CN105458707B - The device for automatically molding of graphite air pump rotor - Google Patents
The device for automatically molding of graphite air pump rotor Download PDFInfo
- Publication number
- CN105458707B CN105458707B CN201510965143.0A CN201510965143A CN105458707B CN 105458707 B CN105458707 B CN 105458707B CN 201510965143 A CN201510965143 A CN 201510965143A CN 105458707 B CN105458707 B CN 105458707B
- Authority
- CN
- China
- Prior art keywords
- milling
- lathe
- sliding axle
- sliding
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
-
- 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
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Turning (AREA)
Abstract
The purpose of the present invention is to propose to a kind of device for automatically molding for the graphite air pump rotor for improving machining accuracy and processing efficiency.The device for automatically molding includes the lathe with knife rest, main shaft, chuck and planker, double end milling mechanism is installed on the knife rest of the lathe, milling slotting mechanism is installed, the front end of the lathe is provided with the spindle drive for controlling lathe spindle rotation and angle on the planker of the lathe；The double end milling mechanism includes the milling head bearing being fixed on knife rest, and the milling head bearing is provided with horizontal rotating shaft, and the both ends of the shaft are equipped with milling cutter, and shaft is driven by the first motor being fixed on milling head bearing；The milling slotting mechanism includes the base being fixed on planker, is installed with sliding shaft sleeve on the base, sliding axle is movably installed with the sliding shaft sleeve, one end of the sliding axle is provided with straight-tooth cutter；The milling slotting mechanism is additionally provided with the adjuster for controlling sliding axle to be moved along sliding shaft sleeve.
Description
Technical field
The invention belongs to technical field of mechanical processing, is related specifically to a kind of device for automatically molding of graphite air pump rotor.
Background technology
The traditional diamond-making technique of graphite air pump rotor is that end face, cylindrical and endoporus processing are completed on lathe, in milling machine
Axial groove and the radially inside processing of groove on the outside of upper completion, the right angle processing of radial groove is completed on slotting machine, that is, is needed
At least three kinds of equipment, clamp to complete three times.It is more due to the use of equipment, clamp often, be primarily present problems with：1st, add
Work is of high cost；2nd, processing efficiency is low；3rd, machining accuracy can not ensure.
The content of the invention
The purpose of the present invention is to propose to a kind of automatic moulding for the graphite air pump rotor for improving machining accuracy and processing efficiency
Device.
The device for automatically molding of the graphite air pump rotor of the present invention includes the lathe with knife rest, main shaft, chuck and planker,
Key is to be provided with double end milling mechanism on the knife rest of the lathe, and milling slotting mechanism is provided with the planker of the lathe,
The front end of the lathe is provided with the spindle drive for controlling lathe spindle rotation and angle；The double end milling mechanism
Including the milling head bearing being fixed on knife rest, the milling head bearing is provided with horizontal rotating shaft, and the both ends of the shaft are all provided with
There is milling cutter, shaft is driven by the first motor being fixed on milling head bearing；The milling slotting mechanism includes being fixed on planker
On base, be installed with sliding shaft sleeve on the base, sliding axle, the slip be movably installed with the sliding shaft sleeve
One end of axis is provided with straight-tooth cutter；The milling slotting mechanism is additionally provided with the adjusting for controlling sliding axle to be moved along sliding shaft sleeve
Device.
It is as follows to the process principle and process of graphite air pump rotor using above-mentioned device for automatically molding：
After graphite cylinder to be processed is gripped using chuck, planker and rotating turret are adjusted first, utilizes lathe
The lathe tool and drill bit installed on knife rest process the end face of workpiece, cylindrical and endoporus, and then rotating turret is by double end milling mechanism
An end mill(ing) cutter perpendicular to the axis of graphite cylinder, and graphite cylinder is turned into predetermined angular and solid using spindle drive
It is fixed, start the first motor of double end milling mechanism, the outside axial groove of graphite air pump rotor is processed using milling cutter；Equally
Ground, adjusts the angle of graphite cylinder, processes all outside axial grooves；Then it is rotated further by knife rest so that double end milling mechanism
Another end mill(ing) cutter parallel to the axis of graphite cylinder, and graphite cylinder is turned into predetermined angular simultaneously using spindle drive
It is fixed, start the first motor of double end milling mechanism, the radially inside groove of graphite air pump rotor is processed using milling cutter；Treat stone
After the equal completion of processing of inside and outside side trench of black air pump rotor, the straight-tooth cutter milling of milling slotting mechanism is recycled to insert out radially inside ditch
The right angle of groove.Finally graphite cylinder is cut off according to predetermined length using the lathe tool installed on lathe saddle, completes graphite air pump
Whole processing operations of rotor.
Since the both ends of double end milling mechanism are equipped with milling cutter, by blade holder turns, the milling cutter at its both ends can hang down respectively
Directly, parallel to the axial direction of graphite cylinder, the inner side and outer side groove of graphite air pump rotor can be processed.In above-mentioned whole processing
During, without removing graphite cylinder and clamping again, therefore reduce the accumulated error of multiple clamping generation, substantially carry
High machining accuracy, makes product reach high-precision requirement, while greatly increase processing efficiency.
Specifically, the milling slotting mechanism includes the second motor being fixed on base and utilization second is motor-driven
Eccentric wheel；The eccentric wheel offsets with the one end of sliding axle away from straight-tooth cutter；The axle body of the sliding axle is cased with spring, described
One end of spring is fixedly connected with sliding shaft sleeve, and the protrusion that the other end is equipped with sliding axle axle body offsets, so as to will slide
Shaft compression is on eccentric wheel.Eccentric wheel shaft is driven by the second motor, and the outer rim of eccentric wheel offsets with sliding axle, so
The change of eccentric wheel angle can be changed into movement of the sliding axle in sliding shaft sleeve, and above-mentioned spring applies towards partially to sliding axle
The elastic force in heart wheel direction, with ensure spring, eccentric wheel cooperation under, slide shaft position it is stably and controllable.
Further, the sliding axle is equipped with limiting slot towards one end of eccentric wheel, the eccentric wheel clamp in limiting slot,
The limiting slot can prevent sliding axle horizontal jitter.
Further, the spindle drive includes the main drive motor of drive shaft rotation and for controlling spindle angular
The indexing mechanism of indexing is spent, the indexing mechanism is by sequentially connected control unit, stepper motor driver, electric-controlled switch, step
Stepper motor is formed, and the stepper motor is connected by transmission mechanism with main shaft.In process, when workpiece needs to turn to certain
During one angle, using the stepper motor of spindle drive come the accurate angle for controlling main shaft.Above-mentioned electric-controlled switch can utilize
Relay is realized, plays the role of electric isolution when disconnecting, and can be avoided using main drive motor as during power source, stepping is electric
The current reflux that machine is produced with main shaft high-speed rotation damages stepper motor driver into stepper motor driver.
The device for automatically molding of the graphite air pump rotor of the present invention has installed double end milling additional on the basis of centre numerically controlled lathe
Mechanism, spindle drive and milling slotting mechanism are cut, all processing of graphite air pump rotor can be completed on same lathe and is made
Industry, and in process without carrying out secondary clamping to graphite air pump rotor, so that machining accuracy and processing efficiency are improved,
With good practicality.
Brief description of the drawings
Fig. 1 is the front view of the device for automatically molding of the graphite air pump rotor of the present invention.
Fig. 2 is the top view of the device for automatically molding of the graphite air pump rotor of the present invention.
Fig. 3 is the structure diagram of double end milling mechanism in the present invention.
Fig. 4 is the front view of milling slotting mechanism in the present invention.
Fig. 5 is the top view of milling slotting mechanism in the present invention.
Fig. 6 is the structure diagram of spindle drive in the present invention（It is not drawn into main drive motor）.
Fig. 7 is the front view of graphite air pump rotor.
Fig. 8 is the A-A sectional views in Fig. 7.
Attached drawing indicates：1st, knife rest；2nd, chuck；3rd, planker；4th, main shaft；10th, double end milling mechanism；11st, milling head bearing；
12nd, shaft；13rd, milling cutter；14th, the first motor；20th, milling slotting mechanism；21st, base；22nd, sliding shaft sleeve；23rd, sliding axle；231、
Protrusion；232nd, limiting slot；24th, straight-tooth cutter；25th, the second motor；26th, eccentric wheel；27th, spring；31st, digital control system；32、
PLC；33rd, stepper motor driver；34th, electric-controlled switch；35th, stepper motor；36th, transmission mechanism；40th, graphite air pump rotor；41、
End face；42nd, it is cylindrical；43rd, endoporus；44th, outside axial groove；45th, radially inside groove.
Embodiment
Below against attached drawing, by the description to embodiment, for example involved to the embodiment of the present invention is each
Mutual alignment and connection relation, the effect of each several part and operation principle between the shape of component, construction, each several part etc. are made into one
The detailed description of step.
Embodiment 1：
As shown in the figure, the device for automatically molding of the graphite air pump rotor of the present embodiment is included with knife rest 1, main shaft 4, chuck
2 and the lathe of planker 3, double end milling mechanism 10 is installed on the knife rest 1 of lathe, being provided with milling on the planker 3 of the lathe inserts
Cut mechanism 20, the front end of the lathe is provided with for controlling lathe spindle 4 to rotate and the spindle drive of angle；It is described double
Head milling mechanism 10 includes the milling head bearing 11 being fixed on knife rest 1, and the milling head bearing 11 is provided with horizontal rotating shaft 12,
The both ends of the shaft 12 are equipped with milling cutter 13, and shaft 12 is driven by the first motor 14 being fixed on milling head bearing 11；
The milling slotting mechanism 20 includes the base 21 being fixed on planker 3, and sliding shaft sleeve 22, institute are installed with the base 21
State and sliding axle 23 is movably installed with sliding shaft sleeve 22, one end of the sliding axle 23 is provided with straight-tooth cutter 24；The milling is inserted
Cut mechanism 20 and be additionally provided with adjuster for controlling sliding axle 23 to be moved along sliding shaft sleeve 22.
Specifically, the adjuster is included the second motor 25 being fixed on base 21 and is driven using the second motor 25
Eccentric wheel 26；The eccentric wheel 26 offsets with the one end of sliding axle 23 away from straight-tooth cutter 24；The axle body of the sliding axle 23
Spring 27 is cased with, one end of the spring 27 is fixedly connected with sliding shaft sleeve 22, what the other end was equipped with 23 axle body of sliding axle
Protrusion 231 offsets, so that sliding axle 23 is pressed on eccentric wheel 26.Eccentric wheel 26 is driven by the second motor 25, and
The outer rim of eccentric wheel 26 offsets with sliding axle 23, and the change of such 26 angle of eccentric wheel can be changed into sliding axle 23 in sliding axle
Movement in set 22, above-mentioned spring 27 apply the elastic force towards 26 direction of eccentric wheel to sliding axle 23, to ensure in spring 27, partially
Under the cooperation of heart wheel 26,23 position of sliding axle is stably and controllable.
Further, the sliding axle 23 is equipped with limiting slot 232 towards one end of eccentric wheel 26, and the eccentric wheel 26 is stuck in
In limiting slot 232, which can prevent 23 horizontal jitter of sliding axle.
In the present embodiment, the second motor 25 uses stepper motor, to improve control accuracy.
Further, the spindle drive includes the main drive motor that drive shaft 4 rotates（It is not drawn into figure）With
For controlling the indexing mechanism of 4 angle-differentiated of main shaft, the indexing mechanism is by sequentially connected control unit, driving stepper motor
Device 33, electric-controlled switch 34, stepper motor 35 are formed, and the stepper motor 35 passes through transmission mechanism 36（Tooth is used in the present embodiment
Wheel set）It is connected with main shaft 4.In the present embodiment, control unit is formed using digital control system 31 and PLC32, and details are not described herein again.
It is as follows to the process principle and process of graphite air pump rotor using above-mentioned device for automatically molding：
Graphite cylinder to be processed is gripped using chuck 2, planker 3 and rotating turret is adjusted first, utilizes lathe
The lathe tool and drill bit installed on knife rest（It is not drawn into figure）Process graphite air pump rotor 40 end face 41, cylindrical 42 and endoporus
43, after removing planker 3, then axis of the rotating turret by an end mill(ing) cutter 13 of double end milling mechanism 10 perpendicular to graphite cylinder,
And graphite cylinder is turned into predetermined angular and fixation using spindle drive, start the first motor of double end milling mechanism 10
14, the outside axial groove 44 of graphite air pump rotor 40 is processed using milling cutter 13；Similarly, the angle of graphite cylinder is adjusted,
Process the axial radial groove 44 in all outsides；Then it is rotated further by knife rest 1 so that another end mill(ing) cutter 13 of double end milling mechanism 10
Graphite cylinder is turned into predetermined angular and fixation parallel to the axis of graphite cylinder, and using spindle drive, is started double
First motor 14 of head milling mechanism 10, the inner side groove 45 of graphite air pump rotor 40 is processed using milling cutter 13；Treat graphite gas
After the 44 equal completion of processing of inside and outside side trench of pump rotor 40,24 milling of straight-tooth cutter of milling slotting mechanism 20 is recycled to insert out inner side footpath
To the right angle of groove.Finally utilize the lathe tool installed on lathe saddle（It is not drawn into figure）Graphite cylinder is cut according to predetermined length
It is disconnected, complete whole processing operations of graphite air pump rotor 40.
It is worth noting that, in the medial and lateral groove 44,45 using 10 processing graphite air pump rotor 40 of double end milling mechanism
When, electric-controlled switch 34 is connected, and main drive motor is closed, using stepper motor 35 come the accurate angle for controlling main shaft 4；And when profit
With the lathe tool and drill bit installed on lathe saddle（It is not drawn into figure）The end face 41 of processing graphite air pump rotor 40, cylindrical 42 and interior
When hole 43 and graphite cylinder are cut off, then using main drive motor come 4 high-speed rotation of drive shaft.Above-mentioned electric-controlled switch 34 can profit
Realized with relay, play the role of electric isolution when disconnecting, can avoided using main drive motor as during power source, stepping
The current reflux that motor 35 is produced with 4 high-speed rotation of main shaft damages stepper motor driver into stepper motor driver 33
33。
Since the both ends of double end milling mechanism 10 are equipped with milling cutter 13, when rotating, the milling cutter 13 at its both ends can
It is respectively perpendicular, the axial direction parallel to graphite cylinder, the inner side groove 45 and outside groove of graphite air pump rotor 40 can be processed
44.In above-mentioned whole process, without removing graphite cylinder and clamping again, therefore reduce multiple clamping generation
Accumulated error, substantially improves machining accuracy, product is reached high-precision requirement, while greatly increases processing effect
Rate.
Claims (4)
1. a kind of device for automatically molding of graphite air pump rotor, including the lathe with knife rest, main shaft, chuck and planker, it is special
Levy and be double end milling mechanism is installed on the knife rest of the lathe, milling slotting mechanism, institute are installed on the planker of the lathe
State lathe front end be provided with for control lathe spindle rotate and angle spindle drive；The double end milling mechanism bag
The milling head bearing being fixed on knife rest is included, the milling head bearing is provided with horizontal rotating shaft, and the both ends of the shaft are equipped with
Milling cutter, shaft are driven by the first motor being fixed on milling head bearing；The milling slotting mechanism includes being fixed on planker
Base, be installed with sliding shaft sleeve on the base, sliding axle, the sliding axle be movably installed with the sliding shaft sleeve
One end straight-tooth cutter is installed；The milling slotting mechanism is additionally provided with the adjusting for controlling sliding axle to be moved along sliding shaft sleeve
Device.
2. the device for automatically molding of graphite air pump rotor according to claim 1, it is characterised in that the adjuster includes
The the second motor-driven eccentric wheel of the second motor and utilization being fixed on base；The eccentric wheel is with sliding axle away from straight-tooth milling
One end of knife offsets；The axle body of the sliding axle is cased with spring, and one end of the spring is fixedly connected with sliding shaft sleeve, the other end
The protrusion being equipped with sliding axle axle body offsets, so that sliding axle is pressed on eccentric wheel.
3. the device for automatically molding of graphite air pump rotor according to claim 2, it is characterised in that the sliding axle direction
One end of eccentric wheel is equipped with limiting slot, and the eccentric wheel clamp is in limiting slot.
4. the device for automatically molding of the graphite air pump rotor according to claim 1 or 2 or 3, it is characterised in that the main shaft
Driving mechanism includes main drive motor and the indexing mechanism for controlling main shaft angle to index that drive shaft rotates, the indexing
Mechanism is made of sequentially connected control unit, stepper motor driver, electric-controlled switch, stepper motor, and the stepper motor leads to
Transmission mechanism is crossed to be connected with main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965143.0A CN105458707B (en) | 2015-12-21 | 2015-12-21 | The device for automatically molding of graphite air pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965143.0A CN105458707B (en) | 2015-12-21 | 2015-12-21 | The device for automatically molding of graphite air pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458707A CN105458707A (en) | 2016-04-06 |
| CN105458707B true CN105458707B (en) | 2018-04-20 |
Family
ID=55597098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510965143.0A Active CN105458707B (en) | 2015-12-21 | 2015-12-21 | The device for automatically molding of graphite air pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458707B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234279B (en) * | 2017-07-28 | 2024-02-02 | 昆山众异特机械工业有限公司 | Mould marking device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586811A (en) * | 2004-07-23 | 2005-03-02 | 武汉大学 | Machine tool real-time automatic indexing system and control method |
| CN203409334U (en) * | 2013-08-09 | 2014-01-29 | 陈文海 | Double-surface milling device of turning lathe |
| CN203437730U (en) * | 2013-09-10 | 2014-02-19 | 芜湖市泰美机械设备有限公司 | Fire hydrant valve rod cutoff mechanism |
| CN204397035U (en) * | 2014-12-31 | 2015-06-17 | 绵阳禹睿智能科技有限公司 | A kind of power slotting head |
| CN104841997A (en) * | 2015-05-20 | 2015-08-19 | 重庆富川古圣机电有限公司 | Cutter feeding and relieving mechanism of slotting machine |
| CN205393991U (en) * | 2015-12-21 | 2016-07-27 | 广东华田电器有限公司 | Automatic molding device of graphite air pump rotor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2335904T3 (en) * | 2005-07-28 | 2010-04-06 | Klingelnberg Gmbh | UNIVERSAL MACHINE FOR WHITE MACHINING OF CONICAL WHEELS AND CORRESPONDING PROCEDURE. |
-
2015
- 2015-12-21 CN CN201510965143.0A patent/CN105458707B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1586811A (en) * | 2004-07-23 | 2005-03-02 | 武汉大学 | Machine tool real-time automatic indexing system and control method |
| CN203409334U (en) * | 2013-08-09 | 2014-01-29 | 陈文海 | Double-surface milling device of turning lathe |
| CN203437730U (en) * | 2013-09-10 | 2014-02-19 | 芜湖市泰美机械设备有限公司 | Fire hydrant valve rod cutoff mechanism |
| CN204397035U (en) * | 2014-12-31 | 2015-06-17 | 绵阳禹睿智能科技有限公司 | A kind of power slotting head |
| CN104841997A (en) * | 2015-05-20 | 2015-08-19 | 重庆富川古圣机电有限公司 | Cutter feeding and relieving mechanism of slotting machine |
| CN205393991U (en) * | 2015-12-21 | 2016-07-27 | 广东华田电器有限公司 | Automatic molding device of graphite air pump rotor |
Non-Patent Citations (1)
| Title |
|---|
| 数控车床加工石墨气泵转子的工装设计及应用;肖日增;《炭素技术》;20140828;第33卷(第4期);第57-60页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105458707A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105773171B (en) | Rotary pipe cutting apparatus | |
| CN202861410U (en) | Numerical control double-end lathe for machining carrier roller shaft | |
| CN208644971U (en) | A kind of multi-functional end tooth grinding machine | |
| CN103447823A (en) | Numerical control processing machine tool of automobile half shaft | |
| CN104002208A (en) | Vertical type cylindrical grinding machine | |
| CN103111673A (en) | Axial double-helix-surface semi-automatic milling machine | |
| CN103418999A (en) | Automobile axle shaft machining technique | |
| CN105458707B (en) | The device for automatically molding of graphite air pump rotor | |
| KR20150001353U (en) | Computer lathe multi-cutter synchronization mechanism | |
| CN205342033U (en) | Two side milling keyway special planes | |
| CN104289984A (en) | Numerically-controlled relief grinding machine | |
| CN101837558A (en) | Electromagnetic workpiece clamping device for five-shaft linkage grinder | |
| CN105102163A (en) | Polygon machining device and polygon machining method | |
| CN205393991U (en) | Automatic molding device of graphite air pump rotor | |
| JP2018537299A (en) | Method for making or machining a gear and gear cutting machine designed therefor | |
| CN102773533A (en) | Machine tool specially used for shifting fork milling hole of automobile gearbox | |
| CN105382498A (en) | Processing method for thin-wall inner-cavity slender shaft component | |
| CN202377538U (en) | Numerical control comprehensive finish machining device for piston | |
| CN106625039A (en) | Turret type four-chuck tool sharpener | |
| JP2005022058A (en) | Method and device for working ball spline groove of input shaft of toroidal continuously variable transmission, and input shaft of toroidal continuously variable transmission | |
| CN103659341A (en) | Cylinder clamp capable of adjusting radial angle in intermittent mode | |
| CN104439524B (en) | A kind of device for drill bit fluting | |
| CN103753255A (en) | Angle-adjustable contracting chuck | |
| CN101653831B (en) | Aoh series withdrawal sleeve processing method | |
| CN105499606B (en) | A kind of carrying roller axes numerical control machine structure and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |