There is a need for technology that enables accurate movement of chips without performing huge image processing. Provided is a display device for displaying an image captured by an imaging unit included in a machine tool. The machine tool includes a liquid ejection unit that ejects a liquid so as to move chips generated from a workpiece and the imaging unit that captures an image inside the machine tool. The display device includes: a display unit that displays the image captured by the imaging unit; a detection unit that detects an input to a predetermined position in the image displayed on the display unit; and a transmission unit that transmits an ejection signal for ejecting a liquid from the liquid ejection unit to a related area inside the machine tool related to the predetermined position, based on a detection signal according to the detection.

A coolant supply mechanism is attachable to a cutting insert. The cutting insert has a first bottom surface, a first upper surface, and a first side surface. The first upper surface includes a corner portion that is located at a corner of the first upper surface when viewed in a plan view and that is contiguous to the first side surface so as to form a cutting edge, and a center portion located adjacent to the corner portion on a side opposite to the cutting edge when viewed in a plan view. The first upper surface is depressed toward the first bottom surface side at the center portion.

A mist extraction system is provided that includes a plenum box having an inlet configured to be coupled in fluid communication with a machine tool enclosure. A blower is coupled in fluid communication with the plenum box and is configured to draw air into the plenum box from the machine tool enclosure via the inlet of the plenum box and exhaust the air back into the machine tool enclosure via an outlet of the blower. A baffle plate is arranged in the plenum box to redirect the air drawn into the plenum box through the inlet of the plenum box and a filter panel is arranged in the plenum box to filter the air redirected by the baffle plate prior to the air entering the blower. A collector arranged to collect mist from the air condensed on the baffle plate and the filter panel.

A toolholder matched with the internal jet cooling spindle for cryogenic coolant is mainly composed of a hollow toolholder body, a high-performance thermal insulation structure and a bidirectional sealing structure. They can guide the cryogenic coolant from the spindle to the internal cooling channel of cutting tool and realize the cryogenic thermal insulation and dynamic sealing. The high-performance thermal insulation structure inside the toolholder employs the material with a low thermal conductivity and a low linear expansion coefficient to restrain the low temperature impact of cryogenic coolant on the toolholder and spindle, to ensure the dimensional accuracy and assembly accuracy of the toolholder. The bidirectional sealing structure in the toolholder uses the ultra-low temperature resistant seal rings to prevent the cryogenic coolant from leaking towards the spindle and the cutting tool, to ensure the stability of the coolant transport.

An indexable milling cutter includes a milling cutter body with a plurality of flutes and a plurality of seating surfaces adapted to mount a cutting insert thereon. The milling cutter body includes a plurality of coolant reservoirs in fluid communication with an adapter. In one aspect, each coolant reservoir lies along a circular intersection line of a coolant manifold. In another aspect, a longitudinal axis of each coolant reservoir is oriented at a non-zero angle, A, with respect to a central, longitudinal axis of the milling cutter. A plurality of coolant ducts in fluid communication with each coolant reservoir, each coolant duct having a smaller cross-sectional area than the coolant reservoir, provide multiple streams of coolant targeted at a plurality of specific critical cutting areas of the cutting insert.

A device for transferring a pressurized fluid from a stationary source into a rotating spindle shaft includes a stationary housing including an internal socket having a socket wall and a rotatable shaft extending into the socket. The shaft includes an outer surface and a shaft bore having inlet and outlet ends. The device includes a washer positioned over the shaft and including a first flat side surface and a second side surface having at least a portion angled with respect to the first flat side surface in operative contact with the socket wall. The device includes a bushing positioned over the shaft and including a bore having an inner surface spaced apart from the outer surface of the shaft by a gap. The bushing includes a first end surface proximate the inlet end and a second end surface in operative contact with the first flat side surface of the washer.

A display device, a machine tool, and a liquid ejection method with which a liquid ejection path for efficient chip removal can be created, without performing huge control process. The display device is for displaying an image in order to eject a liquid and move chips generated from a workpiece in a machine tool. The machine tool includes a liquid ejection unit that ejects a liquid so as to move chips generated from a workpiece, and an imaging unit that captures an image of a target area in which chips generated from a workpiece are to be detected in the machine tool. The liquid is ejected to the target area, based on a first position and a second position in the image captured by the imaging unit. The display device includes: a display unit that displays an image captured by the imaging unit; a detection unit that detects a first input signal corresponding to the first position in the image displayed on the display unit, and a second input signal corresponding to the second position in the displayed image; and a transmission unit that transmits the detected first and second input signals to a signal generation unit, the signal generation unit generating a control signal that controls to create a liquid ejection path in the target area, based on the first and second positions, for ejecting a liquid, based on the liquid ejection path.

A reducing sleeve for fastening a machining tool in a tool holder is described. The reducing sleeve includes a reducing sleeve body, which has a first tool-side end and a second tool holder-side end. In addition, at least one coolant supply channel is provided in the reducing sleeve body. In one embodiment, a safety unit with a pull-out safety geometry has a sealing element, such as an O-ring, to selectively direct coolant through coolant holes in the safety unit and the at least one coolant supply channel or alternatively through a central coolant channel. In this embodiment, a multifunctional interface, and additional O-ring and a sealing unit are not required. A modular reducing sleeve assembly includes a reducing sleeve and a safety unit as separate parts. In addition, a machining assembly including a tool holder, a reducing sleeve, and a machining tool is described.

The method can include: using a mold, casting an encapsulation onto a workpiece including solidifying the encapsulation around the workpiece in the mold and extracting the encapsulation from the mold, and cooling the extracted encapsulation using a vortex tube.

The present invention relates to a milling machine processing system with an intelligently follow-up cutting fluid nozzle and a working method. The milling machine processing system comprises a workpiece stage, wherein a milling machine box body is arranged above the workpiece stage; a milling cutter mechanism is mounted on the milling machine box body for processing workpieces on the workpiece stage; a rotating mechanism is mounted on an end surface of the milling machine box body located at one side of a milling cutter; the rotating mechanism is connected with a two-axis linkage mechanism and drives the two-axis linkage mechanism to rotate about a center line on which the milling cutter is located; the two-axis linkage system is connected with a nozzle through an angle adjusting mechanism and is used for adjusting a position and an angle of the nozzle.