CN107538018A - Built-in direct-connected main shaft case and its assemble method - Google Patents
Built-in direct-connected main shaft case and its assemble method Download PDFInfo
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- CN107538018A CN107538018A CN201710794036.5A CN201710794036A CN107538018A CN 107538018 A CN107538018 A CN 107538018A CN 201710794036 A CN201710794036 A CN 201710794036A CN 107538018 A CN107538018 A CN 107538018A
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- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 5
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Abstract
The invention discloses built-in direct-connected main shaft case and its assemble method, include base and the column being connected with base, crossbeam is provided with the top of column, the slide being connected with cross beam sliding-type is provided with crossbeam, lifting motor is provided with the top of slide, the main shaft box assembly with the movable connection of slide is provided with slide.By the way that the power set of main spindle box are hidden in main spindle box, the main spindle box of same size, because not being higher by the part on main spindle box surface so that the range of work becomes big, and manufacturing cost is lower；Other spindle motor, by the connecting mode of shaft coupling direct connection, compared to using belt transmission, is greatly reduced driving error, can improve more than 10000 turns of the speed of mainshaft, be more suitable for Modern High-Speed high accuracy processing request by gear-box and main shaft；The mounting rod of installation is designed with, by gear block along mounting rod, is pushed into main spindle box, such installing/dismounting is more convenient, and significantly reduces production cost, is more convenient for being maintained.
Description
Technical field
The present invention relates to gantry machining center equipment technical field, more particularly, to built-in direct-connected main shaft case and its assembling
Method.
Background technology
With the development of science and technology, Numeric Control Technology is widely used, technical field constantly improves, numerical control machining center
The high-efficiency automatic lathe suitable for processed complex part being made up of plant equipment and digital control system.Numerical control machining center
It is current one of yield highest, most widely used Digit Control Machine Tool in the world.Its comprehensive process ability is stronger, and workpiece once fills
More processing content can be completed after folder, machining accuracy is higher, and with regard to the batch workpiece of medium difficulty of processing, its efficiency is commonly to set
Standby 5~10 times, the processing that many conventional equipments can not be completed can be completed by being particularly it, more complicated to shape, and required precision is high
Single-piece work or small batch multi-item production it is more applicable.Numerical control machining center is a kind of more full numerical control machine of function
Bed.It concentrates on the functions such as milling, boring, drilling, tapping and screw cutting in one equipment, makes it have kinds of processes
Means.Machining center is provided with tool magazine, the various cutters or cubing of varying number is deposited in tool magazine, in process by journey
Sequence is selected and changed automatically.This is it and CNC milling machine, the main distinction of numerical control borer.Especially for must use frock and
Special plane equipment ensures the workpiece of product quality and efficiency.This can be development and the remodeling replacement saving substantial amounts of time of new product
And expense, so that enterprise has stronger competitiveness.Machining center is often divided into vertical by main shaft in space state in which
Machining center and horizontal Machining centers, the main shaft of machining center is in the vertical machining centre that is referred to as of plumbness in space, main
Axle is in the referred to as horizontal Machining centers of horizontality in space.Main shaft can make what is vertically and horizontally changed, and referred to as vertical and horizontal adds
Work center or five face machining centers, also referred to as Compositions of metal-working machines.By the quantity point of machining center column；There are open side type and queen post
(planer-type).Power set in existing gantry Machining Center on main spindle box are provided in the outside of main spindle box, thus
Volume can be caused bigger, manufacturing cost is high, and power set space-consuming, can produce partial coherence with workpiece, reduce processing
Scope；It is to be driven by timing belt between power set and main spindle box, there is larger driving error, when timing belt passes
Dynamic rotating speed reaches more than 6000 turns, and noise improves aobvious play, it is impossible to meets that more than 10000 turns of Modern High-Speed is processed in high precision
It is required that；For existing main shaft box assembly in assembling, technique is more complicated, and production cost is higher, it is difficult to is repaired and is maintained.
The content of the invention
The problem to be solved in the present invention is to provide a kind of simple in construction, reasonable in design, smaller, range of work greatly, surely
Qualitative height, easy installation and removal, the built-in direct-connected main shaft case that process velocity is fast, precision is high and noise is lower.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Built-in direct-connected main shaft case, includes base
And the column being connected with the base, crossbeam is provided with the top of the column, is provided with the crossbeam and the crossbeam
The slide of slidingtype connection, is provided with lifting motor at the top of the slide, is provided with the slide and slide activity
The main shaft box assembly of formula connection, the main shaft box assembly include main spindle box and are successively set on the main spindle box from top to bottom
Inside spindle motor, gear-box, gear block and main shaft, the output shaft of the spindle motor and the gear-box, which coordinate, to be connected
Connect, the output shaft of the gear-box is detachably connected by shaft coupling and the main shaft, and opening, institute are provided with the main spindle box
The junction for stating gear block and the main spindle box is provided with some mounting rods.
Preferably, above-mentioned built-in direct-connected main shaft case, wherein workbench is equipped with the top of the base, it is described
The bottom of workbench is provided with several the first sliding blocks, and first to be connected with first sliding block is provided with the base
Slide rail, the workbench pass through first sliding block, the movable connection of the first slide rail with the base.
Preferably, above-mentioned built-in direct-connected main shaft case, wherein being respectively provided with the outer wall of the front and rear sides of the main spindle box
There is the second slide rail, several second sliding blocks are equipped with second slide rail, second sliding block is fixed by screws in
On the inwall of the slide.
Preferably, above-mentioned built-in direct-connected main shaft case, wherein the junction of the gear-box and the gear block is set
Connecting plate is equipped with, is detachably connected between the connecting plate and the gear-box by alignment pin.
Preferably, above-mentioned built-in direct-connected main shaft case, wherein the bottom of the gear-box seat is provided with several slips
Arc groove, the bottom of the opening are provided with the support arc groove being adapted with the slip circle groove, the mounting rod insertion
Between the slip circle groove, support arc groove.
The invention also discloses the assemble method of built-in direct-connected main shaft case, it is characterised in that its processing step is as follows：
Step 1：Main shaft is arranged on main spindle box, uses screw locking；
Step 2：Gear block is screwed on main spindle box, with screwed lock but not exclusively locking, adjust gear block
The perpendicularity of mounting surface and main shaft pivot is within 0.02mm, lock screw, with brill alignment pin；
Step 3：Connecting plate is fixed on gear block, with screwed lock but not exclusively locking, adjust connecting plate on circular hole
Axiality with main shaft pivot is within 0.02mm, lock screw；
Step 4：Gear block is removed from main spindle box, with brill alignment pin on connecting plate；
Step 5：Gear-box, spindle motor are sequentially arranged on connecting plate；
Step 6：Shaft coupling is locked on gearbox output shaft；
Step 7：Mounting rod is directed at the support arc groove on main spindle box, screwed on main spindle box；
Step 8：By the spindle motor assembled, gear-box, shaft coupling, connecting plate, gear block, it is placed on mounting rod, gear
Slip circle groove alignment mounting rod on block, is pushed into the spindle motor assembled, gear-box, shaft coupling, connecting plate, gear-box
Seat, gear block is screwed on main spindle box, plugs alignment pin；
Step 9：Shaft coupling lower end is connected with main shaft, locked；
Step 10：Dismantle mounting rod, be so far completed.
The present invention has the advantage that is with beneficial effect：The main spindle box group with the movable connection of slide is provided with slide
Part, main shaft box assembly include main spindle box and be successively set on from top to bottom the spindle motor of the inside of main spindle box, gear-box,
Gear block and main shaft, the junction of gear-box and gear block are provided with connecting plate, the output shaft and gear-box of spindle motor
It is connected, the output shaft of gear-box is detachably connected by shaft coupling and main shaft, and opening, gear block are provided with main spindle box
The junction of main spindle box is provided with some mounting rods.Overall structure is simple, reasonable in design, and stability is high, by by main shaft
The power set of case are hidden in main spindle box, the main spindle box of same size, because not being higher by the part on main spindle box surface so that processing
Scope becomes big, and manufacturing cost is lower；Other spindle motor passes through the connecting mode of shaft coupling direct connection, phase by gear-box with main shaft
Than in using belt transmission, driving error is greatly reduced；When the rotating speed of belt-type transmission reaches more than 6000 turns, noise will be aobvious
Play improves, and limits the raising of the speed of mainshaft, in this programme by the way of direct connection, can improve 10000 turns of the speed of mainshaft with
On, it is more suitable for Modern High-Speed high accuracy processing request；Because main spindle box inner space it is limited, it is necessary to by spindle motor, gear-box,
Connecting plate, gear block assemble outside main spindle box, then fill in main spindle box, because main spindle box normal condition is to be disposed vertically,
So be designed with the mounting rod of installation, by gear block along mounting rod, it is pushed into main spindle box, such installing/dismounting is more convenient,
Production cost is significantly reduced, is more convenient for being maintained.
Brief description of the drawings
Fig. 1 is the structural representation of gantry machining center in the prior art；
Fig. 2 is the overall structure diagram of the present invention；
Fig. 3 is the partial enlarged drawing at A in Fig. 2；
Fig. 4 is the overall structure diagram of main shaft box assembly in the present invention；
Fig. 5 is the explosive view of main shaft box assembly in the present invention；
Fig. 6 is the structural representation of main spindle box in the present invention；
Fig. 7 is the front view of main spindle box in the present invention；
Fig. 8 is the structural representation of middle gear block of the present invention.
In figure：1st, base；2nd, column；3rd, crossbeam；4th, slide；5th, lifting motor；6th, main shaft box assembly；61st, main spindle box；
62nd, the second sliding block；63rd, the second slide rail；64th, spindle motor；65th, gear-box；66th, alignment pin；67th, connecting plate；68th, shaft coupling；
69th, gear block；610th, mounting rod；611st, main shaft；612nd, it is open；613rd, arc groove is supported；614th, slip circle groove；615th, spiral shell
Female hole；7th, workpiece；8th, workbench；9th, the first slide rail；10th, the first sliding block.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, under
The accompanying drawing that face will be combined in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, and shows
So, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is all belonged to
In the scope of protection of the invention.
As shown in Figures 2 and 3, built-in direct-connected main shaft case, base 1 and the column 2 being connected with base 1, bottom are included
The top of seat 1 is equipped with workbench 8, and the bottom of workbench 8 is provided with several the first sliding blocks 10, is provided with base 1
The first slide rail 9 being connected with the first sliding block 10, workbench 8 are movable by the first sliding block 10, the first slide rail 9 with base 1
Connection, workbench 8 can horizontally slip along base 1, and the top of column 2 is provided with crossbeam 3, is provided with crossbeam 3 and is slided with crossbeam 3
The slide 4 of formula connection, slide 4 can move forward and backward along crossbeam 3, and the top of slide 4 is provided with lifting motor 5, wherein lifting motor 5
It is electrically connected with external power source.
As shown in Figure 4, Figure 5 and Figure 6, the main shaft box assembly 6 with 4 movable connection of slide, main spindle box are provided with slide 4
Component 6 include main spindle box 61 and be successively set on from top to bottom the spindle motor 64 of the inside of main spindle box 61, gear-box 65,
Gear block 69 and main shaft 611, the junction of gear-box 65 and gear block 69 are provided with connecting plate 67, connecting plate 67 and gear
It is detachably connected between case 65 by alignment pin 66, the main function of wherein connecting plate 67 is easy for adjusting gear block 69 and tooth
Concentricity between roller box 65.
As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, output shaft and the gear-box 65 of spindle motor 64 are connected, gear
The output shaft of case 65 is detachably connected by shaft coupling 68 and main shaft 611, and spindle motor 64 is electrically connected with portion of place power supply, main shaft
When motor 64 works, main shaft 611 will be driven to rotate at a high speed, opening 612, gear block 69 and main shaft are provided with main spindle box 61
The junction of case 61 is provided with some mounting rods 610, and the nut bore being connected with mounting rod 610 is provided with main spindle box 61
615, the bottom of gear block 69 is provided with several slip circle grooves 614, and 612 bottom of being open is provided with and slip circle groove
614 adaptable support arc grooves 613, mounting rod 610 are embedded between slip circle groove 614, support arc groove 613.Main shaft
The second slide rail 63 is provided with the outer wall of the front and rear sides of case 61, several second sliding blocks are equipped with the second slide rail 63
62, the second sliding block 62 is fixed by screws on the inwall of slide 4.
By the way that the power set of main spindle box 61 are hidden in main spindle box 61, the main spindle box 61 of same size, because not being higher by
The part on the surface of main spindle box 61 so that the range of work becomes big, reduces the interference between workpiece 7, and manufacturing cost is lower；It is main in addition
Connecting mode of the spindle motor 64 by gear-box 65 and main shaft 611 by the direct connection of shaft coupling 68, compared to using belt transmission, greatly
Width reduces driving error；When the rotating speed of belt-type transmission reaches more than 6000 turns, noise improves aobvious play, limits main shaft
The raising of 611 rotating speeds, in this programme by the way of direct connection, the rotating speed of main shaft 611 can be improved to more than 10000 turns, more
It is adapted to Modern High-Speed high accuracy processing request.
The invention also discloses the assemble method of built-in direct-connected main shaft case, it is characterised in that its processing step is as follows：
Main shaft 611 is arranged on main spindle box 61 first, with screw locking, gear block 69 is screwed in main shaft afterwards
On case 61, with screwed lock but not exclusively locking, the perpendicularity of the mounting surface of adjustment gear block 69 and the pivot of main shaft 611 exist
Within 0.02mm, lock screw, with alignment pin 66 is bored, the step is primarily used to control the concentricity of main shaft 611, prevents from leading
The concentricity of axle 611 is excessive, and so as to influence the precision of processing, connecting plate 67 is fixed on gear block 69 afterwards, used
On screwed lock but not exclusively locking, adjust the axiality of circular hole and the pivot of main shaft 611 on connecting plate 67 0.02mm with
It is interior, lock screw, thus the concentricity of main shaft 611 is corrected successfully, operating process is simple, and traditional mode of production is, first
All parts are assembled, then adjust concentricity again, during so adjusting, effect is relatively low.
After the completion of the concentricity adjustment of main shaft 611, gear block 69 is removed from main spindle box 61, on connecting plate 67
With alignment pin is bored, gear-box 65, spindle motor 64 are sequentially arranged on connecting plate 67 afterwards, shaft coupling 68 is locked at gear
On the output shaft of case 65, the support arc groove 613 that is afterwards directed at mounting rod 610 on main spindle box 61, screw on main spindle box 61, it
Afterwards by the spindle motor 64 assembled, gear-box 65, shaft coupling 68, connecting plate 67, gear block 69, it is placed on mounting rod 610,
Slip circle groove 614 on gear block 69 is directed at mounting rod 610, is pushed into the spindle motor 64 assembled, gear-box 65, shaft coupling
Device 68, connecting plate 67, gear block 69, gear block 69 is screwed on main spindle box 61, plugs alignment pin 66, afterwards
The lower end of shaft coupling 68 is connected with main shaft 611 again, locks, mounting rod 610 of finally dismantling, is so far completed.
Because the inner space of main spindle box 61 is limited, it is necessary to by spindle motor 64, gear-box 65, connecting plate 67, gear block 69
Assembled outside main spindle box 61, then fill in main spindle box 61, because the normal condition of main spindle box 61 is to be disposed vertically, so being designed with
The mounting rod 610 of installation, by gear block 69 along mounting rod 610, it is pushed into main spindle box 61, such installing/dismounting is more convenient,
Production cost is significantly reduced, is more convenient for being maintained.
In the description of the invention, it is to be understood that indicating position or the position such as term " on ", " under ", "left", "right"
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without referring to
Show or imply that the device of meaning or element must have specific orientation and specific azimuth configuration and operation, it is thus impossible to
It is interpreted as limitation of the present invention.In addition, " first ", " second " are merely due to describe purpose, and it is not intended that indicate or imply
Relative importance or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ", the feature of " second " can
To express or implicitly include one or more this feature.In description of the invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation " " phase
Even " " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected with by intermediary, can be with
It is the connection of two element internals.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (6)
1. built-in direct-connected main shaft case, include base (1) and the column (2) being connected with the base (1), the column
(2) crossbeam (3) is provided with the top of, the slide (4) being connected with the crossbeam (3) slidingtype, institute are provided with the crossbeam (3)
State and lifting motor (5) be provided with the top of slide (4), it is characterised in that：It is provided with the slide (4) and the slide (4)
The main shaft box assembly (6) of movable connection, the main shaft box assembly (6) include main spindle box (61) and set successively from top to bottom
Put the spindle motor (64) in the inside of the main spindle box (61), gear-box (65), gear block (69) and main shaft (611), institute
The output shaft and the gear-box (65) for stating spindle motor (64) are connected, and the output shaft of the gear-box (65) passes through shaft coupling
Device (68) is detachably connected with the main shaft (611), and opening (612), the gear-box are provided with the main spindle box (61)
(65) junction of seat and the main spindle box (61) is provided with some mounting rods (610).
2. built-in direct-connected main shaft case according to claim 1, it is characterised in that：The top of the base (1), which coordinates, to be set
Workbench (8) is equipped with, the bottom of the workbench (8) is provided with several the first sliding blocks (10), is provided with the base (1)
The first slide rail (9) being connected with first sliding block (10), the workbench (8) and the base (1) pass through described the
One sliding block (10), the first slide rail (9) movable connection.
3. built-in direct-connected main shaft case according to claim 1, it is characterised in that：The front and rear sides of the main spindle box (61)
Outer wall on be provided with the second slide rail (63), several second sliding blocks (62) are equipped with second slide rail (63),
Second sliding block (62) is fixed by screws on the inwall of the slide (4).
4. built-in direct-connected main shaft case according to claim 1, it is characterised in that：The gear-box (65) and the gear
The junction of block (69) is provided with connecting plate (67), passes through alignment pin between the connecting plate (67) and the gear-box (65)
(66) it is detachably connected.
5. built-in direct-connected main shaft case according to claim 1, it is characterised in that：The bottom of the gear block (69) is set
Several slip circle grooves (614) are equipped with, the bottom of the opening (612) is provided with mutually fits with the slip circle groove (614)
The support arc groove (613) answered, the mounting rod (610) are embedded in the slip circle groove (614), support arc groove (613)
Between.
6. a kind of assemble method of built-in direct-connected main shaft case as claimed in claim 1, it is characterised in that its processing step is such as
Under：Step 1：Main shaft (611) is arranged on main spindle box (61), uses screw locking；
Step 2：Gear block (69) is screwed on main spindle box (61), with screwed lock but not exclusively locking, adjustment
The perpendicularity of gear block (69) mounting surface and main shaft (611) pivot is within 0.02mm, lock screw, with brill alignment pin
(66)；
Step 3：Connecting plate (67) is fixed on gear block (69), with screwed lock but not exclusively locking, adjust connecting plate
(67) axiality of circular hole and main shaft (611) pivot on is within 0.02mm, lock screw；
Step 4：Gear block (69) is removed from main spindle box (61), with brill alignment pin (66) on connecting plate (67)；
Step 5：Gear-box (65), spindle motor (64) are sequentially arranged on connecting plate (67)；
Step 6：Shaft coupling (68) is locked on gear-box (65) output shaft；
Step 7：The support arc groove (613) on mounting rod (610) alignment main spindle box (61) is screwed on main spindle box (61)；
Step 8：By the spindle motor assembled (64), gear-box (65), shaft coupling (68), connecting plate (67), gear block
(69), it is placed on mounting rod (610), slip circle groove (614) the alignment mounting rod (610) on gear block (69), push-in group
Spindle motor (64), gear-box (65), shaft coupling (68), connecting plate (67), the gear block (69) installed, by gear block
(69) it is screwed on main spindle box (61), plugs alignment pin (66)；
Step 9：Shaft coupling (68) lower end is connected with main shaft (611), locked；
Step 10：Dismantle mounting rod (610), be so far completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794036.5A CN107538018B (en) | 2017-09-06 | 2017-09-06 | Concealed direct-connection spindle box and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794036.5A CN107538018B (en) | 2017-09-06 | 2017-09-06 | Concealed direct-connection spindle box and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107538018A true CN107538018A (en) | 2018-01-05 |
| CN107538018B CN107538018B (en) | 2023-12-01 |
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ID=60958016
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794036.5A Active CN107538018B (en) | 2017-09-06 | 2017-09-06 | Concealed direct-connection spindle box and assembling method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107538018B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1737836A1 (en) * | 1989-11-13 | 1994-03-30 | Тверской сельскохозяйственный институт | Machine for welding by friction |
| JPH11207558A (en) * | 1998-01-29 | 1999-08-03 | Yamazaki Mazak Corp | Headstock of machine tool |
| EP1281472A2 (en) * | 2001-07-31 | 2003-02-05 | Franz Kessler KG | Spindle device for a machine tool |
| CN103624553A (en) * | 2013-11-25 | 2014-03-12 | 南通国盛机电集团有限公司 | Novel gantry machining center |
| CN204123178U (en) * | 2014-09-11 | 2015-01-28 | 中捷机床有限公司 | The direct connection structure of gantry machining center main transmission |
| CN204209418U (en) * | 2014-10-31 | 2015-03-18 | 福建常青精密机械有限公司 | Novel vertical machining center structure |
| CN206139851U (en) * | 2016-10-12 | 2017-05-03 | 纽威数控装备（苏州）有限公司 | Horizontal heavy cut type gear drive type headstock structure for machining center |
| CN207494570U (en) * | 2017-09-06 | 2018-06-15 | 佛山市盈向精密机械科技有限公司 | Built-in direct-connected main shaft case |
-
2017
- 2017-09-06 CN CN201710794036.5A patent/CN107538018B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1737836A1 (en) * | 1989-11-13 | 1994-03-30 | Тверской сельскохозяйственный институт | Machine for welding by friction |
| JPH11207558A (en) * | 1998-01-29 | 1999-08-03 | Yamazaki Mazak Corp | Headstock of machine tool |
| EP1281472A2 (en) * | 2001-07-31 | 2003-02-05 | Franz Kessler KG | Spindle device for a machine tool |
| CN103624553A (en) * | 2013-11-25 | 2014-03-12 | 南通国盛机电集团有限公司 | Novel gantry machining center |
| CN204123178U (en) * | 2014-09-11 | 2015-01-28 | 中捷机床有限公司 | The direct connection structure of gantry machining center main transmission |
| CN204209418U (en) * | 2014-10-31 | 2015-03-18 | 福建常青精密机械有限公司 | Novel vertical machining center structure |
| CN206139851U (en) * | 2016-10-12 | 2017-05-03 | 纽威数控装备（苏州）有限公司 | Horizontal heavy cut type gear drive type headstock structure for machining center |
| CN207494570U (en) * | 2017-09-06 | 2018-06-15 | 佛山市盈向精密机械科技有限公司 | Built-in direct-connected main shaft case |
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| Publication number | Publication date |
|---|---|
| CN107538018B (en) | 2023-12-01 |
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