Disclosed is an artificial tooth machining apparatus which protects a workpiece and first and second tools from heat and frictional contact that may occur when the workpiece is machined and enhancing machining precision by supplying water or air to the tools by a supply unit, a first nozzle portion, and a second nozzle portion, which has a lifespan lengthened by preventing chips of the workpiece or water or air from being introduced to a mechanism operation part of a base part by a discharge unit and a blocking unit, and which prevents a collision between the first tool and the second tool during machining of the workpiece by a tool collision preventing controller.

A lathe includes a lathe-side chuck that holds a workpiece with the workpiece directed toward or facing a front side, a main spindle that rotates around an axis, and a tool that machines the workpiece. A machining center includes a rotary tool that rotates around an axis in the horizontal direction and an MC-side chuck that holds the workpiece and is able to turn between at least a workpiece pass/receive position in which the workpiece is directed toward or facing the front side and a machining position in which the workpiece is directed toward or facing the rotary tool. A loader includes a guide rail extending above the lathe-side chucks, and MC-side chuck along the horizontal direction and a loader head that holds the workpiece and carries the workpiece between at least the lathe-side chucks, and MC-side chuck by moving along the guide rail.

A CNC single-turret twin-spindle efficiency-doubled metal processing machine includes: a chassis having a Z-axis mounting surface and a Y-axis mounting surface perpendicular to the Z-axis mounting surface; a spindle driving source mounted on the Z-axis mounting surface of the chassis; a first spindle unit arranged on the Z-axis mounting surface of the chassis and coupled to the spindle driving source; a second spindle unit arranged on the Z-axis mounting surface of the chassis and coupled to the spindle driving source so that the spindle driving source is operable to simultaneously drive the first spindle unit and the second spindle unit to do reciprocal movement on the same axis for approaching and leaving; a turret unit mounted on the Y-axis mounting surface of the chassis and including a plurality of clamp groups arranged at predetermined angles. Each of the clamp groups includes two tool clamps that respectively clamp two identical tools.

A machine tool, in particular a multi-spindle and/or double-spindle milling machine, comprising a machine frame, a workpiece clamping device for clamping a workpiece, an axis slide assembly which is arranged on the machine frame and is configured to linearly move the workpiece clamped on the workpiece clamping device by way of two controllable linear axes in a Y-direction and a Z-direction, and a spindle carrier assembly, which is arranged on the machine frame and has at least two tool-carrying work spindles that can be moved independently of each other in an X-direction which is perpendicular to the Y-direction and Z-direction.

The present invention discloses an efficient brake disc processing device, which relates to the technical field of brake disc processing, comprising a lathe bed, an upright vertical lathe and a first power tool holder installed on a top end of the lathe bed, and an inverted vertical lathe and a second power tool holder installed on a rear side of the top end of the lathe bed, wherein the upright vertical lathe is cooperated with the second power tool holder to process an upper brake surface of a brake disc, and the inverted vertical lathe is cooperated with the first power tool holder to process a lower brake surface of the brake disc.

The present invention relates to embodiments of a machine tool, in particular a multi-spindle milling machine, comprise a machine frame, a workpiece clamping device for clamping a workpiece, an axis slide assembly arranged on the machine frame, and a spindle carrier assembly which is arranged on the machine frame and has at least two tool-carrying work spindles. The axis slide assembly is configured to linearly move the workpiece clamped at the workpiece clamping device by way of three controllable linear axes X, Y and Z. The work spindles are arranged at a turret which can be rotated or swiveled about a turret axis at respectively equal distance from the turret axis, and the spindle axes of the work spindles are aligned or can be aligned in parallel to one another and in parallel to the turret axis.

The present invention relates to a machine tool 100 for machining a workpiece 12 by means of a tool 22, which comprises a clamping means 11 for clamping the workpiece 12 and a support means 21 for receiving the tool 22, wherein the clamping means 11 is mounted on a spindle head of a clamping means-carrying work spindle 10 and the support means 21 is mounted on a spindle head of a support means-carrying work spindle 20, and the machine tool 100 is designed to position the two work spindles 10, 20 by means of numerically controllable axes in relation to one another in such a way that the workpiece 12, which is clamped in the clamping means 11, can be processed by the tool 22, which is received in the support means 21.

A turning device has two turning stations, each with a rotatable work piece spindle to hold a lens blank and each with a turning tool for the machining of a lens blank. A fabrication mechanism for the manufacturing of eyeglass lenses from lens blanks includes a milling device and the turning device, wherein the milling device has at least one milling station with a work piece holder to hold a lens blank and a milling tool for the machining of the lens blank. A loading device is configured to remove lens blanks from the milling device and load them into the turning device. A method for operating such a fabrication mechanism includes simultaneous machining of a third lens blank with the milling tool and a first and a second lens blank with the turning tools.

A machine tool for the computer-controlled machining of workpieces includes a machine stand and at least two clamping devices which are maintained next to each other in an adjusting and mobile manner, at least one tool receiving element being formed with one of the clamping devices and at least one tool receiving element being formed with the other clamping device. The clamping devices are maintained in an adjusting and mobile manner in the machine stand by a rotating mechanism including at least two rotational axes which are connected in series and which intersect each other. At least one linear guide is embodied between at least one of the clamping devices and the machine stand.

An apparatus for machining a workpiece has a housing having a vertical front wall and first and second side walls extending generally perpendicularly back from outer edges of the front wall, directed horizontally oppositely away from each other, and defining first and second planes themselves delimiting a space. First and second vertical guides on the first and second side walls outside the housing carry first and second vertical slides moveable vertically on the first and second vertical guides of the first and second side walls. First and second horizontal guides on the first and second vertical slides carry first and second horizontal slides movable horizontally on the first and second horizontal guides of the first and second vertical slides between the first and second front work stations and the first and second rear transfer stations.