Abstract: A liquid discharge apparatus includes a liquid discharge unit, a position detector, and circuitry. The liquid discharge unit has a liquid discharge port and discharges a liquid from the liquid discharge port toward an object. The position detector detects a position of the liquid discharge unit relative to the object. The circuitry calculates a movement trajectory of the liquid discharge unit based on the position of the liquid discharge unit detected by the position detector. Further, the circuitry performs a first operation of causing the liquid discharge unit to move along the movement trajectory without discharging the liquid and performs a second operation of causing the liquid discharge unit to move along the movement trajectory while discharging the liquid to the object after the first operation.

Abstract: A tension adjuster includes a plurality of drive shafts, a plurality of drive sources to rotate the plurality of drive shafts, and a drive transmitter to transmit rotational drive force of the plurality of drive shafts to a rotary shaft of a conveyance object wound in a roll. The drive transmitter includes a planetary gear mechanism including a sun gear rotated by a first drive shaft of the plurality of drive shafts and a planetary gear carrier rotated by a second drive shaft of the plurality of drive shafts. The planetary gear mechanism attenuates rotational drive force of one of the plurality of drive shafts to transmit the rotational drive force of the first drive shaft to the rotary shaft of the conveyance object, based on a damping ratio defined by a number of rotations of the sun gear and a number of rotations of the planet gear carrier.

Abstract: A liquid discharge apparatus includes a liquid discharge unit and a contact detection unit. The liquid discharge unit has a liquid discharge port from which a liquid is discharged toward an object. The liquid discharge unit is movable along at least one of a first axis and a second axis intersecting the first axis and movable along a third axis intersecting the first axis and the second axis. The third axis is parallel to a direction in which the liquid is discharged from the liquid discharge port toward the object. The contact detection unit detects contact of the liquid discharge unit with the object. The contact detection unit is detachably attached to the liquid discharge unit.

Abstract: A discharge head includes a nozzle, a valve body, a piezoelectric element, and a first biasing unit. The nozzle is configured to discharge liquid. The valve body is configured to open and close the nozzle. The piezoelectric element is configured to drive the valve body. The first biasing unit is disposed in parallel with the piezoelectric element. The piezoelectric element is configured to drive the valve body in a direction to open the nozzle when a voltage is applied to the piezoelectric element. The first biasing unit is configured to bias the valve body in the direction to open the nozzle.

Abstract: An example of a positioning apparatus has a base member configured to support a stator core, a positioning tool disposed on its upper surface, and a driving mechanism for driving it. The positioning tool has a first plate and a second plate. The first plate has an inner side ring and an annular plate body fixed to the upper surface thereof, and the second plate has an outer side ring and a plate body fixed to the upper surface thereof. Insertion holes each configured to accept insertion of one of distal end pairs are formed on the plate bodies, respectively, and positioning is performed by rotating these plate bodies in opposite directions. Positions of the distal end pairs are aligned in the radial direction without the positioning tool, and then the positioning tool is set.

Abstract: A roll medium holding device rotatably holds a roll medium. The roll medium holding device includes a medium positioning portion including an inclined surface that contacts an end of the roll medium and a medium holder that is swingable around an axis parallel to a rotation axis of the roll medium and movable in a radial direction of the roll medium. The medium holder presses an inner circumferential surface of the roll medium in a direction from the rotation axis of the roll medium toward the inner circumferential surface of the roll medium.

Abstract: A liquid discharge apparatus includes a liquid discharge unit, a position detector, and circuitry. The liquid discharge unit has a liquid discharge port and discharges a liquid from the liquid discharge port toward an object. The position detector detects a position of the liquid discharge unit relative to the object. The circuitry calculates a movement trajectory of the liquid discharge unit based on the position of the liquid discharge unit detected by the position detector. Further, the circuitry performs a first operation of causing the liquid discharge unit to move along the movement trajectory without discharging the liquid and performs a second operation of causing the liquid discharge unit to move along the movement trajectory while discharging the liquid to the object after the first operation.

Abstract: A liquid discharge apparatus includes a liquid discharge unit and a contact detection unit. The liquid discharge unit has a liquid discharge port from which a liquid is discharged toward an object. The liquid discharge unit is movable along at least one of a first axis and a second axis intersecting the first axis and movable along a third axis intersecting the first axis and the second axis. The third axis is parallel to a direction in which the liquid is discharged from the liquid discharge port toward the object. The contact detection unit detects contact of the liquid discharge unit with the object. The contact detection unit is detachably attached to the liquid discharge unit.

Abstract: A roll medium holding device rotatably holds a roll medium. The roll medium holding device includes a medium positioning portion including an inclined surface that contacts an end of the roll medium and a medium holder that is swingable around an axis parallel to a rotation axis of the roll medium and movable in a radial direction of the roll medium. The medium holder presses an inner circumferential surface of the roll medium in a direction from the rotation axis of the roll medium toward the inner circumferential surface of the roll medium.

Abstract: A manufacturing apparatus of an electrical rotating machine includes a coil segment shaping section for shaping a linear wire rod with a predetermined length into a coil segment with a predetermined shape consisting of a pair of slot insertion portions extending substantially in parallel with each other and a linking portion for coupling the pair of slot insertion portions, and a coil assembling section for assembling a coil by circularly arranging the coil segments shaped in the coil segment shaping section. The coil segment shaping section and the coil assembling section are constituted to continuously perform the shaping and the assembling of the coil segment in each coil segment unit, based on control data set depending on a coil to be fabricated.

Abstract: An example of a positioning apparatus has a base member configured to support a stator core, a positioning tool disposed on its upper surface, and a driving mechanism for driving it. The positioning tool has a first plate and a second plate. The first plate has an inner side ring and an annular plate body fixed to the upper surface thereof, and the second plate has an outer side ring and a plate body fixed to the upper surface thereof. Insertion holes each configured to accept insertion of one of distal end pairs are formed on the plate bodies, respectively, and positioning is performed by rotating these plate bodies in opposite directions. Positions of the distal end pairs are aligned in the radial direction without the positioning tool, and then the positioning tool is set.

Abstract: A sheet cutting device includes a cutter, a movable member, a driving device, and a sheet holder. The movable member moves the cutter in a cutting direction. The driving device drives the movable member. The sheet holder is disposed on a downstream side of a sheet cutting position of the cutter in a sheet conveyance direction, to hold a sheet. The sheet holder includes a sheet holding member that is disposed on a sheet cutting start side of the cutter and is movable to a sheet holding position at which the sheet holding member holds the sheet and a non-holding position at which the sheet holding member does not hold the sheet. When the sheet is cut by the cutter, the sheet holding member moves to the sheet holding position. After cutting of the sheet has been completed, the sheet holding member moves to the non-holding position.

Abstract: A tension controller includes a drive device configured to rotate a drive shaft, and a drive transmission device configured to transmit a rotation driving force of the drive shaft of the drive device to rotate a rotary shaft of a roll of a conveyance target medium. The drive transmission device including a tension applying device including a variable speed reducing device and a torque limiter, the variable speed reducing device and the torque limiter being disposed between the drive shaft of the drive device and the rotary shaft of the roll of the conveyance target medium. The variable speed reducing device of the tension applying device being configured to change a speed reduction ratio between the rotary shaft of the roll of the conveyance target medium and the torque limiter and to apply a tension force to the conveyance target medium.

Abstract: A roll holder is inserted with a hollow tube of one of a first roll having a first inner diameter and a second roll having a second inner diameter greater than the first inner diameter. The roll holder includes a holder and a cam assembly that are supported by a support shaft and movable in an axial direction of the support shaft. The cam assembly includes an abutment and a cam. The abutment contacts a lateral end of the second roll in the axial direction of the support shaft. The cam presses against one of a first presser and a second presser of the holder in a radial direction of the support shaft to cause the one of the first presser and the second presser to press against and hold an inner circumferential face of the hollow tube of the one of the first roll and the second roll.

Abstract: A roll holder includes a plurality of holder members to fit in and hold axial ends of any of a first roll with a first inner diameter and a second roll with a second inner diameter greater than the first inner diameter. Each holder member includes a base opposed to an axial end of any of the first roll and the second roll; a plurality of support switches; and a lock. The support switch is movable in an axial direction between a support position to support the second roll with the second inner diameter and a retracted position retracted from the support position to support the first roll with the first inner diameter. The lock locks movement of the plurality of support switches and releases locking of movement of the plurality of support switches when each of the plurality of holder members is fitted in the first roll.

Abstract: A sheet cutting device includes a cutter, a movable member, a driving device, and a sheet holder. The movable member moves the cutter in a cutting direction. The driving device drives the movable member. The sheet holder is disposed on a downstream side of a sheet cutting position of the cutter in a sheet conveyance direction, to hold a sheet. The sheet holder includes a sheet holding member that is disposed on a sheet cutting start side of the cutter and is movable to a sheet holding position at which the sheet holding member holds the sheet and a non-holding position at which the sheet holding member does not hold the sheet. When the sheet is cut by the cutter, the sheet holding member moves to the sheet holding position. After cutting of the sheet has been completed, the sheet holding member moves to the non-holding position.

Abstract: A tension controller includes a drive device configured to rotate a drive shaft, and a drive transmission device configured to transmit a rotation driving force of the drive shaft of the drive device to rotate a rotary shaft of a roll of a conveyance target medium. The drive transmission device including a tension applying device including a variable speed reducing device and a torque limiter, the variable speed reducing device and the torque limiter being disposed between the drive shaft of the drive device and the rotary shaft of the roll of the conveyance target medium. The variable speed reducing device of the tension applying device being configured to change a speed reduction ratio between the rotary shaft of the roll of the conveyance target medium and the torque limiter and to apply a tension force to the conveyance target medium.

Abstract: A manufacturing apparatus of an electrical rotating machine includes a coil segment shaping section for shaping a linear wire rod with a predetermined length into a coil segment with a predetermined shape consisting of a pair of slot insertion port ions extending substantially in parallel with each other and a linking portion for coupling the pair of slot insertion portions, and a coil assembling section for assembling a coil by circularly arranging the coil segments shaped in the coil segment shaping section. The coil segment shaping section and the coil assembling section are constituted to continuously perform the shaping and the assembling of the coil segment in each coil segment unit, based on control data set depending on a coil to be fabricated.

Abstract: Disclosed is a roll retainer fitting into ends of a roll to retain the roll. The roll retainer includes a retaining member having a flange facing one end of the roll; two or more supporting members pivotally retained by the retaining member, each of the supporting members being movable along an axial direction within a plane between a supporting position at which the supporting member is inserted in a hollow shaft of the roll and a retracted position at which the supporting member is retracted from the supporting position; and a linking device configured to couple the supporting members, the supporting members being linked with one another to be moved between the supporting positions and the retracted positions.

Abstract: A roll holder is inserted with a hollow tube of one of a first roll having a first inner diameter and a second roll having a second inner diameter greater than the first inner diameter. The roll holder includes a holder and a cam assembly that are supported by a support shaft and movable in an axial direction of the support shaft. The cam assembly includes an abutment and a cam. The abutment contacts a lateral end of the second roll in the axial direction of the support shaft. The cam presses against one of a first presser and a second presser of the holder in a radial direction of the support shaft to cause the one of the first presser and the second presser to press against and hold an inner circumferential face of the hollow tube of the one of the first roll and the second roll.