A machine tool including a first and a second tool magazine, wherein a tool for machining a workpiece can be received from the first tool magazine and a tool from the second tool magazine can be transferred into the first tool magazine, and wherein one of the tools includes a multiple tool that can be fitted with a plurality of tools prior to the machining. A method for controlling a machine tool includes the steps of detecting workpieces to be machined, determining the tools required for machining the detected workpieces and determining the tools, with which the multiple tool is to be fitted.

The invention relates to a method for machining the interior of a brake caliper (1) of a disc brake, on which are formed: a first saddle portion to the one side of the brake disc of the disc brake, a second saddle portion to the other side of the brake disc, and a bridge section connecting the saddle portions and providing a free space for at least a part of the brake disc. At least one of the saddle portions is provided with a hollow space (7) for receiving a brake application device, wherein said hollow space comprises a mounting opening (4) towards the free space and extends in the opposite direction until a saddle rear wall (18). At least one support surface for the forces acting during the brake application is formed on the inner side of the saddle rear wall. The machining of the support surface (20) is carried out from the direction of the free space and, for this purpose, a tool (55) is brought from outside of the brake caliper (1) into the hollow space. In order to provide a method for machining the interior of a brake caliper of a disc brake, which allows a high-precision machining of the support surfaces inside the brake caliper even in the case of the narrow space conditions which are typical for the machining of a single-piece brake caliper, the tool (55) is guided into the cavity through another opening (25) than the mounting opening (4).

The invention relates to a processing plant (1) comprising: at least one first working spindle (2); a tool magazine (6) for storing different processing tools (4), wherein at least one storage plane (10) having several tool receiving spaces (11) arranged next to one another is provided in the tool magazine (6); a tool change device (5) comprising at least one first gripper device (13) for exchanging the processing tool (4) held in the working spindle (2), wherein the gripper device (13) comprises at least one first gripper unit (15) and one second gripper unit (16) which are positioned at a gripper-unit distance (17) from one another.

The gripper units (15, 16) can be displaced between the working spindle (2) and the tool magazine (6).

The disclosure provides a milling system and method under different lubrication conditions. The system uses a tool to mill the workpiece, a force measuring system to measure the milling force, a tool change system to replace the tools, a tool storage to store the tools. It can store the tools, provide the lubricating oil to the milling surface, select different tools according to different processing conditions, select the best angle differences of the unequal spiral angle tools according to different conditions comprising dry cutting, casting-type lubrication, minimal quantities of lubrication or minimal quantities of nanofluid lubrication, and/or choose the optimal tool according to different cutting parameters in order to obtain the minimum milling force.

A tool changer includes at least one tool changer unit, wherein the at least one tool changer unit includes: a tool holder that receives and holds a tool; a base member that supports the tool holder so that the tool holder can be slid along a longitudinal direction of the tool; and a moving mechanism that slides the tool holder relative to the base member.

A machine tool setup changing method includes mounting a master workpiece onto a tool spindle axis, deforming a gripping part by gripping, with the gripping part of a jig, a mock clamped portion of the master workpiece mounted on the tool spindle axis, and removing the master workpiece from the tool spindle axis and mounting a tool supported on a tool support device onto the tool spindle axis, wherein the workpiece gripped at the clamped portion by the gripping part, which was deformed in accordance with the mock clamped portion, can be machined with the tool.

A tool magazine for tools of a machine tool for processing workpieces includes a first magazine unit that is close to a processing station of the machine tool and a second magazine unit that is remote from the processing station of the machine tool. The second magazine unit includes a permanent tool carrier and a temporary tool carrier. The permanent tool carrier is permanently accessible to a tool handling device. The temporary tool carrier is temporarily accessible to the tool handling device.

A machine tool has a clamping device for clamping in workpieces to be machined, a work spindle which is movable relative to the clamping device, a tool magazine wherein tools for machining the workpieces are held available, the tools being selectively clamped into the work spindle, and a spindle gripper to be selectively clamped into the work spindle and being self-holding in its gripping position, said spindle gripper being held available in the tool magazine and being movable between a transfer position to the work spindle and an unloading station in which the spindle gripper releases a work piece remnant received from the clamping device.

A machine tool includes a rotatable spindle, a spindle drive, a tool magazine, a tool changer including a rotating shaft, a rotating shaft drive motor, an angular position detector, a tool change arm having gripping units at both ends, and a controller. After interchanging a first tool mounted on the spindle and a second tool held in a tool pot, when rotating the tool change arm to an intermediate position, rotation of the spindle is started as soon as the second tool mounted on the spindle and the gripping unit are out of contact with each other.

This tool exchange device for a machine tool uses an exchange arm to exchange tools between a processing area and a tool accommodation area. In the tool exchange device, an imaging device is used to capture an image of a tool in the tool accommodation area, operation parameters for the exchange arm when the exchange arm is used to exchange the tools are determined from the captured image of the tool, and the exchange arm is operated on the basis of the operation parameters to exchange the tool.