore, test device and method of testing of the invention, by setting uniformity detection device and precision testing device,
Strike-off precision and the sanding uniformity of sanding equipment are tested in advance, repeat to dismount when solving sanding gear parameter measurement.By right
The detection of sanding equipment precision and sanding uniformity detection, it is ensured that sanding equipment can plug and play, without manpower test, effectively
Save the set-up time, improve printer apparatus installation and debugging efficiency.
For ease of the accurate precision of strike-ofing for measuring bottom plate of strike-ofing, S2 processes, in precision measure of strike-ofing：Strike-off the theory of bottom plate
After angle is set, some and floor length direction of strike-ofing is chosen along floor length direction of strike-ofing is equidistant by precision testing device
Vertical measurement section, the distance that strike-off in the measurement section bottom plate highs and lows and supporting plate are measured respectively is respectively
Y1 and Y2, the distance of the subpoint of the highs and lows of bottom plate of strike-ofing on the supporting plate is X, then is strike-off in the measurement section
The angle of bottom plate is：α= tan-1[(Y1-Y2)/X as small 0.1 o of the angular error for bottom plate of being strike-off in each measurement section, then sentences
Surely strike-off bottom plate precision it is qualified.
Brief description of the drawings
Fig. 1 is the structural representation of the device of the test 3D printing sanding gear performance parameter of the present invention.
Fig. 2 installs the detects schematic diagram of sanding gear for the device of the 3D printing sanding gear performance parameter of invention.
Fig. 3 is bottom plate precision measure schematic diagram of being strike-off in 3D printing sanding gear performance parameter test method of the invention.
Fig. 4 is measurement sand heap cross section profile schematic diagram in the 3D printing sanding gear performance parameter test method of the present invention.
Wherein, 1 mounting bracket；2 crossbeams two；3 crossbeams one；4 electrical control cabinets；5 precision testing devices；6 contour detectings are set
It is standby；7 transmission modules；8 connect sand launder；9 supporting plates；10 sub-sand funnels；11 mixing sand tanks；12 detection operating desks；13 sanding gears；13A is scraped
Sand bottom plate.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, it is the device for testing 3D printing sanding gear performance parameter of the present invention, mounting bracket 1 installs branch
Left and right is parallel on frame 1 is provided with two groups of transmission modules 7, and transmission module 7 is used to install sanding gear 13 to be tested, mounting bracket 1 one
Side is provided with the sand supplying device to sanding gear sand supplying, and the sand supplying device includes support frame, sub-sand funnel 10, mixing sand tank 11 and control of shaking out
Donsole；The side that mounting bracket 1 installs transmission module is provided with electrical control cabinet 4, and opposite side is provided with detection operating desk 12；It is driven mould
Mounting bracket 1 between group 7 be provided with the crossbeam 1 and crossbeam 22 that are parallel to each other, crossbeam 1 be horizontally installed with it is turnable
Supporting plate 9, the length direction of supporting plate 9 is consistent with the length direction that the lower sand of sanding gear 13 is stitched, and the both sides of crossbeam 22 are distinguished
Contour detecting equipment 6 and precision testing device 5 are installed, contour detecting equipment 6 is used to detect that sanding gear goes out the sand heap of sand wash
Cross section profile, precision testing device 5 is strike-off bottom plate precision for detection.In the present embodiment, for ease of accurate simulation sanding motion,
The mounting distance and installation accuracy of two groups of transmission modules 7 are identical with the transmission module for being used to install sanding gear on 3D printer, use
In sanding movement of the simulation sanding gear in 3D printing equipment；Sand is fallen for ease of the upset of collecting supporting plate 9, under supporting plate 9
Side is provided with connecing sand launder 8, for receiving the upset of supporting plate 9 sand；Contour detecting equipment in the present embodiment is profile measurer；
Precision testing device is laser displacement sensor.
Two groups of transmission modules 7, supporting plate 9 and the sand supplying device set in the test device of the present invention, mounting bracket, for simulating
Installation operating mode of the sanding gear 13 on 3D printer, transmission module 7 therein is used to simulate the transmission module on 3D printer, uses
With install sanding gear 13 and realize simulation sanding when along transmission module 7 move back and forth；Supporting plate 9 is used to simulate print platform, carries
Platform for simulating sanding, overturns the supporting plate 9 set, it is possible to achieve continues during sanding, spreads the sand upset of certain thickness
Once carry out sand, then proceed to sanding, the do action of upset, be easy to sanding gear continuous service to join afterwards to performance for a period of time
The test of number stability；Contour detecting equipment 6 is used for the measure to 13 sanding heap cross section profiles of sanding gear, to determine sanding gear
The uniformity shaked out, precision testing device 5 is used for the smart bottom for detecting bottom plate of strike-ofing, for determining its strike-off flatness and angle.
Therefore, the test device of the present invention is passed through, it is possible to achieve the special test of critical performance parameters before sanding gear is installed and used, it is to avoid
The repeated removal and installation procedure of test and debugging sanding gear, improve the efficiency of printing device installation and debugging repeatedly.
Embodiment 2
The present embodiment provides a kind of method that test device of use above-described embodiment carries out 3D printing sanding gear performance test, bag
Include following process：
S1 carries out sanding gear installation first：Sanding gear 13 is steadily arranged on transmission module 7, allows sanding gear 13 in transmission
Moved back and forth on module 7, in order to realize simulation sanding motion；
S2：Strike-off precision measure:Sanding gear is not added with sand in this process measurement, the bottom plate relative support plate primarily to measurement is strike-off
Angle of inclination, that is, simulate angle of inclination of the bottom plate with respect to sanding platform of strike-ofing during actual 3D printing, for detecting
Strike-off bottom plate flatness and strike-off precision；During test, first by the support of bottom plate 13A and horizontal direction of being strike-off on the downside of sanding gear
Plate 9 tilts a certain theory and strike-off angle, then starts the branch that precision testing device 5 detects bottom plate 13A relative levels setting of strike-ofing
The angle of inclination of fagging 9, specific method of testing is：Some and floor length of strike-ofing is chosen along floor length direction of strike-ofing is equidistant
The measurement section of direction vertically, each measurement section as shown in figure 3, measure the bottom plate peak A that strike-off in the measurement section respectively
Distance with minimum point B and supporting plate 9 is respectively Y1 and Y2, the throwing of the peak A and minimum point B of bottom plate of strike-ofing on the supporting plate
Shadow point A ' B ' distance is X, then the angle for bottom plate of being strike-off in the measurement section is：α= tan-1[(Y1-Y2)/X, when each measurement is cut
Strike-off in face bottom plate 13A angular error small 0.1 o when, then the precision for the bottom plate that judges to strike-off is qualified；
S3：Sanding uniformity measurement：By sanding gear 13 set to add sand position, and by sand supplying device to sanding gear 13 persistently plus survey
Sand on probation, then sanding gear 13 is adjusted to the lower sand position above supporting plate 9, disposable original place adds to the surface sanding 5-10 of supporting plate 9
Second, sanding gear 13 is then back to emptying position；During test, with supporting plate 9 for the sanding plane of reference, pass through contour detecting equipment 6
Measure sand heap in supporting plate 9 upper some cross section profiles along its length, as shown in figure 4, and calculate the area in each Sha Dui sections,
The difference in areas in each measurement section is less than 2mm2, then judge that sanding uniformity is qualified；
S4：With supporting plate 9 for sanding region, sanding gear 13 is set to continue sanding 12-15 in supporting plate 9 along transmission module 7 small
When, supporting plate 9 is overturn once, and institute's sanding material is poured into and connect in sand launder during sanding per reciprocal sanding once, then proceed into
Row sanding falls the perseveration of sand, until setting sanding to the time of above-mentioned setting；
S5：Terminate S4 processes lasting sanding process after, repeat S2 and S3 processes strike-off precision measure and sanding it is uniform
Property measurement, to test the stability of sanding equipment.
The sanding gear performance parameter test method of the present invention, S2 and S3 processes by testing the precision of strike-ofing of sanding gear for the first time
With sanding uniformity, to detect whether sanding gear performance parameter is qualified, debug in order to the judgement to sanding gear performance or again；S4
With S5 processes, after first test passes, sanding gear is simulated sanding and carry out retest again for a period of time, to judge sanding gear
The stability of performance.
For ease of the accurate precision of strike-ofing for measuring bottom plate of strike-ofing, S2 processes, in precision measure of strike-ofing：Strike-off the theory of bottom plate
After angle is set, some and floor length direction of strike-ofing is chosen along floor length direction of strike-ofing is equidistant by precision testing device
Vertical measurement section, the distance that strike-off in the measurement section bottom plate highs and lows and supporting plate are measured respectively is respectively
Y1 and Y2, the distance of the subpoint of the highs and lows of bottom plate of strike-ofing on the supporting plate is X, then is strike-off in the measurement section
The angle of bottom plate is：α= tan-1[(Y1-Y2)/X as small 0.1 o of the angular error for bottom plate of being strike-off in each measurement section, then sentences
Surely strike-off bottom plate precision it is qualified.
Therefore, the test device and method of testing of ground the above embodiment of the present invention are led to, by setting uniformity detection to set
Standby and precision testing device, tests strike-off precision and the sanding uniformity of sanding equipment, solves sanding gear parameter measurement in advance
Shi Chongfu is dismounted.Pass through the detection to sanding equipment precision and sanding uniformity to detect, it is ensured that sanding equipment can plug and play,
Without manpower test, the set-up time is effectively saved, printer apparatus installation and debugging efficiency is improved.
Claims (8)
1. a kind of device for testing 3D printing sanding gear performance parameter, including mounting bracket, it is characterised in that the mounting bracket
Upper left and right is parallel to be provided with two groups of transmission modules, and the transmission module is used to install sanding gear to be tested, the mounting bracket one
The mounting bracket that side is provided between the sand supplying device to sanding gear sand supplying, the transmission module is provided with the crossbeam one being parallel to each other
With crossbeam two, turnover supporting plate is horizontally installed with the crossbeam one, the length direction of the supporting plate and sanding gear
The length direction of lower sand seam is consistent, and the both sides of the crossbeam two are separately installed with contour detecting equipment and precision testing device, institute
Stating contour detecting equipment is used to detect that sanding gear goes out the sand heap cross section profile of sand wash, and the precision testing device is scraped for detection
Sand bottom plate precision.
2. the device of test 3D printing sanding gear performance parameter according to claim 1, it is characterised in that two groups of transmission moulds
The mounting distance and installation accuracy of group are identical with the transmission module for being used to install sanding gear on 3D printer, for simulating sanding gear
Sanding movement in 3D printing equipment.
3. the device of test 3D printing sanding gear performance parameter according to claim 1, it is characterised in that the supporting plate
Lower section provided with connecing sand launder, for receiving the upset of supporting plate sand.
4. the device of test 3D printing sanding gear performance parameter according to claim 1, it is characterised in that the profile inspection
Measurement equipment is profile measurer；The precision testing device is laser displacement sensor.
5. the device of test 3D printing sanding gear performance parameter according to claim 1, it is characterised in that the sand supplying dress
Put including support frame, sub-sand funnel, mixing sand tank and control mouth of shaking out.
6. the device of test 3D printing sanding gear performance parameter according to claim 1, it is characterised in that the installation branch
The side that frame installs transmission module is provided with electrical control cabinet, and opposite side is provided with detection operating desk.
7. the method that one kind carries out 3D printing sanding gear performance test using the device described in any one of claim 1-5, it is special
Levy and be, including following process：
S1：Sanding gear is installed：Sanding gear is steadily arranged on transmission module, sanding gear is back and forth moved on transmission module
It is dynamic；
S2：Strike-off precision measure:Set the angle for bottom plate of being strike-off on the downside of sanding gear to be strike-off angle for theory, then start precision inspection
Measurement equipment detection strike-off bottom plate relative level setting supporting plate angle of inclination, when each measuring point observed dip angle with
The error of theoretical tilt angle be less than 0.1o when, then judge strike-off bottom plate precision of strike-ofing it is qualified；
S3：Sanding uniformity measurement：By sanding gear set to add sand position, and by sand supplying device to sanding gear persistently add test use
Sand, then sanding gear is adjusted to the lower sand position above supporting plate, to plate surface sanding is supported 5-10 seconds, then disposable original place adds
Sanding gear is back to emptying position；Using supporting plate as the sanding plane of reference, pass through the sand heap in contour detecting device measuring supporting plate
Upper some cross section profiles, and calculate the area in each Sha Dui sections along its length, the difference in areas in each measurement section is less than 2mm2, then
Judge that sanding uniformity is qualified；
S4：Using supporting plate as sanding region, sanding gear continues sanding 12-15 hours, sanding mistake on the supporting plate along transmission module
In journey per reciprocal sanding once, supporting plate is overturn once, and institute's sanding material is poured into and connect in sand launder, sanding sand is then proceeded by
Perseveration；
S5：Terminate S4 processes lasting sanding process after, repeat S2 and S3 processes strike-off precision measure and sanding it is uniform
Property measurement, with test sanding setting stability.
8. the method for 3D printing sanding gear performance test according to claim 6, it is characterised in that S2 processes are strike-off precision
In measurement：Strike-off after the point of theory setting of bottom plate, chosen by precision testing device along floor length direction of strike-ofing is equidistant
Some measurement sections vertical with floor length direction of strike-ofing, measure the bottom plate peak and minimum of being strike-off in the measurement section respectively
Point and the distance of supporting plate are respectively Y1 and Y2, the distance of the subpoint of the highs and lows of bottom plate of strike-ofing on the supporting plate
For X, then the angle for bottom plate of being strike-off in the measurement section is：α= tan-1[(Y1-Y2)/X, when bottom plate of being strike-off in each measurement section
During small 0.1 o of angular error, then the precision for the bottom plate that judges to strike-off is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526014.0A CN107238492B (en) | 2017-06-30 | 2017-06-30 | A method of the device of test 3D printing sanding gear performance parameter and its test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526014.0A CN107238492B (en) | 2017-06-30 | 2017-06-30 | A method of the device of test 3D printing sanding gear performance parameter and its test |
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| CN107238492A true CN107238492A (en) | 2017-10-10 |
| CN107238492B CN107238492B (en) | 2019-03-29 |
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ID=59990238
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| CN201710526014.0A Active CN107238492B (en) | 2017-06-30 | 2017-06-30 | A method of the device of test 3D printing sanding gear performance parameter and its test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507615A (en) * | 2018-04-04 | 2018-09-07 | 宁夏共享模具有限公司 | A kind of method of the device and its performance detection of detection 3DP sanding equipment performances under line |
| CN109967697A (en) * | 2019-04-25 | 2019-07-05 | 爱司凯科技股份有限公司 | Sand mold 3D printer |
| CN113513966A (en) * | 2021-06-30 | 2021-10-19 | 惠州共享智能铸造产业轻合金创新中心有限公司 | Scraping plate detection device |
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| JPS55124575A (en) * | 1979-03-16 | 1980-09-25 | Daiken Trade & Ind Co Ltd | Manufacture of granular coated plate |
| CN104028709A (en) * | 2014-05-28 | 2014-09-10 | 宁夏共享模具有限公司 | Sand spreading and compaction device for 3D printing |
| CN105710294A (en) * | 2016-04-15 | 2016-06-29 | 宁夏共享模具有限公司 | Multi-working box sand mould 3D printing equipment |
| CN106040970A (en) * | 2016-07-19 | 2016-10-26 | 宁夏共享模具有限公司 | Sand mold 3D printing sand mixing apparatus |
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| DE2028943B2 (en) * | 1970-06-12 | 1976-06-10 | James, Albert Luther, Hickory Corners, Mich. (V.St-A.) | Continuous dry application process for producing laminate foil - with substrate and thin thermo-plastic film compressed passed over heated drum and compressed again |
| JPS55124575A (en) * | 1979-03-16 | 1980-09-25 | Daiken Trade & Ind Co Ltd | Manufacture of granular coated plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108507615A (en) * | 2018-04-04 | 2018-09-07 | 宁夏共享模具有限公司 | A kind of method of the device and its performance detection of detection 3DP sanding equipment performances under line |
| CN109967697A (en) * | 2019-04-25 | 2019-07-05 | 爱司凯科技股份有限公司 | Sand mold 3D printer |
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| CN113513966A (en) * | 2021-06-30 | 2021-10-19 | 惠州共享智能铸造产业轻合金创新中心有限公司 | Scraping plate detection device |
| CN113513966B (en) * | 2021-06-30 | 2023-09-29 | 惠州共享智能铸造产业轻合金创新中心有限公司 | Sand scraping plate detection device |
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| Publication number | Publication date |
|---|---|
| CN107238492B (en) | 2019-03-29 |
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