A machine element, in particular for a shaping machine, includes a lubricated bearing and/or a seal and a primary drainage conduit for catching a fluid medium issuing from the bearing and/or the seal, preferably substantially pressure-lessly. A collecting device is provided for collecting the fluid medium which is caught in the primary drainage conduit over a period of time, and a measuring device is adapted to directly and/or indirectly measure an amount of the fluid medium collected by the collecting device over the period of time.

A method for determining lubricant consumption by a transmission mechanism disposed on a machine tool includes steps of: a) estimating, based on an operational speed and a predetermined first predictive model, a total operational physical quantity; b) estimating, based on an individual operational physical quantity and the total operational physical quantity, a total operational count; c) receiving actuation information from the machine tool, and calculating a partial operational count based on the actuation information; and d) calculating, based on the partial operational count and the total operational count, a ratio between an amount of lubricant consumption within a time period and a total amount of lubricant.

A method for determining lubricant consumption by a transmission mechanism disposed on a machine tool includes steps of: a) estimating, based on an operational speed and a predetermined first predictive model, a total operational physical quantity; b) estimating, based on an individual operational physical quantity and the total operational physical quantity, a total operational count; c) receiving actuation information from the machine tool, and calculating a partial operational count based on the actuation information; and d) calculating, based on the partial operational count and the total operational count, a ratio between an amount of lubricant consumption within a time period and a total amount of lubricant.

Provided is a machine tool hand including a body portion that is mounted so as to be attachable to and detachable from a spindle of a machine tool, and that is provided with a flow path connected to a coolant-liquid supply path formed in the spindle; and two or more hand members that are attached to the body portion such that at least one of the hand members is pivotable about a prescribed axis, and that are capable of gripping an object therebetween by being closed. The flow path is provided with discharge ports via which a coolant liquid supplied from the coolant-liquid supply path is discharged toward surfaces of the hand members that are exposed to an outside, and a pressure of the coolant liquid causes an opening operation or a closing operation of the hand members.

A fan-equipped motor includes: a motor for rotating a spindle, the motor including a hollow-shaped motor shaft in which a through hole is formed; and a fan for cooling the motor, the fan including a hollow-shaped rotary shaft in which a through hole is formed, and a plurality of blades attached to the rotary shaft, the fan being disposed on the side of the motor that is opposite to the spindle. The motor shaft and the rotary shaft are disposed so that cooling air produced by the fan flows in a different passage and in a different direction from a gas supplied into the through hole of the rotary shaft and flowing in the through hole of the motor shaft.

A core support system includes a support structure. The support structure includes a frame and a support member having a saturatable engagement layer disposed over the frame. A method of machining a core material includes applying a fluid to an engagement layer of a support structure and saturating the engagement layer with the fluid, disposing a core material on the engagement layer, causing the fluid to freeze to secure to the core material to the support structure, machining the core material, melting the frozen fluid to release the core material from the support structure, and removing the core material from the engagement layer.

The invention provides a machine tool capable of expanding the slidable range of the moving unit without making the oil feeding system complicated. A machine tool in which a moving unit slides against a supporting unit with a sliding surface of the supporting unit facing a sliding surface of the moving unit, comprises a first oil groove formed on an unexposed portion of the sliding surface of the supporting unit; a second oil groove formed on an unexposed portion of the sliding surface of the moving unit; and an oil inlet formed on one of the first oil groove and the second oil groove. Lubricant fed through the oil inlet is supplied to the other of the first oil groove and the second oil groove.

The invention provides a machine tool capable of expanding the slidable range of the moving unit without making the oil feeding system complicated. A machine tool in which a moving unit slides against a supporting unit with a sliding surface of the supporting unit facing a sliding surface of the moving unit, comprises a first oil groove formed on an unexposed portion of the sliding surface of the supporting unit; a second oil groove formed on an unexposed portion of the sliding surface of the moving unit; and an oil inlet formed on one of the first oil groove and the second oil groove. Lubricant fed through the oil inlet is supplied to the other of the first oil groove and the second oil groove.

A drilling-milling device comprising a housing; a drive shaft; a spindle; and a brake. The drive shaft and the spindle being coupled to one another by a gear mechanism, and the brake being coupled to the spindle and a braking torque of the brake being transmitted to the housing.

A drilling-milling device comprising a housing; a drive shaft; a spindle; and a brake. The drive shaft and the spindle being coupled to one another by a gear mechanism, and the brake being coupled to the spindle and a braking torque of the brake being transmitted to the housing.