CN110000415A - A kind of high-speed milling machine - Google Patents
A kind of high-speed milling machine Download PDFInfo
- Publication number
- CN110000415A CN110000415A CN201811044767.9A CN201811044767A CN110000415A CN 110000415 A CN110000415 A CN 110000415A CN 201811044767 A CN201811044767 A CN 201811044767A CN 110000415 A CN110000415 A CN 110000415A
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- China
- Prior art keywords
- linear guides
- axis
- axis linear
- transfer mechanism
- spindle box
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a kind of high-speed milling machines, including can control the first transfer mechanism that workbench moves along X-direction, can control the second transfer mechanism that head moves along Y direction, can control third transfer mechanism and linear guides that head moves along Z-direction, head controls balance by balance cylinder and balancing pole, head is set on spindle box, balancing pole and balance cylinder are located at the two sides of spindle box, and the two sides of spindle box have also been arranged in pairs Z axis linear guides and the two Z axis linear guides and two balancing poles on same perpendicular.High-speed milling machine sound construction of the invention, and the head section balance quality of milling machine is good, in the case where head high speed turn up 8000-16000 turns, the milling cutter on lathe still can be operated steadily.
Description
Technical field
The present invention relates to a kind of high-speed milling machines.
Background technique
Milling machine refers mainly to the lathe processed with milling cutter to a variety of surfaces of workpiece.Usual milling cutter is transported based on rotary motion
Dynamic, the movement of workpiece and milling cutter is feed motion.It can process plane, groove, can also process various curved surfaces, gear etc..
Milling machine is the lathe for carrying out Milling Process to workpiece with milling cutter.Milling machine is except energy milling plane, groove, the gear teeth, screw thread and splined shaft
Outside, moreover it is possible to process more complicated type face, efficiency is used widely, simply compared with planer height in machine-building and repairing department
For, milling machine can carry out the lathe of milling, drilling and Boring to workpiece, and the revolving speed of the milling cutter of existing milling machine is usual
Turn in 4000-5000.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of high speed that milling cutter revolving speed can reach 8000-16000 turns
Milling machine.
To achieve the goals above, the invention adopts the following technical scheme: a kind of high-speed milling machine, including it can control work
The first transfer mechanism that platform is moved along X-direction can control the second transfer mechanism that head moves along Y direction, can control
The third transfer mechanism and linear guides that head processed is moved along Z-direction, head are controlled by balance cylinder and balancing pole
Balance, linear guides include X-axis linear guides, Y-axis linear guides and Z axis linear guides, X-axis linear guides, Y-axis linear guides
With Z axis linear guides the first transfer mechanism, the second transfer mechanism and the can be controlled in X-direction, Y direction, Z-direction respectively
Three transfer mechanisms are set on spindle box along linear motion, head, and balancing pole and balance cylinder are located at the two sides of spindle box, main
The two sides of axle box have also been arranged in pairs Z axis linear guides and the two Z axis linear guides and two balancing poles are same vertical flat
On face.
Further, the top two sides of spindle box are symmetrically arranged with connector, and connector passes through balancing pole and balance cylinder
Connection, balancing pole one end are fixedly connected with balance cylinder, and the other end is flexibly connected with connector, and balance is also arranged on balancing pole
Block, balancing pole can move back and forth on balance weight along Z-direction, and bottom surface and the saddle of balance weight offset.
Further, the first transfer mechanism is set on the base, and the first transfer mechanism includes the first driving motor and X-axis silk
Bar, the bottom of workbench are provided with slide, and slide connect with X-axis screw rod and moves horizontally for controlling workbench along X-direction,
The two sides of slide are provided with X-axis linear guides, and X-axis sliding slot is provided on pedestal, and X-axis linear guides can be slided along X-axis sliding slot.
Further, the second transfer mechanism includes that the second driving motor and Y-axis screw rod, head are installed on saddle, saddle
It is connect with the second transfer mechanism, Y-axis linear guides are set on crossbeam, and Y-axis sliding slot, Y-axis linear guides energy are provided on saddle
It is slided along Y-axis sliding slot, is provided with Y-axis sliding slot corresponding with the Y-axis linear guides of the upper surface of crossbeam and side on saddle,
So that saddle in the horizontal direction on vertical direction by Y-axis linear guides guiding connection.
Further, the surface of workbench is arranged at intervals with multiple T-slots being parallel to each other, and T-slot can be with the first processing
Plate or the second processing plate connection.
Further, the upper surface of balance weight is provided with stair-stepping boss, and balancing pole is pierced by from the boss.
Further, connecting column is provided on connector, the end of balancing pole is provided with connection ring, connecting column and connection ring
It is flexibly connected, is provided with the bulge loop that can be offseted with boss top surface below connection ring.
Further, the two sides of slide are arranged at intervals with X-axis linear guides.
Further, reject chute is additionally provided on pedestal, the length direction of corresponding first transfer mechanism is arranged in reject chute
The lower section of side edge that is upper and being located at workbench length direction.
Further, hollow out inside spindle box, head and rotating electric machine are mounted on inside spindle box, the appearance of spindle box
Face is provided with rectangular channel, and the side of spindle box is provided with reinforcing rib.
In conclusion high-speed milling machine sound construction of the invention, and the head section balance quality of milling machine is good, in head height
In the case that fast turn up 8000-16000 turns, the milling cutter on lathe still can be operated steadily.
Detailed description of the invention
Fig. 1 is three-dimensional figure structure schematic representation of the invention.
Fig. 2 is structure of the main view of the invention.
Fig. 3 is structure schematic side view of the invention.
Fig. 4 is overlooking structure diagram of the invention.
Fig. 5 is saddle of the invention, third transfer mechanism and spindle box fit structure schematic diagram.
Fig. 6 is structure enlargement diagram at A of the invention.
Fig. 7 is structure enlarged structure schematic diagram at B of the invention.
Fig. 8 is structure enlargement diagram at C of the invention.
Fig. 9 is workbench of the invention and the first processing plate structural schematic diagram.
Figure 10 is workbench of the invention and the second processing plate structural schematic diagram.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.
As Figure 1-10 shows, a kind of high-speed milling machine includes the first drag-over unit that can control workbench 4 and move along X-direction
Structure 1 can control the second transfer mechanism 2 that head 51 moves along Y direction, can control what head 51 was moved along Z-direction
Third transfer mechanism 3 and linear guides 8, the balance cylinder 71 for balancing head 51 is provided on head 51, and linear guides 8 wrap
Include X-axis linear guides 81, Y-axis linear guides 82 and Z axis linear guides 83, X-axis linear guides 81, Y-axis linear guides 82 and Z axis
Linear guides 83 can control the first transfer mechanism 1, the second transfer mechanism 2 and the in X-direction, Y direction, Z-direction respectively
Three transfer mechanisms 3 are along linear motion.
The first transfer mechanism 1 is provided on pedestal 61, the first transfer mechanism 1 includes the first driving motor 11 and X-axis screw rod
12, the bottom of workbench 4 is provided with slide 41, and slide 41 is connect for controlling workbench 4 along X-direction with X-axis screw rod 12
It moves horizontally, the two sides of slide 41 are provided with X-axis linear guides 81, and X-axis sliding slot 64, X-axis linear guides are provided on pedestal 61
81 can slide along X-axis sliding slot 64, for ensuring the horizontal rectilinear motion of workbench 4.It is actually one kind by screw rod transmission
The rotary motion of motor is changed into the straight reciprocating motion of push rod, motor drives a pair of of screw rod spiral shell after The gear deceleration
Mother is in line the rotation motion of motor movement, completes putter action using motor forward/backward rotation, and a pair of of feed screw nut matches
It is higher to close its required precision, it is desirable that the central point of screw rod and nut is on same straight line, could accurately guarantee it always
Straight reciprocating motion is being done, so that it is guaranteed that workbench 4 is also doing always straight reciprocating motion, in order to guarantee in screw rod and nut
Heart point is on same straight line, and linear guides 8 are it is ensured that its steering capability, and the X-axis linear guides 81 of two sides setting, just
It can further guarantee its direction.In order to reduce the frictional force of X-axis linear guides 81 and X-axis sliding slot 64, so that the first drag-over unit
Structure 1 more can do always straight reciprocating motion in labour-saving in the X-axis direction, and the two sides of slide 41 are arranged at intervals with X-axis and linearly lead
Rail 81.
Reject chute 67 is additionally provided on pedestal 61, reject chute 67 is arranged on the length direction of corresponding first transfer mechanism 1
And it is located at the lower section of the side edge of 4 length direction of workbench, reject chute 67 is used to that remaining waste material after workpieces processing can be recycled,
Convenient for cleaning and workbench 4.In addition, the surface of workbench 4 is arranged at intervals with multiple T-slots 42 being parallel to each other, T-slot
42 are not only capable of fixing processing mold or workpiece used, can be used for connecting with the first processing plate 43 or the second processing plate 44.Tool
Body says that there are three types of working methods on workbench 4: the first, T-slot 42 mold or workpiece directly used with processing are connect,
Processing mold used or workpiece are fixed on workbench 4 by T-slot 42, it is ensured that milling machine when processing the workpiece, workpiece
Stability；Second, as shown in figure 9, being provided with the first processing plate 43 in T-slot 42, the first processing plate 43 is that a monolith is set
It is equipped with the plate of multiple circular through holes, the first processing plate 43 can increase a kind of company of mold or workpiece that workbench 4 is used with processing
Mode is connect, and the workpiece of generation processing is maked somebody a mere figurehead, is more conducively radiated；The third is provided with more in T-slot 42 as shown in Figure 10
The bottom of a second processing plate 44, each second processing plate 44 is connect with a T-slot 42 and two second adjacent processing plates
There are gaps between 44, can not only increase the height of workbench 4, also can increase heat dissipation performance, reduce workpiece and 4 face of workbench
The frictional force of plate.
The side of pedestal 61 is provided with two columns 62, and two columns 62 are connected by crossbeam 63, and the second transfer mechanism 2 is set to
On crossbeam 63, the second transfer mechanism 2 includes the second driving motor 21 and Y-axis screw rod 22, that is to say Y-axis screw rod 22 and X-axis screw rod
12 be it is orthogonal, head 51 is installed on saddle 9, and saddle 9 is connect with the second transfer mechanism 2, i.e., head 51 can be along Y
Axis direction is mobile.It is provided with Y-axis linear guides 82 on crossbeam 63, Y-axis sliding slot 65,82 energy of Y-axis linear guides are provided on saddle 9
It is slided along Y-axis sliding slot 65, for ensuring the horizontal rectilinear motion of saddle 9, specifically, the upper surface and side of crossbeam 63 are equal
Y-axis linear guides 82 are provided with, are provided on saddle 9 corresponding with the Y-axis linear guides 82 of the upper surface of crossbeam 63 and side
Y-axis sliding slot 65 so that saddle 9 in the horizontal direction on vertical direction by Y-axis linear guides 82 guiding connection, increase
The contact area of crossbeam 63 and saddle 9, thus the bonding strength both reinforced, and in the horizontal direction and on vertical direction
There is guiding role.Since the second transfer mechanism 2 is between two Y-axis linear guides 82, it can further ensure the second shifting
Send mechanism 2 head 51 can be moved horizontally along Y-axis.Preferably, Y-axis linear guides 82, crossbeam 63 and column 62 are
The structure of hollow out, Y-axis linear guides 82, crossbeam 63 and 62 upper surface of column are provided with multiple through-holes, and this design can reduce it
Weight reduces material cost.
Third transfer mechanism 3, spindle box 52 and head 51 are installed, head 51 and spindle box 52 can be on saddle 9
Move back and forth under the control of three transfer mechanisms 3 along Z-direction, is provided on spindle box 52 for controlling the flat of the balance of head 51
Weighing apparatus cylinder 71 and the Z axis linear guides 83 being oriented to for controlling head 51.Since head 51 is mounted on spindle box 52, head 51
It can be rotated under the drive of rotating electric machine 57, and milling cutter is often installed on head 51, usual process component is all to pass through milling
The rotation of knife and to the parts machining of generation processing, and milling cutter high-speed rotation during processing this, spindle box 52 can then be held
By biggish reaction force, and part processing needs the balance quality requirement of head high, therefore the present embodiment is set for equilibrium problem
Duplicate protection is counted.As soon as the first protection is to give the power of spindle box 52 undertakings by balance cylinder 71, can give
The upward active force of spindle box 52 can also give spindle box 52 downward active force, can adjust spindle box according to the actual situation
52 left-right balance problem.And second protects again, is Z axis linear guides 83, Z axis linear guides 83 mainly play head 51
To guiding role power, especially because third transfer mechanism 3 includes third driving motor 31 and Z axis screw rod 32, and pass through screw rod
Transmission is actually a kind of straight reciprocating motion that the rotary motion of motor is changed into push rod, and motor is through The gear deceleration
Afterwards, a pair of of feed screw nut is driven, the rotation motion of motor is in line movement, push rod is completed using motor forward/backward rotation and moves
Make, and a pair of of feed screw nut cooperates its required precision higher, it is desirable that the central point of screw rod and nut is on same straight line,
It can accurately guarantee that it is doing always straight reciprocating motion, so that it is guaranteed that head 51 is also doing always straight reciprocating motion, in order to
Guarantee that the central point of screw rod and nut is on same straight line, Z axis linear guides 83 are it is ensured that its steering capability.
The top two sides of spindle box 52 are symmetrically arranged with the connector 53 of zigzag, and connector 53 is by balancing pole 54 and puts down
The cylinder 71 that weighs connects, and 54 one end of balancing pole is fixedly connected with balance cylinder 71, and the other end is flexibly connected with connector 53, that is,
Connecting column is provided on connector 53, the end of balancing pole 54 is provided with connection ring 56, and connecting column and connection ring 56 are flexibly connected,
Connection ring 56 can be rotated centered on connecting column, that is, balancing pole 54 can also be rotated centered on connecting column.On balancing pole 54
It is also arranged with balance weight 55, balancing pole 54 can move back and forth on balance weight 55 along Z-direction, the bottom surface of balance weight 55 and cunning
Saddle 9 offsets, and balance weight 55 can guarantee that Impact direction when balance cylinder 71 pushes balance weight 55 to move is along Z-direction.
Preferably, the upper surface of balance weight 55 is provided with stair-stepping boss 551, balancing pole 54 is pierced by from the boss 551, connection
The lower section of ring 56 is provided with the bulge loop 552 that can be offseted with 551 top surface of boss, and the design of boss 551 increases balancing pole 54 and puts down
The contact area of weighing apparatus block 55, preferably guarantees the movement under force direction of balancing pole 54.Connector 53 is zigzag, close to spindle box
52 side is provided with strengthening version 521, and the side far from spindle box 52 is provided with anticollision inclined-plane 522, and strengthening version 521 is for reinforcing
The firmness of connector 53, so that connector 53 is able to bear the effect for the power that bigger balance cylinder 71 generates, and anticollision is oblique
Face 522 can then cooperate to control the maximum angle that balancing pole 54 is able to rotate with balance weight 55.
Since a pair of of feed screw nut of third transfer mechanism 3 cooperates its required precision higher, balance cylinder 71 and z axis
Guide rail 83 plays the role of the balance and guiding of duplicate protection, it is ensured that the accuracy of microfeed and the precision of processing.Main shaft
The two sides of case 52 are provided with balancing pole 54 and balance cylinder 71 for controlling the balance of head 51, and the two sides of spindle box 52 are set in pairs
It is equipped with Z axis linear guides 83 and the two Z axis linear guides 83 and two balancing poles 54 is on same perpendicular, can to put down
Weighing apparatus cylinder 71 and Z axis linear guides 83 play the role of the balance and guiding of maximum duplicate protection.Spindle box 52
Inner surface has also been arranged in pairs Z axis linear guides 83, and the inner surface of spindle box 52 refers to mutually hanging down with the two sides of spindle box 52
A face straight and inside the saddle 9 is provided with and the mutually matched Z axis sliding slot of these two pair Z axis linear guides 83 on saddle 9
66.For the ease of observing height relationships of the spindle box 52 with respect to saddle 9 or increasing its flexibility, set on Z axis linear guides 83
It is equipped with evenly spaced oilhole 831.Lubricating oil can be added in oilhole 831, oilhole 831 passes through silica gel lid interference fit seal oil
Hole, and lubricating oil may make Z axis linear guides 83 and the sliding of Z axis sliding slot 66 more flexible.
The side of Z axis linear guides 83 is provided with recess portion, and protrusion is provided on Z axis sliding slot 66, and protrusion can be sliding along recess portion
It is dynamic, to further guarantee the stabilization of its steering capability.Since the rotation of milling cutter in process can produce spindle box 52
Therefore raw larger reaction force has higher requirement for the installation of head 51 and rotating electric machine 57.In order to reduce spindle box
52 weight, 52 inside hollow out of spindle box, head 51 and rotating electric machine 57 are fixedly installed in inside spindle box 52, and spindle box
52 outer surface (face i.e. corresponding with 51 inner surface of spindle box) is provided with windowing 58, secured to increase spindle box 52
Degree, the side of spindle box 52 is provided with reinforcing rib.
Embodiment 2:
Embodiment 2 the difference from embodiment 1 is that: head 51 and rotating electric machine 57 can be under the controls of lifting device in spindle box 52
Inside move up and down, it is so namely realize in the Z-axis direction there are two can up and down adjustment device, and two groups can on
The device of lower adjusting can satisfy the process requirements of different accuracy, that is, spindle box 52 can be under the control of third transfer mechanism 3
It moves up and down, so that 51 up and down adjustment of head is driven, in addition, head 51 itself can also move up and down in spindle box 52, certainly
No matter when milling cutter mounted on the nose has the surface for exposing spindle box 52.When the required precision of the workpiece of processing is smaller
When, it is only necessary to adjust position of the head 51 relative to spindle box 52, when require processing workpiece required precision it is higher,
The position of spindle box 52 can be adjusted by screw rod then to ensure the accurate fixed of precision.
In addition, being provided with windowing 58 on the outer surface of spindle box 52, windowing 58 includes access panel 581 and gear window 582,
The area of access panel 581 is greater than the area of gear window 582；Gear window 582 can be used for the maintenance to head 51 and rotating electric machine 57,
And gear window 582 can then observe the height that head 51 is moved relative to spindle box 52.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (10)
1. a kind of high-speed milling machine, it is characterised in that: the first drag-over unit moved including can control workbench (4) along X-direction
Structure (1) can control the second transfer mechanism (2) that head (51) moves along Y direction, can control head (51) along Z axis side
To mobile third transfer mechanism (3) and linear guides (8), head (51) is controlled by balance cylinder (71) and balancing pole (54)
System balance, linear guides (8) include X-axis linear guides (81), Y-axis linear guides (82) and Z axis linear guides (83), X-axis line
Property guide rail (81), Y-axis linear guides (82) and Z axis linear guides (83) respectively can be in X-direction, Y direction, Z-direction control
The first transfer mechanism (1), the second transfer mechanism (2) and third transfer mechanism (3) are made along linear motion, head (51) is set to
On spindle box (52), balancing pole (54) and balance cylinder (71) are located at the two sides of spindle box (52), and the two sides of spindle box (52) are also
It has been arranged in pairs Z axis linear guides (83) and the two Z axis linear guides (83) and two balancing poles (54) is same vertical flat
On face.
2. a kind of high-speed milling machine according to claim 1, it is characterised in that: the top two sides of the spindle box (52) are symmetrically set
Be equipped with connector (53), connector (53) connect by balancing pole (54) with balance cylinder (71), balancing pole (54) one end with put down
Weighing apparatus cylinder (71) is fixedly connected, and the other end is flexibly connected with connector (53), and balance weight (55) are also arranged on balancing pole (54),
Balancing pole (54) can move back and forth on balance weight (55) along Z-direction, and bottom surface and the saddle (9) of balance weight (55) offset.
3. a kind of high-speed milling machine according to claim 1, it is characterised in that: first transfer mechanism (1) is arranged in pedestal
(61) on, the first transfer mechanism (1) includes the first driving motor (11) and X-axis screw rod (12), and the bottom of workbench (4) is provided with
Slide (41), slide (41) is connect with X-axis screw rod (12) to be moved horizontally for controlling workbench (4) along X-direction, slide
(41) two sides are provided with X-axis linear guides (81), are provided on pedestal (61) X-axis sliding slot (64), X-axis linear guides (81) energy
It is slided along X-axis sliding slot (64).
4. a kind of high-speed milling machine according to claim 1, it is characterised in that: second transfer mechanism (2) includes the second drive
Dynamic motor (21) and Y-axis screw rod (22), head (51) are installed on saddle (9), and saddle (9) is connect with the second transfer mechanism (2),
Y-axis linear guides (82) are set on crossbeam (63), are provided on saddle (9) Y-axis sliding slot (65), Y-axis linear guides (82) energy
It slides, is provided on saddle (9) and the Y-axis linear guides (82) of the upper surface of crossbeam (63) and side along Y-axis sliding slot (65)
Corresponding Y-axis sliding slot (65) so that saddle (9) in the horizontal direction on vertical direction pass through Y-axis linear guides (82)
Guiding connection.
5. a kind of high-speed milling machine according to claim 1, it is characterised in that: the surface of the workbench (4) is arranged at intervals with
Multiple T-slots (42) being parallel to each other, T-slot (42) can be connect with the first processing plate (43) or the second processing plate (44).
6. a kind of high-speed milling machine according to claim 2, it is characterised in that: the upper surface of the balance weight (55) is provided with rank
The boss (551) of scalariform, balancing pole (54) are pierced by from the boss (551).
7. a kind of high-speed milling machine according to claim 2, it is characterised in that: it is provided with connecting column on the connector (53),
The end of balancing pole (54) is provided with connection ring (56), and connecting column and connection ring (56) are flexibly connected, the lower section of connection ring (56)
It is provided with the bulge loop (552) that can be offseted with boss (551) top surface.
8. a kind of high-speed milling machine according to claim 3, it is characterised in that: the two sides of the slide (41) are arranged at intervals with X
Axis linear guides (81).
9. a kind of high-speed milling machine according to claim 3, it is characterised in that: be additionally provided with reject chute on the pedestal (61)
(67), reject chute (67) setting on the length direction of corresponding first transfer mechanism (1) and is located at workbench (4) length direction
The lower section of side edge.
10. a kind of high-speed milling machine according to claim 2, it is characterised in that: the internal hollow out of the spindle box (52), head
(51) and rotating electric machine (57) is mounted on spindle box (52) inside, and the outer surface of spindle box (52) is provided with rectangular channel (58),
The side of spindle box (52) is provided with reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044767.9A CN110000415A (en) | 2018-09-07 | 2018-09-07 | A kind of high-speed milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811044767.9A CN110000415A (en) | 2018-09-07 | 2018-09-07 | A kind of high-speed milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110000415A true CN110000415A (en) | 2019-07-12 |
Family
ID=67164930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811044767.9A Pending CN110000415A (en) | 2018-09-07 | 2018-09-07 | A kind of high-speed milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110000415A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633250A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Hole milling device for machining rail vehicle parts |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633250A (en) * | 2020-06-02 | 2020-09-08 | 南京天普机电产品制造有限公司 | Hole milling device for machining rail vehicle parts |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
| CN115178780B (en) * | 2022-09-08 | 2022-12-09 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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