CN102773574B - Precise numerical control indexing rotating shaft for electric discharge machining - Google Patents
Precise numerical control indexing rotating shaft for electric discharge machining Download PDFInfo
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- CN102773574B CN102773574B CN201110124662.6A CN201110124662A CN102773574B CN 102773574 B CN102773574 B CN 102773574B CN 201110124662 A CN201110124662 A CN 201110124662A CN 102773574 B CN102773574 B CN 102773574B
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Abstract
The invention belongs to the field of nontraditional machining, and discloses a precise numerical control indexing rotating shaft for electric discharge machining, which comprises a main shaft body, a permanent magnet alternating current servo torque motor which is connected with the main shaft body, and a grating encoder which is arranged at the upper end of the main shaft body; a brake apparatus is arranged on the main shaft body for controlling the main shaft body to stop rotating; the bottom end of the main shaft body is provided with a power device for supplying power for an electrode which is arranged at the center of the bottom end of the main shaft body; and a main shaft liquid cooing device is arranged on the main shaft body, and the liquid is filled from the outer part of the main shaft body for heat exchanging and flushing of the main shaft body. The precise numerical control indexing rotating shaft and a high-speed rotating shaft are designed into a whole, accessories are not needed to change for the precise indexing machining and the high-speed rotating machining, accordingly, the machining efficiency is improved, and a tool electrode and a workpiece can be automatically changed; and in addition, the precise numerical control indexing rotating shaft adopts an integral structural design and a shortened transmission chain, and has no backlash and higher indexing accuracy and servo response performance.
Description
Technical field
The invention belongs to special processing technology field, particularly relate to a kind of precision numerical control indexing rotating shaft for electric discharge machining.
Background technology
Accurate digital control dividing spindle (being called for short C axle) is the special accessories of accurate digital control spark-erosion sinking lathe, also referred to as U axle, it is controlled by digital control system, can carry out accurate angle orientation and rotating servo processing, also can with the processing that links of lathe linear axis, lathe linear axis comprises orthogonal X-axis and Y-axis in horizontal plane, and with the perpendicular Z axis of X, Y-axis place plane.C axle and Z-axis linkage, can process the similar part such as internal and external threads, interior outer oblique gear, helical curve; C axle and X, Y-axis interlock, can process the similar part such as tooth bar, cylinder pattern mould.Numerical control electric spark forming maker bed is joined C axle special accessories, can realize easily four axles above multi-shaft interlocked, can expand its scope of application, especially the workpiece of curve or curve form adds man-hour, can process complicated die cavity and cross section, as turbine, turbo wheel etc.
High-speed rotating shaft (being called for short R axle) is the special accessories of accurate digital control spark-erosion sinking lathe.Tradition R shaft mechanical apparatus structure is generally controlled by adjustable speed DC servo motor, by pulley decelerates, control the rotating speed of rotating shaft, rotating speed is stepless adjustable within the scope of 0～1500prm, realize High Rotation Speed processing, be mainly used in the copy protection of contour machining, aperture and little pore electrod and repair processing etc.
At present precision indexing processing will be completed by C axle special accessories and R axle special accessories respectively with High Rotation Speed processing, during use, need to carry out accessory replacing, increases lathe non-cutting time, reduces working (machining) efficiency, and affects lathe and realize automation.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is how to overcome workpiece to add at precision indexing processing and High Rotation Speed the problem of changing processing attachment man-hour, thereby improves working (machining) efficiency, makes to change tool-electrode and workpiece is realized automation.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of precision numerical control indexing rotating shaft for electric discharge machining, it comprises: main shaft, the permanent magnetic Ac servo torque motor being connected with main shaft, is arranged on the grating encoder of main shaft upper end;
On described main shaft, be provided with brake gear, control main shaft and stop operating; Described main shaft bottom is provided with electricity-supply device, for being arranged on the electrode power supply of main shaft bottom center; On described main shaft, be provided with main shaft and rush liquid cooling radiator cooler, in main shaft outside, pour liquid, for main shaft heat exchange and provide processing to rush liquid.
Wherein, described permanent magnetic Ac servo torque motor comprises: rotor, is arranged on described main shaft; Stator coil, is arranged on rotor outside, and is arranged on the collar bush of main shaft outer setting by the shell of torque motor.
Wherein, described main shaft upper end is connected with described grating encoder by insulating bar.
Wherein, described main shaft middle part is arranged with little bearing, and described little bearing is arranged on described collar bush; Described main shaft bottom is arranged with large bearing, and described large bearing is arranged on main shaft outside by chassis bearing mounting flange.
Wherein, described brake gear comprises: brake disc, be arranged on bearing mounting flange top, described chassis, and its bottom disc is fixed on main shaft; Brake air cushion, is arranged on brake disc top, and by spring supporting, described brake air cushion is provided with rubber seal around, and top is provided with air chamber.
Wherein, described electricity-supply device comprises rotating unit and moving cell not; Described rotating unit comprises: enter electrolytic copper ring, be set on large bearing inner ring fixture, large bearing inner ring fixture is connected with large bearing, and contacts with main shaft bottom outer wall; Described not moving cell comprises: carbon post copper sheathing, its inside opening end with described in enter electrolytic copper loop contacts, its outside opening end is provided with into electrical carbon post fixture, its inside is provided with spring supporting carbon post.
Wherein, described main shaft rushes liquid cooling radiator cooler and comprises: be arranged on described main shaft and collar bush top and be positioned at end face liquid pipeline connector between the two, between main shaft and collar bush and be positioned at end face liquid pipeline connector bottom rush liquid passage, and rush with described the main shaft flushing hole that liquid passage and main shaft centre bore are connected.
Wherein, described little bearing and large bearing are angular contact ball bearing.
Wherein, on described brake air cushion, be provided with fixed air mat piece, described spring fitting is in fixed air mat piece, so that spring is located; Described brake disc bottom is provided with adjusting thin slice, to regulate the axial location of brake disc, regulates thin slice to be arranged on main shaft by thin slice fixture.
Wherein, enter in the described main shaft bottom outer wall that electrolytic copper ring is electrically connected to, to be provided with a plurality of electric salient points that enter with described.
(3) beneficial effect
The precision numerical control indexing rotating shaft for electric discharge machining that technique scheme provides, accurate digital control dividing spindle and high-speed rotating shaft are designed to one, precision indexing processing does not need to change annex with High Rotation Speed processing, thereby improved working (machining) efficiency, changed tool-electrode and workpiece and can realize automation; In addition, the present invention adopts integrated structure design, has shortened driving-chain, there is no backlass, has higher indexing accuracy and servo response performance.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the precision numerical control indexing rotating shaft for electric discharge machining of the embodiment of the present invention;
Fig. 2 is another cutaway view of the precision numerical control indexing rotating shaft for electric discharge machining of the embodiment of the present invention.
Wherein, 1-protective sleeve; 2-the first hold-down screw; 3-grating encoder fixed mount; 4-grating encoder; 5-insulating bar; 6-the second hold-down screw; 7-insulating disc; 8-end cap accessory; 9-steel ring; The little bearing fixed hub of 10-first; The little bearing fixed hub of 11-second; 12-collar bush; 13-the 3rd hold-down screw; The trapezoidal tensioner internal axle sleeve of 14-; 15-motor casing outer shroud; 16-rotor; 17-main shaft; The 18-air cushion that brakes; 19-chassis bearing mounting flange; 20-enters electrical carbon post fixture; 21-enters electrolytic copper ring; 22-fixed air mat piece; 23-the 4th hold-down screw; 24-the 5th hold-down screw; 25-regulates thin slice; The large bearing inner ring fixture of 26-; 27-carbon post copper sheathing; The large outer race fixture of 28-; The large bearing of 29-; 30-brake disc; 31-disc fixture; 32-spring; 33-motor housing; 34-stator coil; 35-locking axle sleeve; The trapezoidal tensioner outer shaft of 36-; 37-fastening shaft sleeve; The little bearing of 38-; 39-the 6th hold-down screw; The upper lippacking of 40-; Lippacking under 41-; 42-main shaft flushing hole; 43-sleeve sealing part; 44-spindle hole; 45-main shaft clamping position.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Fig. 1 and Fig. 2 show respectively the cutaway view of the precision numerical control indexing rotating shaft for electric discharge machining of the embodiment of the present invention.The axis body of the present embodiment is by the setting that is combined as a whole of the required accurate digital control dividing spindle of spark machined and high-speed rotating shaft, mainly comprise that main shaft 17, permanent magnetic Ac servo torque motor, grating encoder 4, electricity-supply device, brake gear, main shaft rush liquid cooling radiator cooler, gas path device etc., main shaft 17 bottoms arrange main shaft clamping position 45, as the installation position that the electric discharge machining utmost point or work piece holder are installed.
Permanent magnetic Ac servo torque motor mainly comprises rotor 16 and stator coil 34, rotor 16 is directly installed on main shaft 17 by trapezoidal tensioner internal axle sleeve 14, stator coil 34 is arranged on rotor 16 outsides, and by motor housing 33, is arranged on the collar bush 12 of main shaft 17 outer setting.Grating encoder 4 is installed by insulating bar 5 in main shaft 17 upper ends, and insulating bar 5 protection grating encoders 4 are not destroyed by the voltage of electric spark power supply.Torque motor drive shaft body 17 rotates and passes through grating encoder 4 accurate feedback angle positions, by closed-loop, control and realize precision round subsection function, owing to adopting torque motor and main shaft integrated structure design, by torque motor, drive main shaft 17 High Rotation Speeds to realize High Rotation Speed s function.
For guaranteeing the rotating accuracy of main shaft 17, the middle part of main shaft 17 and bottom are sheathed respectively little bearing 38 and large bearing 29, little bearing 38 is arranged on collar bush 12, and large bearing 29 is arranged on main shaft 17 outsides by chassis bearing mounting flange 19.And little bearing 38 tops are provided with the first little bearing fixed hub 10 and the second little bearing fixed hub 11, to fix little bearing 38, the location of guaranteeing main shaft 17.The large interior ring of bearing 29 and outer shroud place are provided with respectively large bearing inner ring fixture 26 and large outer race fixture 28, to fix large bearing 29.Little bearing 38 and large bearing 29 are all selected angular contact ball bearing.
Because the main shaft 17 of the present embodiment is wholely set with torque motor, there is no deceleration device, therefore do not possess auto-lock function, when main shaft 17 is static, need brake, so that holding position is constant when changing clamping parts or not using this axle, therefore designed in the present embodiment brake gear, brake gear mainly comprises brake disc 30, brake air cushion 18 and air chamber (in figure, not indicating), brake disc 30 is arranged on bearing mounting flange 19 tops, chassis, its bottom disc is fixed on main shaft 17 by thin slice fixture 31, with main shaft 17, rotates; Brake air cushion 18 is supported and is arranged on brake disc 30 tops by spring 32, and brake air cushion 18 is provided with rubber seal around, and top arranges air chamber.On brake air cushion 18, be also provided with fixed air mat piece 22, spring 32 is arranged in fixed air mat piece 22, utilizes 22 pairs of springs of fixed air mat piece, 32 location; Brake disc 30 bottoms are also provided with and regulate thin slice 25, to regulate the axial location of brake disc 30, regulate thin slice 25 to be arranged on main shaft 17 by thin slice fixture 31.The operation principle of brake gear is: to the Compressed Gas that passes into certain pressure in air chamber, the air cushion 18 that promotes to brake overcomes spring 32 elastic force and moves down, air cushion 18 and the common brake disc 30 that clamps of chassis bearing mounting flange 19 make to brake, by brake disc 30 stop main shaft 17 is stopped operating, realize thus brake function.
Electricity-supply device mainly comprises rotating unit and moving cell not, and rotating unit comprises into electrolytic copper ring 21, enters electrolytic copper ring 21 and is set on large bearing inner ring fixture 26, and large bearing inner ring fixture 26 is connected with bearing 29 greatly, and contacts with main shaft 17 bottom outer wall; Moving cell is not comprised of the inner spring supporting carbon post of installing of carbon post copper sheathing 27 and its (not indicating in figure), carbon post copper sheathing 27 inside opening ends with enter electrolytic copper ring 21 and contact, its outside opening end arranges into electrical carbon post fixture 20, carbon post rely on spring force under the effect of entering electrical carbon post fixture 20 with enter electrolytic copper ring 21 close contacts, the structural principle of electricity-supply device is: the utmost point in electric spark two poles is introduced to rotating unit by moving cell not, and guarantee reliably electrically contacting in rotation process.In order to make electric conductivity good, can main shaft 17 with enter the bottom outer wall that electrolytic copper ring 21 is electrically connected on be provided with a plurality of electric salient points that enter.
The Main Function that main shaft rushes liquid cooling radiator cooler is: (1) cooling main shaft 17, main shaft 17 produces certain heat in electric machining process, therefore will the certain distortion of corresponding generation, for Reducing distortion amount, in main shaft 17, inject the electric machining working solution of certain pressure, take away certain heat; (2) chip removal, can produce scrap between workpiece and electrode in spark discharge process, as do not discharged in time, can cause processing short circuit, pours liquid and can discharge timely processing bits.
As can be seen from Figure 2, the structure that main shaft rushes liquid cooling radiator cooler is: at main shaft 17 with collar bush 12 tops and be arranged in and be provided with end face liquid pipeline connector (figure does not indicate) between the two, in end face liquid pipeline connector bottom and between main shaft 17 and collar bush 12, for rushing liquid passage, rush and between liquid passage and main shaft 17, be provided with the main shaft flushing hole 42 being connected with main shaft 17 centre bores.Rush in liquid passage and be provided with lippacking 40 and lower lippacking 41, formed upper and lower O type circle.The course of work that working solution rushes in liquid cooling radiator cooler at main shaft is the end face liquid pipeline connector that working solution passes through collar bush 12, enter the flushing hole road of collar bush 12 inside, because collar bush 12 sidewalls have main shaft flushing hole 42, working solution is upper, under the effect of lower O type circle, enter into smoothly the ring-shaped groove of sleeve sealing part 43, again because sleeve sealing part 43 inwalls are equipped with upper lip-type packing 40 and lower lip-type packing 41, make the working solution that enters into ring-shaped groove by main shaft flushing hole 42, be injected into main shaft 17 centre bores under certain pressure, finally arrive main shaft 17 clamping positions, bottom 4 and by the fixture of installing, rush at electrode and workpiece again, continuous liquid supply and the movable sealing of rotating part and static part have been realized, for axis body provides cooling and rushes liquid for spark discharge machining center provides.
In Fig. 1, protective sleeve 1 act as and protects grating encoder 4 not to be damaged, hold-down screw 2 is fixed on protective sleeve on end cap accessory 8, grating encoder fixed mount 3 can regulate the position of grating encoder 4 automatically for elastomeric material, electrical relation between insulating disc 7 isolation grating encoders 4 and main shaft 17, end cap accessory 8 is mainly the gas circuit He Ye road being sealed into into main shaft 17, steel ring 9 stops the first little bearing fixed hub 10 and the second little bearing fixed hub 11, motor casing outer shroud 15 prevents that the liquid of cooling motor from flowing out, large outer race fixture 28 compresses the outer shroud of large bearing 29, motor housing 33 support motor stator coils 34, locking axle sleeve 35 and fastening shaft sleeve 37 are the device of locking motor rotor 16.The screw at other each positions is mainly the fixing device of relevant position.In addition; shown in figure first fixedly hold-down screw 2 for fixing protective sleeve 1; the second hold-down screw 6 is for being fixed on end cap accessory 8 protective sleeve 1; the 3rd hold-down screw 13 fixed electrical machinery rotors 16; the 4th hold-down screw 23 is used for fixing brake block 30; the 5th hold-down screw 24 is used for fixing fixed air mat piece 22, the six hold-down screws 39 and is used for fixing little bearing fixed hub 11.
As can be seen from the above embodiments, the embodiment of the present invention is designed to one by accurate digital control dividing spindle and high-speed rotating shaft, precision indexing processing does not need to change annex with High Rotation Speed processing, thereby has improved working (machining) efficiency, changes tool-electrode and workpiece and can realize automation; In addition, the present invention adopts integrated structure design, has shortened driving-chain, there is no backlass, has higher indexing accuracy and servo response performance.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (6)
1. precision numerical control indexing rotating shaft for electric discharge machining, is characterized in that, comprising: main shaft (17), with the permanent magnetic Ac servo torque motor that main shaft (17) is connected, is arranged on the grating encoder (4) of main shaft (17) upper end;
Described main shaft is provided with brake gear on (17), controls main shaft (17) and stops operating; Described main shaft (17) bottom is provided with electricity-supply device, for being arranged on the electrode power supply of main shaft (17) bottom center; On described main shaft (17), be provided with main shaft and rush liquid cooling radiator cooler, in main shaft (17) outside, pour liquid, for main shaft heat exchange and provide processing to rush liquid;
Described main shaft (17) middle part is arranged with little bearing (38), and described little bearing (38) is arranged on the collar bush (12) of main shaft (17) outer setting; Described main shaft (17) bottom is arranged with large bearing (29), and described large bearing (29) is arranged on main shaft (17) outside by chassis bearing mounting flange (19);
Described electricity-supply device comprises rotating unit and moving cell not; Described rotating unit comprises: enter electrolytic copper ring (21), be set on large bearing inner ring fixture (26), described large bearing inner ring fixture (26) is connected with described large bearing (29), and contacts with described main shaft (17) bottom outer wall; Described not moving cell comprises: carbon post copper sheathing (27), its inside opening end with described in enter electrolytic copper ring (21) and contact, its outside opening end is provided with into electrical carbon post fixture (20), its inside is provided with spring supporting carbon post;
Described brake gear comprises: brake disc (30), be arranged on described chassis bearing mounting flange (19) top, and its bottom disc is fixed on main shaft (17); Brake air cushion (18), is arranged on brake disc (30) top, and is supported by spring (32), and described brake air cushion (18) is provided with rubber seal around, and top is provided with air chamber;
On described brake air cushion (18), be provided with fixed air mat piece (22), it is upper that described spring (32) is arranged on fixed air mat piece (22), so that spring (32) is located; Described brake disc (30) bottom is provided with and regulates thin slice (25), to regulate the axial location of brake disc (30), regulates thin slice (25) to be arranged on main shaft (17) by thin slice fixture (31).
2. precision numerical control indexing rotating shaft for electric discharge machining as claimed in claim 1, is characterized in that, described permanent magnetic Ac servo torque motor comprises: rotor (16), is arranged on described main shaft (17); Stator coil (34), is arranged on rotor (16) outside, and is arranged on the collar bush (12) of main shaft (17) outer setting by the shell of torque motor.
3. precision numerical control indexing rotating shaft for electric discharge machining as claimed in claim 1, is characterized in that, described main shaft (17) upper end is connected with described grating encoder (4) by insulating bar (5).
4. precision numerical control indexing rotating shaft for electric discharge machining as claimed in claim 2, it is characterized in that, described main shaft rushes liquid cooling radiator cooler and comprises: be arranged on described main shaft (17) with collar bush (12) top and be positioned at end face liquid pipeline connector between the two, be positioned between main shaft (17) and collar bush (12) and be positioned at end face liquid pipeline connector bottom rush liquid passage, and rush with described the main shaft flushing hole (42) that liquid passage and main shaft (17) centre bore are connected; Rush in liquid passage and be provided with lippacking (40) and lower lippacking (41), formed upper and lower O type circle.
5. precision numerical control indexing rotating shaft for electric discharge machining as claimed in claim 1, is characterized in that, described little bearing (38) and large bearing (29) are angular contact ball bearing.
6. precision numerical control indexing rotating shaft for electric discharge machining as claimed in claim 1, is characterized in that, enters in described main shaft (17) bottom outer wall that electrolytic copper ring (21) is electrically connected to, to be provided with a plurality of electric salient points that enter with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110124662.6A CN102773574B (en) | 2011-05-13 | 2011-05-13 | Precise numerical control indexing rotating shaft for electric discharge machining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110124662.6A CN102773574B (en) | 2011-05-13 | 2011-05-13 | Precise numerical control indexing rotating shaft for electric discharge machining |
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| CN102773574A CN102773574A (en) | 2012-11-14 |
| CN102773574B true CN102773574B (en) | 2014-12-10 |
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| CN104607729B (en) * | 2014-12-09 | 2017-03-22 | 上海交通大学 | High-speed arc discharge, flushing and rotating main shaft device |
| CN104942384B (en) * | 2015-06-18 | 2017-09-15 | 沈阳理工大学 | A kind of rotary main shaft device of micro spark processing machine |
| CN105817727B (en) * | 2016-06-15 | 2018-05-18 | 盐城工学院 | A kind of Electrolyzed Processing automatic tool setting device |
| CN106270838B (en) * | 2016-09-10 | 2017-12-26 | 无锡微研股份有限公司 | A kind of wired main tapping of rotatory sealing |
| CN108237406B (en) * | 2018-03-06 | 2024-02-27 | 北京市电加工研究所有限公司 | Numerical control indexing and high-speed rotary machining dual-purpose shaft system based on servo motor control |
| CN113618698B (en) * | 2021-10-12 | 2022-03-18 | 深圳市越疆科技有限公司 | Teleoperation manipulator and main shaft and teleoperation equipment thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60186331A (en) * | 1984-02-20 | 1985-09-21 | Mitsubishi Electric Corp | Electric discharge machine |
| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| CN201079909Y (en) * | 2007-04-09 | 2008-07-02 | 北京森创电机技术有限公司 | Servo motor driven high speed electric main shaft system |
| CN201154443Y (en) * | 2008-01-03 | 2008-11-26 | 安阳鑫盛机床股份有限公司 | Built-in brake device |
| CN101468416A (en) * | 2007-12-25 | 2009-07-01 | 通用电气公司 | Main spindle system for electric erosion processing |
| CN202199874U (en) * | 2011-05-13 | 2012-04-25 | 北京市电加工研究所 | Precision numerical control indexing rotating shaft for electric discharge machining |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000024541A1 (en) * | 1998-10-27 | 2000-05-04 | Sodick Co., Ltd. | Spindle system of electrodischarge machine for diesinking |
-
2011
- 2011-05-13 CN CN201110124662.6A patent/CN102773574B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60186331A (en) * | 1984-02-20 | 1985-09-21 | Mitsubishi Electric Corp | Electric discharge machine |
| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| CN201079909Y (en) * | 2007-04-09 | 2008-07-02 | 北京森创电机技术有限公司 | Servo motor driven high speed electric main shaft system |
| CN101468416A (en) * | 2007-12-25 | 2009-07-01 | 通用电气公司 | Main spindle system for electric erosion processing |
| CN201154443Y (en) * | 2008-01-03 | 2008-11-26 | 安阳鑫盛机床股份有限公司 | Built-in brake device |
| CN202199874U (en) * | 2011-05-13 | 2012-04-25 | 北京市电加工研究所 | Precision numerical control indexing rotating shaft for electric discharge machining |
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Address after: 100191 Dimon building, B3 Huayuan Road, Haidian District, Beijing Patentee after: Beijing Electric Processing Research Institute Co.,Ltd. Patentee after: DIMON BEIJING CNC TECHNOLOGY Co.,Ltd. Address before: 100191 B3, Haidian District, Beijing, Huayuan Road Patentee before: BEIJING INSTITUTE OF ELECTRO-MACHINING Patentee before: DIMON BEIJING CNC TECHNOLOGY Co.,Ltd. |
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