| Patents for B23B 19 - Headstocks; Equivalent parts of any machine tools (3,087) |
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| 07/11/2012 | CN102554281A Electric spindle with cooling device |
| 07/11/2012 | CN102554280A High speed electric spindle with preload control device |
| 07/11/2012 | CN102554279A Combined multiple electric spindle unit |
| 07/11/2012 | CN102554278A Evenly divided oil cavity static-dynamic pressure shafting unit for machine tool |
| 07/11/2012 | CN102554277A Simple main shaft device |
| 07/11/2012 | CN101913088B Machining head for machine tool |
| 07/05/2012 | DE102011002450A1 Device for weight compensation of vertically movable spindle head of e.g. numeric controlled milling machine for processing workpiece, has weight compensation mechanism including belt and rollers for reducing produced resilient force |
| 07/04/2012 | CN202301867U 一种改进的车床床头带轮总成 An improved lathe bed pulley assembly |
| 07/04/2012 | CN202292289U 大型数控落地铣镗床主轴箱双丝杠补偿装置 Large CNC Boring and Milling headstock double screw compensation device |
| 07/04/2012 | CN202291691U 一种螺旋锥齿轮磨齿机用高速偏心主轴 In a spiral bevel gear grinding machine with eccentric spindle speed |
| 07/04/2012 | CN202291681U 一种齿轮加工机 One kind of gear cutting machines |
| 07/04/2012 | CN202291426U 全自动雕铣机加工设备电主轴固定装置 Automatic engraving and milling machining equipment Spindle fixtures |
| 07/04/2012 | CN202291425U 一种微间隙旋转密封装置 A micro rotary seal gap |
| 07/04/2012 | CN202291424U 热过盈锁紧套结构 Thermal interference locking sleeve structure |
| 07/04/2012 | CN202291423U 铣钻床主轴箱 Milling Drilling Machine |
| 07/04/2012 | CN102537056A Design method of sliding bearing of high precision lathe spindle |
| 07/04/2012 | CN102528096A Direct-drive type main shaft transmission device of boring-milling machine |
| 07/04/2012 | CN102528095A Transmission structure of main shaft with inner cooling channel |
| 07/04/2012 | CN102528094A Z-axis structure of printed circuit board (PCB) drilling machine |
| 07/04/2012 | CN102528093A Main shaft transmission device of horizontal milling and boring machine |
| 07/04/2012 | CN102528092A Main transmission device for milling and boring machine ram spindle box |
| 07/04/2012 | CN102528091A Main spindle box structure of numerical-control vertical lathe |
| 07/04/2012 | CN102528090A Movable spindle box of double-motor driven four guide rail supported lathe |
| 07/04/2012 | CN102310203B High-speed main shaft with controllable non-uniformly distributed pre-tightening force and control method thereof based on regulation and control of hydraulic system |
| 07/04/2012 | CN102049534B Nut pre-tightening structure for mainshaft bearing of heavy duty lathe |
| 06/27/2012 | CN102513555A High-speed and high-rigidity main shaft system rotary support structure |
| 06/27/2012 | CN102513554A Turning-milling combined machine tool and spindle locking device thereof |
| 06/27/2012 | CN102513553A High-speed spindle with tapered hole capable of being automatically locked |
| 06/27/2012 | CN102151852B Hydro-hybrid ceramic main shaft device |
| 06/20/2012 | CN202278198U 一种变频电机主轴支撑装置 One kind of variable frequency motor spindle support device |
| 06/20/2012 | CN202278197U 镗床电主轴 Boring Spindle |
| 06/20/2012 | CN102510956A Spindle device of machining center |
| 06/20/2012 | CN102500772A Air spindle rotor with changeable butterfly spring structure |
| 06/20/2012 | CN102500771A Air spindle rotor with replaceable chuck type structure |
| 06/20/2012 | CN102500770A Static pressure floating main shaft |
| 06/20/2012 | CN102500769A Preparation method of annular guide rail pair of front bearing bush and rear bearing bush of large-sized horizontal lathe spindle |
| 06/20/2012 | CN102500768A Micro longitudinal cutting turning machine |
| 06/20/2012 | CN101568403B Main spindle device, composite processing machine with the main spindle device, and method of assembling main spindle device |
| 06/13/2012 | CN202270984U 预载荷永磁轴承支承的电主轴 Preload permanent magnet motor spindle bearing |
| 06/13/2012 | CN202270983U 一种连接转换装置 A connector converter |
| 06/13/2012 | CN202270982U 一种机床主轴 A machine tool spindle |
| 06/13/2012 | CN102490061A Planetary speed changing device for machine tool spindle |
| 06/13/2012 | CN102489728A Floating retainer structure on tail of spindle |
| 06/13/2012 | CN102489727A Roll ball high-speed milling electric main shaft |
| 06/13/2012 | CN102489726A Air-floated high-speed motorized spindle |
| 06/13/2012 | CN102049533B Multiple torsion motor driven gear-type swing main shaft head |
| 06/06/2012 | CN202263942U 一种利用热管作为散热机构的机床主轴 An advantage of the heat pipe cooling mechanism as the spindle |
| 06/06/2012 | CN202263941U 剐齿机刀具电主轴 Machine Tool Spindle cut teeth |
| 06/06/2012 | CN202263940U 一种铣镗床主轴箱传动系统 One kind of boring and milling machine headstock transmission |
| 06/06/2012 | CN102485418A Single-pendulum milling head for turning and milling composite processing |
| 05/30/2012 | CN202240447U Numerical control boring and milling machine |
| 05/30/2012 | CN202240443U Multifunctional vertical combined machine tool |
| 05/30/2012 | CN202239826U Numerically controlled milling machine |
| 05/30/2012 | CN202239664U Hobbing cutter flywheel protector of high-speed gear-hobbing machine |
| 05/30/2012 | CN202239663U In-built electric main shaft with double-layered cooling structure |
| 05/30/2012 | CN202239662U Big-load high-precision principal shaft assembly |
| 05/30/2012 | CN202239661U 16-shaft speed-changing gear box for Ni Zhifu drill |
| 05/30/2012 | CN202239659U Numerical control machine using long and thin bar blanks to process workpieces |
| 05/30/2012 | CN102483092A Rolling bearing and spindle device for machine tool |
| 05/30/2012 | CN102476315A 空气静压电主轴的保护方法和装置、切割机 Protection method and apparatus aerostatic spindle, cutting machine |
| 05/30/2012 | CN102476312A Device capable of eliminating gap of numerical control machine tool spindle |
| 05/30/2012 | CN102476302A Intelligent numerical control machine tool clamping device |
| 05/30/2012 | CN102476194A 空气静压电主轴和空气静压电主轴的冷却装置 Aerostatic electric spindle cooling device and aerostatic spindle |
| 05/30/2012 | CN102476193A Separating type flexibly driven spindle system for high-precision processing machine tool |
| 05/30/2012 | CN102476192A Novel encoder for main shaft of bearingless numerical control machine tool |
| 05/30/2012 | CN101306475B Method for controlling combined lathe apparatus, combined lathe apparatus, turning tool holder, blade position registering apparatus, and blade position detecting apparatus |
| 05/23/2012 | CN202224992U Mechanical five-shaft power head for milling machine |
| 05/23/2012 | CN202224665U Bearing preloading structure for machine tool |
| 05/23/2012 | CN202224664U High-precision numerical control machine tool |
| 05/23/2012 | CN202224663U Spindle structure of numerical-control machine tool |
| 05/23/2012 | CN202224662U Hydrostatic-pressure electric main shaft with high precision, high rigidity and large torque |
| 05/23/2012 | CN102463468A 一种适用于重载加工的数控卧式车床 One for heavy machining CNC horizontal lathe |
| 05/23/2012 | CN101885075B Air cooling device for controlling thermal deformation of spindle box of vertical machine tool |
| 05/23/2012 | CN101767211B Vehicle main shaft clamping device of combined machining tool of milling machine |
| 05/18/2012 | DE202012003528U1 Einrichtung zur Kompensation thermischer Verformungen an einer Motorspindel Means for compensating thermal deformations of a motor spindle |
| 05/16/2012 | CN202219395U Fixed-beam numerically controlled double-spindle planer type drilling and milling machine |
| 05/16/2012 | CN202219347U Five-shaft linked power head for numerically controlled miller |
| 05/16/2012 | CN202219328U Central water outlet and automatic tool releasing device for numerical control gantry involute spline type spindle |
| 05/16/2012 | CN202219327U High-precision boring machine spindle |
| 05/16/2012 | CN102452131A Design of main shaft of rotary ultrasonic machine |
| 05/09/2012 | CN202212586U Structure for hanging multiple electric spindles of numerical control machine tool |
| 05/09/2012 | CN202212585U Adjustable multi-spindle head |
| 05/09/2012 | CN202212584U Transmission system for spindle box of boring and milling machine |
| 05/09/2012 | CN102444663A Novel high-speed high-rigidity angular contact ball matched bearing for machine tool spindle |
| 05/09/2012 | CN102441677A Numerical control machining tool for bearing ring |
| 05/09/2012 | CN102059357B High-accuracy sleeve main shaft structure for machine tool |
| 05/08/2012 | US8171830 Machine tool |
| 05/02/2012 | CN202207804U Clamping device for hydraulic instrument lathe spindle |
| 05/02/2012 | CN202207803U Positioning and locking device of milling-turning spindle |
| 05/02/2012 | CN202207802U Main shaft device capable of improving cooling efficiency |
| 05/02/2012 | CN202207801U Novel vertical process center headstock heat radiation structure |
| 05/02/2012 | CN102430768A Lathe with auxiliary spindle |
| 05/02/2012 | CN101850529B Special numerical control processing machine for worm gear box |
| 05/02/2012 | CN101817095B Method for operating an actuation unit and device for carrying out said method |
| 05/02/2012 | CN101586626B Ultraprecise electrohydraulic servo-controlled dynamic-static pressure bearing and feed mechanism |
| 05/01/2012 | US8168570 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 04/26/2012 | DE102010049267A1 Werkstückspindel mit Festkörpergelenk Workpiece spindle with solid joint |
| 04/25/2012 | CN202199776U 被动式冷却芯轴单元的主轴装置 Passive cooling mandrel spindle means unit |
| 04/25/2012 | CN202199775U Locking mechanism of main shaft sleeve of milling power head |
| 04/25/2012 | CN202199774U 一种机床床头箱 A machine tool headstock |