CN103692220A - Seven-axis turn-milling machining center - Google Patents

Seven-axis turn-milling machining center Download PDF

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Publication number
CN103692220A
CN103692220A CN201310696612.4A CN201310696612A CN103692220A CN 103692220 A CN103692220 A CN 103692220A CN 201310696612 A CN201310696612 A CN 201310696612A CN 103692220 A CN103692220 A CN 103692220A
Authority
CN
China
Prior art keywords
axis
guide rail
milling
transmission
main shaft
Prior art date
Application number
CN201310696612.4A
Other languages
Chinese (zh)
Inventor
陈钒
陈蜀中
方敏
陈益王
Original Assignee
江苏建一机床有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏建一机床有限公司 filed Critical 江苏建一机床有限公司
Priority to CN201310696612.4A priority Critical patent/CN103692220A/en
Publication of CN103692220A publication Critical patent/CN103692220A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015Frames, beds, pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017Arrangements of ways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories 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
    • B23Q11/08Protective coverings for parts of machine tools; Splash guards
    • B23Q11/0825Relatively slidable coverings, e.g. telescopic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • B23Q5/04Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/20Adjusting or stopping working-spindles in a predetermined position

Abstract

The invention discloses a seven-axis turn-milling machining center. The machining center comprises a base, a lathe body arranged on the base, a work-piece clamping unit, a turning unit and a milling unit. An X-axis guide rail A and an X-axis guide rail B which are parallel are arranged on the lathe body. The work-piece clamping unit comprises a spindle box connected with one end of the lathe body and a spindle connected with the spindle box, a work-piece clamp is arranged at one end of the spindle, which faces towards the lathe body, and the end of the spindle, which face towards the lathe body, performs transmission with the motor. A saddle A of the turning unit and a saddle B of the milling unit are connected with the X-axis guide rail A and the X-axis guide rail B through a transmission unit A and a transmission unit B respectively, and a turning tool of the turning unit and a milling electric spindle of the milling unit face towards the work-piece clamp respectively. According to the seven-axis turn-milling machining center, the arrangement is reasonable, the structure is compact, four-axis linkage can be performed during turning or milling, and work-piece machining is flexible and convenient.

Description

Seven axle turn-milling complex machining centers
Technical field
The present invention relates to machining center field, be specifically related to seven axle turn-milling complex machining centers.
Background technology
Lathe refers to the machine of manufacturing machine, also claims machine-tool or toolroom machine, is called for short traditionally lathe, is generally divided into Metal Cutting Machine Tool, forging machine tool and wood craft machines etc.In modern mechanical manufacturing, the method for processing equipment part is a lot, except machining, also have casting, forging, welding, punching press, extruding etc., in every case belong to the part that required precision is higher and surface roughness requirement is thinner, generally all need on lathe, by the method for cutting, finally process, lathe plays significant role in the construction of national economic modernization.
The common type of lathe comprises the lathe that the workpiece of rotation is carried out to turning processing with cutter, with the cutter of rotation, fixation workpiece is carried out to boring machine, the milling machine of boring, Milling Process, with cutter, at surface of the work, carry out the planer of reciprocating linear planing operation etc., and the Digit Control Machine Tool that program control system is housed, Digit Control Machine Tool have machining accuracy high, can multi-coordinate interlock processed complex part, produce short, the advantage such as production efficiency is high, labour intensity is low of time, the development level of Digit Control Machine Tool is a modern important symbol of national industrialization.
Machining center is a kind of numerical control machine tool being developed by CNC milling machine, machining center is provided with tool magazine, in tool magazine, depositing different types of cutter or cubing, in process, by program, automatically select and change, the functions such as milling, boring, drilling, tapping and screw cutting are concentrated on a machine tool; And turn-milling complex machining center is a kind of Digit Control Machine Tool with turning and Milling Function of while, function is more comprehensive, machinable workpiece kind is abundanter, the number of axle of turn-milling complex machining center is a key factor of its performance, also there is no at present a kind of seven axle turn-milling complex machining centers, can be more flexibly, processing work easily.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of seven axle turn-milling complex machining centers, can be more flexibly, processing work easily.
The present invention is achieved through the following technical solutions:
Seven axle turn-milling complex machining centers, comprise pedestal and are arranged at the lathe bed on pedestal, described lathe bed is provided with X-axis A guide rail and the X-axis B guide rail being parallel to each other; Also comprise work holder, truning fixture and milling attachment;
Described work holder comprises the main spindle box that is connected in lathe bed one end and the main shaft that is connected in main spindle box, described main shaft and X-axis A guide rail or X-axis B guide rail parallel and above between X-axis A guide rail and X-axis B guide rail, described main shaft is provided with work piece holder towards one end of lathe bed, and described main shaft is one end and the motor-driven of lathe bed dorsad;
The A saddle of described truning fixture and the B saddle of milling attachment are respectively by transmission device A, transmission device B is connected in X-axis A guide rail and X-axis B guide rail, on described A saddle and B saddle, be respectively equipped with Y-axis A guide rail and Y-axis B guide rail, the main shaft tower lower end of the cutter tower of truning fixture and milling attachment is respectively by transmission device C, transmission device D is connected in Y-axis A guide rail and Y-axis B guide rail, on the cutter tower of described truning fixture and the main shaft tower of milling attachment, be respectively equipped with Z axis A guide rail and Z axis B guide rail, the lathe tool of truning fixture and the milling of milling attachment electricity main shaft are respectively by transmission device E, transmission device F is connected in Z axis A guide rail and Z axis B guide rail, described lathe tool and milling electricity main shaft are respectively towards work piece holder setting.
Described lathe bed is comprised of the oblique lathe bed A being arranged side by side and oblique lathe bed B, and tiltedly lathe bed A tilts to the same side with the upper surface of oblique lathe bed B, and X-axis A guide rail and X-axis B guide rail are separately positioned on the upper surface of oblique lathe bed A and oblique lathe bed B; Two ends, described main spindle box bottom are connected to same one end of oblique lathe bed A and oblique lathe bed B;
In the spindle hole of described main spindle box, interference is connected with axle sleeve, and described main shaft is rotationally connected with axle sleeve, is also connected with brake apparatus on described main shaft, and the work piece holder that is connected in main shaft is oild chuck.
Described brake apparatus is hydraulic disc brake, comprises brake disc and braking clamp, and described brake disc is connected in main shaft with one heart, and described braking clamp is fixed on main spindle box.
Described motor is servomotor, and described main shaft is by Timing Belt and motor-driven.
The main shaft tower side of described milling attachment is connected with disc type tool magazine, between the tool changing mouth of described disc type tool magazine and milling electricity main shaft, is provided with automatic isolating door.
Described automatic isolating door comprises the panel beating that is provided with aperture of door, and the door matching with aperture of door, and described panel beating is provided with slide rail at the upper and lower two ends of aperture of door, and described door is provided with hook, and described hook connecting is connected to slide rail, described door and driving mechanism for switch transmission.
Described driving mechanism for switch is to be parallel to the air rammer that slide rail arranges, and the cylinder body of described air rammer is fixedly connected on panel beating, and the piston rod of described air rammer is flexible along slide rail direction, and the piston rod end of described air rammer is fixedly connected on the limit portion of door.
Described transmission device A, transmission device B, transmission device C, transmission device D, transmission device E, transmission device F be screw mandrel respectively with the leading screw of corresponding servo motor transmission.
The invention has the advantages that:
One, provide a kind of seven axle turn-milling complex machining centers, rationally distributed, compact conformation, can be four-axle linked when carrying out turning or Milling Process, and processing work flexibly, conveniently;
Two, tiltedly the upper surface of lathe bed A and oblique lathe bed B tilts to the same side, is convenient to chip removal, and process does not need to regulate machined surface simultaneously, convenient;
Three, the workspace at automatism isolation goalkeeper disc type tool magazine and milling electricity main shaft place keeps apart, and prevents that dust from entering tool magazine, and cutter is changed in damage cutter and impact;
Four, main shaft is connected with main spindle box by axle sleeve, easy to maintenance on the one hand, produces after wearing and tearing on the other hand at long-play, only needs to change axle sleeve, extends the service life of main spindle box, reduces the operating cost of lathe;
Five, main shaft is by Timing Belt and motor-driven, and transmission accuracy loss is little, and the belt wheel small volume of Timing Belt, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is pedestal of the present invention and lathe bed structure schematic diagram.
Fig. 3 is work holder structural representation of the present invention.
Fig. 4 is milling attachment structural representation of the present invention.
The specific embodiment
Seven axle turn-milling complex machining centers as shown in Figure 1, Figure 2, Figure 3, Figure 4, comprise pedestal 1 and be arranged at the lathe bed on pedestal 1, described lathe bed is comprised of the oblique lathe bed A11 being arranged side by side and oblique lathe bed B12, and tiltedly the upper surface of lathe bed A11 and oblique lathe bed B12 tilts to the same side, described oblique lathe bed A11 and the tiltedly upper surface of lathe bed B12 are respectively equipped with X-axis A guide rail 13 and the X-axis B guide rail 14 being parallel to each other; Also comprise work holder 2, truning fixture 3 and milling attachment 4;
Described work holder 2 comprises that two ends, bottom are connected to oblique lathe bed A11 and the main spindle box 21 of same one end of oblique lathe bed B12 and the main shaft 22 that is connected in main spindle box 21, in the spindle hole of described main spindle box 21, interference is connected with axle sleeve 26, described main shaft 22 is rotationally connected with axle sleeve 26, described main shaft 22 is parallel with X-axis A guide rail 13 or X-axis B guide rail 14 and above between X-axis A guide rail 13 and X-axis B guide rail 14, described main shaft 22 is provided with oild chuck as work piece holder 23 towards one end of lathe bed, described main shaft 22 dorsad one end of lathe bed passes through Timing Belt (not shown) and servomotor 27 transmissions, on described main shaft 22, be also connected with hydraulic disc brake as brake apparatus, comprise brake disc 24 and braking clamp 25, described brake disc 24 is connected in main shaft 22 with one heart, and described braking clamp 25 is fixed on main spindle box 21.
The A saddle 31 of described truning fixture 3 and the B saddle 42 of milling attachment 4 are respectively by transmission device A, transmission device B is connected in X-axis A guide rail 13 and X-axis B guide rail 14, on described A saddle 31 and B saddle 42, be respectively equipped with Y-axis A guide rail 32 and Y-axis B guide rail 43, main shaft tower 44 lower ends of the cutter tower 34 of truning fixture 3 and milling attachment 4 are respectively by transmission device C, transmission device D is connected in Y-axis A guide rail 32 and Y-axis B guide rail 43, on the cutter tower 34 of described truning fixture 3 and the main shaft tower 44 of milling attachment 4, be respectively equipped with Z axis A guide rail and Z axis B guide rail, the lathe tool 33 of truning fixture 3 and the milling of milling attachment 4 electricity main shaft 41 are respectively by transmission device E, transmission device F is connected in Z axis A guide rail and Z axis B guide rail, described lathe tool 33 and milling electricity main shaft 41 arrange towards work piece holder 23 respectively, described transmission device A, transmission device B, transmission device C, transmission device D, transmission device E, transmission device F be screw mandrel respectively with the leading screw of corresponding servo motor transmission, main shaft tower 44 sides of described milling attachment 4 are connected with disc type tool magazine 46, between the tool changing mouth of described disc type tool magazine 46 and milling electricity main shaft 41, are provided with automatic isolating door, described automatic isolating door comprises the panel beating 410 that is provided with aperture of door, and the door 47 matching with aperture of door, described panel beating 410 is provided with slide rail 48 at the upper and lower two ends of aperture of door, and described door 47 is provided with hook, described hook connecting is connected to slide rail 48, described door 47 and driving mechanism for switch 49 transmissions, the air rammer that described driving mechanism for switch 49 arranges for being parallel to slide rail 48, the cylinder body of described air rammer is fixedly connected on panel beating 410, the piston rod of described air rammer is flexible along slide rail 48 directions, and the piston rod end of described air rammer is fixedly connected on the limit portion of door 47.

Claims (9)

1. seven axle turn-milling complex machining centers, is characterized in that: comprise pedestal (1) and be arranged at the lathe bed on pedestal (1), described lathe bed is provided with X-axis A guide rail (13) and the X-axis B guide rail (14) being parallel to each other; Also comprise work holder (2), truning fixture (3) and milling attachment (4);
Described work holder (2) comprises the main spindle box (21) that is connected in lathe bed one end and the main shaft (22) that is connected in main spindle box (21), described main shaft (22) is parallel with X-axis A guide rail (13) or X-axis B guide rail (14) and be positioned at the top between X-axis A guide rail (13) and X-axis B guide rail (14), described main shaft (22) is provided with work piece holder (23) towards one end of lathe bed, described main shaft (22) is one end and motor (27) transmission of lathe bed dorsad;
The A saddle (31) of described truning fixture (3) and the B saddle (42) of milling attachment (4) are respectively by transmission device A, transmission device B is connected in X-axis A guide rail (13) and X-axis B guide rail (14), on described A saddle (31) and B saddle (42), be respectively equipped with Y-axis A guide rail (32) and Y-axis B guide rail (43), main shaft tower (44) lower end of the cutter tower (34) of truning fixture (3) and milling attachment (4) is respectively by transmission device C, transmission device D is connected in Y-axis A guide rail (32) and Y-axis B guide rail (43), on the cutter tower (34) of described truning fixture (3) and the main shaft tower (44) of milling attachment (4), be respectively equipped with Z axis A guide rail and Z axis B guide rail, the lathe tool (33) of truning fixture (3) and the milling of milling attachment (4) electricity main shaft (41) are respectively by transmission device E, transmission device F is connected in Z axis A guide rail and Z axis B guide rail, described lathe tool (33) and milling electricity main shaft (41) arrange towards work piece holder (23) respectively.
2. seven axle turn-milling complex machining centers as claimed in claim 1, it is characterized in that: described lathe bed is by the oblique lathe bed A(11 being arranged side by side) and oblique lathe bed B(12) form, and oblique lathe bed A(11) and tiltedly upper surface lathe bed B(12) tilts to the same side, and X-axis A guide rail (13) and X-axis B guide rail (14) are separately positioned on oblique lathe bed A(11) and oblique lathe bed B(12) upper surface; Two ends, described main spindle box (21) bottom are connected to oblique lathe bed A(11) and oblique lathe bed B(12) same one end.
3. seven axle turn-milling complex machining centers as claimed in claim 1 or 2, it is characterized in that: in the spindle hole of described main spindle box (21), interference is connected with axle sleeve (26), described main shaft (22) is rotationally connected with axle sleeve (26), described main shaft is also connected with brake apparatus on (22), and the work piece holder (23) that is connected in main shaft (22) is oild chuck.
4. seven axle turn-milling complex machining centers as claimed in claim 3, it is characterized in that: described brake apparatus is hydraulic disc brake, comprise brake disc (24) and braking clamp (25), described brake disc (24) is connected in main shaft (22) with one heart, and described braking clamp (25) is fixed on main spindle box (21).
5. seven axle turn-milling complex machining centers as claimed in claim 1, is characterized in that: described motor (27) is servomotor, and described main shaft (22) is by Timing Belt and motor (27) transmission.
6. seven axle turn-milling complex machining centers as claimed in claim 1, it is characterized in that: main shaft tower (44) side of described milling attachment (4) is connected with disc type tool magazine (46), between the tool changing mouth of described disc type tool magazine (46) and milling electricity main shaft (41), be provided with automatic isolating door.
7. seven axle turn-milling complex machining centers as claimed in claim 6, it is characterized in that: described automatic isolating door comprises the panel beating (410) that is provided with aperture of door, and with aperture of door match door (47), described panel beating (410) is provided with slide rail (48) at the upper and lower two ends of aperture of door, described door (47) is provided with hook, described hook connecting is connected to slide rail (48), described door (47) and driving mechanism for switch (49) transmission.
8. seven axle turn-milling complex machining centers as claimed in claim 7, it is characterized in that: the air rammer that described driving mechanism for switch (49) arranges for being parallel to slide rail (48), the cylinder body of described air rammer is fixedly connected on panel beating (410), the piston rod of described air rammer is flexible along slide rail (48) direction, and the piston rod end of described air rammer is fixedly connected on the limit portion of door (47).
9. seven axle turn-milling complex machining centers as claimed in claim 1, is characterized in that: described transmission device A, transmission device B, transmission device C, transmission device D, transmission device E, transmission device F be screw mandrel respectively with the leading screw of corresponding servo motor transmission.
CN201310696612.4A 2013-12-18 2013-12-18 Seven-axis turn-milling machining center CN103692220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104368994A (en) * 2014-09-18 2015-02-25 浙江法拿克机械科技有限公司 Workbench mechanism of compound machining center
CN104801990A (en) * 2015-04-28 2015-07-29 佛山市普拉迪数控科技有限公司 Numerical control machine tool with multi-axis machining function
CN104801989A (en) * 2015-04-28 2015-07-29 佛山市普拉迪数控科技有限公司 Novel numerical control machine tool with multi-axial machining function
CN105382493A (en) * 2015-12-02 2016-03-09 中国南方航空工业(集团)有限公司 Machining method for steel structural part large in ratio of length to diameter
CN106041535A (en) * 2016-08-06 2016-10-26 杭州德昶科技有限公司 Bolt screwing tool machining equipment
CN107791089A (en) * 2016-09-02 2018-03-13 株式会社O-M制作所 Lathe
CN110625443A (en) * 2019-09-29 2019-12-31 北京市机电研究院有限责任公司 Five-axis linkage numerical control machine tool

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CN201596924U (en) * 2009-12-10 2010-10-06 沈阳机床(集团)设计研究院有限公司 Novel magazine tool door mechanism
CN101898305A (en) * 2010-07-27 2010-12-01 济南一机床集团有限公司 Turning-milling machining center
CN201728528U (en) * 2010-05-31 2011-02-02 奕达精机股份有限公司 Turn-milling compound machine
CN101961835A (en) * 2010-08-17 2011-02-02 佛山市圣特斯数控设备有限公司 Numerical control turning-milling compound machine
CN103009065A (en) * 2012-12-14 2013-04-03 六安瑞普数控装备有限公司 Polygonal compound turn-milling machining device
CN203636358U (en) * 2013-12-18 2014-06-11 江苏建一机床有限公司 Seven-axle turning-milling combined machining system

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JPH07290331A (en) * 1994-04-20 1995-11-07 Hamai Sangyo Kk Vertical machining center
CN201596924U (en) * 2009-12-10 2010-10-06 沈阳机床(集团)设计研究院有限公司 Novel magazine tool door mechanism
CN201728528U (en) * 2010-05-31 2011-02-02 奕达精机股份有限公司 Turn-milling compound machine
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104368994A (en) * 2014-09-18 2015-02-25 浙江法拿克机械科技有限公司 Workbench mechanism of compound machining center
CN104368994B (en) * 2014-09-18 2017-01-11 浙江三创机械科技有限公司 Workbench mechanism of compound machining center
CN104801990A (en) * 2015-04-28 2015-07-29 佛山市普拉迪数控科技有限公司 Numerical control machine tool with multi-axis machining function
CN104801989A (en) * 2015-04-28 2015-07-29 佛山市普拉迪数控科技有限公司 Novel numerical control machine tool with multi-axial machining function
CN105382493A (en) * 2015-12-02 2016-03-09 中国南方航空工业(集团)有限公司 Machining method for steel structural part large in ratio of length to diameter
CN106041535A (en) * 2016-08-06 2016-10-26 杭州德昶科技有限公司 Bolt screwing tool machining equipment
CN106041535B (en) * 2016-08-06 2018-06-22 杭州德昶科技有限公司 A kind of tool for unscrewing/screwing bolt process equipment
CN107791089A (en) * 2016-09-02 2018-03-13 株式会社O-M制作所 Lathe
CN110625443A (en) * 2019-09-29 2019-12-31 北京市机电研究院有限责任公司 Five-axis linkage numerical control machine tool

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