CN207239177U - Lathe tools - Google Patents
Lathe tools Download PDFInfo
- Publication number
- CN207239177U CN207239177U CN201721082256.7U CN201721082256U CN207239177U CN 207239177 U CN207239177 U CN 207239177U CN 201721082256 U CN201721082256 U CN 201721082256U CN 207239177 U CN207239177 U CN 207239177U
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- China
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- knife bar
- retaining sleeve
- limited post
- hole
- tool apron
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Abstract
The utility model discloses a kind of lathe tools, it is low to solve bonding strength between knife bar and tool apron, the problem of causing workpieces processing precision low, it is characterized in that, including knife bar and tool apron, the mounting hole that inserting is slided for knife bar is provided with tool apron, knife bar retaining sleeve is outward extended with the outer circumferential surface of aperture outer rim along the knife bar of mounting hole, some limit holes of length direction arrangement on knife bar outer circumferential surface and along knife bar, the flexible limited post being clamped on knife bar retaining sleeve madial wall with limit hole, the utility model can effectively connect and fix the position of axial direction and circumferential direction of the knife bar in tool apron, it is defined by multigroup, so that the degree of being connected firmly between knife bar and tool apron is more preferable, reliability higher.
Description
Technical field
Numerically controlled lathe cutter is the utility model is related to, more particularly to a kind of lathe tools.
Background technology
When metal cutting process will cut off metal unnecessary on workpiece, between the cutter and workpiece that are provided by lathe
Relative motion, makes tool in cutting sword and its adjacent tool surface cut workpiece material, so as to form the new surface of workpiece.
In existing processing technology, lathe tools mainly include cutter head, knife bar and tool apron, are provided with the tool apron for knife
The mounting hole of bar inserting, one end of knife bar are connected with cutter head, and the other end of knife bar is slidably mounted in mounting hole, by tool apron
And knife bar side sets the screw hole of connection, knife bar limitation is installed in tool apron with screw, when lathe tools process part, is used
It is larger in the power that the screw of fixed knife bar is born, particularly it is used to process bore hole and cuts the hole boring cutter of groove, knife bar is needed with knife
Seat runs at high speed on lathe to be cut, and is fixed according to such a mode, screw can be deformed because of the effect of torsion, more sternly
Screw extraction occurs in weight so that knife bar occurs axial or circumferentially displaced in mounting base, directly affects the ruler of work pieces process
Very little precision, therefore, it is very necessary to improve lathe tools.
Utility model content
The purpose of this utility model is to provide a kind of lathe tools lathe tools, can strengthen the company between knife bar and tool apron
Firmness is connect, ensures the dimensional accuracy of workpieces processing.
The above-mentioned technical purpose of the utility model technical scheme is that：
Lathe tools, including knife bar and tool apron, the mounting hole for knife bar Cha Installed is provided with the tool apron, and the knife bar is slided
Dynamic to be installed in mounting hole, the mounting hole is simultaneously outward extended with the side aperture outer rim away from tool apron along the outer circumferential surface of knife bar
Knife bar retaining sleeve, the knife bar retaining sleeve are along the circumferential direction arranged with some lines of cut, and the line of cut is along knife bar retaining sleeve
Length direction is set, and external screw thread is provided with the outer circumferential surface of the knife bar retaining sleeve, be provided with the outside of the knife bar retaining sleeve with
The nut that knife bar clamping external threading coordinates, it is circumferentially arranged between knife bar and the knife bar retaining sleeve to have multigroup limit assembly, often
Some limit holes and knife bar that group limit assembly includes being arranged at the length direction arrangement on knife bar outer circumferential surface and along knife bar clamp
Cover the flexible limited post with limit hole clamping on madial wall.
Using above-mentioned technical proposal, arbor holder is outward extended with along the outer circumferential surface of knife bar by the aperture outer rim in mounting hole
Set is held, and the line of cut along retaining sleeve length direction is set on knife bar clamping set, is set on the outer circumferential surface of knife bar retaining sleeve
External screw thread, the nut coordinated with knife bar clamping external threading is set on the outside of knife bar retaining sleeve, knife bar is slidably mounted on mounting hole
When, knife bar retaining sleeve can further fix knife bar, and set line of cut on knife bar clamping set, it can be ensured that knife bar and knife bar
Being locked between retaining sleeve；Multigroup limit assembly is set between knife bar and knife bar retaining sleeve, by knife bar outer circumferential surface
Flexible limit on some limit hole and knife bar retaining sleeve madial walls that upper and along knife bar length direction arranges with limit hole clamping
Position column, can effectively connect and fix the axial and circumferential position of knife bar, be defined by multigroup so that between knife bar and tool apron
Degree of being connected firmly it is more preferable, reliability higher, and some limit holes are set, easy to adjust the length of knife bar.
Preferably, the through hole worn for flexible limited post sliding is provided with the side wall of the knife bar retaining sleeve, it is described
The flexible one end of limited post away from knife bar is extended to outside through hole, and the described one end of flexible limited post away from knife bar is hemispherical, and
The length of flexible limited post is more than limit hole aperture to the length of knife bar retaining sleeve outer wall；It is provided with to be connected in the through hole and stretches
Contracting limited post is so that flexible return unit of the limited post away from knife bar trend.
Using above-mentioned technical proposal, led to by being set on the side wall of knife bar retaining sleeve for what flexible limited post sliding was worn
Hole, the flexible one end of limited post away from knife bar are extended to outside through hole, and the one end of limited post away from knife bar of stretching is hemispherical, and stretches
The length of contracting limited post is more than limit hole aperture to the length of knife bar retaining sleeve outer wall, in nut tightening on knife bar clamping set
When, the inner wall of nut is connected to the one end of flexible limited post away from knife bar, flexible limited post is pushed into through hole completely so that stretch
Contracting limited post is connected in limit hole close to one end of knife bar, and the one end of limited post away from knife bar is provided with hemispherical, tool
There is certain guiding role；Flexible limited post is connected to so that flexible limited post is away from knife bar trend by being set in through hole
When nut is unscrewed and departs from knife bar retaining sleeve, return unit can recover flexible limited post to initial position return unit so that card
The flexible limited post being connected in limit hole is moved to the direction away from knife bar, and departs from limit hole, is taken out so as to fulfill by knife bar.
Preferably, the return unit is inwardly prolonged using compression spring, the through hole close to one end aperture edge of knife bar
Stretching has the first baffle ring, and the one end of the through hole away from knife bar is equipped with the second baffle ring, the internal diameter of first baffle ring and the second baffle ring
Equal, the outside diameter of the flexible limited post is equal to the internal diameter of the first baffle ring, on the outer circumferential surface of the flexible limited post and in close
The position of second baffle ring, is equipped with spacing ring, and the flexible limited post is integrally formed setting with spacing ring, and the compression spring leans on
One end of nearly knife bar is connected to the first baffle ring, and the described one end of compression spring away from knife bar is connected to spacing ring.
Using above-mentioned technical proposal, by the way that return unit is arranged to compression spring, close to one end aperture edge of knife bar
Extending internally has the first baffle ring, and the internal diameter of the second baffle ring, the first baffle ring and the second baffle ring is set in the one end of through hole away from knife bar
Equal, the outside diameter for the limited post that stretches is equal to the internal diameter of the first baffle ring, it is possible to achieve sliding of the limited post in through hole, in flexible limit
Spacing ring is equipped with the outer circumferential surface of position column and in the position ring close to the second baffle ring, flexible limited post is integrally formed with spacing ring to be set
Put, compression spring is connected to the first baffle ring close to one end of knife bar, and the described one end of compression spring away from knife bar is connected to spacing
Ring, when nut tightening, flexible limited post is moved along through hole to the direction of knife bar, and the direction movement of spacing circumferential knife bar, bullet
Spring is in compressive state, and when nut, which is unscrewed, departs from knife bar retaining sleeve, spring, which can open, promotes the spacing circumferential direction away from knife bar
It is mobile so that the flexible limited post being connected in limit hole is moved to the direction away from knife bar, and departs from limit hole, spacing at this time
The one end of ring away from spring offsets with the second baffle ring.
Preferably, the limit hole is circle, the part that the flexible limited post is connected in limit hole is hemispherical.
Using above-mentioned technical proposal, by the way that limit hole is provided in round, flexible limit hole is connected in limit hole
Part is arranged to hemispherical so that when clamping is to limit hole, there is flexible limited post certain guiding to make for hemispheric end face
With so that flexible limited post is easier to be clamped into limit hole.
Preferably, the inner wall circumferential array of the mounting hole has some spacing raised lines set along knife bar length direction,
Circumferentially be arranged with the outer circumferential surface of the knife bar it is some correspond with spacing raised line and slide the limiting groove being connected, it is described
Limiting groove is set along the length direction of knife bar.
Using above-mentioned technical proposal, have in the inner wall circumferential array of mounting hole some along the spacing of knife bar length direction setting
Raised line, be circumferentially arranged with the outer circumferential surface of knife bar it is some correspond with spacing raised line and slide the limiting groove being connected,
And limiting groove is set along the length direction of knife bar, by the engaging of spacing raised line and limiting groove, further limit knife bar
Circumferential position in mounting hole, avoids knife bar and is rotated in mounting hole inner circumferential, further increased between knife bar and tool apron
Bonding strength.
Preferably, the spacing raised line is provided with three, circumferential arranged at equal intervals of three spacing raised lines along mounting hole.
Using above-mentioned technical proposal, spacing raised line is arranged to three, and along the circumferential arranged at equal intervals of mounting hole, knife bar
Degree of being connected firmly between tool apron is preferable, is arranged to three, difficulty of processing is relatively small.
Preferably, the side wall and slot bottom of the limiting groove are respectively arranged with baffle and backing plate, the baffle and backing plate
It is wholely set, stretches out in baffle along the circumferencial direction of knife bar.
Using above-mentioned technical proposal, baffle and backing plate are respectively arranged with the side wall and slot bottom of limiting groove, and baffle with
Backing plate is wholely set, and when limiting groove and the sliding of spacing raised line are clamped, limiting groove can be protected not to be worn, be extended knife bar
Service life.
Preferably, one end edge of the knife bar retaining sleeve away from tool apron is provided with the guiding conical surface.
Using above-mentioned technical proposal, the conical surface is oriented to by being set at one end edge of the knife bar retaining sleeve away from tool apron, is being revolved
During tight nut, guiding can be played the role of, be more prone on the outside of nut tightening to knife bar retaining sleeve.
In conclusion the utility model has the advantages that：
1. knife bar retaining sleeve is outward extended with the outer circumferential surface of aperture outer rim along the knife bar of mounting hole, in knife bar and arbor holder
Hold and multigroup limit assembly is set between covering, pass through some limit holes of the length direction arrangement on knife bar outer circumferential surface and along knife bar
With the flexible limited post on knife bar retaining sleeve madial wall with limit hole clamping, it is axial and circumferential can effectively to connect and fix knife bar
Position, is defined by multigroup so that the degree of being connected firmly between knife bar and tool apron is more preferable, reliability higher, and if setting
Dry limit hole, easy to adjust the length of knife bar.
2. there are some spacing raised lines set along knife bar length direction in the inner wall circumferential array of mounting hole, in the outer of knife bar
Circumferentially be arranged with side face it is some correspond with spacing raised line and slide the limiting groove being connected, and limiting groove is along knife bar
Length direction set, by the engaging of spacing raised line and limiting groove, further limit circumferential direction of the knife bar in mounting hole
Position, avoids knife bar and is rotated in mounting hole inner circumferential, further increase the bonding strength between knife bar and tool apron.
Brief description of the drawings
Fig. 1 is the exploded perspective view of lathe tools in the present embodiment；
Fig. 2 is knife bar installation completely to the front view on tool apron；
Fig. 3 is the diagrammatic cross-section at B-B in Fig. 2；
Fig. 4 is the enlarged diagram at C in Fig. 3；
Fig. 5 is the enlarged diagram at A in Fig. 1；
Fig. 6 is scheme of installation between backing plate, baffle and knife bar in the present embodiment；
Fig. 7 is the front view after the nut of lathe tools in the present embodiment is unscrewed；
Fig. 8 is the diagrammatic cross-section at D-D in Fig. 7；
Fig. 9 is the enlarged diagram at E in Fig. 8.
In figure：1st, knife bar；11st, limiting groove；111st, baffle；112nd, backing plate；113rd, perforate；2nd, tool apron；21st, spacing ring
Groove；22nd, mounting hole；221st, spacing raised line；3rd, cutter head；4th, knife bar retaining sleeve；41st, line of cut；42nd, through hole；421st, the first baffle ring；
422nd, the second baffle ring；43rd, it is oriented to the conical surface；5th, nut；6th, limit assembly；61st, limit hole；62nd, stretch limited post；621st, it is spacing
Ring；63rd, return unit.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The utility model discloses with reference to Fig. 1 and Fig. 2, including knife bar 1, tool apron 2 and cutter head 3,2 upper end of tool apron is in cylinder
Structure, lower end is tapered, and the periphery in 2 upper end of tool apron is provided with for installing to the limited ring groove 21 on lathe, tool apron 2
Top end surface center offers the rounded mounting hole 22 for installing knife bar 1, and the basal sliding of knife bar 1 is installed on mounting hole
In 22, the top of knife bar 1 is connected with cutter head 3, and top end surface, that is, tool apron 2 of tool apron 2 is close to the end face of knife bar 1 perpendicular to knife bar
1。
As shown in Figure 1, mounting hole 22 and being extended outwardly in away from the side aperture outer rim of tool apron 2 along the periphery of knife bar 1
There is knife bar retaining sleeve 4, knife bar retaining sleeve 4 is along the circumferential direction arranged with some lines of cut 41, and 41 quantity of line of cut is preferably three,
Line of cut 41 is set along the length direction of knife bar retaining sleeve 4, and external screw thread, and knife bar are provided with the outer circumferential surface of knife bar retaining sleeve 4
One end edge of the retaining sleeve 4 away from tool apron, which is provided with, is oriented to the conical surface 43, and the outside of knife bar retaining sleeve 4 is provided with and knife bar retaining sleeve 4
The nut 5 of thread fitting.
It is circumferentially arranged between knife bar 1 and knife bar retaining sleeve 4 to have multigroup limit assembly 6 with reference to Fig. 3 and Fig. 4, it is preferably three
Group, every group of limit assembly 6 include being arranged at some limit holes 61 of the length direction arrangement on 1 outer circumferential surface of knife bar and along knife bar 1
With the flexible limited post 62 being clamped on 4 madial wall of knife bar retaining sleeve with limit hole 61, limit hole 61 is preferably circular, stretches spacing
The part that column 62 is connected in limit hole 61 is preferably hemispherical, is provided with the side wall of knife bar retaining sleeve 4 for flexible limited post
The through hole 42 that 62 slidings are worn, the flexible one end of limited post 62 away from knife bar 1 are extended to outside through hole 42, and the limited post 62 that stretches is remote
One end of knife bar 1 is hemispherical, and the length of flexible limited post 62 is more than the aperture of limit hole 61 to 4 outer wall of knife bar retaining sleeve
Length.
It is provided with through hole 42 and is connected to flexible limited post 62 so that flexible return unit of the limited post 62 away from 1 trend of knife bar
63, return unit 63 is preferably to compress spring, and extending internally in through hole 42 close to one end aperture edge of knife bar 1 has the first baffle ring
421, be equipped with the second baffle ring 422 in the one end of through hole 42 away from knife bar 1, the second side of the baffle ring 422 away from knife bar 1 for arc and with
Externally threaded thread groove on 4 outer circumferential surface of knife bar retaining sleeve is concordant, the second baffle ring 422 by welding with knife bar retaining sleeve
4 fix, and the internal diameter of the first baffle ring 421 and the second baffle ring 422 is equal, and the outside diameter for the limited post 62 that stretches is equal to the first baffle ring 421
Internal diameter, stretches on the outer circumferential surface of limited post 62 and is equipped with spacing ring 621, spacing ring 621 in the position ring close to the second baffle ring 422
Outside diameter it is equal with the outside diameter of the second baffle ring 422, flexible limited post 62 is integrally formed settings with spacing ring 621, compresses spring and leans on
One end of nearly knife bar 1 is connected to the first baffle ring 421, and the one end of compression spring away from knife bar 1 is connected to spacing ring 621.
With reference to Fig. 1 and Fig. 5, the inner wall circumferential array of mounting hole 22 has some limit convexes set along 1 length direction of knife bar
Bar 221, the quantity of spacing raised line 221 is preferably three, and three spacing raised lines 221 are arranged at equal intervals along the circumferential direction of mounting hole 22
Row, are circumferentially arranged with the outer circumferential surface of knife bar 1 and some corresponded with spacing raised line 221 and slide the limiting groove being connected
11, limit hole 61 is arranged along the slot bottom of limiting groove 11, and the limiting groove 11 is set along the length direction of knife bar 1.
As shown in fig. 6, the side wall and slot bottom of limiting groove 11 are respectively arranged with baffle 111 and backing plate 112, the baffle
111 are wholely set with backing plate 112, are provided with backing plate 112 and the one-to-one some perforation 113 of limit hole 61,111 edge of baffle
The circumferencial direction of knife bar 1 stretches out.
With reference to Fig. 3 and Fig. 4, when knife bar 1 is installed to tool apron 2, first by the limiting groove 11 of knife bar 1 and tool apron 2
Spacing raised line 221 corresponds to, and knife bar 1 is slipped into mounting hole 22, adjusts the length of knife bar 1, and screws the outside of knife bar retaining sleeve 4
Nut 5, the inner wall of nut 5 is connected to the flexible one end of limited post 62 away from knife bar 1, and spacing ring 621 is moved to the direction of knife bar 1
Move and flexible limited post 62 is pushed into through hole 42 completely so that flexible limited post 62 is connected to spacing close to one end of knife bar 1
In hole 61, at this time, for spacing ring 621 away from the second baffle ring 422, spring is in compressive state, and complete tightening nut 5 is complete by knife bar 1
It is fixed on entirely on tool apron 2.
With reference to Fig. 7, Fig. 8 and Fig. 9, when knife bar 1 is disassembled from tool apron 2, nut 5 is unscrewed and departs from knife bar retaining sleeve
4, spring, which can open, promotes spacing ring 621 to be moved to the direction away from knife bar 1 so that is connected to flexible spacing in limit hole 61
Column 62 is moved to the direction away from knife bar 1, and departs from limit hole 61, at this time one end and second gear away from spring of spacing ring 621
Ring 422 offsets, and knife bar 1 is taken out from tool apron 2.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. lathe tools, including knife bar（1）And tool apron（2）, the tool apron（2）On be provided with for knife bar（1）The mounting hole of inserting
（22）, the knife bar（1）It is slidably mounted on mounting hole（22）It is interior, it is characterized in that：The mounting hole（22）And in away from tool apron（2）
Side aperture outer rim along knife bar（1）Outer circumferential surface be outward extended with knife bar retaining sleeve（4）, the knife bar retaining sleeve（4）Along circle
Circumferential direction is arranged with some lines of cut（41）, the line of cut（41）Along knife bar retaining sleeve（4）Length direction set, the knife
Bar retaining sleeve（4）Outer circumferential surface on be provided with external screw thread, the knife bar retaining sleeve（4）Outside is provided with and knife bar retaining sleeve（4）
The nut of thread fitting（5）, the knife bar（1）With knife bar retaining sleeve（4）Between circumferentially arranged have multigroup limit assembly（6）,
Every group of limit assembly（6）Including being arranged at knife bar（1）On outer circumferential surface and along knife bar（1）Length direction arrangement some limit holes
（61）With knife bar retaining sleeve（4）On madial wall with limit hole（61）The flexible limited post of clamping（62）.
2. lathe tools according to claim 1, it is characterized in that：The knife bar retaining sleeve（4）Side wall on be provided with confession
Flexible limited post（62）Slide the through hole worn（42）, the flexible limited post（62）Away from knife bar（1）One end extend to it is logical
Hole（42）Outside, the flexible limited post（62）Away from knife bar（1）One end it is hemispherical, and flexible limited post（62）Length it is big
In limit hole（61）Aperture is to knife bar（1）The length of retaining sleeve outer wall；The through hole（42）Inside be provided be connected to it is flexible spacing
Column（62）So that flexible limited post（62）Away from knife bar（1）The return unit of trend（63）.
3. lathe tools according to claim 2, it is characterized in that：The return unit（63）It is described logical using compression spring
Hole（42）Close to knife bar（1）One end aperture edge extend internally and have the first baffle ring（421）, the through hole（42）Away from knife bar
（1）One end be equipped with the second baffle ring（422）, first baffle ring（421）With the second baffle ring（422）Internal diameter it is equal, it is described to stretch
Contracting limited post（62）Outside diameter be equal to the first baffle ring（421）Internal diameter, the flexible limited post（62）Outer circumferential surface on and in by
Nearly second baffle ring（422）Position ring be equipped with spacing ring（621）, the flexible limited post（62）With spacing ring（621）One into
Type is set, and the compression spring is close to knife bar（1）One end be connected to the first baffle ring（421）, the compression spring is away from knife bar
（1）One end be connected to spacing ring（621）.
4. lathe tools according to claim 1, it is characterized in that：The limit hole（61）It is described flexible spacing for circle
Column（62）It is connected in limit hole（61）Interior part is hemispherical.
5. lathe tools according to any one of claims 1 to 4, it is characterized in that：The mounting hole（22）Inner wall week
It is some along knife bar to being arranged with（1）The spacing raised line that length direction is set（221）, the knife bar（1）Outer circumferential surface on circumferentially arrange
Show some and spacing raised line（221）Correspond and slide the limiting groove of connection（11）, the limiting groove（11）Edge
Knife bar（1）Length direction set.
6. lathe tools according to claim 5, it is characterized in that：The spacing raised line（221）Three are provided with, three limits
Position raised line（221）Along mounting hole（22）Circumferential arranged at equal intervals.
7. lathe tools according to claim 6, it is characterized in that：The limiting groove（11）Side wall and slot bottom set respectively
It is equipped with baffle（111）And backing plate（112）, the baffle（111）With backing plate（112）It is wholely set, the backing plate（112）Upper setting
Have and limit hole（61）One-to-one some perforation（113）, the baffle（111）Along knife bar（1）Circumferencial direction to extension
Stretch.
8. lathe tools according to claim 7, it is characterized in that：The knife bar retaining sleeve（4）Away from tool apron（2）One end
Edge is provided with the guiding conical surface（43）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082256.7U CN207239177U (en) | 2017-08-26 | 2017-08-26 | Lathe tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082256.7U CN207239177U (en) | 2017-08-26 | 2017-08-26 | Lathe tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207239177U true CN207239177U (en) | 2018-04-17 |
Family
ID=61883555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721082256.7U Active CN207239177U (en) | 2017-08-26 | 2017-08-26 | Lathe tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207239177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421195A (en) * | 2020-03-13 | 2020-07-17 | 深圳市创智联科技发展有限公司 | Machine threading die chuck for processing external threads |
| WO2022252338A1 (en) * | 2021-06-03 | 2022-12-08 | 南京涵铭置智能科技有限公司 | Curved-surface cutting device and curved-surface cutting method therefor |
-
2017
- 2017-08-26 CN CN201721082256.7U patent/CN207239177U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421195A (en) * | 2020-03-13 | 2020-07-17 | 深圳市创智联科技发展有限公司 | Machine threading die chuck for processing external threads |
| CN111421195B (en) * | 2020-03-13 | 2021-05-14 | 北京航天华世科技股份有限公司 | Machine threading die chuck for processing external threads |
| WO2022252338A1 (en) * | 2021-06-03 | 2022-12-08 | 南京涵铭置智能科技有限公司 | Curved-surface cutting device and curved-surface cutting method therefor |
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