Abstract: A tire testing device includes a carriage configured to rotatably hold a test wheel provided with a test tire and being capable of travelling on a base along a road surface in a state where the test wheel is made to contact the road surface, and a driving system configured to drive the test wheel and the carriage. The driving system includes a carriage driving part configured to drive the carriage with respect to the road surface in a predetermined speed, a test wheel driving part configured to drive the test wheel in a rotating speed corresponding to the predetermined speed, a driving part configured to generate power to be used to drive the carriage and the test wheel, and a power distributing part configured to distribute power generated by the driving part to the carriage driving part and the test wheel driving part.

Abstract: A dynamic balance testing device includes a vibrating unit configured to rotatably hold a predetermined rotating body being a specimen, a first spring configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a direction parallel to a rotation axis of the predetermined rotating body, and at least three second springs configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a predetermined direction orthogonal to the rotation axis. The at least three second springs are attached to the vibrating unit on a same predetermined plane, and the vibrating unit holds the predetermined rotating body such that a projection of a center of gravity of the predetermined rotating body onto the predetermined plane is substantially at the same position as a position where the first spring is attached to the vibrating unit.

Abstract: A dynamic balance testing device includes a vibrating unit configured to rotatably hold a predetermined rotating body being a specimen, a first spring configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a direction parallel to a rotation axis of the predetermined rotating body, and at least three second springs configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a predetermined direction orthogonal to the rotation axis. The at least three second springs are attached to the vibrating unit on a same predetermined plane, and the vibrating unit holds the predetermined rotating body such that a projection of a center of gravity of the predetermined rotating body onto the predetermined plane is substantially at the same position as a position where the first spring is attached to the vibrating unit.

Abstract: A dynamic balance testing device includes a plurality of support rollers having respective rotation axes extending in a predetermined direction, the plurality of support rollers being configured to support a specimen in internal contact with an inner periphery of the specimen in such a manner that the specimen is rotatable about a central axis of the inner periphery, the plurality of support rollers including, a first support roller having a first rotation axis that is parallel to the central axis of the inner periphery of the specimen, and a second support roller having a second rotation axis that is parallel to the central axis of the inner periphery of the specimen and is positionally different from the first rotation axis of the first support roller.

Abstract: A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.

Abstract: A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism comprises: a movable block attached to the fixed part; a linear guide that couples the movable block with the base to be slidable in the predetermined drive direction; and an elastic member that is disposed between the base and the movable block and prevents transmission of a high frequency component of vibration in the predetermined drive direction.

Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wi

Abstract: A control device including a simulation unit to simulate behaviors of a virtual mechanical system, and a drive control unit to control driving of servomotors based on the simulation results, is provided. The virtual mechanical system includes a first drive module, a first main shaft module connected to the first drive module, and a plurality of power transmission subsystems, each of which is connected to the first main shaft module and is associated with one of the servomotors respectively. Each of the power transmission subsystems includes an output module. The servomotor associated with the power transmission subsystem is driven according to a simulated result of input into the output module.

Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wi

Abstract: A dynamic balance testing device includes a vibrating unit configured to rotatably hold a predetermined rotating body being a specimen, a first spring configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a direction parallel to a rotation axis of the predetermined rotating body, and at least three second springs configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a predetermined direction orthogonal to the rotation axis. The at least three second springs are attached to the vibrating unit on a same predetermined plane, and the vibrating unit holds the predetermined rotating body such that a projection of a center of gravity of the predetermined rotating body onto the predetermined plane is substantially at the same position as a position where the first spring is attached to the vibrating unit.

Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wi

Abstract: A bearing testing machine comprising: a testing machine shaft to which at least one test piece being a bearing is attached, the testing machine shaft being a rotation shaft extending in a Y axis direction being a horizontal direction; a rotational driving unit configured to rotate the testing machine shaft; a test piece holding unit configured to elastically holds the test piece; and an at least one axle driving unit configured to drive the testing machine shaft in a vertical direction and in an X axis direction which is a horizontal direction orthogonal to the Y axis direction.

Abstract: A dynamic balance testing device includes a plurality of support rollers having respective rotation axes extending in a predetermined direction, the plurality of support rollers being configured to support a specimen in internal contact with an inner periphery of the specimen in such a manner that the specimen is rotatable about a central axis of the inner periphery, the plurality of support rollers including, a first support roller having a first rotation axis that is parallel to the central axis of the inner periphery of the specimen, and a second support roller having a second rotation axis that is parallel to the central axis of the inner periphery of the specimen and is positionally different from the first rotation axis of the first support roller.

Abstract: An oscillating device including a vibrating table, an actuator configured to oscillate the vibrating table in a first direction, a coupling mechanism configured to couple the vibrating table with the actuator in such a manner that the vibrating table is movable relative to the actuator in a second direction orthogonal to the first direction, and a counter balancer attached to the vibrating table and configured to compensate an imbalance of an oscillated portion including at least the vibrating table, the imbalance being caused by attaching the coupling mechanism to the vibrating table.

Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wi

Abstract: A bearing testing machine comprising: a testing machine shaft to which at least one test piece being a bearing is attached, the testing machine shaft being a rotation shaft extending in a Y axis direction being a horizontal direction; a rotational driving unit configured to rotate the testing machine shaft; a test piece holding unit configured to elastically holds the test piece; and an at least one axle driving unit configured to drive the testing machine shaft in a vertical direction and in an X axis direction which is a horizontal direction orthogonal to the Y axis direction.

Abstract: A torsion tester including a plurality of driving units configured to connect with and rotate three or more input/output shafts of a test body, respectively, and a controller configured to control the plurality of driving units to be driven with one of individually-set rotational frequencies and individually-set torques, respectively.

Abstract: A torsion tester including a reaction force unit and a drive unit including a servo motor, a first reduction gear, a shaft transmitting an output force from the first reduction gear, a clutch having an input shaft fixed to the shaft, a second reduction gear decelerating rotation of an output shaft of the clutch, a chuck, and a connection mechanism connecting the chuck with one of the shaft and the second reduction gear, the drive unit configured to switch between a first mode where the clutch is disengaged, and the shaft is connected with the chuck by the connection mechanism and a second mode where the clutch is engaged, and the second reduction gear is connected with the chuck by the connection mechanism.