Patents
Patents for B23B 3 - General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines (2,606)
02/2000
02/24/2000WO2000009290A1 Grinding machine with turning device for hard-machining
02/24/2000DE19836348A1 Tool holder for CNC-controlled hard lathe has tool holder plate detachably fixable without play on tool revolver by centring device having three point bearing
02/24/2000CA2339020A1 Grinding machine with hard-turning attachment
02/15/2000US6024001 Method of turning works and lathe for carrying out the method
02/08/2000US6021695 Lathe and a machining system of a lathe
02/03/2000WO2000005018A1 Quick return feed for machine tool
01/2000
01/25/2000US6016729 Turret device
01/20/2000WO2000002690A1 Lathe and method for turning a work piece on a lathe
01/12/2000CN2357864Y Paper obturator
12/1999
12/07/1999US5997452 Machine tool for machining crankshafts for engines
11/1999
11/24/1999EP0958105A1 Metal cutting machining device, with massive block and sliding column, and machine integrating this device
11/10/1999CN2347703Y Lathe axle key milling machine
11/02/1999US5974920 Method for lathing stock
10/1999
10/20/1999CN2344114Y Piston coaxial copying device
10/19/1999US5967007 Position drive, in particular for use in machine tools, and tool head having such a position drive
10/14/1999WO1999051391A1 Indexing device
10/13/1999EP0949029A1 Machine tool for machining bars
10/05/1999US5960676 Indexing apparatus and method for controlling the indexing apparatus
09/1999
09/15/1999EP0941790A1 Lathe
08/1999
08/04/1999EP0933162A2 Machine tool
08/04/1999CN1225048A Cam operated quick return feed control for lathe machine tool
07/1999
07/28/1999CN1044343C Cutting apparatus
06/1999
06/17/1999DE19745123C1 Flash removal from a friction weld
06/02/1999EP0918584A1 Cam operated quick return feed control for lathe machine tool
04/1999
04/28/1999EP0717669B1 Workpiece machining process on a nc automatic lathe and nc automatic lathe
04/22/1999DE19847284A1 Workpiece magazine for loading a machine tool with traveling spindle
04/08/1999DE19803563C1 Rotary spindle machine tool
03/1999
03/30/1999US5887501 End prep facing machine
03/30/1999US5887498 Cylindrical member and method for producing the same
03/16/1999US5881618 Tool block slide assembly for automated cutting tool
03/11/1999WO1999011409A1 Automatic lathe and control method therefor
03/11/1999WO1999011408A1 Automatic lathe and method of controlling same
03/11/1999DE19739512A1 Turning and milling machining
02/1999
02/25/1999DE19732966A1 Tool holding device for revolving tool holder of machine tool
02/17/1999CN1042106C Rotational cutting method and apparatus therefor
01/1999
01/27/1999EP0893184A1 Automatic lathe
01/13/1999EP0890412A1 Indexing apparatus and method for controlling the indexing apparatus
01/13/1999EP0890411A1 Indexing apparatus and method for driving the same for indexing the same
01/13/1999EP0890401A1 Turret tool rest
12/1998
12/30/1998EP0887134A1 Tool spindle fixing device for composite machine tool
12/30/1998CN1203139A Processing unit
12/23/1998EP0885686A1 Machining centre
12/01/1998US5842393 For preturning and machining a workpiece
12/01/1998US5842392 Indexing device and method of driving the same
11/1998
11/11/1998CN1040695C Novel machining techniques for retroreflective cube corner article and method of mfg.
11/10/1998US5832797 Rotary machine tool
10/1998
10/29/1998DE19723428C1 Capstan lathe with numerical control
10/29/1998DE19717255A1 Lathe with main and tail spindles
10/27/1998US5826470 Cam operated quick return feed control for lathe machine tool
10/08/1998DE19713872A1 Machine tool
10/06/1998US5816123 Attachment for a lathe
10/06/1998CA2010597C Method and device for producing an article from a blank
10/01/1998WO1998042470A1 A machining assembly and a method
08/1998
08/19/1998EP0755315B1 Multiple-spindle lathe
08/12/1998EP0857096A1 Lathe, in particular a long-turning lathe, for working bar-shaped workpieces
08/05/1998CN2287067Y High performance instrument latch
08/04/1998US5787560 Numerically controlled lathe
07/1998
07/23/1998WO1998031502A1 Metal cutting machining device, with massive block and sliding column, and machine integrating this device
07/14/1998US5778504 Automatic lathe having independently movable gang tool posts
07/07/1998US5775188 Apparatus for and method of facing surfaces
06/1998
06/25/1998DE19652720A1 Counter=spindle lathe
06/23/1998US5768962 Multiple-spindle turning machine
06/18/1998WO1998025730A1 Indexing apparatus and method for controlling the indexing apparatus
06/18/1998WO1998025729A1 Indexing apparatus and method for driving the same for indexing the same
06/18/1998WO1998025722A1 Turret tool rest
06/16/1998US5765456 Process for the machining of a workpiece on a CNC automatic lathe as well as a CNC automatic lathe
06/16/1998US5765455 Lathe attachment
06/02/1998US5758555 Vertical turning machine
06/02/1998US5758554 Machine tool and method for machining a long-shafted workpiece
05/1998
05/14/1998DE19749872A1 Lathe for turning workpiece
05/13/1998EP0841119A1 Two-opposed-spindle lathe
05/12/1998US5749274 Cylindrical member and method of manufacturing the same
03/1998
03/31/1998US5733075 Machining device
02/1998
02/26/1998DE19633899A1 Swarf-removing processing of bar-shaped workpieces
02/25/1998EP0796160A4 Push-type collet and seat assembly
02/25/1998CN2274995Y Analog lathe
02/18/1998CN2274539Y Mechanical transmission assembly of digital control lathe
01/1998
01/27/1998US5711195 For lathing
01/15/1998WO1998001248A1 Cam operated quick return feed control for lathe machine tool
01/14/1998CN1170152A Cylindrical member and method of manufacturing the same
01/06/1998US5704262 Multiple-spindle lathe
12/1997
12/29/1997EP0813458A1 Positioning drive for use, in particular, in machine tools, and tool head with such a positioning drive
12/23/1997US5699598 Machine tool with a plurality of spindles
12/10/1997EP0810916A1 Lathes
12/04/1997WO1997045221A1 Lathe, in particular a long-turning lathe, for working bar-shaped workpieces
12/04/1997DE19621406A1 Drehmaschine, insbesondere Langdrehmaschine zum Bearbeiten stangenförmigen Werkstoffs Lathe, especially long lathe for machining rod-like material
10/1997
10/21/1997US5678464 Portable lathe with push rod actuated rack and pinion feed
10/08/1997EP0799104A1 Machine tool for machining crankshafts for engines with four in-line cylinders, method for operating same, and machining line comprising said machine tool
09/1997
09/24/1997EP0796160A2 Push-type collet and seat assembly
09/03/1997CN1035749C Dual spindle vertical axis CNC piston turbine and grooving machine
08/1997
08/12/1997US5655422 Tool head for use in machine tools
06/1997
06/26/1997WO1997022428A1 Method for machining workpieces in a lathe and control unit for said lathe
05/1997
05/28/1997EP0593758B1 Work exchange system
05/20/1997US5630346 Portable machine tool
05/07/1997EP0771247A1 Method and device for machining a workpiece by cutting or upsetting, and resulting machined parts
04/1997
04/16/1997EP0767723A1 Numerically controlled turning machine
03/1997
03/25/1997CA2009993C Two-spindle opposed type cnc lathe
03/19/1997CN2249648Y Machining apparatus for saddle-shape surfaces and U-shape grooves
03/05/1997CN1144150A Multiple main axle machine tool
02/1997
02/04/1997US5600484 Machining techniques for retroreflective cube corner article and method of manufacture
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