CN109014263A - One kind is adjustable to cross position tool shanks and its adjusting method - Google Patents
One kind is adjustable to cross position tool shanks and its adjusting method Download PDFInfo
- Publication number
- CN109014263A CN109014263A CN201810925775.8A CN201810925775A CN109014263A CN 109014263 A CN109014263 A CN 109014263A CN 201810925775 A CN201810925775 A CN 201810925775A CN 109014263 A CN109014263 A CN 109014263A
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- ring
- adjusting
- adjusts
- adjustable
- cylindrical body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/006—Conical shanks of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to machine tooling technical fields, open one kind is adjustable to cross position tool shanks and its adjusting method, knife handle includes cone portion and cylindrical body portion, cone portion is for being fixedly mounted in the conical bore of machine tool chief axis front end, the rear end in cylindrical body portion, which has, adjusts section, it adjusts to be set in section and adjusts ring one, adjusting can be moved axially on adjusting section by adjusting ring one, ring one is adjusted for holding out against front-end of spindle face backward, there is external screw thread in cylindrical body portion, ring two is adjusted for being threadedly coupled one, adjusting can be moved axially in cylindrical body portion by adjusting ring two, it adjusts ring two and adjusts ring one for holding out against backward.Structure of the invention is stable and reasonable, it is low in cost, it can conveniently and efficiently adjust and adjust ring one and front-end of spindle face contact and hold out against, it adjusts high-efficient, it is good to the adaptability of different lathes and different gap value, it no longer needs to specific aim and carries out a large amount of match grinding work, reduce labor intensity of workers, improve installation effectiveness.
Description
Technical field
The present invention relates to machine tooling technical field, in particular to a kind of adjustable position tool shanks and its adjusting method excessively.
Background technique
The knife handle used under general operating condition, is mounted on lathe, after lathe pulling claw tenses knife handle, knife handle 20 and front-end of spindle
There is gap in face 7, as shown in Figure 1；Cross 21 dual contact of taper shank and knife handle end face of flange that position tool shanks refer mainly to knife handle, wherein
Knife handle end face of flange 21 is just bonded when lathe tenses knife handle with machine tool chief axis front end face 7 and holds out against and realize positioning, such as Fig. 2
It is shown.
Currently, position tool shanks mass production and use is crossed, such as HSK handle, capto handle, the BIG-PLUSD of Japanese BIG
Knife handle, the heavy of komet cross position tool shanks etc..Wherein, first three knife handle is monoblock type, that is, passes through knife handle precision manufactureing,
And micro-deformation when being tensed by knife handle, realize that the main handle of knife handle and end face have a magnitude of interference of 0.005um or so, this kind of knife handle because
The accuracy of manufacture is high, expensive, and is also had higher requirements to knife handle using lathe.Knife is used in the BT60 heavy type processing of komet company
Handle is usually nonstandard manufacture, there is monoblock type, also has in standard shank plus adjustment gasket reached locating effect, need knife handle and machine
Bed pairing was used to ensure that locating effect.
Komet adds adjustment gasket knife handle to respectively correspond measurement knife exactly according to the specific knife handle used on different lathes
Handle end face of flange and machine tool chief axis front end face gap, as shown in Figure 1.According to actual measurement end clearance value, match grinding suitable thickness
Gasket is adjusted, the adjusting pad piece with milled is mounted on corresponding knife handle, specified lathe (measuring the lathe of end face gap width)
Upper use reaches knife handle and crosses positioning using effect, this is also to cross position tool shanks at present largely to use technology, has to lathe and adapts to
Property.This position tool shanks of crossing are really a kind of " preparations " method, same machine tool chief axis and different knife handles or same knife handle and difference
Machine tool chief axis front end face gap is random, as soon as measuring a gap width, needs match grinding to be corresponding to it and adjusts gasket, such match grinding pad
The piece time is long, at high cost, and can only use on specified lathe and knife handle.
As it can be seen that because of the randomness of end clearance, the enormous amount of adjustment gasket manufacture, manufacturing time is long, human cost and
Time cost is high, and must use by specified lathe and knife handle, cannot arbitrarily change, and also brings to knife handle and adjustment gasket management
Huge workload.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, providing adjustable cross of one kind and positioning
Knife handle and its adjusting method, stable structure and rationally is low in cost, can conveniently and efficiently adjust and adjust ring one and front-end of spindle
Face contact is simultaneously held out against, and adjusting is high-efficient, good to the adaptability of different lathes and different gap value, is no longer needed to specific aim and is carried out largely
Match grinding work, reduce labor intensity of workers, improve installation effectiveness.
The technical solution adopted by the invention is as follows: it is a kind of it is adjustable cross position tool shanks, the knife handle include cone portion and
Cylindrical body portion, the cone portion is for being fixedly mounted in the conical bore of machine tool chief axis front end, the rear end in the cylindrical body portion
With section is adjusted, it is set in the adjusting section and adjusts ring one, the adjusting ring one can move axially tune in the adjusting section
Section, the adjusting ring one have external screw thread, connect for screw thread for holding out against the front-end of spindle face backward in the cylindrical body portion
An adjusting ring two is connect, the adjusting ring two can move axially adjusting in the cylindrical body portion, and the adjusting ring two is for backward
Hold out against the adjusting ring one.
So set, conveniently and efficiently adjusting ring one and front-end of spindle face contact, then by adjusting two pushing tow tune of ring
Save ring one, it made to hold out against front-end of spindle face, and lock and adjust ring one, adjust it is high-efficient, to different lathes and different gap value
Adaptability is good, no longer needs to specific aim and carries out a large amount of match grinding work, reduces labor intensity of workers, improve installation effectiveness.
One kind of the present invention is adjustable to cross position tool shanks, and the rear end in the cylindrical body portion, which has, adjusts step, described
For regulating platform component level in the front end for adjusting section, the external screw thread is set to the outer round surface for adjusting step, the adjusting
Ring two is threadedly coupled with the adjusting step.
So set, external screw thread, which is directly arranged at, adjusts step outer round surface, it can be determined and be adjusted according to external screw thread axial length
The axial length of step is saved, only external screw thread need to be set in one section of axial distance in cylindrical body portion, without adjusting step front end
Cylinder body outer surface open up external screw thread, saved external screw thread process time.
One kind of the present invention is adjustable to cross position tool shanks, and the front end for adjusting ring one has inner conical surface, the tune
The rear end for saving ring two has male cone (strobilus masculinus), and the male cone (strobilus masculinus) is for being bonded and holding out against the inner conical surface and be adapted.
So set, adjust ring two pushing tow backward adjust ring for the moment, adjust ring two male cone (strobilus masculinus) with adjusting ring one it is interior
Conical surface fitting contact, so that adjusting ring two is given to the resultant direction for adjusting ring one perpendicular to inner conical surface and male cone (strobilus masculinus), including axial direction
Component and radial component, be more advantageous to and adjust ring two and reliablely and stablely hold out against ring one is adjusted in front-end of spindle face.
One kind of the present invention is adjustable to cross position tool shanks, and the adjusting section connects with cone portion front end, and
The diameter for adjusting section is not less than the maximum gauge of cone portion front end.
So set, making adjusting ring one that can successfully move axially and contact front-end of spindle face, axial shifting is avoided the occurrence of
Dynamic step obstacle.
One kind of the present invention is adjustable to cross position tool shanks, and the diameter for adjusting section is less than or equal to externally threaded small
Diameter.
So set, rotate adjusting ring two can successfully and then move axially and contact to adjust ring one, avoid the occurrence of
The step obstacle of axial movement.
One kind of the present invention is adjustable to cross position tool shanks, and the rear end for adjusting ring one has annular convex platform, described
The outer diameter of annular convex platform is identical as the outer diameter of the front-end of spindle, and the annular convex platform is for holding out against the front-end of spindle face.
So set, being directed to the actual outside diameter of front-end of spindle, the ring to match with its outer diameter is set adjusting one rear end of ring
The end face of shape boss, annular convex platform just can touch and hold out against with front-end of spindle face paste splice grafting, more smart for the transmitting of jacking force
It is really reliable.
One kind of the present invention is adjustable to cross position tool shanks, and the external screw thread region in the cylindrical body portion is threaded with lock
Tight ring, the retaining ring are located at two front end of adjusting ring, and the retaining ring is for locking the adjusting ring two.
So set, retaining ring is rotatable and moves axially, so that its locking is adjusted ring two, prevents in knife handle use process,
Adjusting two unintentional rotation of ring causes to adjust the loosening of ring one and influenced locating effect.
One kind of the present invention is adjustable to cross position tool shanks, and the external screw thread nested domain in the cylindrical body portion is equipped with spring pad
Piece, the spring shim is between the adjusting ring two and the retaining ring.
It is adjusted between ring two and retaining ring so set, spring shim is located at, is given to adjusts ring two and locking annulate shaft respectively
To power, retaining ring unintentional rotation can be further prevented.
One kind of the present invention is adjustable to cross position tool shanks, the outer circle for adjusting ring one, adjusting ring two and retaining ring
Zhou Shangjun offers clamp breach, and the clamp breach can be clamped with spanner.
So set, clamp breach convenient wrench clipping operation.
The adjustable adjusting method for crossing position tool shanks of one kind of the present invention,
Firstly, the cone portion of knife handle is inserted into the conical bore of machine tool chief axis, by blind rivet precession cone portion rear end axial direction
Threaded hole and knife handle is tightened on main shaft；
Then, according to gap between one rear end of ring and front-end of spindle face is adjusted, its axial direction is made using spanner rotating adjustment ring together
It is moved to initial contact front-end of spindle face, then uses spanner rotating adjustment ring two, it is pushed up to making to adjust ring one, and drives tune
Section ring one holds out against front-end of spindle face；
Finally, suit upper spring gasket, then retaining ring is screwed in, spring shim is pressed in and is adjusted between ring two and retaining ring.
By the above method, it can conveniently and efficiently adjust and adjust ring one and front-end of spindle face contact and hold out against, stabilization can
It leans on, adjusts high-efficient.
Compared with prior art, by adopting the above technical scheme have the beneficial effect that structure of the invention is stable and rationally, cost
It is cheap, can conveniently and efficiently adjust and adjust ring one and front-end of spindle face contact and hold out against, adjust it is high-efficient, to different lathes with
The adaptability of different gap value is good, no longer needs to specific aim and carries out a large amount of match grinding work, reduces labor intensity of workers, improve
Installation effectiveness, and then the processing efficiency of locomotive can be improved.
Detailed description of the invention
There are the schematic diagrames in gap with knife handle end face of flange in front-end of spindle face when Fig. 1 is tradition assembly；
The schematic diagram in gap is not present in front-end of spindle face and knife handle end face of flange when Fig. 2 is tradition assembly；
Fig. 3 is the cross-sectional view of main shaft in the present invention；
Fig. 4 is schematic structural view of the invention；
Fig. 5 is the structural schematic diagram that present invention removal adjusts ring one, adjusts ring two, spring shim and retaining ring；
Fig. 6 is the structural schematic diagram that ring one is adjusted in the present invention；
Fig. 7 is the cross-sectional view that ring one is adjusted in the present invention；
Fig. 8 is the structural schematic diagram that ring two is adjusted in the present invention；
Fig. 9 is the structural schematic diagram of retaining ring in the present invention.
Appended drawing reference: 1 is cone portion, and 2 be cylindrical body portion, and 3 be main shaft, and 4 be conical bore, and 5 is adjust section, and 6 be to adjust
Ring one, 7 be main shaft front end face, and 8 be external screw thread, and 9 is adjust ring two, and 10 is adjust step, and 11 be inner conical surface, and 12 be male cone (strobilus masculinus),
13 be annular convex platform, and 14 be retaining ring, and 15 be spring shim, and 16 be clamp breach, and 17 be positioning spline, and 18 be notch, and 19 are
Plane, 20 be knife handle, and 21 be knife handle end face of flange.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Illustrate: the direction in the application is defined, front-rear direction is knife handle axial direction, is towards cylindrical body portion direction
" preceding " is " rear " towards cone portion direction.
Embodiment 1
As shown in Fig. 3 to 8, one kind is adjustable to cross position tool shanks, and knife handle includes cone portion 1 and cylindrical body portion 2, cone portion 1
From back to front, outer diameter is gradually increased, and cone portion 1 is for being fixedly mounted in the conical bore 4 of 3 front end of machine tool chief axis, cone
The rear end in portion 1 has axial threaded hole (not shown), this threaded hole is used to be threadedly coupled with blind rivet (not shown),
There is pulling claw (not shown), pulling claw firmly grasps blind rivet, and pulling claw and blind rivet are this field existing structure, and realizing will in main shaft 3
Knife handle is strained and fixed in the conical bore 4 of 3 front end of main shaft, and tool is there are two positioning spline 17 on knife handle, two positioning keys on main shaft 3
One end of (not shown), which respectively corresponds, to be installed in positioning spline 17, and the front end in cylindrical body portion 2 is for installing process tool
(not shown), the rear end in cylindrical body portion 2, which has, adjusts section 5, adjusts section 5 and connects with 1 front end of cone portion, adjusts in section 5
It is set with and adjusts ring 1, the internal diameter for adjusting ring 1 is identical as the diameter of section 5 is adjusted, and adjusts corresponding on ring 1 offer for fixed
The notch 18 that position key passes through, adjusting can be moved axially on adjusting section 5 by adjusting ring 1, adjust ring 1 for holding out against main shaft backward
Front end face 7 has external screw thread 8 in cylindrical body portion 2, adjusts ring 29 for being threadedly coupled one, herein specifically by 8 size of external screw thread
It is set as M80x3, adjusting can be moved axially in cylindrical body portion 2 by adjusting ring 29, adjust ring 29 for holding out against adjusting ring backward
One 6, it adjusts ring 1 and is located at adjusting 29 rear end of ring, adjust the rear end face of ring 1 for holding out against front-end of spindle face 7 backward, adjust
The rear end of ring 29 is used to hold out against the front end for adjusting ring 1 backward.
Further, the rear end in cylindrical body portion 2, which has, adjusts step 10, adjusts step 10 and is located at the front end for adjusting section 5, outside
Screw thread 8 is set to the outer round surface for adjusting step 10, adjusts ring 29 and is threadedly coupled with step 10 is adjusted, and adjusts 10 rear end of step
Connect with 5 front end of section is adjusted, the diameter for adjusting step 10 is greater than the diameter in cylindrical body portion 2, and positioning spline 17, which is located at, adjusts step
In 10, adjusting tool in section 5, there are two plane 19 corresponding with two positioning splines 17 respectively, two planes 19 are logical for positioning key
It crosses.
Embodiment 2
As shown in Fig. 6 to 8, on the basis of embodiment 1, the front end for adjusting ring 1 has inner conical surface 11, after adjusting ring 29
End has male cone (strobilus masculinus) 12, and for male cone (strobilus masculinus) 12 for being bonded and holding out against inner conical surface 11 and be adapted, male cone (strobilus masculinus) 12 is annular, inner conical surface
11 include two segmental arc compositions, and two segmental arcs are divided by two notches 18 on adjusting ring 1.
Embodiment 3
It on the basis of embodiment 2, adjusts section 5 and connects with 1 front end of cone portion, and the diameter for adjusting section 5 is not less than cone
The maximum gauge of 1 front end of portion, the diameter for adjusting section 5 are less than or equal to the path of external screw thread 8, the tangent imagination with 8 tooth bottom of external screw thread
The diameter of cylinder is known as path.
Embodiment 4
As shown in Fig. 4,6 and 7, on the basis of embodiment 3, the rear end for adjusting ring 1 has annular convex platform 13, annular convex platform 13
Outer diameter it is identical as the outer diameter of 3 front end of main shaft, the internal diameter of annular convex platform 13 is identical as the internal diameter of ring 1 is adjusted, annular convex platform 13
For holding out against front-end of spindle face 7, specifically, two notches 18 run through annular convex platform 13, and annular convex platform 13 is divided into two arcs
Shape part.
Embodiment 5
As shown in Fig. 4,6,8 and 9, on the basis of embodiment 4,8 region of external screw thread in cylindrical body portion 2 is threaded with retaining ring
14, retaining ring 14, which is located at, adjusts 29 front end of ring, and retaining ring 14 adjusts ring 29,8 region of external screw thread in cylindrical body portion 2 for locking
It is set with spring shim 15, spring shim 15, which is located at, to be adjusted between ring 29 and retaining ring 14, is adjusted ring 1, is adjusted ring 29, bullet
Spring gasket 15 is identical with the outer diameter of retaining ring 14, adjusts and offers on the excircle of ring 1, adjusting ring 29 and retaining ring 14
Clamp breach 16 can clamp clamp breach 16 with spanner.
A kind of adjustable adjusting method for crossing position tool shanks:
Firstly, the cone portion 1 of knife handle is inserted into the conical bore 4 of machine tool chief axis 3, by blind rivet (not shown) precession circle
Knife handle is simultaneously tightened on main shaft 3 by the threaded hole of 1 rear end of cone portion axial direction；
Then, according to gap between one 6 rear end of ring and front-end of spindle face 7 is adjusted, using spanner rotating adjustment ring 1 and make its axis
To initial contact front-end of spindle face 7 is moved to, then use spanner rotating adjustment ring 29, make its push up to make adjust ring 1, and
Adjusting ring 1 is driven to hold out against front-end of spindle face 7；
Finally, suit upper spring gasket 15, then retaining ring 14 is screwed in, spring shim 15 is pressed in and adjusts ring 29 and retaining ring
Between 14.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (10)
1. one kind is adjustable to cross position tool shanks, the knife handle includes cone portion (1) and cylindrical body portion (2), the cone portion
(1) for being fixedly mounted in the conical bore (4) of machine tool chief axis (3) front end, it is characterised in that: after the cylindrical body portion (2)
End, which has, adjusts section (5), is set on the adjusting section (5) and adjusts ring one (6), the adjusting ring one (6) can be in the adjusting
It moves axially and adjusts in section (5), the adjusting ring one (6) for holding out against the front-end of spindle face (7), the cylindrical body portion backward
(2) there are external screw thread (8) on, adjust ring two (9) for being threadedly coupled one, the adjusting ring two (9) can be in the cylindrical body portion
(2) it moves axially and adjusts on, the adjusting ring two (9) for holding out against the adjusting ring one (6) backward.
2. one kind according to claim 1 is adjustable to cross position tool shanks, it is characterised in that: after the cylindrical body portion (2)
End, which has, adjusts step (10), and described adjust step (10) are located at the front end for adjusting section (5), external screw thread (8) setting
In the outer round surface for adjusting step (10), the adjusting ring two (9) is threadedly coupled with the adjusting step (10).
3. one kind according to claim 1 is adjustable to cross position tool shanks, it is characterised in that: before the adjusting ring one (6)
End has inner conical surface (11), and the rear end for adjusting ring two (9) has male cone (strobilus masculinus) (12), and the male cone (strobilus masculinus) (12) is for being bonded simultaneously
It holds out against the inner conical surface (11) and is adapted.
4. one kind according to claim 1 is adjustable to cross position tool shanks, it is characterised in that: the adjusting section (5) with it is described
Cone portion (1) front end connects, and the diameter for adjusting section (5) is not less than the maximum gauge of cone portion (1) front end.
5. one kind according to claim 1 is adjustable to cross position tool shanks, it is characterised in that: the diameter for adjusting section (5)
Less than or equal to the path of external screw thread (8).
6. one kind according to claim 1 is adjustable to cross position tool shanks, it is characterised in that: after the adjusting ring one (6)
End has annular convex platform (13), and the outer diameter of the annular convex platform (13) is identical as the outer diameter of the main shaft (3) front end, the annular
Boss (13) is for holding out against the front-end of spindle face (7).
7. one kind according to any one of claims 1 to 6 is adjustable to cross position tool shanks, it is characterised in that: the cylindrical body
External screw thread (8) region in portion (2) is threaded with retaining ring (14), before the retaining ring (14) is located at the adjusting ring two (9)
End, the retaining ring (14) is for locking the adjusting ring two (9).
8. one kind according to claim 7 is adjustable to cross position tool shanks, it is characterised in that: outside the cylindrical body portion (2)
Screw thread (8) nested domain is equipped with spring shim (15), and the spring shim (15) is located at the adjusting ring two (9) and the retaining ring
(14) between.
9. one kind according to claim 7 is adjustable to cross position tool shanks, it is characterised in that: the adjusting ring one (6) is adjusted
Clamp breach (16) are offered on ring two (9) and the excircle of retaining ring (14), the clamp breach can be clamped with spanner
(16).
10. a kind of adjustable adjusting method for crossing position tool shanks as claimed in claim 8, it is characterised in that:
Firstly, the cone portion (1) of knife handle is inserted into the conical bore (4) of machine tool chief axis (3), by blind rivet precession cone portion
(1) threaded hole of rear end axial direction and knife handle is tightened on main shaft (3)；
Then, according to gap between ring one (6) rear end and front-end of spindle face (7) is adjusted, simultaneously using spanner rotating adjustment ring one (6)
So that it is moved axially to initial contact front-end of spindle face (7), then use spanner rotating adjustment ring two (9), pushes up it to making to adjust
It saves ring one (6), and adjusting ring one (6) is driven to hold out against front-end of spindle face (7)；
Finally, suit upper spring gasket (15), then retaining ring (14) are screwed in, spring shim (15) is pressed in and adjusts ring two (9)
Between retaining ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925775.8A CN109014263B (en) | 2018-08-15 | 2018-08-15 | Adjustable over-positioning knife handle and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925775.8A CN109014263B (en) | 2018-08-15 | 2018-08-15 | Adjustable over-positioning knife handle and adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109014263A true CN109014263A (en) | 2018-12-18 |
| CN109014263B CN109014263B (en) | 2020-04-21 |
Family
ID=64631193
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810925775.8A Active CN109014263B (en) | 2018-08-15 | 2018-08-15 | Adjustable over-positioning knife handle and adjusting method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109014263B (en) |
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| US20210016365A1 (en) * | 2019-07-15 | 2021-01-21 | Algra S.P.A. | Device for the controlled stabilization of tool holder shanks |
| CN113369988A (en) * | 2021-06-25 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | Automatic alignment device and method for machine tool angle head |
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| CN111958525A (en) * | 2020-06-30 | 2020-11-20 | 北京航天控制仪器研究所 | Hierarchical formula fine setting frock clamp of case axle subassembly |
| CN113369988A (en) * | 2021-06-25 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | Automatic alignment device and method for machine tool angle head |
| CN113369988B (en) * | 2021-06-25 | 2022-03-15 | 成都飞机工业（集团）有限责任公司 | Automatic alignment device and method for machine tool angle head |
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| CN109014263B (en) | 2020-04-21 |
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