CN204294942U - The machining spindle group of tool electrical conductivity device - Google Patents
The machining spindle group of tool electrical conductivity device Download PDFInfo
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- CN204294942U CN204294942U CN201420742276.2U CN201420742276U CN204294942U CN 204294942 U CN204294942 U CN 204294942U CN 201420742276 U CN201420742276 U CN 201420742276U CN 204294942 U CN204294942 U CN 204294942U
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Abstract
A kind of machining spindle group of tool electrical conductivity device, mainly comprise a main shaft, it has a spindle drum and a live spindle, live spindle one end is arranged with a tapered hole, be fixed movably in the inner at least one hilt part, this hilt part is sequentially provided with a broaching tool axle, a tapered section, a guide groove section, a cutter section and are located at electric component in hilt part, this guide groove section relative to live spindle side and be arranged with a locating slot, convexedly stretch in the chimeric location of positioning key of tapered hole side for one; And one can reach the electrical conducting device electrically conducted between spindle drum and electric component, it includes at least one electrical rotating joint group be located between spindle drum and live spindle, and at least one movable conjugative component be located between live spindle and hilt part, and movable conjugative component electrically conducts in electrical rotating joint group and electric component respectively; Whereby, when this hilt part is fixed in this tapered hole, can make to reach between spindle drum and electric component to electrically conduct.
Description
Technical field
The utility model is relevant with machining spindle group, particularly relate to a kind of machining spindle group with an electrical conductivity device, this electrical conducting device can make to reach between spindle drum and electric component to electrically conduct, and does not hinder and carry out tool changing or rotate processing operation in live spindle and hilt part.
Background technology
A kind of existing machining spindle group as shown in Fig. 1 drawing, it mainly includes: a main shaft 1, and this main shaft 1 includes a spindle drum 2 and and is located in live spindle 3 in spindle drum 2 rotationally.One end place of this live spindle 3 is arranged with a tapered hole 4.A broaching tool assembly 5 is provided with in this tapered hole 4.And at least one hilt part 6 be fixed in movably in this tapered hole 4.This hilt part 6 is provided with the tapered section 8 that a broaching tool axle 7 and that can combine with broaching tool assembly 5 activity can fit in this tapered hole, locates so as to chimeric with this live spindle 3.This live spindle 3 other end is connected to a motor, rotates to carry out the actions such as machining with driven rotary axle 3 and hilt part 6.And tool magazine quick-replaceable can be coordinated with needed for procedure for processing due to hilt part 6, this kind of machining spindle group is widely used in various machine for automatic working.
But generally this kind is processed as and utilizes merely the cutter hardness of hilt part 6 own higher than the characteristic of workpiece to carry out machining.Once workpiece much higher hard, the quick abrasion of hilt part 6 are easily caused to be damaged even.And as high rigidity such as glass and the material easily split, easilier produce cracked flaw in processing place.
Therefore, a kind of as TaiWan, China patent No. 072149 " ultrasonic processing machine " the prior art that discloses, its tip in main shaft is provided with processing head (hilt part), the ultrasonic oscillator making cutter produce ultrasonic wave vibration is had in this processing head, dither by cutter carries out cutting and grinding processing to processing, except significantly reducing cutter to except the abrasion caused during high rigidity work pieces process, and can prevent easy cracked workpiece from producing flaw.But its technology disclosed is establish an electrical rotating joint at the spindle drum place ring of processing head outer peripheral edge, by this electrical rotating joint power supply imported the ultrasonic oscillator in processing head.Thus, this electrical rotating joint, except the tool changing action easily affecting processing head, is exposed to outside spindle drum because electrical rotating joint system is convex, if user controls the improper accident more easily producing collision and damage.
And another kind of prior art is as the electrical conducting device of TaiWan, China patent No. M400930 " electrical conducting device of ultrasonic main shaft " a kind of ultrasonic main shaft.The jaw seat place of its broaching tool axle at hilt part and broaching tool assembly is respectively provided with a power connection, and jaw seat is equipped with a power lead group with in a dozen cutter shafts be connected, to be connected to the power supply of main shaft another end.Make power supply can conduct to ultrasonic oscillator in hilt part.This mode changes and electrical conducting device is arranged at main shaft inside, though avoid the problem affecting tool changing and collision.But axle of forging a knife can be utilized during general main shaft group tool changing to drive the ejection of jaw seat, clash into broaching tool axle, exit hilt part to facilitate, and then derivative power connection is easily because of the problem of damaged in collision.Moreover power connection and the place set by power lead group are the position in general main shaft group cutting fluid center water outlet loop, this kind of main shaft group more can be caused the problem in center water outlet loop cannot to be installed, to lack practicality.
In addition, in order to abrasion or the change of cutter in accurate controlled working process, as TaiWan, China patent discloses No. 201021961 the main shaft structure of machine tool of Real-Time Monitoring duty " can ", an internal inspection device is provided with in hilt part, so as to measuring the various cutter running parameters in process, and be passed to external information device by the wireless transport module in internal inspection device, accurately also to feed back the duty of process tool in real time.But if the internal inspection device of tool detection and wireless transmission function is set in each hilt part, except causing manufacturing cost and significantly rising, because main shaft, hilt part and board are entirely for metal is made, easily produce wireless signal screening effect.Therefore, a kind of with low cost, electrical conducting device that electric signal conducting effect is certain is needed.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is the machining spindle group providing a kind of tool electrical conductivity device, has internal hidden type structure, does not affect existing main shaft group structure and fuction and with low cost, the advantage such as electric signal conducting effect is certain.
The technical solution of the utility model is as follows:
A machining spindle group for tool electrical conductivity device, mainly includes:
One main shaft, this main shaft includes a spindle drum and and is located in live spindle in spindle drum rotationally, and one end place of this live spindle is arranged with a tapered hole, is provided with a broaching tool assembly in this tapered hole;
At least one hilt part be fixed in movably in this tapered hole, it is sequentially provided with, and a broaching tool axle that can be combined with broaching tool component activity, can fit in the tapered section of this tapered hole, a guide groove section, a cutter section and are located at electric component in hilt part; And
One can reach the electrical conducting device electrically conducted between spindle drum and electric component, and this electrical conducting device includes:
At least one electrical rotating joint group be located between spindle drum and live spindle, it includes one can be located at the second electric-conductor of this live spindle with the first electric-conductor and of electrically conducting outside spindle drum, and this first electric-conductor and the second electric-conductor are for electrically conducting; And
At least one movable conjugative component, it comprises the resilient conductive element that the conductive junction point and being located at this hilt part surface is located at this live spindle internal face place, wherein, this conductive junction point is electrically connected at electric component, and this resilient conductive element is electrically connected at the second electric-conductor.
The machining spindle group of above-mentioned tool electrical conductivity device, this first electric-conductor be one can with the elastic brush that electrically conducts outside spindle drum, and this second electric-conductor is a conducting ring being located on this live spindle outer peripheral face, this elastic brush elasticity can contact conducting with conducting ring.
The machining spindle group of above-mentioned tool electrical conductivity device, this elastic brush includes a block brush, an elastic component and one first conductive wire, this elastic component can make this block brush normality elasticity contact at this conducting ring surface, and this first conductive wire one end is connected to block brush, the other end is piercing in outside this spindle drum.
The machining spindle group of above-mentioned tool electrical conductivity device, this resilient conductive element is an electroconductive elastic sheet.
The machining spindle group of above-mentioned tool electrical conductivity device, this resilient conductive element comprises a conducting block and an elastic component.
The machining spindle group of above-mentioned tool electrical conductivity device, is electrically connected with one second conductive wire between this resilient conductive element and the second electric-conductor, and is electrically connected with one the 3rd conductive wire between this conductive junction point and electric component.
The machining spindle group of above-mentioned tool electrical conductivity device, this first electric-conductor be one with spindle drum outside the first induction coil of electrically conducting, and this second electric-conductor is second induction coil being located on this live spindle.
The machining spindle group of above-mentioned tool electrical conductivity device, this guide groove section relative to live spindle side and be arranged with a locating slot, the chimeric location of positioning key of tapered hole side is convexedly stretched in for one, and this movable conjugative component comprises the resilient conductive element that the conductive junction point and be located in this locating slot is located at positioning key place, and this conductive junction point is electrically connected at electric component, and this resilient conductive element is electrically connected at the second electric-conductor.
The machining spindle group of above-mentioned tool electrical conductivity device, this electric component is a ultrasonic oscillation generating mechanism.
The machining spindle group of above-mentioned tool electrical conductivity device, this electric component be temperature sensor, vibrating sensor and displacement transducer at least one of them.
The beneficial effects of the utility model are:
When this hilt part is fixed in this tapered hole, can make to reach between spindle drum and electric component to electrically conduct, and not hinder and carry out rotation in live spindle and hilt part and process operation; This electrical conducting device designs for internal hidden type structure, and except can not producing and interfere tool changing action, and its structure does not more affect existing main shaft group structure and fuction, still can possess the design of existing center water outlet; This electrical conducting device is wired structural design, does not need wireless transport module can be passed to external information device, effectively reduces news consumption transmission cost, and the advantage that electric signal conducting effect is really not easily decayed, covered; Avoid structure to expose tool changing action on hilt part, produce the impact that collision damages, and avoid the defects such as the impact on existing main shaft group structure and fuction that causes further.
Accompanying drawing explanation
Fig. 1 is existing machining spindle group generalized section.
Fig. 2 is generalized section of the present utility model.
Fig. 3 is the close-up schematic view of Fig. 2.
Fig. 4 is section action schematic diagram of the present utility model.
Fig. 5 is the generalized section of another embodiment of the utility model.
Fig. 6 is the generalized section of the utility model embodiment again.
Fig. 7 is the close-up schematic view of Fig. 6.
wherein:
Main shaft 10
Spindle drum 11
Live spindle 12
Tapered hole 13
Broaching tool assembly 14
To forge a knife axle 141
Positioning key 15
Hilt part 20
Broaching tool axle 21
Tapered section 22
Guide groove section 23
Locating slot 231
Cutter section 24
Electric component 25
Insulation material 31,32,33,34
Electrical rotating joint group 40
First electric-conductor 41
Block brush 411
Elastic component 412
Second electric-conductor 42
First conductive wire 43
Movable conjugative component 50
Conductive junction point 51
Resilient conductive element 52
Conducting block 521
Elastic component 522
Second conductive wire 53
3rd conductive wire 54.
Detailed description of the invention
As shown in Fig. 2 ~ Fig. 4 drawing, the utility model is a kind of machining spindle group of tool electrical conductivity device, and it mainly includes:
One main shaft 10, this main shaft 10 includes a spindle drum 11 and and is located in live spindle 12 in spindle drum 11 rotationally, and this live spindle 12 is central penetration state, and its one end place is arranged with a tapered hole 13, is provided with a broaching tool assembly 14 in this tapered hole 13; This broaching tool assembly 14 can be the forms such as existing claw formula broaching tool group (as shown in Figure 2) or steel ball broaching tool group (as shown in Figure 5), and this broaching tool assembly 14 controls its axial slip action by a dozen cutter shafts 141.Wherein, this tapered hole 13 side edge protrudes out and is provided with a positioning key 15.
At least one hilt part 20 be fixed in movably in this tapered hole 13, it is sequentially provided with tapered section 22, guide groove section 23, cutter section 24 and that can fit in this tapered hole 13 with the broaching tool assembly 14 activity broaching tool axle 21, that combine and is located at electric component 25 in hilt part 20.This electric component 25 can be a ultrasonic oscillation generating mechanism or temperature sensor, vibrating sensor and displacement transducer at least one of them person.Wherein, this guide groove section 23 relative to live spindle 12 side and be arranged with a locating slot 231, locate for chimeric with this positioning key 15; And
One electrical conducting device, it mainly includes:
At least one electrical rotating joint group 40 be located between spindle drum 11 and live spindle 12, it includes one can be located at the second electric-conductor 42 of this live spindle 12 with the first electric-conductor 41 and of electrically conducting outside spindle drum 11, this first electric-conductor 41 and the second electric-conductor 42 are for electrically conducting, in preferably embodiment, this first electric-conductor 41 be one can with the elastic brush that electrically conducts outside spindle drum 11, this second electric-conductor 42 is a conducting ring being located on this live spindle 12 outer peripheral face, and this elastic brush elasticity can contact conducting with conducting ring.This first electric-conductor 41 includes block brush 411, elastic component 412, and this elastic component 412 can make this block brush 411 normality elasticity contact at this second electric-conductor 42 surface.And one end of one first conductive wire 43 is connected to block brush 411, it is outer to be connected to a power supply or controller that the other end is then piercing in this spindle drum 11.And
At least one movable conjugative component 50, it comprises the resilient conductive element 52 that the conductive junction point 51 and being located at this tapered section 22 surface is located at tapered hole 13 internal face place, wherein, this conductive junction point 51 is electrically connected at electric component 25, and this resilient conductive element 52 is electrically connected at the second electric-conductor 42.This resilient conductive element 52 comprises conducting block 521 and an elastic component 522.And with one second conductive wire 53 electric connection person between this resilient conductive element 52 and second electric-conductor 42.And in another feasible embodiment, this resilient conductive element 52 can be an electroconductive elastic sheet.
Moreover this conductive junction point 51 is a sheet metal, and conductive junction point 51 and hilt part 20 are insulating Design.Wherein, between conductive junction point 51 and electric component 25 with one the 3rd conductive wire 54 electric connection person.
And this first, second, third conductive wire 43,53,54 is coated with insulating materials, to produce insulation effect between spindle drum 11, live spindle 12 and hilt part 20.And the spare parts such as the first electric-conductor 41, second electric-conductor 42, conductive junction point 51, resilient conductive element 52, then to insulate, material 31,32,33,34 is isolated respectively further contacts with hilt part 20 with spindle drum 11, live spindle 12, to guarantee to be electrically insulated with it.
After understanding above-mentioned this case detailed construction, the operating principle below for this case describes in detail one by one:
As shown in Fig. 4 drawing, when hilt part 20 for be installed in live spindle 12 tapered hole 13 in time, first by hilt part 20 and tapered hole 13 contraposition, and the locating slot 231 of guide groove section 23 is aimed at this positioning key 15.Now, this broaching tool assembly 14 forged a knife axle 141 toward tapered hole 13 direction release and be in the state of unclasping.When hilt part 20 pushes toward tapered hole 13 inside, this axle 141 of forging a knife oppositely pulls broaching tool assembly 14, and making broaching tool assembly 14 hold to the broaching tool axle 21 of hilt part 20, tapered section 22 also can fit tightly in tapered hole 13 internal face, to be closely fixed in tapered hole 13 by hilt part 20.
As shown in Figures 2 and 3, when hilt part 20 is fixed, by coordinating of tapered section 22 and tapered hole 13 internal face, and the locating effect of locating slot 231 and positioning key 15, the conductive junction point 51 that can make this tapered section 22 surface is in electrical contact with resilient conductive element 52 accurate contraposition being located at tapered hole 13 internal face place.
And further, carrying out adding man-hour when live spindle 12 and hilt part 20 rotate in spindle drum 11, the first electric-conductor 41 of this electrical rotating joint group 40 and the second electric-conductor 42 can carry out electrical conductivity by the live spindle 12 between fixing spindle drum 11 and rotation.And can electrically conduct with electric component 25 through movable conjugative component 50 again.So as to reach electric component 25 can with the object of the power supply outside this spindle drum 11 or controller electrical conductivity.
It is worth mentioning that, because this hilt part 20, live spindle 12 are all made by metal material with spindle drum 11, and can be insulating Design between electrical conducting device and said modules, such as this first, second, third conductive wire 43,53,54 is coated with insulating materials.And the spare parts such as the first electric-conductor 41, second electric-conductor 42, conductive junction point 51, resilient conductive element 52, then to insulate, material 31,32,33,34 is isolated respectively contacts with spindle drum 11 with hilt part 20, live spindle 12, to guarantee to be electrically insulated with it.The earth terminal of this electric component 25 can directly conduct with exposed electrical through hilt part 20, live spindle 12 and spindle drum 11, so as to reaching the object reducing this electrical conducting device requirement electrical rotating joint group 40 and movable conjugative component 50.
Moreover, as shown in Figure 5, the electrical rotating joint group 40 that this electrical conducting device can arrange plural groups and movable conjugative component 50 with such as, in response to organizing needed for electrical conductivity, when needing the signal transmitting temperature sensor, vibrating sensor and displacement transducer simultaneously more.The electrical conducting device of this plural groups can be sequentially located between spindle drum 11 and live spindle 12 compartment of terrain.And the movable conjugative component 50 of this plural groups is located at different angles or the depth in same cross section, and borrow the positioning action of locating slot 231 with positioning key 15, and each conductive junction point 51 accurately can be engaged with corresponding resilient conductive element 52.
As shown in FIG. 6 and 7, it is an embodiment more of the present utility model, wherein, this first electric-conductor 41 be one can with the first induction coil of electrically conducting outside spindle drum 11, and this second electric-conductor 42 is second induction coil being located on this live spindle 12, can conduct power or electric signal person in a non contact fashion between this first induction coil and second induction coil.And this movable conjugative component 50, it comprises is located at the resilient conductive element 52 that conductive junction point in this locating slot 231 51 and is located at positioning key 15 place, wherein, this conductive junction point 51 is electrically connected at electric component 25, and this resilient conductive element 52 is electrically connected at the second electric-conductor 42.This resilient conductive element 52 comprises conducting block 521 and an elastic component 522.And with one second conductive wire 53 electric connection person between this resilient conductive element 52 and second electric-conductor 42.And in another feasible embodiment, this resilient conductive element 52 can be an electroconductive elastic sheet.
Moreover this conductive junction point 51 is a sheet metal, and conductive junction point 51 and hilt part 20 are insulating Design.Wherein, be electrically connected with one the 3rd conductive wire 54 between conductive junction point 51 and electric component 25.
Above-described embodiment is only for clearly illustrating that the utility model creates example, and not the utility model is created to the restriction of detailed description of the invention.In order to the syntagmatic of each parts is clearly described, carry out usually describing around its function to various illustrative parts and annexation thereof above, combination as this parts realizes which kind of function, the design constraint depending on specific application and apply whole device.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All within spirit of the present utility model and principle any apparent change of extending out or variation be still among the protection domain of this claim.
Claims (10)
1. a machining spindle group for tool electrical conductivity device, is characterized in that, mainly include:
One main shaft, this main shaft includes a spindle drum and and is located in live spindle in spindle drum rotationally, and one end place of this live spindle is arranged with a tapered hole, is provided with a broaching tool assembly in this tapered hole;
At least one hilt part be fixed in movably in this tapered hole, it is sequentially provided with, and a broaching tool axle that can be combined with broaching tool component activity, can fit in the tapered section of this tapered hole, a guide groove section, a cutter section and are located at electric component in hilt part; And
One can reach the electrical conducting device electrically conducted between spindle drum and electric component, and this electrical conducting device includes:
At least one electrical rotating joint group be located between spindle drum and live spindle, it includes one can be located at the second electric-conductor of this live spindle with the first electric-conductor and of electrically conducting outside spindle drum, and this first electric-conductor and the second electric-conductor are for electrically conducting; And
At least one movable conjugative component, it comprises the resilient conductive element that the conductive junction point and being located at this hilt part surface is located at this live spindle internal face place, wherein, this conductive junction point is electrically connected at electric component, and this resilient conductive element is electrically connected at the second electric-conductor.
2. the machining spindle group of tool electrical conductivity device as claimed in claim 1, it is characterized in that, this first electric-conductor be one can with the elastic brush that electrically conducts outside spindle drum, and this second electric-conductor is a conducting ring being located on this live spindle outer peripheral face, this elastic brush elasticity can contact conducting with conducting ring.
3. the machining spindle group of tool electrical conductivity device as claimed in claim 2, it is characterized in that, this elastic brush includes a block brush, an elastic component and one first conductive wire, this elastic component can make this block brush normality elasticity contact at this conducting ring surface, and this first conductive wire one end is connected to block brush, the other end is piercing in outside this spindle drum.
4. the machining spindle group of tool electrical conductivity device as claimed in claim 1, it is characterized in that, this resilient conductive element is an electroconductive elastic sheet.
5. the machining spindle group of tool electrical conductivity device as claimed in claim 1, it is characterized in that, this resilient conductive element comprises a conducting block and an elastic component.
6. the machining spindle group of tool electrical conductivity device as claimed in claim 1, is characterized in that, be electrically connected between this resilient conductive element and the second electric-conductor with one second conductive wire, and is electrically connected with one the 3rd conductive wire between this conductive junction point and electric component.
7. the machining spindle group of tool electrical conductivity device as claimed in claim 1, is characterized in that, this first electric-conductor be one with spindle drum outside the first induction coil of electrically conducting, and this second electric-conductor is second induction coil being located on this live spindle.
8. the machining spindle group of tool electrical conductivity device as claimed in claim 1, it is characterized in that, this guide groove section relative to live spindle side and be arranged with a locating slot, the chimeric location of positioning key of tapered hole side is convexedly stretched in for one, and this movable conjugative component comprises the resilient conductive element that the conductive junction point and be located in this locating slot is located at positioning key place, and this conductive junction point is electrically connected at electric component, and this resilient conductive element is electrically connected at the second electric-conductor.
9. the machining spindle group of tool electrical conductivity device as claimed in claim 1, it is characterized in that, this electric component is a ultrasonic oscillation generating mechanism.
10. the machining spindle group of tool electrical conductivity device as claimed in claim 1, is characterized in that, this electric component be temperature sensor, vibrating sensor and displacement transducer at least one of them.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420742276.2U CN204294942U (en) | 2014-12-01 | 2014-12-01 | The machining spindle group of tool electrical conductivity device |
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|---|---|---|---|
| CN201420742276.2U CN204294942U (en) | 2014-12-01 | 2014-12-01 | The machining spindle group of tool electrical conductivity device |
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| CN204294942U true CN204294942U (en) | 2015-04-29 |
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| US20190085933A1 (en) * | 2017-09-15 | 2019-03-21 | National Chung Hsing University | High frequency vibration spindle system |
| TWI669185B (en) * | 2018-08-28 | 2019-08-21 | 國立中興大學 | Non-contact electric energy transmission high-frequency vibration main shaft system and restraint manufacturing method |
| CN110421366A (en) * | 2019-08-29 | 2019-11-08 | 汇专绿色工具有限公司 | A kind of ultrasonic main shaft and conductive structure |
| TWI717067B (en) * | 2019-10-23 | 2021-01-21 | 財團法人工業技術研究院 | Power and signal transmission device for spindle of machine tool |
| CN113458812A (en) * | 2021-07-06 | 2021-10-01 | 四川省兴旺达精密机电有限公司 | Machine tool spindle |
| CN116160029A (en) * | 2023-04-26 | 2023-05-26 | 江苏华雕机械有限公司 | Electric spindle capable of relieving impact force |
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- 2014-12-01 CN CN201420742276.2U patent/CN204294942U/en active Active
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| CN109500410B (en) * | 2017-09-15 | 2021-07-06 | 薛富盛 | High-frequency vibration main shaft system |
| CN109500410A (en) * | 2017-09-15 | 2019-03-22 | 薛富盛 | High-frequency vibration main shaft system |
| TWI671159B (en) * | 2017-09-15 | 2019-09-11 | 國立中興大學 | High frequency vibration spindle system |
| US10570985B2 (en) | 2017-09-15 | 2020-02-25 | National Chung Hsing University | High frequency vibration spindle system |
| US20190085933A1 (en) * | 2017-09-15 | 2019-03-21 | National Chung Hsing University | High frequency vibration spindle system |
| TWI669185B (en) * | 2018-08-28 | 2019-08-21 | 國立中興大學 | Non-contact electric energy transmission high-frequency vibration main shaft system and restraint manufacturing method |
| US11654493B2 (en) | 2018-08-28 | 2023-05-23 | National Chung Hsing University | High frequency vibration spindle system with noncontact power transmission and method for manufacturing a restraining part used therein |
| CN110421366A (en) * | 2019-08-29 | 2019-11-08 | 汇专绿色工具有限公司 | A kind of ultrasonic main shaft and conductive structure |
| TWI717067B (en) * | 2019-10-23 | 2021-01-21 | 財團法人工業技術研究院 | Power and signal transmission device for spindle of machine tool |
| US10992178B1 (en) | 2019-10-23 | 2021-04-27 | Industrial Technology Research Institute | Power and signal transmission device for spindle of machine tool |
| CN113458812A (en) * | 2021-07-06 | 2021-10-01 | 四川省兴旺达精密机电有限公司 | Machine tool spindle |
| CN116160029A (en) * | 2023-04-26 | 2023-05-26 | 江苏华雕机械有限公司 | Electric spindle capable of relieving impact force |
| CN117226160A (en) * | 2023-11-10 | 2023-12-15 | 泰州市建奇数控设备有限公司 | Automatic conversion mechanism for main shaft head of gantry machining center |
| CN117226160B (en) * | 2023-11-10 | 2024-03-26 | 泰州市建奇数控设备有限公司 | Automatic conversion mechanism for main shaft head of gantry machining center |
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