CN102091942A - Five-axis linkage horizontal machining center machine tool - Google Patents

Five-axis linkage horizontal machining center machine tool Download PDF

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Publication number
CN102091942A
CN102091942A CN 201010613814 CN201010613814A CN102091942A CN 102091942 A CN102091942 A CN 102091942A CN 201010613814 CN201010613814 CN 201010613814 CN 201010613814 A CN201010613814 A CN 201010613814A CN 102091942 A CN102091942 A CN 102091942A
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CN
China
Prior art keywords
axis
column
lathe bed
horizontal
lathe
Prior art date
Application number
CN 201010613814
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Chinese (zh)
Inventor
刘春时
李焱
侯延星
张凯
徐吉存
张传思
闫海
赵雷
戚远大
马云鹏
化春雷
徐兆成
张健
楚文龙
韩佳伟
罗和平
周树藩
崔欣平
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中捷机床有限公司
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Application filed by 中捷机床有限公司 filed Critical 中捷机床有限公司
Priority to CN 201010613814 priority Critical patent/CN102091942A/en
Publication of CN102091942A publication Critical patent/CN102091942A/en

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Abstract

The invention discloses a five-axis linkage horizontal machining center machine tool. A lathe bed comprises a horizontal lathe bed and a longitudinal lathe bed. The machine tool is characterized in that: the horizontal and longitudinal lathe beds are arrange in a T shape; a rotary table moves side to side, namely performs X-axis motion on the horizontal lathe bed; an upright post moves back and forth, namely performs Z-axis motion on the longitudinal lathe bed; a spindle head drives a spindle to move up and down, namely performs Y-axis motion on the upright post; the spindle swings around the axis of the A axis, namely performs A-axis motion; the rotary table rotates around the axis of the Y axis, namely performs B-axis motion; the X axis, Y axis, Z axis, A axis and B axis can realize five-axis linkage machining; the A-axis single spindle head has a wide pendulum angle ranging from -120 to +95 degrees; a double-exchange workbench is matched in front of the horizontal lathe bed; the right of the longitudinal lathe bed is provided with a magazine tool and a tool changing mechanical arm, and also provided with a tool measuring and workpiece measuring device; and the moving upright post has a front-and-side bidirectional variable cross section structure. The five-axis linkage horizontal machining center machine tool is suitable for machining medium and large titanium alloy aviation structures at high efficiency and high precision, and meets the requirements on high-efficiency high-precision machining equipment for the titanium alloy aviation structures of the domestic aerospace industry.

Description

A kind of five-axle linkage horizontal Machining centers lathe
Technical field
The present invention relates to mechanical production devices, promptly a kind ofly be used for that difficult-to-machine material complex profile aerospace component such as titanium alloy is efficient, the five-axle linkage horizontal Machining centers lathe of high accuracy processing.
Background technology
In recent years, along with developing rapidly of Aero-Space industry, demand to aircraft on the market is increasing, performance requirement to present generation aircraft is also more and more higher, titanium alloy is with than the application of characteristics on present generation aircraft such as its intensity height, good mechanical property and decay resistance are strong more and more widely, especially in high-performance fighter aircraft, the shared ratio of titanium alloy surpasses 40%.Titanium alloy belongs to difficult-to-machine material, exists cutting force big in reality processing, and thermal conductivity is low, and frictional force is big, easily forms problems such as surperficial hard formation.Simultaneously, modern aerospace component adopts the integral workblank processing mode more, and the part clearance is big, complex structure, and many thin-walleds, hole, groove, and require more and more higher to the dimensional accuracy and the surface quality of part.Along with the continuous increase of titanium alloy proportion on present generation aircraft, the digital control processing quality of titanium alloy aerospace component and working (machining) efficiency are also increasing to the influence of Aviation Manufacturing Enterprises.Aspect the processing of titanium alloy aerospace component, traditional diamond-making technique adopts low speed, high pulling torque lathe at present, and the mode of the slow-speed of revolution, big cutting-in is processed, and working (machining) efficiency is very low.Along with the extensive application of titanium alloy in aerospace component, the bottleneck that the working (machining) efficiency problem of titanium alloy aerospace component will become the development of restriction present generation aircraft, produce.Therefore, how to realize that efficient, the high accuracy of titanium alloy aerospace component are processed into a difficult problem of home and abroad Aviation Manufacturing Enterprises.
Titanium alloy aerospace component machining tool mostly is the 5-shaft linkage numerical control lathe, and it is very rarely seen to satisfy the homemade 5-shaft linkage numerical control lathe of this requirement, and is mainly upright type five-shaft machining center lathe, and working (machining) efficiency is lower.It is more convenient, rapid than adopting the chip removal of upright type five-shaft machining center to adopt horizontal five Cutter Body Processing with Machining Center aerospace components, helps improving the crudy of aerospace component; To some plate class aerospace component, can be implemented in and pass through a clamping on a machine tool, finish the processing of a plurality of workpiece, improve the working (machining) efficiency of workpiece; The configuration pallet changer can be realized multistation processing and set up flexible production line, improve utilization rate of equipment and installations.Therefore horizontal five machining centers are more suitable for efficient, the high accuracy processing of titanium alloy aerospace component.Present domestic horizontal five machining centers that also do not have manufacturer production to be used for the machining titanium alloy aerospace component, the user can only be from external import, and price is very expensive, and Lead Time is long, and purchase often is restricted.Therefore, it is extremely urgent concerning domestic lathe manufacturing enterprise to develop this type of lathe.
Horizontal five machining centers can be divided into 3 kinds of basic structures according to the arrangement of two rotating shaft: one is that two rotating shafts are all at horizontal five machining centers of the Double swing head of spindle end, this structure is to satisfy the demand of titanium alloy processing to big cutting force, high pulling torque, the physical dimension of yaw generally designs greatlyyer, structure is more complicated also, cause yaw and the main shaft length that overhangs, poor rigidity, main shaft is horizontal, and to add the man-hour problem especially outstanding; Two is that two rotating shafts are all at horizontal five machining centers of double pendulum platform of you of working, the advantage of this structure is that main axle structure is fairly simple, the main shaft rigidity is very good, but the general work platform can not design too greatly, load-bearing is also less, otherwise oscillatory load is bigger, and dynamic property reduces greatly, particularly when A axle (turntable swinging axle) is swung greater than 90 °, can produce very big carrying moment to workbench during cutting workpiece; Three respectively arrange the single pendulum head of a rotating shaft for spindle end and work you joins horizontal five machining centers of rotary table structure, excellent, the shortcoming of this structure is that preceding two kinds of structures are excellent, shortcoming compromise, be suitable for requiring simultaneously high rigidity and high dynamic performance in, the processing of heavy parts, and the titanium alloy aerospace component mostly be in, heavy parts, and require high rigidity, high pulling torque processing and highly-efficient processing, be particularly suitable for adopting the five-axle linkage horizontal Machining centers of the third structure.
Summary of the invention
The purpose of this invention is to provide a kind of five-axle linkage horizontal Machining centers lathe, satisfy that domestic air mail space flight industry is efficient to the titanium alloy aerospace component, the demand of high accuracy process equipment.
Five-axle linkage horizontal Machining centers lathe, its lathe bed comprises horizontal lathe bed 1 and vertical lathe bed 2, it is characterized in that horizontal stroke, vertical lathe bed are the T type and arrange, rotary table side-to-side movement on horizontal lathe bed is the X-axis motion, column front and back motion on vertical lathe bed is the motion of Z axle, and it is the Y-axis motion that yaw drive main shaft moves up and down on column, and it is the motion of A axle that main shaft is swung around the X-axis axis, rotary table rotates around the Y-axis axis and is the motion of B axle, and X-axis, Y-axis, Z axle, A axle and B axle can be realized five-axle linkage processing; Lathe A axle (single pendulum head) has the angular region of putting on-120 °~+ 95 °, horizontal lathe bed the place ahead is furnished with double change-table, vertical lathe bed right side is provided with tool magazine and tool-changing mechanical arm, lathe also is provided with cutting tools measurement and workpiece calibration device, and the automatic on-line that carries out cracking of cutter detection, tool dimension measurement and workpiece processing dimension detects; Mobile column is positive and the two-way variable section structure in side.
Five-axle linkage horizontal Machining centers of the present invention is compared with upright type five-shaft Cutter Body Processing with Machining Center titanium alloy aerospace component, chip removal is convenient, rapid, reduced the time that smear metal stops on workpiece, thereby reduced smear metal, helped improving the machining accuracy of workpiece to the thermal deformation that workpiece brings; For some plate class, frame class aerospace component, clamping is on 4 facades that are fixed on the square anchor clamps on the platen respectively, on a machine tool,, can finish the processing of maximum 4 workpiece, thereby improve the working (machining) efficiency of workpiece greatly by a clamping; This lathe configuration pallet changer can be realized multistation processing and set up flexible production line, to improve utilization rate of equipment and installations.This lathe is compared with horizontal five machining center lathes of Double swing head and double pendulum platform structure, has enough main shaft rigidity and higher dynamic property concurrently, is more suitable for efficient, the high accuracy processing of centering, large titanium alloy aerospace component.Lathe A axle (single pendulum head) has 215 ° and puts on angular region (120 °~+ 95 °), can realize the bigger range of work, has higher processing flexibility, can satisfy having the processing of different shape complex curved surface parts on a large scale.The lathe mobile column adopts the two-way variable section structure of optimizing, and to reduce its center of gravity to greatest extent, alleviates its weight, improves its rigidity mass ratio, thereby improves its movement velocity, acceleration and dynamic property, realizes highly-efficient processing.
Description of drawings
Fig. 1 is the perspective view of lathe of the present invention.
Fig. 2 is a lathe A axle pivot angle scope schematic diagram of the present invention.
Fig. 3 is the perspective view of lathe mobile column of the present invention.
Fig. 4 is the front view of lathe mobile column contour structures of the present invention.
Fig. 5 is the side view of lathe mobile column contour structures of the present invention.
The specific embodiment:
Five-axle linkage horizontal Machining centers lathe of the present invention, stereochemical structure as shown in Figure 1, horizontal lathe bed 1 and vertical lathe bed 2 link together by screw, are the T font structure and arrange.Two X-axis that are arranged symmetrically on the horizontal lathe bed 1 drive servomotor 19 and 20 by ball-screw 21 and 22 driving table saddles 3, drive the work table rotation seat 4 and workbench 5 side-to-side movement on horizontal lathe bed 1 that are provided with on the table saddle 3, are the X-axis motion.The bottom of column 6 and parallel ball-screw 25 and 26 positioned vertical, two Z axles that are arranged symmetrically on the vertical lathe bed 2 drive servomotor 23 and 24 front and back motion on vertical lathe bed 2 by ball-screw 25 and 26 driving columns 6, are the motion of Z axle.The yaw seat 7 that is arranged on the column 6 preceding facade ball-screws 28 is moved up and down on column by 27 drivings of Y-axis driving servomotor, is the Y-axis motion; A axle on the yaw seat 7 drives servomotor 29 drive shaft casees 8, drives main shaft 9 and swings around the X-axis axis in yaw seat 7, is the motion of A axle.The B axle drives servomotor 30 and drives work table rotation seat 4, drives workbench 5 and rotates around the Y-axis axis in table saddle 3, is the motion of B axle.
The vertical lathe bed 2 right flanks configuration of lathe tool magazine 10, configuration tool-changing mechanical arm arm 11 between tool magazine 10 and the main shaft 9, it extracts used cutter from main shaft 9, and inserts new cutter, realizes the automatic exchange of cutter.
The horizontal lathe bed of lathe 1 the place ahead configuration double change-table: left pallet changer 12 and right pallet changer 13, left side pallet changer 12 (or right pallet changer 13) will be held the workbench of the workpiece of completion of processing and move on the left pallet changer 12 (or right pallet changer 13) from processing district (on the work table rotation seat 4), right pallet changer 13 (or left pallet changer 12) will be held the workbench of workpiece to be processed and shift processing district (on the work table rotation seat 4) onto from right pallet changer 13 (or left pallet changer 12), realize the automatic exchange of workbench and workpiece, process non-cutting time to shorten, improve the working (machining) efficiency of workpiece.
Left-right symmetry disposes split type laser cutting tool measurement mechanism 14,15 on the horizontal lathe bed 1 of lathe, can realize the measurement to machine tool length and diameter dimension, and measured value is charged in the machine tool tables of data automatically, for the tool dimension parametric compensation provides data; This device also can be used for tool failure and detects, and reports to the police when tool failure and shuts down, and reduces the scrappage of workpiece.
Lathe is furnished with the workpiece calibration device, after workpiece machines, takes out workpiece probe 16 by tool-changing mechanical arm arm 11 from tool magazine 10, and is inserted in the main shaft 9, drives workpiece probe 16 by main shaft 9, and workpiece is carried out online dimensional measurement.Like this, can finish the processing and the detection of workpiece, improve the manufacturing efficient of part by clamping.
Fig. 2 is a lathe A axle pivot angle scope schematic diagram of the present invention, main shaft is zero point with the level, can be around the X-axis axis to 120 ° of lower swings, upwards swing 95 °, be that lathe A axle has 215 ° and puts on angular region, to realize the bigger range of work and higher flexibility, in order to satisfy processing request to large-scale various complex curved surface parts.
Two-way variable cross-section column shown in Figure 3, in the column design process, by finite element analysis software its static properties and dynamic property are carried out finite element analysis repeatedly, and at analysis result, find out the weak link of structure, make amendment, final column profile and the structure that obtains both had enough quiet rigidity, have light as far as possible weight and low center of gravity again, to obtain higher dynamic property.The shape of the column 6 that finally obtains is optimized for " up-narrow and down-wide " two-way variable section structure, the one, from frontal, column front inward flange is a parallel straight edge, settle guide rail, positive left and right sides outward flange is the up-narrow and down-wide of symmetry, see Fig. 4, ratio between column top width d1 and the bottom width d2 is about 0.7, the cross section O-O at its variable cross-section flex point place is about 1.5 to the vertical range d3 and the cross section O-O on column top to the ratio between the vertical range d4 of column bottom, angle value between column lower right side profile inclined-plane and the column right side vertical plane is 10 °, its intersection from cross section O-O and column upper right vertical plane begins to extend downwards along the inclined-plane, till intersecting with right side, column bottom vertical plane; The 2nd, direction is seen from the side, see that the right side of side uprights is the rear side of Fig. 4 central post among Fig. 5, the column left side edge promptly is the front of mounting guide rail, be perpendicular to upper and lower end, the big portion of the posterior edges of column is transition line from narrow to wide, ratio between column 6 rear side top width d5 and the bottom width d6 is about 0.7, begin to extend downwards from column rear side top along the inclined-plane, till intersecting with column bottom rear vertical surface, the profile inclined-plane and the angle value between the homonymy vertical plane of column rear side are 5 °.Column bottom rear vertical surface intersection point is lower than the cross section O-O point in column front.

Claims (4)

1. five-axle linkage horizontal Machining centers lathe, its lathe bed comprises horizontal lathe bed (1) and vertical lathe bed (2), it is characterized in that: horizontal lathe bed (1) is the T type with vertical lathe bed (2) and arranges, settle the column (6) of Y-axis to place on the two Z axis rails that are arranged symmetrically in vertical lathe bed (2), drive servomotor (23,24) by two Z axles on the vertical lathe bed (2) and drive by ball-screw (25,26) respectively, be the motion of Z axle; Be placed in the table saddle (3) on the horizontal lathe bed (1), drive servomotor (19,20) by two X-axis on the horizontal lathe bed (1) and drive by the ball-screw (21,22) of symmetric arrangement respectively, go up side-to-side movement, be the X-axis motion at horizontal lathe bed (1); The yaw seat (7) that is arranged on the column (6) drives servomotor (27) by ball-screw (28) driving by Y-axis, on column, moves up and down, and be the Y-axis motion; The main spindle box (8) of interior dress main shaft (9) is arranged on the middle part of yaw seat (7), and drive servomotor (29) by the A axle and drive, around the swing of X-axis axis, be that the A axle moves; Work table rotation seat (4) drives servomotor (30) by the B axle and drives, and the workbench (5) that drives on it rotates around the Y-axis axis, is the motion of B axle; Work table rotation seat (4) moves along X-axis on table saddle (3) thereupon; Horizontal lathe bed 1 the place ahead is provided with pallet changer (12,13), realizes the automatic exchange of two workbench; Vertical lathe bed (2) side is provided with tool magazine (10) and tool-changing mechanical arm arm (11), realizes the automatic exchange of cutter; Horizontal lathe bed (1) is provided with cutting tools measurement device (14,15), is used for carrying out the accurate measurement of cracking of cutter detection and tool dimension, for the tool dimension parametric compensation provides data; Horizontal lathe bed (1) bilateral symmetry is arranged two chain of stations formula chip cleaners (17,18); Lathe mobile column (6) is two-way variable section structure.
2. five-axle linkage horizontal Machining centers lathe according to claim 1 is characterized in that main shaft is zero point with the level, can upwards swing 95 ° around the X-axis axis to 120 ° of lower swings, and promptly lathe A axle has 215 ° the angular region of putting on.
3. five-axle linkage horizontal Machining centers lathe according to claim 1, the two-way variable section structure profile that it is characterized in that lathe mobile column (6): frontal left and right sides outward flange symmetry is up-narrow and down-wide, the posterior edges of side surface direction from top to bottom the big portion of portion be transition line from narrow to wide, wide with the bottom after the front transition line overlaps to the base.
4. five-axle linkage horizontal Machining centers lathe according to claim 3, it is characterized in that the ratio between positive top width d1 of lathe mobile column (6) and the bottom width d2 is about 0.7, the cross section O-O at its variable cross-section flex point place is about 1.5 to the vertical range d3 and the cross section O-O on column top to the ratio between the vertical range d4 of column bottom, angle value between column lower bevel profile side and the inboard vertical edge of column symmetry is 10 °, its intersection from cross section O-O and column upper left-hand vertical plane begins to extend downwards along the inclined-plane, till intersecting with column lower left side vertical plane; Angle value between column lower right side profile inclined-plane and the column right side vertical plane is 10 °, and its intersection from cross section O-O and column upper right vertical plane begins to extend downwards along the inclined-plane, till intersecting with right side, column bottom vertical plane; The big portion of the posterior edges of column is transition line from narrow to wide, ratio between column (6) rear side top width d5 and the bottom width d6 is about 0.7, begin to extend downwards from column rear side top along the inclined-plane, till intersecting with column bottom rear vertical surface, the profile inclined-plane and the angle value between the homonymy vertical plane of column rear side are 5 °.Column bottom rear vertical surface intersection point is lower than the cross section O-O point in column front.
CN 201010613814 2010-12-30 2010-12-30 Five-axis linkage horizontal machining center machine tool CN102091942A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102825288A (en) * 2012-08-31 2012-12-19 上海三一精机有限公司 Horizontal boring and milling processing center and workpiece exchange table thereof
CN103252685A (en) * 2012-02-15 2013-08-21 Emag控股有限公司 A-axis machining apparatus
CN104188286A (en) * 2014-08-05 2014-12-10 深圳市玮之度科技发展有限公司 Precious metal jewelry processing equipment and realization method thereof
CN104546172A (en) * 2015-01-19 2015-04-29 上海申雕数控机械有限公司 Full-automatic five-axis false tooth processing equipment
CN105171534A (en) * 2015-09-25 2015-12-23 东莞市鸿金顺机械制造有限公司 Nine-axis and five-linkage vertical and horizontal combined numerical control machining center
CN105290919A (en) * 2015-11-19 2016-02-03 苏州博义诺智能装备有限公司 Five-axis automated device for mobile phone shell numerical control grinding and polishing
CN105290807A (en) * 2015-12-04 2016-02-03 成都普瑞斯数控机床有限公司 Axis system based on five-axis linkage processing center and five-axis linkage processing center comprising same
CN105478870A (en) * 2015-12-29 2016-04-13 深圳市钜匠科技有限公司 Novel high-speed machining central machine
CN105500038A (en) * 2016-01-14 2016-04-20 嘉泰数控科技股份公司 High-speed drilling and milling center
CN105522404A (en) * 2016-02-04 2016-04-27 重庆大学 Assembling method for end-toothed disc B shaft rotary table of horizontal machining center
CN106808026A (en) * 2016-12-30 2017-06-09 浙江三信智能机械科技有限公司 Rotor cutter
CN107322110A (en) * 2017-07-17 2017-11-07 中北大学 A kind of ultrasonic edm combined machining spindle device and its control method
CN107971750A (en) * 2017-11-21 2018-05-01 上海电机学院 A kind of small part processes control specific machine
CN108098369A (en) * 2017-12-08 2018-06-01 桐乡胜辉精密机械有限公司 A kind of large-size horizontal machining center
CN108581482A (en) * 2018-04-22 2018-09-28 广东肇庆动力金属股份有限公司 Automobile axle branch buck saw milling combined type building-block machine
CN109702430A (en) * 2017-10-26 2019-05-03 沈阳黎明国际动力工业有限公司 A kind of processing method that gas turbine improves machining accuracy and roughness with casing

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CN101670522A (en) * 2009-09-29 2010-03-17 中捷机床有限公司 High-speed horizontal machining center complete machine structure and manufacture method
CN201455664U (en) * 2009-07-08 2010-05-12 台州职业技术学院 Horizontal machining center column
CN101722419A (en) * 2009-10-29 2010-06-09 大连科德数控有限公司 Vertical milling lathe complex machining center

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CN201455664U (en) * 2009-07-08 2010-05-12 台州职业技术学院 Horizontal machining center column
CN101670522A (en) * 2009-09-29 2010-03-17 中捷机床有限公司 High-speed horizontal machining center complete machine structure and manufacture method
CN101722419A (en) * 2009-10-29 2010-06-09 大连科德数控有限公司 Vertical milling lathe complex machining center

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252685A (en) * 2012-02-15 2013-08-21 Emag控股有限公司 A-axis machining apparatus
CN102825288A (en) * 2012-08-31 2012-12-19 上海三一精机有限公司 Horizontal boring and milling processing center and workpiece exchange table thereof
CN104188286B (en) * 2014-08-05 2016-07-27 深圳市玮之度科技发展有限公司 A kind of precious metal jewellery processing equipment and its implementation
CN104188286A (en) * 2014-08-05 2014-12-10 深圳市玮之度科技发展有限公司 Precious metal jewelry processing equipment and realization method thereof
CN104546172A (en) * 2015-01-19 2015-04-29 上海申雕数控机械有限公司 Full-automatic five-axis false tooth processing equipment
CN105171534A (en) * 2015-09-25 2015-12-23 东莞市鸿金顺机械制造有限公司 Nine-axis and five-linkage vertical and horizontal combined numerical control machining center
CN105290919A (en) * 2015-11-19 2016-02-03 苏州博义诺智能装备有限公司 Five-axis automated device for mobile phone shell numerical control grinding and polishing
CN105290919B (en) * 2015-11-19 2017-12-26 苏州博义诺智能装备有限公司 Five axle automation equipments of mobile phone shell numerical control grinding and polishing
CN105290807A (en) * 2015-12-04 2016-02-03 成都普瑞斯数控机床有限公司 Axis system based on five-axis linkage processing center and five-axis linkage processing center comprising same
CN105290807B (en) * 2015-12-04 2017-06-16 成都普瑞斯数控机床有限公司 The 5-axis machining center of axle system and its composition based on 5-axis machining center
CN105478870A (en) * 2015-12-29 2016-04-13 深圳市钜匠科技有限公司 Novel high-speed machining central machine
CN105500038A (en) * 2016-01-14 2016-04-20 嘉泰数控科技股份公司 High-speed drilling and milling center
CN105522404A (en) * 2016-02-04 2016-04-27 重庆大学 Assembling method for end-toothed disc B shaft rotary table of horizontal machining center
CN105522404B (en) * 2016-02-04 2017-07-25 重庆大学 A kind of assembly method of horizontal Machining centers end-toothed disc B axle turntable
CN106808026A (en) * 2016-12-30 2017-06-09 浙江三信智能机械科技有限公司 Rotor cutter
CN106808026B (en) * 2016-12-30 2021-03-30 浙江三信智能机械科技有限公司 Rotor cutting machine
CN107322110A (en) * 2017-07-17 2017-11-07 中北大学 A kind of ultrasonic edm combined machining spindle device and its control method
CN107322110B (en) * 2017-07-17 2019-02-26 中北大学 A kind of ultrasonic edm combined machining spindle device and its control method
CN109702430A (en) * 2017-10-26 2019-05-03 沈阳黎明国际动力工业有限公司 A kind of processing method that gas turbine improves machining accuracy and roughness with casing
CN107971750B (en) * 2017-11-21 2019-05-14 上海电机学院 A kind of small part processing control specific machine
CN107971750A (en) * 2017-11-21 2018-05-01 上海电机学院 A kind of small part processes control specific machine
CN108098369A (en) * 2017-12-08 2018-06-01 桐乡胜辉精密机械有限公司 A kind of large-size horizontal machining center
CN108581482A (en) * 2018-04-22 2018-09-28 广东肇庆动力金属股份有限公司 Automobile axle branch buck saw milling combined type building-block machine

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