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| Number | Title | Issue Date |
| 7437810 | Machine tool facility equipped with a pallet exchanger A pallet P is moved in a vertically held state from a pallet-mounting surface vertically formed on a table 115 of a machine tool 101 onto a pallet-mounting surface of a pallet support member 17 that is vertically formed on a pallet exchanger ... | 10/21/2008 |
| 7331742 | Spindle unit of machine tool A hollow portion of a spindle through which a draw bar and a disc spring assembly are inserted has a closed chamber structure and constitutes an oil pool chamber in which a lubricating oil is filled. The bearing portions that support the draw bar in the oil pool on ... | 02/19/2008 |
| 7331739 | Method for machining workpiece A wear amount of a working tool T during the machining of a workpiece is estimated during the machining, and a positional command generated in accordance with a predetermined machining program is sequentially corrected during the machining based on the estimated wea... | 02/19/2008 |
| 7329825 | Electric discharge machine and machining method therefor An electric discharge machine and method for carrying out electric discharge machining there within is provided, wherein after an electrode (21) and an electrode guide holder (25) are attached to an electrode holder (23), in advance, which is in... | 02/12/2008 |
| 7165302 | Spindle device of machine tool and method of replacing spindle A spindle device of a machine tool such as a milling machine and a machining center and a method of replacing a spindle, the spindle device wherein the housing of a spindle head (5) is divided into a front housing (23) and a rear housing (25), a... | 01/23/2007 |
| 6913390 | Rotating shaft apparatus A shaft 17 defines a front end portion 17a having a larger diameter and an opposite tail end portion 17b having a smaller diameter, the shaft 17 being rotatably supported by the housing 13 through a radial bearing ... | 07/05/2005 |
| 6535788 | Machining apparatus A control device of a machine tool (100) has an input unit (1) for inputting the processing profile data (1a) and the workpiece data (1b) of the material and a profile of the workpiece to be processed. The control device input unit (1) also can receive a ... | 03/18/2003 |
| 5192139 | Apparatus for cooling a spindle bearing of a machine A rolling-contact type bearing for rotatably supporting a spindle of a machine is cooled by a temperature controlled liquid lubricant supplied to an internal cavity or passageways provided in the spindle, and circulated toward the bearing so that the temp... | 03/09/1993 |
