CN106001792A - Portable three-axle linkage numerical control thread milling machine - Google Patents
Portable three-axle linkage numerical control thread milling machine Download PDFInfo
- Publication number
- CN106001792A CN106001792A CN201610349484.XA CN201610349484A CN106001792A CN 106001792 A CN106001792 A CN 106001792A CN 201610349484 A CN201610349484 A CN 201610349484A CN 106001792 A CN106001792 A CN 106001792A
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- Prior art keywords
- lead screw
- base
- direction guide
- portable
- numerical control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/32—Thread cutting; Automatic machines specially designed therefor by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/402—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw in which screw or nut can both be driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
The invention discloses a portable three-axle linkage numerical control thread milling machine, and relates to the technical field of field processing equipment. The portable three-axle linkage numerical control thread milling machine is characterized in that X-direction guide rails and a first transmission lead screw connected with a first lead screw nut in a sleeving manner are arranged on a base; first sliding blocks are arranged on the X-direction guide rails; a mounting seat mounted on the first sliding blocks is connected with the first lead screw nut; Y-direction guide rails and a second transmission lead screw connected with a second lead screw nut in a sleeving manner are arranged on the mounting seat; second sliding blocks are arranged on the Y-direction guide rails; a mounting plate mounted on the second sliding blocks is connected with the second lead screw nut; Z-direction guide rails and a third transmission lead screw connected with a third lead screw nut in a sleeving manner are arranged on the mounting plate; third sliding blocks are arranged on the Z-direction guide rails; a spindle box mounted on the third sliding blocks is connected with the third lead screw nut; a synchronous belt transmission mechanism is arranged in the spindle box; a pull rod is connected with the axis of a driven synchronous wheel; and one end of the pull rod is connected with a cutter head. With the adoption of the portable three-axle linkage numerical control thread milling machine, threads having different thread diameters and different thread pitches can be formed, and the thread precision can be improved.
Description
Technical field
The present invention relates to the technical field of field processing equipment, be specifically related to a kind of portable three-shaft linkage numerical control spiral shell
Stricture of vagina milling machine.
Background technology
Large pressurized vessel is the nucleus equipment of the industries such as water power thermoelectricity, boats and ships, nuclear power, owing to its size is too big,
Factory cannot transport after having manufactured, so often to carry out final processing using scene, pressure vessel divides
The processing of the bolt connecting hole (unthreaded hole or screwed hole) between profile is exactly this situation.Traditional method is to purchase
Putting the main equipment of costliness, bore it, expand, cut with scissors and tapping etc. is processed, process is the most loaded down with trivial details and complicated,
And needing the equipment purchasing a lot of large-scale high-precision just can complete processing, equipment investment is big.Pressure vessel is in fortune
During row, due to the generation of fortuitous event, the indivedual bolts on flange face can be killed, and causes pressure vessel to stop
With, make whole generating set face the risk scrapped, now need to take out the bolt killed, the most also need
Repairing screw, pressure vessel screw reparation is a most arduous and difficult technical barrier, the most still
Without the equipment of special equipment manufacturing research and development similar applications, the only equipment department system of electric power, shipbuilding industry
Making some easy equipment, the mode being aided with artificial reconditioning is repaired, and efficiency is low, of poor quality, has a strong impact on
The running quality of pressure vessel and life-span.Traditional hole processing method, main employing screw tap machine is attacked or manual
The method of tapping realizes.Material Strength this for pressure vessel and the high large-sized bolt hole of hardness, not only process
Difficulty, the most time-consuming, and also precision is the lowest.
Chinese patent application CN200720181685.X discloses a kind of Three-axis numerical control panoramic table miller, mainly wraps
Include the Z numerical-control direct bobbin driving the X digital controlled linear axis mechanism that moves left and right of planker, drive shaft to move up and down
Mechanism, it is driven back to the C numerical control rotary axis mechanism of revolving worktable gyration.It is by arranging rotary table,
Workbench numerical-control direct bobbin in three linear axis of existing Milling Motion in Three-axes NC is become numerical control rotary axle；
When to disk part by performing and carrying out the processing operation of non-rectilinear class with the hole of annular spread or the workpiece etc. of groove, profit
With the gyration of workbench, convenient to processing such as the milling of workpiece, boring, brills, substantially increase disc-like
Part and the production efficiency of the non-rectilinear class processing operation such as workpiece with the hole of annular spread or groove.But this three
Shaft and NC Machining Test rotary table milling machine is the most not readily portable, for needing the main equipment carrying out thread milling to be difficult to play
Effect；Continuing to use traditional method for milling, accuracy of thread is limited, it is impossible in the environment of space interference and restriction are many,
The parts that operating position is undesirable are carried out high precision manipulation.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention aims to provide that one has brill concurrently, milling, boring, screw thread add
Work is in the portable high-accuracy numerical control screw thread process equipment of one.
For achieving the above object, the present invention adopts the following technical scheme that
Portable three-shaft linkage numerical control screw thread milling machine, including:
Base, concavely, this one end concavely forms a U-shaped breach, and base is arranged in this base one end
There is X direction guiding rail, X direction guiding rail is provided with the first slide block that can slide along X direction guiding rail, base also sets up
Having first drive lead screw being parallel to X direction guiding rail, one end of this first drive lead screw connects one first motor
Rotating shaft, this first drive lead screw is socketed with the first feed screw nut；
Being installed on the mounting seat on the first slide block, this mounting seat connects the first feed screw nut, vertically putting down of mounting seat
Being provided with Y-direction guide rail on face, the length direction of horizontally extending Y-direction guide rail is perpendicular to X direction guiding rail
Length direction, Y-direction guide rail is provided with the second slide block that can slide along Y-direction guide rail, mounting seat also sets up
Having second drive lead screw being parallel to Y-direction guide rail, one end of this second drive lead screw connects one second motor
Rotating shaft, this second drive lead screw is socketed with the second feed screw nut；
Being installed on the installing plate on the second slide block, this installing plate connects the second feed screw nut, installing plate with Y-direction
Being provided with Z-direction guide rail on the side that guide rail is relative, the Z-direction guide rail vertically extended is provided with can be along Z
The 3rd slide block that direction guiding rail slides, installing plate is additionally provided with the 3rd drive lead screw being parallel to Z-direction guide rail,
One end of 3rd drive lead screw connects the rotating shaft of one the 3rd motor, and the 3rd drive lead screw is socketed with the 3rd
Stem nut；
Being installed on the main spindle box on the 3rd slide block, this main spindle box connects the 3rd feed screw nut, is provided with in main spindle box
Synchronous belt drive mechanism, this synchronous belt drive mechanism includes active synchronization wheel, driven wheel and the Timing Belt of synchronizing, main
Dynamic synchronization is provided with identical teeth groove on wheel and the driven periphery synchronizing wheel, and the inner circumferential of the Timing Belt of closing sets
Being equipped with the gear teeth being matched with teeth groove, this Timing Belt is taken turns with active synchronization and driven Tong Bu wheel engaged transmission respectively, and one
The rotating shaft of the 4th motor connects the axle center of active synchronization wheel, a pull bar be inserted through the driven axle center synchronizing wheel and with
Driven synchronization takes turns compact siro spinning technology, and one end of this pull bar connects cutterhead through knife bar, wherein the size of the U-shaped breach of base
Being matched with the size of cutterhead, the length direction of this pull bar is perpendicular to base place plane, and this pull bar is sequentially connected with cutter
One end of bar and cutterhead extends along the direction of the U-shaped breach of base.
As a modification of the present invention, this pull bar and the equal hollow of knife bar, the two ends of pull bar form relative opening,
The pull bar inner chamber connected forms compressed air channel with knife bar inner chamber, and pull bar is arranged away from upper outside one end of knife bar
There are screw thread, pull bar that threaded one end is set and form the connection end connecting swivel joint.
As the another kind of improvement of the present invention, the most adjusted pad of mounting seat and nut seat connect the first screw mandrel spiral shell
Mother, the most adjusted pad of installing plate and nut seat connect the second feed screw nut, the most adjusted pad of main spindle box
The 3rd feed screw nut is connected with nut seat.
As the another kind of improvement of the present invention, base is respectively arranged with installing hole on both sides.
As a modification of the present invention, base U-shaped breach is provided with mark on both sides, and this mark is matched with
Cutterhead through U-shaped breach time go out cutter position.
As a further improvement on the present invention, the side of mark is provided with the screw rod for arranging cotton rope, should
One end of screw rod connects base, the other end is positioned at base and is provided with on the side of X direction guiding rail.
The beneficial effects of the present invention is: form spinning motion by synchronous belt drive mechanism, pass through three-shaft linkage
Form revolution motion, so that working angles originates in the milling of inside feed, reconvert becomes into the spiral shell in workpiece
Rotation shape radial feed motion, milling thread during 360 degree of spiral feeds, make the screw thread processed
Precision is higher, and working (machining) efficiency is high, processes identical screw thread, and required time is compared to traditional processing method
Reduce 2 times；The Y-axis guide rail of lathe is arranged in plane vertical with Installing machine tool basal plane before column, shape
Setting up wall-like structure, compact conformation is reasonable, uses flexibly, and part to be processed maintains static, and is pacified by screw-thread miller
Being contained on part to be processed, part is processed by the cutterhead being provided with cutter through the U-shaped breach on base,
It is easy to carry；Pull bar is hollow-core construction, can reduce rub at a high speed by pull bar toward tool parts conveying cooling air
Wipe and produce the mechanical wear that cutter is formed by high temperature, contribute to extending cutting-tool's used life；By at base U
Type breach both sides arrange mark and for the screw rod of sheathed cotton rope, can quick going out cutterhead cutter position and to carry out
The position of screw thread process is mapped, and improves work efficiency, and improves accuracy of thread further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the part-structure schematic diagram after the present invention removes mounting seat；
Fig. 3 is the structural representation synchronizing wheel drive mechanism in the present invention.
Reference: 1, base；11, U-shaped breach；12, installing hole；2, mounting seat；3, installing plate；
41, X direction guiding rail；411, the first slide block；42, Y-direction guide rail；421, the second slide block；43, Z-direction guide rail；
431, the 3rd slide block；51, the first drive lead screw；52, the second drive lead screw；53, the 3rd drive lead screw；
61, the first motor；62, the second motor；63, the 3rd motor；64, the 4th motor；7, main spindle box；81、
Pull bar；82, knife bar；9, cutterhead；101, active synchronization wheel；102, driven synchronization is taken turns；103, Timing Belt；
13, pad is adjusted；14, nut seat；15, the second feed screw nut.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
As shown in Figure 1, Figure 2 and Figure 3, portable three-shaft linkage numerical control screw thread milling machine, including base 1, peace
Dress seat 2, installing plate 3 and main spindle box 7, wherein base 1, mounting seat 2 and installing plate 3 all use in high intensity
Carbon steel sheet forging processing is prepared from, and concavely, this one end formation one concavely is U-shaped in this base 1 one end
Breach 11, base 1 both sides are respectively arranged with installing hole 12, base 1 is provided with two parallel to each other
X direction guiding rail 41, two X direction guiding rails 41 are respectively arranged with the first slide block that can slide along X direction guiding rail 41
411, it is provided with first drive lead screw 51 being parallel to X direction guiding rail 41 between two X direction guiding rails 41, should
One end of first drive lead screw 51 connects the first motor 61 through decelerator, and this first drive lead screw 51 is socketed with
First feed screw nut (not shown), the most adjusted pad of mounting seat 2 13 being installed on the first slide block 411
The first feed screw nut (not shown) is connected with nut seat 14；Two it are provided with on the perpendicular of mounting seat 2
Y-direction guide rail 42 parallel to each other, the length direction of horizontally extending Y-direction guide rail 42 is perpendicular to X
The length direction of direction guiding rail 41, two Y-direction guide rails 42 is respectively arranged with and can slide along Y-direction guide rail 42
Second slide block 421, is provided with second driving wire being parallel to Y-direction guide rail 42 between two Y-direction guide rails 42
Bar 52, one end of this second drive lead screw 52 connects the second motor 62, wherein the second motor 62 through decelerator
It is respectively arranged at mounting seat 2 both sides with corresponding decelerator, and the second motor 62 and corresponding decelerator can
Exchange position it is configured as required, this second drive lead screw 52 is socketed with the second feed screw nut 15,
The most adjusted pad of installing plate 3 13 and the nut seat 14 that are installed on the second slide block 421 connect the second screw mandrel
Nut 15；Installing plate 3 is provided with two Z-directions parallel to each other on the side relative with Y-direction guide rail 42 and leads
Rail 43, two the Z-direction guide rails 43 vertically extended are respectively arranged with and can slide along Z-direction guide rail 43
The 3rd slide block 431, be provided with the 3rd transmission being parallel to Z-direction guide rail 43 between two articles of Z-direction guide rails 43
Screw mandrel 53, one end of the 3rd drive lead screw 53 connects the 3rd motor 63, the 3rd drive lead screw through decelerator
The 3rd feed screw nut (not shown) it is socketed with, main spindle box 7 warp successively being installed on the 3rd slide block 431 on 53
Adjust pad 13 and nut seat 14 connects the 3rd feed screw nut (not shown)；It is provided with synchronization in main spindle box 7
Tape handler, this synchronous belt drive mechanism includes active synchronization wheel 101, driven synchronization wheel 102 and Timing Belt
103, active synchronization wheel 101 and the driven periphery synchronizing wheel 102 are provided with identical teeth groove, closing
Being provided with the gear teeth being matched with teeth groove in the inner circumferential of Timing Belt 103, this Timing Belt 103 is taken turns with active synchronization respectively
101 and driven synchronize wheel 102 engaged transmission, one the 4th motor 64 through decelerator connect active synchronization wheel 101
Axle center；The pull bar 81 of one hollow be inserted through driven synchronize wheel 102 axle center and with driven synchronization wheel 102
Compact siro spinning technology, one end of this pull bar 81 connects cutterhead 9, wherein U-shaped breach 11 on base 1 through knife bar 82
Size be matched with the size of cutterhead 9, the length direction of this pull bar 81 is perpendicular to base 1 place plane, should
Pull bar 81 is sequentially connected with the one end direction extension along U-shaped breach 11 of knife bar 82 and cutterhead 9, wherein base
On 1, the size of U-shaped breach 11 is matched with the size of cutterhead 9, and the length direction of this pull bar 81 is perpendicular to base
1 place plane, this cutterhead 9 is used for being threaded the cutters such as milling cutter, pull bar 81 and the equal hollow of knife bar 82, draws
The two ends of bar 81 form relative opening, and pull bar 81 inner chamber of connection forms compressed air with knife bar 82 inner chamber
Passage, pull bar 81 is provided with screw thread on outside one end of knife bar 82, and pull bar 81 arranges threaded one
End forms the connection end connecting swivel joint, can be by the opening on this connection end toward conveying cooling in pull bar 81
Air thus play cooling tool parts effect.It is provided with mark on U-shaped breach 11 both sides on base 1
Knowing (not shown), this mark is matched with cutterhead 9 through going out cutter position during U-shaped breach 11, the side of mark
The screw rod (not shown) for arranging cotton rope it is provided with, at the bottom of one end connection of this screw rod (not shown) on limit
Seat 1, the other end are positioned at base 1 and are provided with on the side of X direction guiding rail 41.
The present invention apply kill on main equipment screwed hole at bolt, can not be in the case of staff takes out, can
Portable three-shaft linkage numerical control screw thread milling machine complete machine is fastened on this main equipment by base 1 and frock,
Fixing connect before, go out cutter position toward the upper sheathed cotton rope of screw rod (not shown) with determine cutterhead 9, with need to
The position alignment of milling thread to be carried out goes out the mode of cutter position and is fastened on this main equipment by base 1；
Installation end face milling cutters on cutterhead 9, under motor drives, by the gearing of synchronous belt drive mechanism, end
Face milling cutters do rotation movement, and X-axis is done circular interpolation motion, coordinated Z axis to move with Y-axis, makes face cutter transport
Dynamic track is helix shape, so that working angles originates in the milling of inside feed, reconvert becomes into workpiece
In the motion of helical form radial feed, through U-shaped scarce on base 1 during 360 degree spiral feeds
Mouth 11 carries out milling thread；After the whole mill off of the bolt killed inside screwed hole, by servo the 3rd motor 63
Control main spindle box 7 inner part up to exit.Then on cutterhead 9, screw cutter is changed, by X-axis driving, Y
Axle drives, Z axis drives coordinated signals, makes cutterhead 9 helical form radial feed move, to firm finished screw thread
Hole further thread milling processing, i.e. processes the screw thread made new advances.Finally, servo the 3rd motor 63 master is controlled
Axle box 7 inner part up exits, and closes hull closure, completes screw, screw thread process.
The present invention considers and can there is many interference spatially in on-the-spot processing environment, so compact equipment,
Portability is overriding concern key element；The present invention is directed to exist the processing site design of many space interferences, therefore skill
Art is with clearly defined objective, and technology relates to the most accurate and effective；It is applicable to the on-the-spot processing behaviour of the industry such as boats and ships, nuclear power
Make.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other
Various corresponding changes and deformation, and all these changes and deformation all should belong to right of the present invention and want
Within the protection domain asked.
Claims (6)
- The most portable three-shaft linkage numerical control screw thread milling machine, it is characterised in that including:Base, concavely, this one end concavely forms a U-shaped breach, and base is arranged in this base one end There is X direction guiding rail, X direction guiding rail is provided with the first slide block that can slide along X direction guiding rail, base also sets up Having first drive lead screw being parallel to X direction guiding rail, one end of this first drive lead screw connects one first motor Rotating shaft, this first drive lead screw is socketed with the first feed screw nut；Being installed on the mounting seat on the first slide block, this mounting seat connects the first feed screw nut, vertically putting down of mounting seat Being provided with Y-direction guide rail on face, the length direction of horizontally extending Y-direction guide rail is perpendicular to X direction guiding rail Length direction, Y-direction guide rail is provided with the second slide block that can slide along Y-direction guide rail, mounting seat also sets up Having second drive lead screw being parallel to Y-direction guide rail, one end of this second drive lead screw connects one second motor Rotating shaft, this second drive lead screw is socketed with the second feed screw nut；Being installed on the installing plate on the second slide block, this installing plate connects the second feed screw nut, installing plate with Y-direction Being provided with Z-direction guide rail on the side that guide rail is relative, the Z-direction guide rail vertically extended is provided with can be along Z The 3rd slide block that direction guiding rail slides, installing plate is additionally provided with the 3rd drive lead screw being parallel to Z-direction guide rail, One end of 3rd drive lead screw connects the rotating shaft of one the 3rd motor, and the 3rd drive lead screw is socketed with the 3rd Stem nut；Being installed on the main spindle box on the 3rd slide block, this main spindle box connects the 3rd feed screw nut, is provided with in main spindle box Synchronous belt drive mechanism, this synchronous belt drive mechanism includes active synchronization wheel, driven wheel and the Timing Belt of synchronizing, main Dynamic synchronization is provided with identical teeth groove on wheel and the driven periphery synchronizing wheel, and the inner circumferential of the Timing Belt of closing sets Being equipped with the gear teeth being matched with teeth groove, this Timing Belt is taken turns with active synchronization and driven Tong Bu wheel engaged transmission respectively, its In the driven circumference place plane synchronizing wheel be parallel to base place plane, the rotating shaft of one the 4th motor connects actively Synchronize wheel axle center, a pull bar be inserted through driven synchronize wheel axle center and with driven Tong Bus wheel compact siro spinning technology, be somebody's turn to do One end of pull bar connects cutterhead through knife bar, and wherein the size of the U-shaped breach of base is matched with the size of cutterhead, and this draws The length direction of bar is perpendicular to base place plane, and this pull bar is sequentially connected with one end of knife bar and cutterhead along base U The direction of type breach extends.
- Portable three-shaft linkage numerical control screw thread milling machine the most as claimed in claim 1, it is characterised in that this pull bar Hollow equal with knife bar, the two ends of pull bar form relative opening, and the pull bar inner chamber of connection forms pressure with knife bar inner chamber Contracting air duct, pull bar is provided with screw thread on outside one end of knife bar, and pull bar arranges threaded one end shape Become to connect the connection end of swivel joint.
- Portable three-shaft linkage numerical control screw thread milling machine the most as claimed in claim 1, it is characterised in that mounting seat The most adjusted pad and nut seat connect the first feed screw nut, and the most adjusted pad of installing plate and nut seat are even Meeting the second feed screw nut, the most adjusted pad of main spindle box and nut seat connect the 3rd feed screw nut.
- Portable three-shaft linkage numerical control screw thread milling machine the most as claimed in claim 1, it is characterised in that base two Installing hole it is respectively arranged with on side.
- Portable three-shaft linkage numerical control screw thread milling machine the most as claimed in claim 1, it is characterised in that base U Type breach is provided with mark on both sides, this mark be matched with cutterhead through U-shaped breach time go out cutter position.
- Portable three-shaft linkage numerical control screw thread milling machine the most as claimed in claim 5, it is characterised in that mark Being provided with the screw rod for arranging cotton rope on side, one end of this screw rod connects base, the other end is positioned at base It is provided with on the side of X direction guiding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349484.XA CN106001792B (en) | 2016-05-23 | 2016-05-23 | Portable three-shaft linkage numerical control screw thread milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349484.XA CN106001792B (en) | 2016-05-23 | 2016-05-23 | Portable three-shaft linkage numerical control screw thread milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN106001792A true CN106001792A (en) | 2016-10-12 |
| CN106001792B CN106001792B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610349484.XA Active CN106001792B (en) | 2016-05-23 | 2016-05-23 | Portable three-shaft linkage numerical control screw thread milling machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106938397A (en) * | 2017-05-02 | 2017-07-11 | 四川盛弘机械有限公司 | Multi-axle multi-station endoporus cuts with scissors top gem of a girdle-pendant lathe |
| CN112025004A (en) * | 2020-09-01 | 2020-12-04 | 东风柳州汽车有限公司 | Internal thread milling method, equipment, storage medium and device |
| CN112139815A (en) * | 2020-10-12 | 2020-12-29 | 中国科学院光电技术研究所 | Portable three-coordinate thread machining device and using method thereof |
| CN112643103A (en) * | 2020-12-21 | 2021-04-13 | 重庆江增船舶重工有限公司 | Machining method and matching machining method for triangular pyramid profile of turbocharger |
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| CN106938397A (en) * | 2017-05-02 | 2017-07-11 | 四川盛弘机械有限公司 | Multi-axle multi-station endoporus cuts with scissors top gem of a girdle-pendant lathe |
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| CN112643103A (en) * | 2020-12-21 | 2021-04-13 | 重庆江增船舶重工有限公司 | Machining method and matching machining method for triangular pyramid profile of turbocharger |
| CN112643103B (en) * | 2020-12-21 | 2023-03-10 | 重庆江增船舶重工有限公司 | Machining method and matching machining method for triangular pyramid profile of turbocharger |
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| CN106001792B (en) | 2017-12-15 |
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