CN104385023A - Inner cooling damping heat-shrinkable tool bar device - Google Patents
Inner cooling damping heat-shrinkable tool bar device Download PDFInfo
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- CN104385023A CN104385023A CN201410562618.7A CN201410562618A CN104385023A CN 104385023 A CN104385023 A CN 104385023A CN 201410562618 A CN201410562618 A CN 201410562618A CN 104385023 A CN104385023 A CN 104385023A
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- pyrocondensation
- knife
- handle
- cutter
- heat
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
The invention discloses an inner cooling damping heat-shrinkable tool bar device, relates to the field of cutting machining, and mainly aims to solve the technical problems of high cost, easiness in causing pollution, easiness in generating vibration of a tool and the like caused by jetting of cooling liquid into an interference fit area in the conventional heat-shrinkable tool bar. According to the technical scheme, the inner cooling damping heat-shrinkable tool bar device comprises a tool shank (5), a heat-shrinkable tool bar (3) and a tool (1), wherein a conical cavity structure which stretches outwards is arranged at the outer end of the tool shank (5); the heat-shrinkable tool bar (3) is connected with a screw hole formed in the inner end of the heat-shrinkable tool bar (3) by inserting a connecting screw rod (6) into a screw rod through hole from the inner end of the tool shank (5); the inner end of the tool (1) is arranged at the outer end of the heat-shrinkable tool bar (3) in a sleeving way through interference hermetical fit; a cooling liquid cavity (4) is formed by the hollow inner cavity of the heat-shrinkable tool bar (3) between the connecting screw rod (6) and the tool (1); cooling liquid is packaged in the cooling liquid cavity (4). The inner cooling damping heat-shrinkable tool bar device is easy to install, detach and extend, and has high interchangeability; the adaptability of the inner cooling damping heat-shrinkable tool bar device as a machining device is well enhanced. The inner cooling damping heat-shrinkable tool bar is mainly applied to the field of deep cavity machining in a cutting machining process.
Description
Technical field
Patent of the present invention relates to machining research field, particularly relates to a kind of for cooling damping pyrocondensation cutter arbor device in cutting machines.
Background technology
At present, in High-speed machining industry, though common handle of a knife-collet-cutter formula tooling system structure can meet the requirement of general part high-rate wireless LAN, by the restriction of tooling system rigidity, make to add cutter in man-hour can be very restricted close to the degree of depth of workpiece; Heat-shrinkable knife handle Application comparison is extensive, and the utilization of pyrocondensation knife bar is also tending towards ripe.Add man-hour carrying out high-speed cutting, heat in metal cutting upwards can be transmitted along cutter, and the temperature of heat-shrinkable knife handle (knife bar) contact portion raises.Because heat-shrinkable knife handle (knife bar) is adopt pyrocondensation interference fit with coordinating of cutter, heat-shrinkable knife handle (knife bar) thermal coefficient of expansion is larger, to very temperature sensitive, temperature rising can cause heat-shrinkable knife handle (knife bar) contact portion size to increase, and the magnitude of interference between cutter reduces, contact stress reduces, and grip strength reduces, and then affect fit quality, bring serious accident.Traditional method of spraying cooling fluid to interference areas is adopted to there is very large deficiency, because interference areas temperature is not high especially, too much use cutting fluid not only adds cost, and its pollution caused is also very serious, does not meet the trend of current energy-saving and emission-reduction and green manufacturing.While High-speed machining, cutter also produces vibrations because of the impact of the factors such as cutting force.Therefore, a kind of new method is needed to solve above-mentioned technical problem.
Relevant invention has a little example, but is all very different with the present invention, in existing invention, as the Wang Zhigang of No. 52 Harbin University of Science and Technologys in Universities Road, Nangang District, Harbin, Heilongjiang Province; Xu Leida; " high-precision low cost heat-shrinkable knife handle " (number of patent application: CN201020273544.2 of Cai Dongsong invention, applying date 2010.07.28, open/notification number: CN201776646U, the open/day for announcing: 2011.03.30) high-precision low cost heat-shrinkable knife handle.Along with the extensive use of High Speed Cutting Technique and the development of precision processing technology, more and more higher to the requirement of high-performance numerical control machine tool system.High-precision low cost heat-shrinkable knife handle, its composition comprises: taper shank (1), pyrocondensation head (2), described taper shank connects pyrocondensation head, is processed with transitional pore (3), escape (4), stop screw hole (5), escape (6), pyrocondensation hole (7), reduction of heat increase swollen groove (8) in described pyrocondensation head.Described transitional pore connects stop screw hole by escape, and described stop screw hole connects pyrocondensation hole by escape and reduction of heat increases swollen groove, and described reduction of heat increases swollen groove and opens on the hole wall in pyrocondensation hole.It, for the connection of lathe and cutter, is particularly useful for precision, high-speed machine tool.Its so-called reduction of heat, in fact refer to by reducing the contact heating surface area with cutter at the rectangular channel of heat-shrinkable knife handle inwall, because the requirement on machining accuracy of rectangular channel is high, adopt the method can increase the manufacturing cost of handle of a knife, the reduction of contact area also can cause grip strength subtract reduce and stress concentrated, and rectangular channel can not change sinking path, heat still can along contact surface fast propagation.
And for example the Liu Xue of Xiangfang District, Harbin, Heilongjiang Province and level road No. 44 Harbin Measuring Tool & Cutting Tool Co., Ltd. invents and " the dynamic balancing structure for thermal shrinkage shank " (number of patent application: CN200720117397.8 applied for a patent, the applying date: 2007.11.13, open (bulletin) number: CN201132265, open (bulletin) day: 2008.10.15).It comprises main body, and main body is hollow structure, and body midsection circle of position week is equidistantly distributed with dynamic balancing hole, is provided with dynamic balancing screw in each dynamic balancing hole.By the screw-in of adjustment dynamic balancing screw and the length of back-out after Cutting tool installation manner, regulate computing ballance correction, eliminate the amount of unbalance that Cutting tool installation manner produces, make it reach standard-required.So just, can use at high speed.This heat-shrinkable knife handle can eliminate the imbalance of installing and producing, but does not solve the technical problems such as the imbalance that causes external force in High-speed machining and vibrations, does not also relate to and solves the technical problem such as heat-shrinkable knife handle and cutter cooling.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, the object of this invention is to provide a kind ofly dredge heat fast by pyrocondensation knife bar internal structure, reduce mating area temperature and absorption portion vibrations and rigidity preferably in cooling damping pyrocondensation cutter arbor device.
The technical solution adopted for the present invention to solve the technical problems is: it comprises handle of a knife 5, pyrocondensation knife bar 3 and cutter 1; The inner of handle of a knife 5 is the contour structures matched with machining center main shaft, handle of a knife 5 is designed to hollow structure, handle of a knife 5 for hollow cavity waist be the screw vent structure matched with connecting screw rod 6 external diameter that internal diameter is less than two ends internal diameter, the outer end of handle of a knife 5 is outwardly tapering cavity structure; The inner profile of pyrocondensation knife bar 3 is the pyramidal structure that matches with handle of a knife 5 outer end tapering cavity and the inner is provided with screw; The inner of pyrocondensation knife bar 3 is sleeved in the outer end tapering cavity of handle of a knife 5, and it is in mating connection to adopt connecting screw rod 6 to be inserted in by handle of a knife 5 the inner the screw arranged through screw vent and pyrocondensation knife bar 3 the inner, thus pyrocondensation knife bar 3 is fixedly connected with handle of a knife 5; The inner of cutter 1 adopts interference seal engagement sleeves to be contained in pyrocondensation knife bar 3 outer end; Described pyrocondensation knife bar 3 adopts hollow cavity structure, the middle part of connecting screw rod 6 is provided with through hole and the sealing screw 9 installed that matches with its through hole, the through hole of connecting screw rod 6 is connected with the hollow cavity of pyrocondensation knife bar 3, pyrocondensation knife bar 3 hollow cavity between connecting screw rod 6 and cutter 1 is formed and cools sap cavity 4, encapsulation cooling fluid in cooling sap cavity 4.
For solving the technical problem that pyrocondensation knife bar runs into, pyrocondensation knife bar 3 of the present invention can adopt the two ends biconial structure that gradually little, waist is thicker.
For improving radiating effect, the present invention also can be connected with radiating core 2 in cutter 1 the inner.Described radiating core 2 adopts the copper radiating core of good heat conductivity.The afterbody of described radiating core 2 is designed to wings to increase area of dissipation.
The present invention also can be provided with screwed hole in cutter 1 the inner, and one end of radiating core 2 is provided with the threaded rod closed with cutter 1 corresponding threaded holes, and radiating core 2 shaft is sleeved in cutter 1 screwed hole.
For enhanced leaktightness effect, the present invention also can be provided with segment hub seal circle 10 and seal it between the nut of sealing screw 9 and connecting screw rod 6 through hole.Also can pyrocondensation knife bar 3 inner with between the tapering cavity bottom of handle of a knife 5 outer end, be positioned at connecting screw rod 6 periphery and coordinate and be set with tool bar sealing circle 7, make it seal cooling sap cavity 4.
Interior cooling is in the present invention delivered in the cooling fluid of pyrocondensation knife bar inside by the heat of cutter fast by the copper radiating core be attached thereto, because cooling fluid has larger specific heat capacity, amount of heat can be absorbed, due to pyrocondensation knife bar High Rotation Speed, uniform heat distribution in cooling fluid and can outwards being transmitted by pyrocondensation knife bar inwall at any time, thus the temperature of pyrocondensation knife bar and cutter mating part is reduced.
Meanwhile, in the present invention, the damping of cooling fluid is very large, can the vibrations that produce because of external force of absorption portion; Although heat-shrinkable knife handle-cutter formula tooling system structure also can meet the requirement of high-rate wireless LAN, but handle of a knife coordinates with cutter and lacks flexibility, complicated many types of the processing of mould certainly will increase the input of handle of a knife to the multifarious requirement of cutter, and processing cost is improved greatly; The introducing of pyrocondensation knife bar well solves the problems referred to above, and the handle of a knife in the present invention is by adopting standard component, and interchangeability is good; Pyrocondensation knife bar is connected with handle of a knife by screw rod, simple and reliable for structure, and pyrocondensation knife bar Seriation Design is applicable to different processing environment, and when thermal shrink fit's part has wearing and tearing, changes a pyrocondensation knife bar more much lower than the cost changing heat-shrinkable knife handle.
The present invention, by adopting special design and innovation, as adopted screw to be connected between handle of a knife with pyrocondensation knife bar, and adopts hermetically-sealed construction to seal it, prevents the leakage of the cooling fluid cooling sap cavity; It is compared with traditional handle of a knife-cutter mechanism, and length and the size of the pyrocondensation knife bar in the present invention are Seriation Designs, and rigidity is better, and this makes the present invention well can select the pyrocondensation knife bar of suitable dimension according to different processing environment; In cooling damping, the cooling fluid cooling sap cavity in the present invention is sealed in pyrocondensation knife bar inside, cost-saving, environmentally safe; Make by adopting above-mentioned design that the present invention installs simple and easy, easy fractionation, size is easily expanded, interchangeability is good, improves its applicability as processing unit (plant) well.Carrying out deep-small hole, to add man-hour rigidity better, and the heat being delivered to cutter and pyrocondensation knife bar mating area in working angles can be made to import into through radiating core in the cavity of pyrocondensation knife bar inside, and absorb by the cooling fluid in the cooling sap cavity in cavity, avoid heat accumulation and cause mating area temperature too high, thus the reliability that raising pyrocondensation knife bar coordinates with cutter; Cavity is in closed state, and the cooling fluid of cooling sap cavity also can adopt distilled water, avoids the pollution to environment; Cooling fluid also absorption portion vibrations while absorption heat of cooling sap cavity, improve machining accuracy.The present invention is mainly used for the deep-small hole processing and other fields in machining.
Accompanying drawing explanation
Fig. 1 is general assembly sectional structure schematic diagram of the present invention.
Fig. 2 is general assembly contour structures schematic diagram of the present invention.
Fig. 3 is the structural representation of connecting screw rod.
Fig. 4 is the left TV structure schematic diagram of Fig. 3.
Fig. 5 is the assembly structure schematic diagram of cutter and radiating core.
Fig. 6 is the left TV structure schematic diagram of Fig. 5.
Accompanying drawing mark illustrates: 1-cutter, 2-radiating core, 3-pyrocondensation knife bar, 4-cools sap cavity, 5-handle of a knife, 6-connecting screw rod, 7-tool bar sealing circle, 8-packing ring, 9-trip bolt, 10-segment hub seal circle.
Detailed description of the invention
In order to illustrate technical scheme of the present invention and feature, below in conjunction with drawings and Examples, the present invention is described in further details.
Embodiment 1, as shown in Figure 1, it comprises handle of a knife 5, pyrocondensation knife bar 3 and cutter 1; The inner of handle of a knife 5 is the contour structures matched with machining center main shaft, handle of a knife 5 is designed to hollow structure, handle of a knife 5 for hollow cavity waist be the screw vent structure matched with connecting screw rod 6 external diameter that internal diameter is less than two ends internal diameter, the outer end of handle of a knife 5 is outwardly tapering cavity structure; The inner profile of pyrocondensation knife bar 3 is the pyramidal structure that matches with handle of a knife 5 outer end tapering cavity and the inner is provided with screw; The inner of pyrocondensation knife bar 3 is sleeved in the outer end tapering cavity of handle of a knife 5, and it is in mating connection to adopt connecting screw rod 6 to be inserted in by handle of a knife 5 the inner the screw arranged through screw vent and pyrocondensation knife bar 3 the inner, thus pyrocondensation knife bar 3 is fixedly connected with handle of a knife 5; Cooling fluid is injected in cooling sap cavity 4 by the through hole in connecting screw rod 6, thus make to fill cooling fluid in the cooling sap cavity 4 of pyrocondensation knife bar 3, cooling fluid can be water or other cooling liquid, and it can cool cutter 1 in real time, causes cutter 1 temperature to reduce and absorption portion vibrations; The inner of cutter 1 adopts interference seal engagement sleeves to be contained in pyrocondensation knife bar 3 outer end; Described pyrocondensation knife bar 3 adopts hollow cavity structure, the middle part of connecting screw rod 6 is provided with through hole and the sealing screw 9 installed that matches with its through hole, cooling sap cavity 4 is made to become a complete hermetic closed chamber, the through hole of connecting screw rod 6 is connected with the hollow cavity of pyrocondensation knife bar 3, pyrocondensation knife bar 3 hollow cavity between connecting screw rod 6 and cutter 1 is formed and cools sap cavity 4, encapsulation cooling fluid in cooling sap cavity 4.In the present invention, handle of a knife 5 and cutter 1 also can select standard component, after completing above-mentioned installation, are connected by handle of a knife 5 main shaft with machining center main shaft.It is by selecting the pyrocondensation knife bar of different length and size to coordinate with handle of a knife according to different machining operating mode, increases interchangeability, thus saves handle of a knife manufacture spending.When carrying out High-speed machining, the heat of cutter 1 front end itself is transmitted backward by cutter 1, and the cooling fluid in cooled sap cavity 4 absorbs, and the vibrations in process also have part the cooling fluid of cooled sap cavity 4 to be absorbed, thus reduce vibrations.Consult Fig. 1 to Fig. 6.
Embodiment 2, for solving the technical problem lengthening pyrocondensation knife bar and run into, pyrocondensation knife bar 3 of the present invention can adopt the two ends biconial structure that gradually little, waist is thicker.It is compared with traditional handle of a knife-cutter mechanism, and length and the size of the pyrocondensation knife bar in the present invention are Seriation Designs, and rigidity is better, and this makes the present invention well can select the pyrocondensation knife bar of suitable dimension according to different processing environment.Consult Fig. 1 to Fig. 6, all the other are with embodiment 1.
Embodiment 3 is improving radiating effect, and the present invention also can be connected with radiating core 2 in cutter 1 the inner, and described radiating core 2 can adopt the copper radiating core of good heat conductivity.Also the afterbody of radiating core 2 can be designed to wings to increase area of dissipation.Consult Fig. 1 to Fig. 6, all the other are with above-described embodiment 1 or 2.
Embodiment 4, for convenience of the fastness of installing with strengthen being connected, the present invention also can be provided with screwed hole in cutter 1 the inner, and one end of radiating core 2 is provided with the threaded rod closed with cutter 1 corresponding threaded holes, and radiating core 2 shaft is sleeved in cutter 1 screwed hole.Consult Fig. 1 to Fig. 6, all the other are with above-described embodiment 3.
Embodiment 5 is enhanced leaktightness effect, and the present invention also can be provided with segment hub seal circle 10 and seal it between the nut of sealing screw 9 and connecting screw rod 6 through hole.Consult Fig. 1 to 3, all the other same above-described embodiments.
Embodiment 6 is enhanced leaktightness effect, the present invention also can pyrocondensation knife bar 3 inner with between the tapering cavity bottom of handle of a knife 5 outer end, be positioned at connecting screw rod 6 periphery and coordinate and be set with tool bar sealing circle 7, make it seal cooling sap cavity 4.Consult Fig. 1 to 3, all the other same above-described embodiments.
Claims (8)
1. cool a damping pyrocondensation cutter arbor device in, it is characterized in that: it comprises handle of a knife (5), pyrocondensation knife bar (3) and cutter (1); The inner of handle of a knife (5) is the contour structures matched with machining center main shaft, handle of a knife (5) is designed to hollow structure, handle of a knife (5) for hollow cavity waist be the screw vent structure matched with connecting screw rod (6) external diameter that internal diameter is less than two ends internal diameter, the outer end of handle of a knife (5) is outwardly tapering cavity structure; The inner profile of pyrocondensation knife bar (3) is the pyramidal structure that matches with handle of a knife (5) outer end tapering cavity and the inner is provided with screw; The inner of pyrocondensation knife bar (3) is sleeved in the outer end tapering cavity of handle of a knife (5), and it is in mating connection to adopt connecting screw rod (6) to be inserted in by handle of a knife (5) the inner the screw arranged through screw vent and pyrocondensation knife bar (3) the inner, thus pyrocondensation knife bar (3) is fixedly connected with handle of a knife (5); The inner of cutter (1) adopts interference seal engagement sleeves to be contained in pyrocondensation knife bar (3) outer end; Described pyrocondensation knife bar (3) adopts hollow cavity structure, the middle part of connecting screw rod (6) is provided with through hole and the sealing screw (9) installed that matches with its through hole, the through hole of connecting screw rod (6) is connected with the hollow cavity of pyrocondensation knife bar (3), pyrocondensation knife bar (3) hollow cavity between connecting screw rod (6) and cutter (1) is formed and cools sap cavity (4), encapsulation cooling fluid in cooling sap cavity (4).
2. according to claim 1 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: described pyrocondensation knife bar (3) adopts the two ends biconial structure that gradually little, waist is thicker.
3. according to claim 1 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: described cutter (1) the inner is connected with radiating core (2).
4. according to claim 3 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: described radiating core (2) adopts the copper radiating core of good heat conductivity.
5. according to claim 3 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: the afterbody of described radiating core (2) is designed to wings to increase area of dissipation.
6. cooling damping pyrocondensation cutter arbor device according to claim 3,4 or 5, it is characterized in that: described cutter (1) the inner is provided with screwed hole, one end of radiating core (2) is provided with the threaded rod closed with cutter (1) corresponding threaded holes, and radiating core (2) shaft is sleeved in cutter (1) screwed hole.
7. according to claim 1 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: be provided with segment hub seal circle (10) between the nut of described sealing screw (9) and connecting screw rod (6) through hole and it is sealed.
8. according to claim 1 in cooling damping pyrocondensation cutter arbor device, it is characterized in that: pyrocondensation knife bar (3) inner with between the tapering cavity bottom of handle of a knife (5) outer end, be positioned at connecting screw rod (6) periphery and coordinate and be set with tool bar sealing circle (7), make it seal cooling sap cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562618.7A CN104385023B (en) | 2014-10-22 | 2014-10-22 | Inner cooling damping heat-shrinkable tool bar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562618.7A CN104385023B (en) | 2014-10-22 | 2014-10-22 | Inner cooling damping heat-shrinkable tool bar device |
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| Publication Number | Publication Date |
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| CN104385023A true CN104385023A (en) | 2015-03-04 |
| CN104385023B CN104385023B (en) | 2017-02-08 |
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| CN201410562618.7A Expired - Fee Related CN104385023B (en) | 2014-10-22 | 2014-10-22 | Inner cooling damping heat-shrinkable tool bar device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785798A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Main shaft structure of numerically-controlled machine tool |
| CN104785829A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Cutter bar device of numerically-controlled machine tool and operation method thereof |
| CN104785864A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Machining mechanism of numerical control machine tool |
| CN104785806A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Tool bar structure of numerical control machine tool |
| CN104959665A (en) * | 2015-05-28 | 2015-10-07 | 湘潭大学 | Combinatory highly-flexible cutter bar |
| CN108480733A (en) * | 2018-04-17 | 2018-09-04 | 山东大学 | Pass through the rotational automatic dynamic balancing milling arbor of the big L/D ratio ultrahigh speed of material compensation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785798A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Main shaft structure of numerically-controlled machine tool |
| CN104785829A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Cutter bar device of numerically-controlled machine tool and operation method thereof |
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| CN104785806A (en) * | 2015-04-20 | 2015-07-22 | 中山市利群精密实业有限公司 | Tool bar structure of numerical control machine tool |
| CN104959665A (en) * | 2015-05-28 | 2015-10-07 | 湘潭大学 | Combinatory highly-flexible cutter bar |
| CN108480733A (en) * | 2018-04-17 | 2018-09-04 | 山东大学 | Pass through the rotational automatic dynamic balancing milling arbor of the big L/D ratio ultrahigh speed of material compensation |
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| Publication number | Publication date |
|---|---|
| CN104385023B (en) | 2017-02-08 |
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