CN101706655A - Rapid prototyping system - Google Patents
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- CN101706655A CN101706655A CN200910249846A CN200910249846A CN101706655A CN 101706655 A CN101706655 A CN 101706655A CN 200910249846 A CN200910249846 A CN 200910249846A CN 200910249846 A CN200910249846 A CN 200910249846A CN 101706655 A CN101706655 A CN 101706655A
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Abstract
To solve the defects that the closed prototyping chamber of the prior rapid prototyping system causes that the state in the prototyping chamber is unavailable and the generated problems can not be treated in real time in the molding process, the invention provides a prior rapid prototyping system comprising a prototyping device and a control device mutually connected, the prototyping device comprises a prototyping chamber, a workbench in the prototyping chamber and an executing part used for molding components, the control device is used for processing graphic files of the components to be molded, setting processing parameters, and controlling the prototyping device to mold the components; the invention is characterized in that the rapid prototyping system also comprises a monitoring device, the monitoring device comprises an observing unit which is arranged on the prototyping device and used for observing the state in the prototyping chamber, and a displaying unit which is arranged outside the prototyping chamber and used for displaying the image observed by the observing unit, the monitoring device added in the rapid prototyping system can monitor the state in the prototyping chamber molding process so as to timely treat various problems generated in real time.
Description
Technical field
The invention belongs to the manufacturing technology field, particularly a kind ofly be used to not have the molded rapid forming system of making.
Background technology
Rapid Prototyping technique is the manufacturing technology of an integrated advanced person who grows up on the basis of modern CAD/CAM technology, laser technology, computer numerical control technology, elaborate servo Driving technique and new material technology.
Rapid forming system can directly be accepted product design (CAD) data under the situation that need not any mould, cutter and frock jig, produce exemplar, mould or the model of new product fast.Its forming process is mainly: three-dimensional computer Aided Design (CAD 3D) model of at first setting up target part, then this solid model is simulated slicing delamination in computing machine, along same direction (such as the Z axle) the CAD solid model being dispersed is blocks of very thin parallel planes; Give work execution unit in the rapid forming system data information transfer of these thin plate, used moulding starting material are reappeared original thin plate regularly from level to level, and pile up the 3D solid that forms reality layer by layer, at last through being treated as actual part.Therefore, applying of rapid forming system can be shortened the new product development cycle greatly, guarantee the new product release time, reduces cost of development, saved a large amount of die sinking expenses, improves development quality.
According to the complexity of part, the moulding time of one-piece part in forming room is generally less than 7 days.In the process of moulding, duty in the forming room is invisible, unless opening forming room's hatch door observes its inside, can bring the loss of forming temperature, the part in the moulding is brought influence and open forming room's hatch door, also might cause the Personal Risk, therefore be under forming room's closed state under the duty, operating personnel can't know accurately that the duty forming room in more can't in time handle the variety of issue of real-time generation, the quality that has influenced product with make finished product speed.
Summary of the invention
Be closed state and cause and to know that forming room's internal state more can't in time handle the defective of the problem of real-time generation for solving in the prior art rapid forming system forming room in modeling process, the invention provides a kind of rapid forming system, this rapid forming system adds supervising device, can monitor so that in time handle the variety of issue that produces in real time forming room's internal state in modeling process.
Technical scheme:
Rapid forming system, comprise the former and the control device that are connected, described former includes forming room, the worktable of forming room inside and the execution unit that is used for parts modeling, described control device is used to handle the graphic file for the treatment of the moulding part, machined parameters is set, control described former and carry out parts modeling, it is characterized in that, described rapid forming system also includes supervising device, and described supervising device includes and is arranged on being used on the described former and observes the display unit of the image that the observing unit and being positioned at of forming room's internal state is used to outside the forming room to show that this observing unit observes.
Described observing unit comprises the one-level camera on surface that is used to carry the moulding part that is arranged on the described execution unit towards described worktable.
Described execution unit comprises and is used to extrude raw-material shower nozzle that described one-level camera is arranged on this shower nozzle.
Described observing unit also is included on the left side of described forming room and/or right side and/or rear side and/or top and/or front side and/or the described worktable secondary camera on surface that is used to carry the moulding part towards described worktable.
Described supervising device also comprises respectively the detecting unit that links to each other with described control device with described observing unit, the machined parameters that is used for being provided with according to control device is analyzed the image that observing unit observes, and whether be that normal condition is transferred to described control device with analysis result, described control device is controlled described former according to analysis result and is carried out parts modeling.
Described detecting unit comprises Static Detection unit and detection of dynamic unit, is respectively applied for the detection of still image and dynamic image.
Described Static Detection unit is used for moulding and begins preceding detection to forming room's internal state, and described detection of dynamic unit is used for moulding and begins the detection of back to forming room's internal state.
Described detection of dynamic unit comprises the model state detection sub-unit, the formed precision detection sub-unit, shower nozzle state detection sub-unit and scanning pattern detection sub-unit, described model state detection sub-unit detects the part status in the moulding according to the image that the secondary camera observes, the image that described formed precision detection sub-unit observes according to the one-level camera detects the formed precision of the part in the moulding, the image that described shower nozzle state detection sub-unit observes according to the secondary camera detects the discharging state of shower nozzle, and the image that described scanning pattern detection sub-unit observes according to the one-level camera detects the mobile route of shower nozzle.
Described detection of dynamic unit also comprises the record subelement, is used to write down the dynamic image that one-level camera and/or secondary camera observe.
Described detection of dynamic unit also comprises dynamic pickup point subelement, the initial point of this moulding of image calculation that observes according to the one-level camera when being used to recover moulding, and give described control device with the initial point information transmission, described control device recovers moulding according to the described former of initial point information Control from the part that initial point begins to carry out this.
Described supervising device also comprises the alarm unit that links to each other with described detecting unit, reports to the police when being used for analysis result that detecting unit obtains for abnomal condition.
Technique effect:
The invention provides a kind of rapid forming system that adds supervising device, this supervising device includes and is arranged on being used on the described former and observes the display unit of the image that the observing unit and being positioned at of forming room's internal state is used to outside the forming room to show that this observing unit observes.Supervising device is to carry out under the prerequisite of not opening forming room's hatch door to the monitoring of rapid forming system, has avoided the influence to personal safety, has avoided the influence of switch hatch door to the moulding part, has avoided the loss of moulding indoor temperature simultaneously.Operating personnel can monitor the internal state of rapid forming system in real time by the observation of display unit to observed image, and loss is corrected, avoided in unusual circumstance in time.
Observing unit can be for being arranged on the execution unit one-level camera on surface that is used to carry the moulding part towards worktable, this one-level camera and execution unit servo-actuated, the part in the moulding made a video recording.When execution unit comprises that when being used to extrude raw-material shower nozzle, this one-level camera is arranged on this shower nozzle, in the time of with the shower nozzle servo-actuated to the part in the moulding carry out closely, the high-resolution shooting.
Observing unit also is included on the left side of forming room and/or right side and/or rear side and/or top and/or front side and/or the described worktable secondary camera on surface that is used to carry the moulding part towards described worktable, observe from different perspectives, on the whole the part in worktable, execution unit and the moulding in the forming room state, guarantee the reliability of observed result.
Supervising device also comprises detecting unit, according to the various machined parameters that set in the control device image that observing unit observes is analyzed, and whether be that normal condition is transferred to control device with analysis result, control device carries out parts modeling according to analysis result control former, to reach the abnomal condition in the automatic processing modeling process.
Detecting unit comprises Static Detection unit that still image is detected and the detection of dynamic unit that dynamic image is detected. the Static Detection unit is used for moulding and begins preceding detection to worktable in the forming room and execution unit, such as whether cleaning on the worktable, the X of equipment, Y, whether the Z axle makes zero etc. and the detection of dynamic unit is used for moulding and begins the back to forming room's internal work platform, the detection of the part in execution unit and the moulding. further, the detection of dynamic unit comprises the model state detection sub-unit, the formed precision detection sub-unit, shower nozzle state detection sub-unit and scanning pattern detection sub-unit, whether described model state detection sub-unit normally detects the part status in the moulding according to the image that the secondary camera observes, and whether normal analysis result is transferred to control device; The image that described formed precision detection sub-unit observes according to the one-level camera detects the formed precision of the part in the moulding, and whether qualified analysis result is transferred to control device formed precision; The image that described shower nozzle state detection sub-unit observes according to the secondary camera is extruded raw-material state to shower nozzle and is detected, and whether normal analysis result is transferred to control device the shower nozzle discharging flow; The image that described scanning pattern detection sub-unit observes according to the one-level camera detects the mobile route of shower nozzle, and whether normal analysis result is transferred to control device scanning pattern.
The detection of dynamic unit also comprises the record subelement, is used to write down the dynamic image that one-level camera and/or secondary camera observe, to the record of modeling process, and can be as the technology backup, for search analysis in the future.
Described supervising device also comprises the alarm unit that links to each other with described detecting unit, reports to the police when being used for analysis result that detecting unit obtains for abnomal condition, so that remind operating personnel.
Description of drawings
Fig. 1 is the part-structure synoptic diagram of rapid forming system of the present invention;
Fig. 2 is the structured flowchart of detecting unit in the supervising device of rapid forming system of the present invention.
The Reference numeral example is as follows:
1-forming room, 11-hatch door, 2-worktable, the 3-shower nozzle, 41-first camera, 42-second camera, 43-the 3rd camera, 44-the 4th camera, 45-the 5th camera, 46-the 6th camera, 5-detecting unit, 51-Static Detection unit, 52-detection of dynamic unit, 521-model state detection sub-unit, 522-formed precision detection sub-unit, 523-shower nozzle state detection sub-unit, 524-scanning pattern detection sub-unit, 525-writes down subelement.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to figure 1, part-structure synoptic diagram for rapid forming system of the present invention, comprise forming room 1, the front side of forming room is a hatch door 11, be provided with worktable 2 in the forming room, also be provided with execution unit in the forming room, this execution unit comprises that being used to extrude raw-material shower nozzle 3. is distributed with 6 cameras in forming room, be respectively: first camera 41 (one-level camera) that on shower nozzle 3, is provided with towards the upper surface of worktable 2, left side in forming room, the right side, rear side and top second to the 5th camera 42-45 (secondary camera) that treats that on worktable the moulding part position is provided with, in worktable 2 front sides towards the 6th camera 46 (secondary camera) for the treatment of that the moulding part position is provided with, certainly, can also set up camera in other positions according to actual conditions, such as on hatch door 11, camera being set, when hatch door is closed, the moulding part of this camera on worktable. wherein, first camera 41 that is arranged on the shower nozzle 3 together moves with shower nozzle 3, closely the moulding face of part is photographed, obtain the dynamic image of moulding face in real time. and second to the 6th camera 42-46 is installed in the five positions of forming room respectively, observe moulding state in the forming room from five different angles, eliminated the dead angle, visual field, having guaranteed the reliability of observed result. first to the 6th above-mentioned camera 41-46 all is connected with the display unit (not shown), by display unit forming room's internal state is shown in real time, operating personnel can observe forming room's internal state under the prerequisite of not disturbing parts modeling, unusual circumstance is in time also corrected, and avoids loss.
In order to guarantee the quality of image, the frame number of first to the 6th camera 41-46 was greater than for 30 frame/seconds, and choosing of camera focal length will be fit to physical size in the forming room, was certainly regulated by installing lens additional.Consider the influence of temperature, second to the 5th camera 42-45 can be installed in forming room 1 outside, correspondingly light transmissive material is installed in the sidewall of forming room 1, the corresponding position of roof to camera.First camera 41 and the 6th camera 46 be owing to will be arranged on the inside of forming room 1, under the preferred situation, to its thermal insulation protection in addition, such as installing collet additional.For further guaranteeing the quality of images acquired, in the forming room totally-enclosed illuminator can also be installed, sufficient light makes the color of the image that camera observes true to nature, details is clear.
The supervising device of rapid forming system of the present invention is except comprising above-mentioned observing unit: first to the 6th camera 41-46, the display unit, also include the detecting unit 5 that links to each other with control device with observing unit, detecting unit 5 is analyzed the image that observing unit observes according to the various machined parameters of predetermined set in the control device, and whether be that normal condition is transferred to control device with analysis result, control device continues the control former according to analysis result.Such as: after analyzing, 5 pairs of images that observe of detecting unit find that state is improper (promptly departing from predetermined machined parameters) in a certain respect, then give control device with the improper information transmission of a certain state, control executive component stopped moulding, is in waiting status after control device received this information; And for example: find that state is an abnomal condition in a certain respect after 5 pairs of images that observe of detecting unit are analyzed, departed from predetermined machined parameters, and calculate deviation value, then the additional deviation value of the improper information of a certain state is transferred to control device in the lump, control device receives after this information control executive component and adjusts according to deviation value and continue moulding.
Under the preferred situation, as shown in Figure 2, structured flowchart for detecting unit 5, detecting unit 5 can comprise Static Detection unit 51 and detection of dynamic unit 52, being respectively applied for analysis to still image and dynamic image. Static Detection unit 51 is used for moulding and begins preceding detection to forming room's internal work platform and execution unit, find after the still image analysis that observes such as 5 pairs of Static Detection unit to leave foreign material on the worktable, then be that improper information transmission is given control device with this worktable state, the control actuating unit was in waiting status after control device received the improper information of worktable state, do not enter the moulding operation, wait for the artificial adjustment that participates in; And for example after the still image analysis that observes of 51 pairs of Static Detection unit the original running parameter after the discovering device initialization with set machined parameters and have deviation, and calculate deviation value, the additional deviation value of information that then with equipment is abnomal condition is transferred to control device in the lump, control device receives that Control work platform after this information and/or execution unit adjust the position of worktable and/or execution unit according to deviation value. detection of dynamic unit 52 is used for moulding and begins the back to forming room's internal work platform, the detection of part in execution unit and the moulding. the detection of dynamic unit can comprise model state detection sub-unit 521, formed precision detection sub-unit 522, shower nozzle state detection sub-unit 523, scanning pattern detection sub-unit 524 and record subelement 525, wherein model state detection sub-unit 521 detects part status in the modeling process according to the image that secondary camera (second camera, 42 to the 6th cameras 46) observes, when finding that part status is improper after to the dynamic image analysis that observes, then give control device with the improper information transmission of this model state, the control actuating unit stopped moulding after control device received this information, be in waiting status, wait for after artificial participation is regulated and continue moulding, if model state detection sub-unit 521 calculates the deviation value that can correct this abnomal condition simultaneously, then this deviation value is transferred to control device in the lump, control device just can be adjusted execution unit automatically and continue moulding according to this deviation value, and perhaps operating personnel carry out manual shift according to this deviation value; The image that formed precision detection sub-unit 522 observes according to one-level camera (first camera 41) detects the formed precision of the part in the moulding, when finding that formed precision is defective after to the dynamic image analysis that observes, then give control device with the underproof information transmission of this formed precision, the control actuating unit stopped processing after control device received this information, be in waiting status, wait for after artificial participation is regulated and continue moulding, if this formed precision detection sub-unit 522 calculates the deviation value that can correct this formed precision deviation simultaneously, then this deviation value is transferred to control device in the lump, control device just can be adjusted execution unit automatically and continue moulding according to this deviation value, and perhaps operating personnel carry out manual shift according to this deviation value; The image that shower nozzle state detection sub-unit 523 observes according to secondary camera (second camera, 42 to the 6th cameras 46) is extruded raw-material state to shower nozzle and is detected, find that shower nozzle extrudes raw-material flow when undesirable after to the dynamic image analysis that observes, then give control device with the improper information transmission of this shower nozzle state, the control shower nozzle stopped to extrude starting material after control device received this information, be in waiting status, wait for that manually participating in regulating shower nozzle extrudes the follow-up continuous moulding of flow, this extrudes the deviation value of flow of raw materials if this shower nozzle state detection sub-unit 523 calculates rectification simultaneously, then this deviation value is transferred to control device in the lump, control device just can be adjusted extruding flow and continuing moulding of shower nozzle automatically according to this deviation value, and perhaps operating personnel carry out manual shift according to this deviation value; Scanning pattern detection sub-unit 524 detects the path of shower nozzle according to the image that one-level camera (first camera 41) observes, when after the dynamic image (such as the moulding vestige) that observes is analyzed, finding that the shower nozzle mobile route departs from predefined paths, then the information transmission that is abnomal condition with this shower nozzle path is given control device, the control shower nozzle quit work after control device received this information, be in waiting status, wait for the artificial shower nozzle path that participates in regulating, if this scanning pattern detection sub-unit calculates the deviation value of correcting this shower nozzle path, then this deviation value is transferred to control device in the lump, control device just can be adjusted the shower nozzle path automatically according to this deviation value and continue moulding, and perhaps operating personnel carry out manual shift according to this deviation value; Record subelement 525 is used to write down the dynamic image that one-level camera and/or secondary camera observe, to the record of modeling process, and can be as the technology backup, for search analysis in the future.
5 subelements that above-mentioned detection of dynamic unit 52 comprises are a kind of preferred mode, those skilled in the art are to be understood that, difference according to operating mode, can select the wherein combination of some subelement, certainly can also increase the subelement that utilizes graphical information with other functions, such as dynamic pickup point subelement, when recovering moulding, (continue to finish last time uncompleted moulding), according to the image that one-level camera (first camera 41) observes the moulding face of part is analyzed, calculate this moulding initial point, and begin moulding from initial point for the information transmission of this initial point after the information that control device, control device receive this initial point control shower nozzle 3.
In addition, also comprise the alarm unit that links to each other with detecting unit 5, when the analysis result that obtains when detecting unit was abnomal condition, alarm unit sent warning, and this moment, operating personnel can in time correct abnormality; If detecting unit calculates deviation value, control module is controlled when adjusting automatically, the warning that alarm unit sends also can remind operating personnel's formation system to be in the self-adjusting state, operating personnel can detect the self-adjusting process by display unit, when the self-adjusting of system occurs when unusual, operating personnel can in time implement artificial adjustment, to avoid loss.
The course of work of the rapid forming system in the present embodiment is exemplified below: starting up's rapid forming system, set up being connected of control device and former, and being connected of supervising device and former, the Static Detection unit 51 of the detecting unit 5 in the supervising device begins to be made a video recording in forming room inside, and the still image that observes analyzed, the process of analyzing comprises manual analysis and analyzes automatically, manual analysis: operating personnel judge by the display unit that is positioned at forming room 1 outside whether the state of forming room is normal, automatically analyze: whether Static Detection unit 51 is broken into the indoor state of type according to the image automatic judging that observes normal, when the manual analysis result is abnomal condition, operating personnel manually adjust, when automatic analysis result when being improper, alarm unit sends alarm, simultaneously analysis result (or comprising deviation value) is transferred to control device, control device receives after the information of abnomal condition the control actuating unit and waits for manual shift or automatically adjust according to deviation value. after the analysis result of Static Detection unit 51 is normal condition, rapid forming system carries out initialization, make a video recording in forming room inside after the 51 pairs of initialization in Static Detection unit, and the image that observes analyzed, find that after analyzing there is deviation in the original running parameter of equipment behind the system initialization with the setting machined parameters, and calculate deviation value, the additional deviation value of information that then with equipment is abnomal condition is transferred to control device in the lump, control device sends alarm after receiving this information, Control work platform and/or execution unit are adjusted the position of worktable and/or execution unit according to deviation value simultaneously. after the analysis result of the system after the 51 pairs of initialization in Static Detection unit is normal condition, control device control former begins new modeling or recovers moulding. during the beginning new modeling, each subelement of detection of dynamic unit 52: model state detection sub-unit 521, formed precision detection sub-unit 522, shower nozzle state detection sub-unit 523, the dynamic image that scanning pattern detection sub-unit 524 and record subelement 525 observe according to one-level and/or secondary camera detects up to moulding modeling process according to aforesaid mode and finishes. when beginning to recover moulding, dynamically the pickup point subelement is analyzed the moulding face of part according to the image that one-level camera (first camera 41) observes, calculate this moulding initial point, and give control device the information transmission of this initial point, control device receives after the information of this initial point control shower nozzle 3 and begins moulding from initial point, after beginning to recover moulding, each subelement of detection of dynamic unit 52: model state detection sub-unit 521, formed precision detection sub-unit 522, shower nozzle state detection sub-unit 523, scanning pattern detection sub-unit 524 and record subelement 525 detect up to moulding modeling process according to aforesaid mode according to the dynamic image that observes of one-level and/or secondary camera and finish.
Claims (11)
1. rapid forming system, comprise the former and the control device that are connected, described former includes forming room, the worktable of forming room inside and the execution unit that is used for parts modeling, described control device is used to handle the graphic file for the treatment of the moulding part, machined parameters is set, control described former and carry out parts modeling, it is characterized in that, described rapid forming system also includes supervising device, and described supervising device includes and is arranged on being used on the described former and observes the display unit of the image that the observing unit and being positioned at of forming room's internal state is used to outside the forming room to show that this observing unit observes.
2. rapid forming system according to claim 1 is characterized in that, described observing unit comprises the one-level camera on surface that is used to carry the moulding part that is arranged on the described execution unit towards described worktable.
3. rapid forming system according to claim 2 is characterized in that, described execution unit comprises and be used to extrude raw-material shower nozzle that described one-level camera is arranged on this shower nozzle.
4. rapid forming system according to claim 3, it is characterized in that described observing unit also is included on the left side of described forming room and/or right side and/or rear side and/or top and/or front side and/or the described worktable secondary camera on surface that is used to carry the moulding part towards described worktable.
5. rapid forming system according to claim 4, it is characterized in that, described supervising device also comprises respectively the detecting unit that links to each other with described control device with described observing unit, the machined parameters that is used for being provided with according to control device is analyzed the image that observing unit observes, and whether be that normal condition is transferred to described control device with analysis result, described control device is controlled described former according to analysis result and is carried out parts modeling.
6. rapid forming system according to claim 5 is characterized in that, described detecting unit comprises Static Detection unit and detection of dynamic unit, is respectively applied for the detection of still image and dynamic image.
7. rapid forming system according to claim 6 is characterized in that, described Static Detection unit is used for moulding and begins preceding detection to forming room's internal state, and described detection of dynamic unit is used for moulding and begins the detection of back to forming room's internal state.
8. rapid forming system according to claim 7, it is characterized in that, described detection of dynamic unit comprises the model state detection sub-unit, the formed precision detection sub-unit, shower nozzle state detection sub-unit and scanning pattern detection sub-unit, described model state detection sub-unit detects the part status in the moulding according to the image that the secondary camera observes, the image that described formed precision detection sub-unit observes according to the one-level camera detects the formed precision of the part in the moulding, the image that described shower nozzle state detection sub-unit observes according to the secondary camera detects the discharging state of shower nozzle, and the image that described scanning pattern detection sub-unit observes according to the one-level camera detects the mobile route of shower nozzle.
9. rapid forming system according to claim 8 is characterized in that, described detection of dynamic unit also comprises the record subelement, is used to write down the dynamic image that one-level camera and/or secondary camera observe.
10. rapid forming system according to claim 8, it is characterized in that, described detection of dynamic unit also comprises dynamic pickup point subelement, the initial point of this moulding of image calculation that observes according to the one-level camera when being used to recover moulding, and give described control device with the initial point information transmission, described control device recovers moulding according to the described former of initial point information Control from the part that initial point begins to carry out this.
11., it is characterized in that described supervising device also comprises the alarm unit that links to each other with described detecting unit according to the described rapid forming system of one of claim 5-10, report to the police when being used for analysis result that detecting unit obtains for abnomal condition.
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| CN2009102498468A CN101706655B (en) | 2009-11-27 | 2009-11-27 | Rapid prototyping system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213280A (en) * | 2013-03-29 | 2013-07-24 | 杭州电子科技大学 | Intelligent rapid formation flow control method based on line width measurement |
| CN103586410A (en) * | 2012-12-31 | 2014-02-19 | 机械科学研究总院先进制造技术研究中心 | Modeling sand injection curing material-increasing manufacturing method |
| CN103600039A (en) * | 2012-12-31 | 2014-02-26 | 机械科学研究总院先进制造技术研究中心 | Casting sand spraying and curing addictive manufacturing equipment |
| CN106273462A (en) * | 2015-06-09 | 2017-01-04 | 成都金采科技有限公司 | One can monitor 3D printer |
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2009
- 2009-11-27 CN CN2009102498468A patent/CN101706655B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586410A (en) * | 2012-12-31 | 2014-02-19 | 机械科学研究总院先进制造技术研究中心 | Modeling sand injection curing material-increasing manufacturing method |
| CN103600039A (en) * | 2012-12-31 | 2014-02-26 | 机械科学研究总院先进制造技术研究中心 | Casting sand spraying and curing addictive manufacturing equipment |
| WO2014101326A1 (en) * | 2012-12-31 | 2014-07-03 | 机械科学研究总院先进制造技术研究中心 | Molding sand spraying and curing additive manufacturing method |
| WO2014101325A1 (en) * | 2012-12-31 | 2014-07-03 | 机械科学研究总院先进制造技术研究中心 | Molding sand spraying and curing additive manufacturing device |
| CN103213280A (en) * | 2013-03-29 | 2013-07-24 | 杭州电子科技大学 | Intelligent rapid formation flow control method based on line width measurement |
| CN103213280B (en) * | 2013-03-29 | 2015-04-22 | 杭州电子科技大学 | Intelligent rapid formation flow control method based on line width measurement |
| CN106273462A (en) * | 2015-06-09 | 2017-01-04 | 成都金采科技有限公司 | One can monitor 3D printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101706655B (en) | 2011-06-15 |
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