Abstract: A vacuum pressure feeding system is provided with a first vacuum pressure feeding path for feeding vacuum pressure from a vacuum source to a holder for holding an object using the vacuum pressure, a tank for storing vacuum pressure, a second vacuum pressure feeding path branching from partway along the first vacuum pressure feeding path and connecting to the tank, and a first electromagnetic valve provided on the second vacuum pressure feeding path.

Abstract: A balance correction assistance device includes a storage unit that stores an attachment/detachment position, where a weight for adjusting the balance of the rotating body is attached and detached, and a predetermined operation position, where the weight for adjusting balance is attached to or detached from the rotating body: a rotation position information acquisition unit that acquires, from a rotation position detection unit, information indicating the rotation position of the rotating body: a determination unit that determines, on the basis of the rotation position, a rotation angle difference, between the operation position and current attachment/detachment position, in the circumferential direction of the rotating body: and a notification control unit that, if the absolute value of the rotation angle difference is less than a first threshold, issues, from a notification unit an audible notification indicating that the absolute value of the rotation angle difference is less than the first threshold.

Abstract: A vacuum pressure supply system comprises: a plurality of vacuum pressure supply paths for supplying a vacuum pressure from a vacuum source to a holding unit that holds an object using the vacuum pressure; a pressure adjusting mechanism that adjusts the pressure in the vacuum pressure supply paths to obtain mutually different holding forces for holding the object; and a switching mechanism that switches the connection state of the vacuum source and the plurality of vacuum pressure supply paths in order to change the holding force of the holding unit. The switching mechanism switches the connection state by selecting one of the vacuum pressure supply paths and connecting the selected vacuum pressure supply path to the vacuum source.

Abstract: A pressurized fluid supply system capable of favorably resuming the supply of a pressurized fluid to a support member when the supply of the pressurized fluid from a fluid supply source returns to a normal state, includes: a fluid supply path for supplying the pressurized fluid from the fluid supply source to the support member that supports a member using the pressurized fluid; a solenoid valve provided on the fluid supply path; a pressure sensor that is provided on the fluid supply path between the fluid supply source and the solenoid valve and detects the pressure of the pressurized fluid; a flow rate sensor that is provided on the fluid supply path between the solenoid valve and the support member and detects the flow rate of the pressurized fluid; and a control unit that controls opening/closing of the solenoid valve.

Abstract: A compressed fluid supply system comprises: a pressure adjustment unit for adjusting the pressure of a compressed fluid supplied from a fluid supply source to support members supporting a movable member so that the movable member can be driven through the use of the compressed fluid; a drive force acquisition unit for acquiring a drive force of a motor for driving the movable member; and a pressure control unit for adjusting the pressure of the compressed fluid supplied to the support members by controlling the pressure adjustment unit on the basis of the drive force of the motor.

Abstract: An auxiliary sheet, an auxiliary sheet manufacturing method, and a suction-attachment method with which it is possible to stabilize the attachment of an object being attached by suction. An auxiliary sheet according to an embodiment is provided with: a plurality of first regions having elasticity and including a plurality of pores arranged continuously to allow for passage of air; and one or a plurality of second regions having elasticity and in which the amount of passage of air is less than in the plurality of first regions. The plurality of first regions and the one or a plurality of second regions are disposed alternately, with those of the first regions and the second regions that are adjacent to each other being in contact with each other.

Abstract: A pressurized fluid supply system capable of preventing damage to a member supported using a pressurized fluid even when the supply of the pressurized fluid from a fluid supply source is interrupted, includes: a fluid supply path for supplying the pressurized fluid from the fluid supply source to a support member that supports a member using the pressurized fluid; and a tank that is provided on the fluid supply path and stores the pressurized fluid.

Abstract: A rotation device capable of improving safety includes a plurality of screw holes that each extend along the radial direction of a rotation member and each has an opening on a surface of the rotation member; and a stopper for preventing a screw disposed inside the screw hole from protruding to the outside of the opening, without interfering with insertion of a tool, for turning the screw, into the screw hole.

Abstract: A position adjustment device for adjusting the height of an object to be supported includes: a fixed portion; a movable portion provided to be movable in the height direction relative to the fixed portion and supporting the object to be supported; an expanding and contracting portion coupled to the fixed portion and the movable portion and configured to expand and contract in the height direction; an adjustment mechanism configured to adjust the position of the movable portion in the height direction relative to the fixed portion; and a metal member fixed to the fixed portion and the movable portion.

Abstract: A processing method includes: a step of setting a workpiece having a workpiece surface made of a material containing metal, on a precision processing machine; and a forming step of forming multiple grooves having a V-shaped cross-section, at intervals of a constant pitch in a predetermined area on the workpiece surface, using a tool provided in the precision processing machine to thereby form a V-groove pattern made up of the multiple grooves, in the predetermined area. In the forming step, each time one groove is formed, the relative position between the tool and the workpiece is moved in a direction intersecting the longitudinal direction of the groove and the angle of the groove face of the groove is gradually varied so that a uniform color can be visually recognized in every location in the predetermined area when the predetermined area is observed from a predetermined viewpoint.

Abstract: A support structure includes: a support frame as a shaft support member for supporting two shafts; a bush provided on each of the two shafts in a slidable manner; a cover support member connected to the multiple bushes and configured to support the cover; a first connection member for connecting one end of each of the two shafts to the support frame in a manner that the relative position between the shaft and the support frame will not change; and a second connection member for connecting the other end of each of the two shafts to the support frame in a manner that the relative position between the shaft and the support frame can change.

Abstract: An on-machine measurement device that locates a tip position of a blade of a machining tool provided on a machining device includes: a measurement unit configured to measure, in a workpiece that has been machined by the machining tool, a height of a reference plane not machined by the machining tool and a height of a machined surface machined by the machining tool; and a locating unit configured to locate the tip position of the blade of the machining tool based on information on a machining depth specified at the time of machining of the workpiece, and the height of the reference plane and the height of the machined surface that are measured by the measurement unit.

Abstract: A method of manufacturing a motor jacket incorporating a stator includes: the step of inserting the stator into a hole in the jacket that has a diameter larger than the outer diameter of the stator; the step of introducing an elastic adhesive into a gap between a surface of the hole and the stator; and the step of cooling the jacket for a given time after introducing the adhesive into the gap.

Abstract: A throttle unit is equipped with a grooved block including at least one minute groove formed on a plane surface, and an opposite block having a plane surface which is opposite to the minute groove. The grooved block and the opposite block are detachably joined so as to be opposite to each other. A throttle fluid path is formed by the minute groove and the plane surface of the opposite block. At least one surface of each of the minute groove is constituted by a curved surface or an inclined surface that is inclined with respect to the plane surface of the grooved block.

Abstract: A spindle device includes a cover member. The cover member has, formed therein, a gas flow path configured to flow a compressed gas for providing sealing between a chuck portion as a rotating member and the cover member and sealing between the chuck portion and the spindle housing. The gas flow path includes a first conduit configured to communicate the outside of the cover member and a second conduit configured to allow the first conduit to communicate with a gap between the chuck portion and the spindle housing, the second conduit being larger than the outlet of the first conduit. The outlet of the second conduit faces a surface of the spindle housing.

Abstract: A spindle device includes a spindle housing, a spindle shaft rotatably supported inside the spindle housing, a spindle mount having an insertion cavity into which the spindle housing is inserted along the axial direction of the spindle shaft, and a mount cover covering the spindle mount. A temperature regulator for adjusting the temperature inside the mount cover is provided inside the mount cover.

Abstract: A machine tool includes: a spindle unit for rotatably supporting a spindle; a moving mechanism for moving the spindle unit; a motor for driving the moving mechanism; a motor control unit for controlling the motor; and an estimation unit for estimating that abnormal vibration is likely to have occurred in the spindle when the amplitude of a signal indicating the driving state of the motor falls out of a predetermined allowable range.

Abstract: A spindle device includes a spindle shaft, a spindle housing, and a chuck portion as a rotating member. The chuck portion has, formed therein, a suctioning passage through which air suctioned from the outside flows. The spindle shaft has a first guide passage which guides air flowing through the suctioning passage to a clearance between the inner wall of the spindle housing defining a through hole in which the spindle shaft is inserted and the outer wall of the spindle shaft facing the inner wall, by way of the interior of the spindle shaft. The spindle housing has, formed therein, a second guide passage configured to guide the air guided to the clearance, to the outside.

Abstract: A support structure includes: at least two shafts extending in a first direction in which the cover expands and contracts, and arranged inside the cover so as to be spaced from each other in a second direction that intersects the first direction; a bush provided on each of the at least two shafts so as to be slidable along the shafts; and a cover support member. The cover support member includes a main part supporting the cover, a first connection part connecting the main part and the bush so as not to change the relative position between the bush and the main part, and a second connection part connecting the main part and the bush in a manner that the relative position between the bush and the main part can be changed.

Abstract: A support structure includes: a support frame as a shaft support member for supporting two shafts; a bush provided on each of the two shafts in a slidable manner; a cover support member connected to the multiple bushes and configured to support the cover; a first connection member for connecting one end of each of the two shafts to the support frame in a manner that the relative position between the shaft and the support frame will not change; and a second connection member for connecting the other end of each of the two shafts to the support frame in a manner that the relative position between the shaft and the support frame can change.