CN109128175A - A kind of five axis 3D printing devices and forming method based on wire fused glass pellet - Google Patents
A kind of five axis 3D printing devices and forming method based on wire fused glass pellet Download PDFInfo
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- CN109128175A CN109128175A CN201710454756.7A CN201710454756A CN109128175A CN 109128175 A CN109128175 A CN 109128175A CN 201710454756 A CN201710454756 A CN 201710454756A CN 109128175 A CN109128175 A CN 109128175A
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- printing
- base station
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- 238000010146 3D printing Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 title claims abstract description 11
- 239000008188 pellet Substances 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 21
- 238000007639 printing Methods 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 229910000975 Carbon steel Inorganic materials 0.000 claims 1
- 241000237858 Gastropoda Species 0.000 claims 1
- 239000010962 carbon steel Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 239000002994 raw material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of five axis 3D printing devices based on wire fused glass pellet.Including printing head, liftable main shaft, guide rail/slide unit of X and Y-direction, horizontal bracing strut, vertical support frame, printing base station and chuck.Its main innovation is: (1) vertical support frame is mounted on the middle part of horizontal bracket, and vertical type servo motor is equipped on bracket, installation printing base station or chuck on servo motor shaft (C axis).(2) two sides of horizontal bracket are supported by upright support post.Horizontal bracket is connect with stand type support by bearing, and one end and horizontal servo motor shaft are connected (A axis).Motor shaft is parallel with X-axis.Horizontal servo motor and horizontal bracket are mounted on X on slide unit.(3) using present apparatus printing workpiece it needs for part to be divided into main part and support portion, first type body portion when, is removed after cooling.Then will printing base station change chuck into, by main part on chuck clamping, thus using main part be base station printing workpiece each support portion.
Description
Technical field
The invention belongs to 3D printing technique fields, more particularly to the dress of the five axis 3D printings based on wire fused glass pellet
It sets and forming method.
Technical background
3D printing technique based on fused glass pellet (Fused Deposition Modeling, FDM) is 3D printing neck
One of traditional prints technology in domain, because it uses the principle of the layer-by-layer accumulation molding of the printed material of molten condition simple and is easy to
Realize and the printing raw material of being welcome that can be applicable in by vast equipment development person and user from low-cost plastic tube to
Valuable wire is widely distributed.Especially in metal 3D printing field, with metal powder sintered end technology (selecting
Laser melting, SLM) it compares, production, raw material consumption are easy based on the wire raw material that the 3D printing for melting welding method uses
Take is a kind of less very with the 3D printing technique of development prospect.But, traditional printing technology based on fused glass pellet
It is that the printing technology of two axis half, i.e. X-axis and Y-axis linkage, vertical axes Z do interim feeding.This molding machine and technique are being beaten
When needing to add the support other than a large amount of workpiece when printing complex part using raw material metal progress 3D printing, removal support
It not only expends a large amount of working hours but also influences workpiece quality.Recognize this defect, has device that spray head is connected at present more
On degree-of-freedom manipulator, allows and two degrees of freedom rotation is made by printing workpiece.The defect of this device and forming method is: when spray head with
When vertical axes Z is not parallel, liquid printed material is easy to flow and then influence workpiece quality when printing workpiece is larger, prints base
The movement of platform is easy to cause sliding and fall off of the workpiece on base station
Summary of the invention
Existing apparatus and Method of printing there are aiming at the problem that, the present invention provides a kind of based on wire fused glass pellet
Five axis 3D printing devices and moulding process, solve the problems, such as that the existing printing device based on fused glass pellet exists, beat
Print has equipment cost low, printing precision height and the high feature of printing effect
To achieve the goals above, the present invention adopts the following technical scheme that, a kind of based on wire fused glass pellet
Five axis 3D printing devices, including printing head, liftable main shaft (Z axis), the guide rail and slide unit of X-direction, the guide rail of Y-direction and
Slide unit, horizontal bracing strut, vertical support frame print base station, servo motor (5), motor digitial controller (5), coil preheating
Inductor (2).
In the present apparatus, printing head is mounted on the main shaft (Z axis) that can be vertically moved up or down, that is to say, that printing head
Freedom degree with unique vertical direction, so that it is guaranteed that the printed material for the molten condition that spray head sprays will not be because of gravity
Flowing or sliding occurs.The connection type of spray head and the movement mechanism of Z-direction is: metal lead screw, silk are equipped on Z-direction column
Z-direction screw is cased on thick stick, Z-direction screw is fixedly connected with lifting platform, and lifting platform and the sliding contact of Z-direction column cooperate.Z-direction column top
End has Z-direction servo motor, and motor shaft and lead screw are connected, and motor movement drives lead screw rotation, so that lifting platform moves.It beats
Print spray head is mounted on lifting platform.
Support for fusant, the present invention with X-axis rotational workpieces by ensuring the motion profile of current spray head about the z axis
With molding underclad portion on the same vertical plane.The specific connection scheme of present apparatus associated components is as follows: vertical branch
Frame is divided into two parts up and down, is connected respectively in the middle part of horizontal bracket.Top and the bottom and the symmetrical position of horizontal bracket have axis
Seat is held, vertical type servo motor is installed in horizontal bracket part below.Vertical type servo motor uses extension shaft, and extension shaft is in bearing
The position of seat is connect with vertical support frame by bearing.
Setting metal mounting plate is bolted far from one end of motor in motor shaft, and mounting plate can be bolted
Base station is printed, it can also be with chuck for installing.Chuck and base station are loaded and unloaded as needed.Then the rotation of vertical machine can band
Start building part select about the z axis turn.
The two sides of horizontal bracket are supported by upright support post.Horizontal bracket is connect with stand type support by bearing, it is ensured that horizontal
Holder pivots.One end and horizontal servo motor shaft are connected (A axis).Motor shaft is parallel with X-axis.Motor rotation can drive water
Flat bracket turns about the X axis.
Movement mechanism and connection type on horizontal plane is as follows.Metal lead screw is installed, on lead screw on guide rail in the Y direction
It is cased with screw, screw is fixedly connected with slide unit, and slide unit and Y-direction guide rail sliding contact cooperate.It is watched with horizontal one end of Y-direction guide rail
Motor is taken, motor shaft and lead screw are connected, and motor movement drives lead screw rotation, so that slide unit moves.
Guide rail/slide unit of X-direction is identical in guide rail/slide unit structure of Y-direction.Horizontal bracket and its driving motor are mounted on
On the slide unit of X-direction, on the slide unit of the guide rail installation of X-direction in the Y direction.
Each servo motor is controlled by a digitial controller, central computer of five digitial controllers in whole device
Movement instruction is issued to the servo motor respectively controlled under coordination, completes the integrating action of processing part.
In order to use the present apparatus to print satisfactory workpiece, need using following process:
(1) workpiece CAD model is obtained；
(2) CAD model of workpiece is divided by a main part and several support portions by process planning, main part is beaten first
Print, the principle that the printing order in support portion is not interfered according to spray head with workpiece are planned in advance；
(3) main part and support portion are sliced, main part is to print base station as slice datum level, and support portion is with support
Tangent plane with main body coupling part is slice datum level；
(4) motion profile of spray head is calculated on each section, track description form is the broken line connected point by point.Calculate rail
When mark, by five-axle linkage ensure part that each sub-line section in track and lower layer have printed on the same vertical plane, with
The characteristics of meeting melt molding；
(5) installation printing base station, spray head and base station determine the relative position of starting to knife；
(6) if desired, starting induction coil preheats base station；
(7) according to the main part of default spray head path printing workpiece；
(8) cooling to main part, it is removed from base station；
(9) printing base station is unloaded and is replaced with chuck；
(10) workpiece principal part clamping on chuck, if it is desired, preheated；
(11) order is printed according to preset support portion and path prints each support portion.
Detailed description of the invention
It is illustrated for convenience, the present invention will use Fig. 1~5 to briefly introduce.
Fig. 1 is that the present apparatus is equipped with the just equal side views of printing base station；
Fig. 2 is the present apparatus equipped with printing base station main view；
Fig. 3 is that the present apparatus is equipped with the just equal side views of chuck；
Fig. 4 is the present apparatus equipped with chuck main view；
Wherein, 1 is X-axis and slide unit, and 2 be Y-axis and slide unit, and 3 be Z axis and slide unit, and 4 be rotary shaft A axis, and 5 be printing head,
6 be horizontal bracing strut, and 7 be printing base station, and 8 be triangle chuck, and 9 be coil heats inductor, and 10 be bottom plate, and 11 be connecting plate,
12 be vertical support frame, and 13 be rotary shaft C axis, and 14 be pedestal, and 15 be A spindle motor pedestal, and 16 be A spindle motor, and 17 is with keyways
Connection holes, 18 be C axle motor, and 19 be C axle motor pedestal.
Fig. 5 gives the basic process using present apparatus printing complex part.
Specific embodiment
Now technical solution of the present invention will completely be described in conjunction with Fig. 1~5.It is described below only of the invention
A part of case study on implementation, and it is not all.Based on the case study on implementation in the present invention, those skilled in the art are not being made
Every other case study on implementation obtained, belongs within the scope of the present invention under the premise of creative work.
As shown in Fig. 1~5, the invention discloses a kind of based on the 3D printing device of wire fused glass pellet and printing
Method.Including printing head 4, liftable main shaft (Z axis) 3, guide rail/slide rest device 1 of X-direction, guide rail/slide unit of Y-direction
Device 2, the A shaft device 4 rotated around X-direction, the C shaft device 13 that direction rotates about the z axis, triangle chuck 8, horizontal bracing strut 6,
Vertical support frame 12 prints base station 7 and coil heats inductor 9；The rectangular co-ordinate control system includes X-axis 1, Y-axis 2, Z axis
3, the rotary shaft A axis 4 rotated around X-direction, the rotary shaft C axis 13 that direction rotates about the z axis has 5 freedom degrees, the Y-axis
Guide rail/the slide rest device 2 in direction is fixed on bottom plate 10, meanwhile, guide rail/slide rest device 1 of the X-direction is fixed on Y-axis
On slide unit, the A shaft device 4 is fixed on X-axis slide unit, is realized and is rotated around X-direction 1, the C shaft device 13 is fixed on vertical
On straight bracket, realize that direction 3 rotates about the z axis, the Z axis lifting platform 3 is fixed on connecting plate 11；The printing head 5 is installed
On Z axis 3, printing head 5 may be implemented to move up and down along Z axis, and the printing base station 7 and triangle chuck 8 may be implemented revolving
Interaction changes on rotating shaft C axis 13, and to meet various printing demands, the induction coil heater 9 is pacified in the one end in 3 direction of Z axis
Dress, after workpiece is mounted on chuck, the position that can move to heater 9 preheats workpiece；Rotary shaft A shaft device includes
Bottom plate 14, A spindle motor pedestal 15, A spindle motor 13, A spindle motor extension shaft 4, vertical machine axis support 6 and built-in axis
It holds；Rotary shaft C shaft device includes scroll chuck 8 and horizontal table 7, C axle motor pedestal 19 and C axle motor 18, C axis extension shaft
13, vertical support frame 12, the connection holes 17 with keyway.A spindle motor pedestal 15 is coupled by bolt with bottom plate 14, A spindle motor 16
Being coupled by bolt with A axis pedestal 15, A axis extension shaft 4 is connected by the stand type support that bearing is connected on pedestal 14 with two,
To guarantee that extension shaft and X-axis holding are horizontal, it is machined with key on A axis extension shaft, with the connection holes 17 for having keyway on vertical support frame
It realizes key connection, drives the rotation of vertical support frame.C axle motor 18 is fixed on vertical support frame 12 by bolt and C axis pedestal 19,
Bearing is housed in the centre of vertical support frame and top, C axis extension shaft 13 is by bearing, to guarantee the rigidity of vertical direction, in electricity
Setting metal mounting plate is bolted far from one end of motor in arbor, and printing base station 7 can be bolted in mounting plate,
It can also be with chuck for installing 8.Chuck and base station are loaded and unloaded as needed.Then the rotation of vertical machine can drive workpiece around
Z axis choosing turns.
The Method of printing are as follows:
(1) workpiece CAD model is obtained；
(2) CAD model of workpiece is divided by a main part and several support portions by process planning, main part is beaten first
Print, the principle that the printing order in support portion is not interfered according to spray head with workpiece are planned in advance；
(3) main part and support portion are sliced, main part is to print base station as slice datum level, and support portion is with support
Tangent plane with main body coupling part is slice datum level；
(4) motion profile of spray head is calculated on each section, track description form is the broken line connected point by point.Calculate rail
When mark, by five-axle linkage ensure part that each sub-line section in track and lower layer have printed on the same vertical plane, with
The characteristics of meeting melt molding；
(5) installation printing base station, spray head and base station determine the relative position of starting to knife；
(6) if desired, starting induction coil preheats base station；
(7) according to the main part of default spray head path printing workpiece；
(8) cooling to main part, it is removed from base station；
(9) printing base station is unloaded and is replaced with chuck；
(10) workpiece principal part clamping on chuck, if it is desired, preheated；
(11) order is printed according to preset support portion and path prints each support portion.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range of cause.
Claims (7)
1. a kind of five axis 3D printing devices based on wire fused glass pellet, it is characterised in that: including printing head, can rise
The main shaft (Z axis) of drop, the guide rail and slide unit of the guide rail and slide unit of X-direction, Y-direction, horizontal bracing strut, vertical support frame print base
Platform, servo motor (5), motor digitial controller, the pre- thermal sensor of coil (2).
The printing head is mounted on Z-direction lifting platform as machining spindle, and lifting platform is installed on Z-direction column, i.e., spray head has
The one degree of freedom of vertical direction.
It is connected in the middle part of the vertical support frame and horizontal bracket, vertical type servo motor is installed in horizontal bracket part below.It is vertical
Formula servo motor uses extension shaft, and extension shaft is connect with the symmetrical position of horizontal bracket with vertical support frame by bearing at two.
Setting metal mounting plate is bolted in one end far from motor in the motor shaft, and mounting plate can be connected by bolt
Print base station is taken, it can also be with chuck for installing.Chuck and base station are loaded and unloaded as needed.
The two sides of the horizontal bracket are supported by upright support post.Horizontal bracket is connect with stand type support by bearing, it is ensured that horizontal
Holder pivots.One end and horizontal servo motor shaft are connected (A axis).Motor shaft is parallel with X-axis.Horizontal bracket and its driving motor
It is mounted on the slide unit of X-direction, on the slide unit of the guide rail installation of X-direction in the Y direction.
Each servo motor is controlled by a digitial controller, and five digitial controllers are coordinated in the central computer of whole device
It is lower to issue movement instruction to the servo motor respectively controlled, complete the integrating action of processing part.
The printing base station installs coil induction preheater, can according to need and preheats to base station.Another induction preheater
It is mounted on the reachable position of X weeks one end workpiece, workpiece is preheated as needed.
2. vertical support frame described in right 1, it is characterised in that:
(1) it is divide into upper part and lower part and is connected respectively with horizontal bracket；
(2) two parts have cylindrical bayonet up and down, and to install bearing, two bayonets are symmetrical about horizontal bracket；
(3) vertical type servo motor is installed in bracket lower part.
3. horizontal bracket described in right 1, it is characterised in that:
(1) both ends are cylindrical structure, to connect bearing；
(2) intermediate is flat structure, installs vertical support on one side；
(3) its material is carbon steel construction, and the thickness of flat structure and the diameter of cylinder ensure to can print workpiece in the present apparatus
Deflection is less than 1 micron in range.
4. motor extension shaft belonging to right 1, it is characterized in that: setting circle is bolted far from one end of motor in motor shaft
Metal mounting plate has 12, the snail hole of circular array on metal mounting plate.
5. being to the printing technology process of workpiece using the present apparatus:
(1) workpiece CAD model is obtained；
(2) CAD model of workpiece being divided by a main part and several support portions by process planning, main part prints first,
The principle that the printing order in support portion is not interfered according to spray head with workpiece is planned in advance；
(3) main part and support portion are sliced, main part is to print base station as slice datum level, and support portion is with support and master
The tangent plane of body coupling part is slice datum level；
(4) motion profile of spray head is calculated on each section, track description form is the broken line connected point by point.Calculate track
When, part that each sub-line section in track and lower layer have printed is ensured on the same vertical plane by five-axle linkage, with full
The characteristics of sufficient melt molding；
(5) installation printing base station, spray head and base station determine the relative position of starting to knife；
(6) if desired, starting induction coil preheats base station；
(7) according to the main part of default spray head path printing workpiece；
(8) it walks and cools down to main body, it is removed from base station；
(9) printing base station is unloaded and is replaced with chuck；
(10) workpiece principal part clamping on chuck, if it is desired, preheated；
(11) order is printed according to preset support and path prints each support portion.
6. step described in right 5 (2) is characterized in: according to the axis of workpiece CAD model by model partition at main part and support
Portion.And there is always the printing sequences in a first type body portion for main part and each support portion, under this sequence, spray head with
Workpiece is in print procedure without interference.
7. step described in right 5 (4) is characterized in: the portion that melt molding requires each sub-line section in track to print with lower layer
Divide on the same vertical plane, and the present apparatus and corresponding track generation technique can satisfy this requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454756.7A CN109128175A (en) | 2017-06-14 | 2017-06-14 | A kind of five axis 3D printing devices and forming method based on wire fused glass pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454756.7A CN109128175A (en) | 2017-06-14 | 2017-06-14 | A kind of five axis 3D printing devices and forming method based on wire fused glass pellet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109128175A true CN109128175A (en) | 2019-01-04 |
Family
ID=64830336
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710454756.7A Pending CN109128175A (en) | 2017-06-14 | 2017-06-14 | A kind of five axis 3D printing devices and forming method based on wire fused glass pellet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109128175A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611990A (en) * | 2013-11-15 | 2014-03-05 | 天津大学 | Method for processing spiral bevel gears on general six-axle numerically-controlled machine tool |
| CN204058594U (en) * | 2014-09-11 | 2014-12-31 | 南京煜宸激光科技有限公司 | The meticulous cladding equipment of a kind of five-axle linkage formula laser |
| CN105538721A (en) * | 2016-01-26 | 2016-05-04 | 西安电子科技大学 | Three-dimensional printing device and method for printing conductive pattern on folded hook surface |
| CN105945281A (en) * | 2016-05-09 | 2016-09-21 | 华中科技大学 | Deposition forming manufacturing method of parts and molds |
-
2017
- 2017-06-14 CN CN201710454756.7A patent/CN109128175A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611990A (en) * | 2013-11-15 | 2014-03-05 | 天津大学 | Method for processing spiral bevel gears on general six-axle numerically-controlled machine tool |
| CN204058594U (en) * | 2014-09-11 | 2014-12-31 | 南京煜宸激光科技有限公司 | The meticulous cladding equipment of a kind of five-axle linkage formula laser |
| CN105538721A (en) * | 2016-01-26 | 2016-05-04 | 西安电子科技大学 | Three-dimensional printing device and method for printing conductive pattern on folded hook surface |
| CN105945281A (en) * | 2016-05-09 | 2016-09-21 | 华中科技大学 | Deposition forming manufacturing method of parts and molds |
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Application publication date: 20190104 |
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