WO2017080370A1 - Procédé de réglage d'une plateforme d'impression tridimensionnelle et imprimante tridimensionnelle - Google Patents

Procédé de réglage d'une plateforme d'impression tridimensionnelle et imprimante tridimensionnelle Download PDF

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Publication number
WO2017080370A1
WO2017080370A1 PCT/CN2016/103702 CN2016103702W WO2017080370A1 WO 2017080370 A1 WO2017080370 A1 WO 2017080370A1 CN 2016103702 W CN2016103702 W CN 2016103702W WO 2017080370 A1 WO2017080370 A1 WO 2017080370A1
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WO
WIPO (PCT)
Prior art keywords
printing platform
dimensional printing
pressure value
pressure sensor
dimensional
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Application number
PCT/CN2016/103702
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English (en)
Chinese (zh)
Inventor
李世强
李贵宝
袁道明
Original Assignee
珠海天威飞马打印耗材有限公司
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Publication of WO2017080370A1 publication Critical patent/WO2017080370A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor

Definitions

  • the present invention relates to the field of three-dimensional printing, and in particular to a three-dimensional printer and a three-dimensional printing platform adjustment method of the three-dimensional printer.
  • the present application is based on a Chinese patent application filed on Nov. 09, 2015, the entire disclosure of which is hereby incorporated by reference.
  • a 3D printer also known as a 3D printer, is a machine that uses rapid prototyping technology to digital models.
  • Document-based using molding materials, constructed by layer-by-layer printing Three-dimensional entity. Before printing, it needs to be modeled by computer modeling software, and then the partitioned 3D model is 'partitioned' into a layer-by-layer section, ie, slice, to guide the 3D printer to print layer by layer.
  • 3D printers have been widely used in the product manufacturing industry.
  • the working principle of 3D printers is basically the same as that of traditional printers. It consists of control components, mechanical components, print heads, consumables (ie molding materials) and media.
  • the printing principle is basically similar.
  • the print head is formed by extruding the wire onto the three-dimensional printing platform, and then forming a three-dimensional entity.
  • the printing platform is not parallel to the nozzle of the print head, that is, when the printing platform is tilted, the printed model is prone to warping or extruding the wire.
  • the connection is not a problem, and the model has a high scrap rate.
  • the user needs to adjust the flatness of the printing platform before printing, but the general adjustment is only to use the card between the nozzle and the printing platform, and then directly use the visual contrast to achieve, so there is a judgment Inaccurate and easy to exist, the print head nozzle hits the printing platform, causing the printing platform to scratch, etc., which seriously affects the user experience.
  • a first object of the present invention is to provide a three-dimensional printing platform adjustment method for accurately adjusting the flatness of a printing platform.
  • a second object of the present invention is to provide a three-dimensional printing that accurately adjusts the flatness of a printing platform.
  • the present invention provides a three-dimensional printing platform adjustment method for a three-dimensional printer, the three-dimensional printer comprising a print head moving in a horizontal plane, a three-dimensional printing platform moving in a vertical direction, and a control unit, wherein the three-dimensional The printing platform comprises at least three support assemblies and a carrier plate, the carrier plate is arranged on a plurality of support assemblies, the support assembly comprises a pressure sensor and an adjustment assembly, the pressure sensor is adjacent to the load plate, and the adjustment assembly is used for sag the pressure sensor
  • the 3D printing platform adjustment method includes the steps of moving the 3D printing platform to the preset zero position and the step of calibrating the 3D printing platform, and the step of calibrating the 3D printing platform includes performing the first resolution for each supporting component in turn.
  • the step of rate calibration the step of performing a first resolution calibration on a support assembly includes: moving the 3D printing platform away from the print head to the calibration position; moving the print head over the support assembly to be calibrated; the 3D printing platform is first resolved The rate moves toward the print head to the preset zero position;
  • the unit calculates the current pressure value according to the data collected by the pressure sensor; determines whether the current pressure value is equal to the preset pressure value; if the current pressure value is not equal to the preset pressure value, the pressure sensor is adjusted to the target position by the adjusting component, and the pressure The sensor makes the current pressure value equal to the preset pressure value at the target position; if the current pressure value is equal to the preset pressure value, the first resolution component is subjected to the first resolution calibration.
  • the step of calibrating the three-dimensional printing platform further comprises the step of performing a first resolution calibration on the first support component.
  • the step of calibrating the three-dimensional printing platform further comprises the step of performing a second resolution calibration on each of the support components, for each support
  • the step of the component performing the second resolution calibration comprises: moving the 3D printing platform away from the print head to the calibration position; moving the print head to the top of the support assembly to be calibrated; and moving the 3D printing platform toward the print head to the preset at the second resolution Zero position; the control unit calculates the current pressure value according to the data collected by the pressure sensor; determines whether the current pressure value is equal to the preset pressure value; if the current pressure value is not equal to the preset pressure value, adjusts the pressure sensor to the target through the adjustment component Position, the pressure sensor makes the current pressure value equal to the preset pressure value at the target position; if the current pressure value is equal to the preset pressure value, the second resolution calibration is performed on the next support component.
  • the step of calibrating the three-dimensional printing platform further comprises the step of performing a second resolution calibration on the first support component.
  • the three-dimensional printing platform adjustment method further comprises the step of calibrating the imaging distance, and the step of calibrating the imaging distance comprises: the three-dimensional printing platform is oriented toward the third resolution The step of moving the head; the step of adjusting the imaging distance between the carrier and the print head; and the step of setting the imaging distance to the imaging zero.
  • the present invention provides a three-dimensional printer comprising a print head moving in a horizontal plane, a three-dimensional printing platform moving in a vertical direction, and a control unit for controlling movement of the print head and the three-dimensional printing platform
  • the three-dimensional printing platform comprises at least three support assemblies and a carrier plate, the carrier plate being disposed on the plurality of support assemblies, the support assembly comprising a pressure sensor and an adjustment assembly, the pressure sensor being adjacent to the load plate, the adjustment assembly being used for The pressure sensor moves in the vertical direction, the pressure sensor outputs an acquisition signal to the control unit, and the control unit outputs the current pressure value according to the acquisition signal.
  • the three-dimensional printing platform further includes a support base
  • the adjustment assembly includes a screw that is threadedly engaged with the support table and disposed vertically, and a spring that is sleeved outside the screw, the first end of the screw is adjacent to the pressure sensor, and the spring is abutted Connected between the second end of the screw and the support table.
  • the adjustment assembly includes a cam and a knob, the cam surface of the cam being adjacent to the pressure sensor, the knob being coupled to the cam and allowing the cam to rotate.
  • the adjustment assembly includes a wedge block assembly that is movable in a horizontal direction and a pressure sensor is disposed on the wedge block assembly.
  • the three-dimensional printer further includes a display unit, and the control unit controls the display unit to display the current pressure value and the preset pressure value.
  • the loading plate that needs to be leveled is disposed on the supporting component, and is adjusted by sequentially at least three supporting components, and the pressure value collected by the pressure sensor is used.
  • As a benchmark for calibration it effectively improves calibration accuracy and convenience, and then more effectively and intuitively leveles the load plate, which in turn improves the quality of the molding.
  • first calibrating each support component, and then calibrating the first support component is beneficial to improve calibration accuracy.
  • the calibration is first performed by the coarse adjustment method of the first resolution, and then the calibration is performed by the fine adjustment method of the second resolution, which is advantageous for improving the calibration efficiency and the calibration accuracy.
  • first calibrating each support component, and then calibrating the first support component is beneficial to improve the calibration accuracy.
  • the imaging distance between the carrier plate and the printhead after the support component is calibrated is different from the preset distance, the imaging distance is adjusted by the carrier.
  • the optimal imaging distance between the board and the printhead helps to improve image quality.
  • the vertical position of the pressure sensor can be adjusted by using various structural adjustment components, such as screws, cams or wedge blocks, which can realize high-resolution vertical position adjustment, and then effectively improve the leveling effect. .
  • the user can more easily adjust the current pressure value and the preset pressure value more conveniently.
  • Figure 1 is a block diagram showing an embodiment of a three-dimensional printer of the present invention.
  • Figure 2 is a structural diagram of a three-dimensional printer embodiment of the present invention in a first state.
  • Figure 3 is a structural diagram of a three-dimensional printer embodiment of the present invention in a second state.
  • FIG. 4 is an exploded view of a three-dimensional printing platform in an embodiment of a three-dimensional printer of the present invention.
  • Figure 5 is an exploded view of the carrier plate in the embodiment of the three-dimensional printer of the present invention.
  • Figure 6 is an exploded view of the support assembly of the three-dimensional printer embodiment of the present invention.
  • Figure 7 is a cross-sectional view of a three-dimensional printing platform in an embodiment of a three-dimensional printer of the present invention.
  • Figure 8 is a system block diagram of an embodiment of a three-dimensional printer of the present invention.
  • FIG. 9 is a flow chart of an embodiment of a method for adjusting a three-dimensional printing platform of the present invention.
  • FIG. 10 is a flow chart of coarse adjustment of a printing platform in an embodiment of a method for adjusting a three-dimensional printing platform according to the present invention.
  • 11 is a flow chart of fine-tuning calibration of a printing platform in an embodiment of a method for adjusting a three-dimensional printing platform of the present invention.
  • FIG. 12 is a flow chart of coarse adjustment of corresponding support components in an embodiment of a three-dimensional printing platform adjustment method according to the present invention.
  • FIG. 13 is a flow chart of fine-tuning the corresponding supporting components in the embodiment of the method for adjusting the three-dimensional printing platform of the present invention.
  • FIG. 14 is a flow chart for calibrating an imaging distance in an embodiment of a three-dimensional printing platform adjustment method of the present invention.
  • Figure 15 is a schematic diagram of a support assembly in a second embodiment of the three-dimensional printer of the present invention.
  • Figure 16 is a schematic diagram of a support assembly in a third embodiment of the three-dimensional printer of the present invention.
  • FIG. 1 is a structural diagram of a three-dimensional printer 1 including a three-dimensional printing platform 11 , a print head 12 , and a Z-axis servo motor 131 respectively mounted in a frame (not shown) of the three-dimensional printer.
  • the print head 12 is mounted on an X-axis guide rod, and the X-axis guide rod is connected with an X-axis servo motor 133. Under the X-axis servo motor 133, the print head 12 can be moved along the X-axis, and the X-axis guide rod is also connected with the Y-axis.
  • a guide rod (not shown) to which the Y-axis servo motor 132 is connected is driven by the Y-axis servo motor 132, but the X-guide rod is moved along the Y-axis.
  • FIG. 2 and FIG. 3 are structural views of the three-dimensional printing platform 11 and the print head 12 in different states
  • FIG. 4 is an exploded view of the three-dimensional printing platform 11, which is included in the three-dimensional printing platform 11.
  • the object board 3, the three support assemblies 4 and the support table 5, the carrier board 3 is disposed on the three support assemblies 4, and the three support assemblies 4 are disposed through the support table 5, and the three support assemblies 41 are not in the same line. Ground setting. Since the three-dimensional printing platform 11 can be moved vertically under the driving of the servo motor, the three-dimensional printing platform can be moved from the position shown in FIG. 2 to the position shown in FIG. 3, that is, to the three-dimensional printing platform 11 and the print head 12. The location of the contact.
  • the carrier plate 3 includes a glass 31 covered with a coating, a bracket 32 and a heater 33 provided with a recess for receiving the glass 31, the heater 33 is disposed in a sheet form, and a heater 33 is disposed on the back of the groove of the bracket 32.
  • the heater 33 is electrically heated to transfer heat to the bracket 32 and the glass 31.
  • FIG. 6 is an exploded view of the support assembly 4, and FIG. 7 is a cross-sectional view of the three-dimensional printing platform.
  • the support assembly 4 includes a pressure sensor and an adjustment assembly.
  • the pressure sensor uses a half bridge scale.
  • the heavy module includes an upper adjustment plate 41 fixedly mounted on the end surface of the support table 5 and a lower adjustment plate 42 disposed on the lower adjustment plate 42 and the carrier plate 3 being provided with a plurality of upper adjustment plates 41 is carried, and the support table 5 is provided with a through hole at a position corresponding to the lower adjustment plate 42.
  • the through hole is provided with an internal thread.
  • the adjustment assembly includes a screw 43 that is threadedly engaged with the through hole of the support table 5 and is vertically disposed, and a spring 44 that is sleeved outside the screw.
  • the screw 43 passes through the support table 5, and the first end of the screw 43 and the upper adjustment plate 41 Adjacently, the second end of the screw 43 is located on the other side of the upper adjustment plate 41, and the spring 44 abuts between the support table 5 and the second end of the screw 43.
  • the screw 43 When the screw 43 is rotated, the screw 43 moves vertically.
  • the upper adjustment plate 41 is pushed to move downward in the vertical direction, and then the support assembly 4 is movablely adjusted in the vertical direction.
  • Figure 8 is a system block diagram of the three-dimensional printer 1.
  • the control unit 14 outputs drive signals to the Z-axis servo motor 131, the Y-axis servo motor 132, and the X-axis servo motor 133, respectively, to respectively rotate the servo motors, thereby enabling the three-dimensional printing platform 11 to be driven down by the Z-axis servo motor 131.
  • the printhead 12 Moving inward, the printhead 12 is moved in a horizontal plane defined by the X-axis and the Y-axis.
  • the pressure sensors in the three support assemblies 4 constitute the pressure sensor assembly 15 of the present embodiment, and then the control unit 14 receives the acquisition signals output by the pressure sensor assembly 15, and the control unit 14 calculates a corresponding current pressure value based on the acquisition signals, and the current The pressure value is output to the display unit 16, which is a display screen for displaying the current pressure value and the preset pressure value.
  • Figure 9 is a flow chart of a three-dimensional printing platform adjustment method.
  • step S1 is executed to input a three-dimensional printing platform adjustment instruction, and then step S2 is performed, the three-dimensional printing platform is moved up to a preset zero point, and then the step of calibrating the three-dimensional printing platform is performed.
  • the step of calibrating the three-dimensional printing platform includes steps S3 and S4. First, step S3 is performed to perform coarse adjustment on the three-dimensional printing platform, and then step S4 is performed to fine-tune the three-dimensional printing platform, and finally step S5 is performed. , calibrate the imaging distance between the 3D printing platform and the printhead.
  • Figure 10 is a flow chart for coarse adjustment of a three-dimensional printing platform.
  • step S31 is performed to coarsely adjust the flatness of the first supporting component
  • step S32 is performed to coarsely adjust the flatness of the second supporting component
  • step S33 is performed to coarsely adjust the flatness of the third supporting component.
  • step S34 is performed to coarsely adjust the flatness of the fourth supporting component.
  • FIG 11 is a flow chart for fine tuning a three-dimensional printing platform.
  • step S41 is performed to finely adjust the flatness of the first supporting component
  • step S42 is performed to finely adjust the flatness of the second supporting component
  • step S43 is performed to finely adjust the flatness of the third supporting component.
  • step S44 is performed to finely adjust the flatness of the fourth support component.
  • Figure 12 is a flow chart for coarse adjustment of the respective support assembly, i.e., a coarse adjustment of the first support assembly, the second support assembly, or the third support assembly.
  • step S61 the three-dimensional printing platform is lowered from the preset zero position by 5 mm to the calibration position, and then step S62 is performed, the print head is moved over the support assembly that needs to be adjusted, and then step S63 is performed, and the three-dimensional printing platform is at the first resolution. Move toward the print head to the preset zero position, that is, the 3D printing platform slowly rises to the preset zero position with a resolution of 0.06 mm.
  • step S64 the control unit calculates the current pressure value according to the data collected by the pressure sensor, and then performs step S65 to determine whether the current pressure value is equal to the preset pressure value.
  • step S66 is performed, and the pressure sensor is adjusted to the target position by the adjusting component.
  • the adjusting screw 43 of FIG. 7 can move the upper adjusting plate 41 of the pressure sensor upward or downward.
  • the upper adjustment plate 41 of the pressure sensor causes the current pressure value to be equal to the preset pressure value at the target position.
  • step S67 is performed
  • step S63, S64, and S65 are sequentially performed. If the current pressure value is equal to the preset pressure value, the next support component is performed.
  • a resolution calibration is performed.
  • Figure 13 is a flow chart for fine-tuning the respective support assembly, i.e., a flow chart for fine tuning the first support assembly, the second support assembly, or the third support assembly.
  • step S71 the three-dimensional printing platform is lowered by 5 mm to the calibration position, and then step S72 is performed, the print head is moved over the support assembly to be adjusted, and then step 73 is performed, and the three-dimensional printing platform is moved toward the print head at the second resolution to The preset zero position, that is, the 3D printing platform slowly rises to the preset zero position with a resolution of 0.01 mm.
  • step S74 the control unit calculates the current pressure value according to the data collected by the pressure sensor, and then performs step S75 to determine whether the current pressure value is equal to the preset pressure value.
  • step S76 is performed, and the pressure sensor is adjusted to the target position by the adjusting component.
  • the adjusting screw 43 of FIG. 7 can move the upper adjusting plate 41 of the pressure sensor upward or downward.
  • the upper adjustment plate 41 of the pressure sensor causes the current pressure value to be equal to the preset pressure value at the target position.
  • step S77 is performed
  • step S73, S74, and S75 are sequentially performed. If the current pressure value is equal to the preset pressure value, the next support component is performed. Two resolution calibration.
  • FIG 14 is a flow chart for calibration of the imaging distance.
  • step S51 the three-dimensional printing platform moves toward the print head at a third resolution, that is, the three-dimensional printing platform rises at a resolution of 0.01 mm, and then step S52 is performed to adjust the imaging distance between the carrier and the print head, that is, in the imaging. When the distance is appropriate, the movement of the three-dimensional printing platform is stopped. Finally, step S53 is performed to set the imaging distance to the imaging zero point. When performing the three-dimensional solid imaging, the three-dimensional printing platform will rise to the imaging zero point, and the printing head extrudes the imaging silk material to the carrier plate. .
  • the print head of the three-dimensional printer can be printed and imaged on the three-dimensional printing platform, and after the printing is completed, the formed model is located on the three-dimensional printing platform.
  • the weight of the model is calculated by the pressure sensor assembly and displayed on the display unit.
  • Figure 15 is a schematic diagram of the adjustment assembly of the second embodiment of the three-dimensional printer.
  • the adjustment assembly can also adopt an adjustment assembly as shown in Figure 15, which includes a cam 62 and a knob.
  • the cam surface of the cam 62 is adjacent to the pressure sensor 61.
  • the knob is coupled to the cam 62 and can rotate the cam 62 about its center.
  • the position of the pressure sensor 61 can be adjusted by the different distance between the cam surface and the center.
  • Figure 16 is a schematic diagram of the adjustment assembly of the third embodiment of the three-dimensional printer.
  • the adjustment assembly may also adopt an adjustment assembly as shown in Figure 16, the adjustment assembly including a wedge block assembly and The guide rod 74, the wedge block assembly includes an upper wedge block 72 and a lower wedge block 73.
  • the guide rod 74 passes through the pressure sensor 71 and causes the pressure sensor 71 to move vertically along the guide rod 74.
  • the upper wedge block 72 is located at the pressure sensor 71.
  • Lower and connected to the pressure sensor 71, the lower wedge block 73 and the upper wedge block 72 are obliquely matched, and the lower wedge block 73 is movable in the horizontal direction.
  • the pressure sensor 71 is guided by the inclined surface.
  • the rod 74 moves up and down.
  • the load plate that needs to be leveled is arranged on the support assembly, and is adjusted by at least three support components in sequence, and the pressure value collected by the pressure sensor is used as a reference for calibration, thereby effectively improving calibration accuracy and convenience.
  • sexuality in turn, more effectively and intuitively leveling the load plate, which in turn improves the quality of the molding.
  • the above embodiment is only a preferred embodiment of the present invention.
  • other types of pressure sensors can be used, and since the pressure value can be calculated by calculating the weight value, the weight value is used as the leveling.
  • the reference is also the object of the present invention, and should be within the scope of the present invention, and the adjustment assembly can also be adjusted in the vertical direction by other conventional technical solutions in the art, and the invention can also be implemented.
  • the present invention can also support the carrier plate by using four support components or five support components, and the flatness calibration of the plurality of support components by the pressure sensor can also achieve the object of the present invention.
  • the three-dimensional printer of the present invention and the three-dimensional printing platform adjustment method of the three-dimensional printer are suitable for use in three-dimensional printing imaging applications, and the products and methods of the present invention are applied, that is, by adjusting at least three support components in sequence, and using the pressure values collected by the pressure sensor As a benchmark for calibration, it effectively improves calibration accuracy and convenience, and then more effectively and intuitively leveles the load plate, which in turn improves the quality of the molding.

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  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)

Abstract

L'invention concerne un procédé de réglage d'une plateforme d'impression tridimensionnelle (11) et une imprimante tridimensionnelle (1). Le procédé de réglage de la plateforme d'impression tridimensionnelle (11) comprend l'étalonnage de la planéité de chaque support (4), l'étalonnage de la planéité de chaque support (4) consistant à : déplacer la plateforme d'impression tridimensionnelle (11) vers une position d'étalonnage en adossant à une tête d'impression (12) ; déplacer la tête d'impression (12) vers une position au-dessus du support (4) nécessitant d'être étalonné ; déplacer la plateforme d'impression tridimensionnelle (11) vers la tête d'impression (12) à une première résolution à une position zéro prédéfinie ; une unité de commande (14) calcule une valeur de pression courante ; déterminer si la valeur de pression courante est égale à une valeur de pression prédéterminée ou non, et si non, permettre aux valeurs de pression d'être égales en réglant la position d'un ensemble de détection de pression (15).
PCT/CN2016/103702 2015-11-09 2016-10-28 Procédé de réglage d'une plateforme d'impression tridimensionnelle et imprimante tridimensionnelle WO2017080370A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510760769.8 2015-11-09
CN201510760769.8A CN105291435B (zh) 2015-11-09 2015-11-09 三维打印平台调整方法和三维打印机

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WO2017080370A1 true WO2017080370A1 (fr) 2017-05-18

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CN109895383A (zh) * 2018-11-01 2019-06-18 先临三维科技股份有限公司 一种光固化3d打印机及其自动调平方法
CN110480589A (zh) * 2018-05-15 2019-11-22 杭州德迪智能科技有限公司 一种增材作业平台的调平系统及方法
CN113665114A (zh) * 2021-08-10 2021-11-19 深圳市洋明达科技有限公司 一种应用全导轨结构的3d打印机
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CN105252770B (zh) * 2015-11-10 2018-04-03 珠海天威飞马打印耗材有限公司 三维打印方法和三维打印机
EP3423281A1 (fr) 2016-05-12 2019-01-09 Hewlett-Packard Development Company, L.P. Postes d'impression d'étalonnage
CN105855547B (zh) * 2016-06-07 2017-12-01 青岛前哨精密机械有限责任公司 一种3d打印机基板自动微动调平系统
CN106123916B (zh) * 2016-06-13 2019-11-15 上海临奇智能科技有限公司 一种用于校准vr设备中惯性测量单元的方法与设备
CN106346783A (zh) * 2016-09-07 2017-01-25 华南理工大学 一种可自动调整3d打印平台
CN106426913A (zh) * 2016-12-06 2017-02-22 徐工集团工程机械有限公司 3d打印机
EP3642798A4 (fr) * 2017-06-20 2020-12-16 Hewlett-Packard Development Company, L.P. Déterminations de positions de capteurs
CN109249619A (zh) * 2017-07-13 2019-01-22 三纬国际立体列印科技股份有限公司 立体打印装置的校正方法
CN108481741A (zh) * 2018-03-13 2018-09-04 珠海天威飞马打印耗材有限公司 一种三维打印机及三维打印平台调整方法
EP3898193B1 (fr) * 2018-12-19 2023-07-26 Jabil Inc. Flexion de buse de liquéfacteur d'impression 3d pour un repassage amélioré
CN109878074B (zh) * 2019-04-01 2021-03-02 先临三维科技股份有限公司 Dlp打印机及复位位置确定方法
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