Abstract: An actuator device includes a base unit, a sliding unit, and a scraping unit. The base unit includes a base seat defining a receiving space, two magnets mounted to the base seat, and a steel belt that covers the receiving space and that is attracted to the magnets. The sliding unit is disposed on the base unit, and includes a sliding table that has a pass channel through which the steel belt extends. A nut seat is connected to the sliding table. The scraping unit is mounted to the sliding unit, and includes a scraping member that abuts against the steel belt. A threaded shaft is connected to a nut seat, such that a driving member is operable to drive rotation of the threaded shaft to thereby move the sliding unit along the threaded shaft relative to the base unit.

Abstract: An actuator device includes a base body that defines a receiving space. A first end subunit has a ventilation hole, a first oil injection hole, and a first oil injection nozzle extending from the first oil injection hole into the receiving space. A second end subunit is connected to the base body. A sliding unit is slidable relative to the base body, and has a slide table, a nut seat connected to the slide table, and a connection hole connected to the slide table and the base body. A pressure relief unit is mounted in the ventilation hole for allowing air to be discharged from the receiving space to an external environment. A driving unit is operable for driving movement of the sliding unit.

Abstract: An air-floating guide rail device includes a guide rail unit, a slider unit, and a linear motor unit. The guide rail unit includes a guide rail body and two air-floating block sets made of a material different from that of the guide rail body and each including top and side air-floating blocks. The slider unit includes a main sliding seat and two lateral sliding seats connected integrally to the main sliding seat and each having first and second guiding surfaces transverse to each other and disposed respectively adjacent to corresponding top and side air-floating blocks, and first and second air guiding passages connecting the first and second guiding surfaces to the external environment. The linear motor unit includes a stator and a mover mounted fixedly to the main sliding seat and movable relative to the stator for driving linear movement of the slider unit relative to the guide rail unit.

Abstract: A sliding table device includes a base unit, a sliding unit and a cover plate. The sliding unit includes two rails, two sliding blocks disposed respectively and slidably on the rails and each having an oil inlet, and a sliding seat mounted co-movably on the sliding blocks. The sliding seat includes a main portion having a flow passage and an insertion hole that interconnects the flow passage and external environment, two fixed portions mounted respectively to the sliding blocks and each having a connecting passage that communicates with the flow passage, and two guiding portions formed respectively on the fixed portions and each having a guiding passage that communicates with the corresponding connecting passage and the corresponding oil inlet. The cover plate covers a portion of the main portion, and the insertion hole is not covered by the cover plate.

Abstract: An air-floating guide rail device includes a guide rail unit, a slider unit, and a linear motor unit. The guide rail unit includes a guide rail body and two air-floating block sets made of a material different from that of the guide rail body and each including top and side air-floating blocks. The slider unit includes a main sliding seat and two lateral sliding seats connected integrally to the main sliding seat and each having first and second guiding surfaces transverse to each other and disposed respectively adjacent to corresponding top and side air-floating blocks, and first and second air guiding passages connecting the first and second guiding surfaces to the external environment. The linear motor unit includes a stator and a mover mounted fixedly to the main sliding seat and movable relative to the stator for driving linear movement of the slider unit relative to the guide rail unit.

Abstract: A sensing device includes a driving unit, a magnetic transmission unit, a sensing unit, and an operating unit. The magnetic transmission unit includes a main driving wheel, and first and second driven wheels. The main driving wheel includes a main driving wheel body sleeved co-rotatably to the driving unit, a main feedback portion mounted co-rotatably on the main driving wheel body, and a main magnetic driving portion mounted co-rotatably on the main driving wheel body. The first and second driven wheels respectively include first and driven wheel bodies, first and second feedback portions that are mounted co-rotatably and respectively on the first and second driven wheel bodies, and first and second magnetic driven portions mounted co-rotatably and respectively on the first and second driven wheel bodies, and magnetically driven by the main magnetic driving portion to rotate when the main driving wheel body co-rotates with the driving unit.

Abstract: An air-floating guide rail device includes a guide rail unit, a slider unit, and a linear motor unit. The guide rail unit includes a guide rail body and two air-floating block sets made of a material different from that of the guide rail body and each including top and side air-floating blocks. The slider unit includes a main sliding seat and two lateral sliding seats connected integrally to the main sliding seat and each having first and second guiding surfaces transverse to each other and disposed respectively adjacent to corresponding top and side air-floating blocks, and first and second air guiding passages connecting the first and second guiding surfaces to the external environment. The linear motor unit includes a stator and a mover mounted fixedly to the main sliding seat and movable relative to the stator for driving linear movement of the slider unit relative to the guide rail unit.

Abstract: A sliding table assembly includes a sliding seat unit slidably mounted to a base unit. Two auxiliary sliding seats are slidably mounted to the base unit and disposed on two sides of the sliding seat unit. A connection member is connected between the auxiliary sliding seats. Two roller sets are respectively mounted to the auxiliary sliding seats. Each roller set has rollers to roll on the base unit. A driving screw rod is coupled to the sliding seat unit and embraced by the auxiliary seats. When the sliding unit is moved by the driving screw rod, it pushes the auxiliary sliding seats to slide together therewith.

Abstract: A rotary apparatus includes a casing having a top sunk opening and an axial hole that are coaxially with each other along an axial line. A top adjusting disc unit is fixed in the top sunk opening, and has a top inner surrounding surface and a top outer surrounding surface. A top inner hole of the top inner surrounding surface extends along a central line parallel to and offset from the axial line. The top outer surrounding surface is non-coaxial with the top inner surrounding wall. A passive gear unit is disposed in the axial hole, and is driven by an active gear unit that is driven by a drive unit in the casing. The passive gear unit has an output shaft extending along the central line. A top bearing is clamped between the top support portion and the top inner surrounding surface of the top adjusting disc unit.

Abstract: A sliding table device includes a base unit, a sliding unit and a cover plate. The sliding unit includes two rails, two sliding blocks disposed respectively and slidably on the rails and each having an oil inlet, and a sliding seat mounted co-movably on the sliding blocks. The sliding seat includes a main portion having a flow passage and an insertion hole that interconnects the flow passage and external environment, two fixed portions mounted respectively to the sliding blocks and each having a connecting passage that communicates with the flow passage, and two guiding portions formed respectively on the fixed portions and each having a guiding passage that communicates with the corresponding connecting passage and the corresponding oil inlet. The cover plate covers a portion of the main portion, and the insertion hole is not covered by the cover plate.

Abstract: A motor for an electric cylinder includes a motor body, an encoder, a rotor coupling portion and an encoder fixing portion. The motor body includes a rotor having a shaft hole through which a rotating shaft extends. The encoder is installed on the motor body and includes a fixing ring fixed on the rotating shaft, a magnet holder combined with the fixing ring, an encoder magnet mounted on the magnet holder, and a magnetic sensor opposite to the encoder magnet. The magnet holder is rotatable relative to the fixing ring to adjust the magnetic pole position of the encoder magnet relative to the magnetic sensor. The rotor coupling portion is arranged on the rotor and fixed to the rotating shaft at a first corresponding position. The encoder fixing portion is arranged on the fixing ring and fixed with the rotating shaft at a second corresponding position.

Abstract: A sliding table includes a sliding seat having a seat body made from a first material and disposed between two main rigid rails parallel with each other. The seat body has two opposite rail recesses opening toward the main rigid rails, and two inner cyclic track holes disposed between the rail recesses. Two seat body rigid rails made from a second material harder than the first material are fixed in the rail recesses to confront the main rigid rails. Two roller belt modules are arranged in two cyclic track members overmolded to the seat body. When the seat body moves along the main rigid rails, each roller belt module circulates along one of the cyclic track members.

Abstract: A mechanical device includes a worm and two swing units disposed in a housing. Each swing unit has a pivot member and a swing member meshing with the worm. The swing member has an arcuate cam slot that has a first end and a second end. A rail is fixed to the housing above the swing units and the worm. Two sliders are connected to the swing units. Each slider has a slide block engaging the rail, an extension arm, and a protrusion protruding from the extension arm and inserted into the arcuate cam slot to slide between the first and second ends of the arcuate cam slot when the worm drives the swing member to swing.

Abstract: A coil assembly includes coil units connected to a coil base. Each coil unit includes top, intermediate and bottom coil modules, each of which has spaced-apart first and second interaction sides, and two non-interaction sides connected to the first and second interaction sides to form an accommodating space. The first interaction sides of the intermediate and bottom coil modules are juxtaposed with each other in the accommodating space of the top coil module. The second interaction sides of the top and intermediate coil modules are juxtaposed with each other in the accommodating space of the bottom coil module. An ironless motor includes a magnetic rail assembly and the aforesaid coil assembly.

Abstract: A mechanical device includes a worm and two swing units disposed in a housing. Each swing unit has a pivot member and a swing member meshing with the worm. The swing member has an arcuate cam slot that has a first end and a second end. A rail is fixed to the housing above the swing units and the worm. Two sliders are connected to the swing units. Each slider has a slide block engaging the rail, an extension arm, and a protrusion protruding from the extension arm and inserted into the arcuate cam slot to slide between the first and second ends of the arcuate cam slot when the worm drives the swing member to swing.

Abstract: A sliding table assembly includes a sliding seat unit slidably mounted to a base unit. Two auxiliary sliding seats are slidably mounted to the base unit and disposed on two sides of the sliding seat unit. A connection member is connected between the auxiliary sliding seats. Two roller sets are respectively mounted to the auxiliary sliding seats. Each roller set has rollers to roll on the base unit. A driving screw rod is coupled to the sliding seat unit and embraced by the auxiliary seats. When the sliding unit is moved by the driving screw rod, it pushes the auxiliary sliding seats to slide together therewith.

Abstract: A sliding table includes a sliding seat having a seat body made from a first material and disposed between two main rigid rails parallel with each other. The seat body has two opposite rail recesses opening toward the main rigid rails, and two inner cyclic track holes disposed between the rail recesses. Two seat body rigid rails made from a second material harder than the first material are fixed in the rail recesses to confront the main rigid rails. Two roller belt modules are arranged in two cyclic track members overmolded to the seat body. When the seat body moves along the main rigid rails, each roller belt module circulates along one of the cyclic track members.

Abstract: A slide rail device includes a track member, and a slider unit that includes a slider being slidable along the track member and having a recess which is cooperatively defined by two inner side faces and an inner connecting face connected between the inner side faces, and two block boards fixedly fastened to the inner connecting face. The slide rail device further includes a linear motor unit that includes a rotor connected to the inner connecting face and cooperating with the inner connecting face, the inner side faces and the block boards to define a filling space, and a heat dissipating member that fills the filling space, and that is seamlessly connected between the rotor and the slider unit.

Abstract: A motor for an electric cylinder includes a motor body, an encoder, a rotor coupling portion and an encoder fixing portion. The motor body includes a rotor having a shaft hole through which a rotating shaft extends. The encoder is installed on the motor body and includes a fixing ring fixed on the rotating shaft, a magnet holder combined with the fixing ring, an encoder magnet mounted on the magnet holder, and a magnetic sensor opposite to the encoder magnet. The magnet holder is rotatable relative to the fixing ring to adjust the magnetic pole position of the encoder magnet relative to the magnetic sensor. The rotor coupling portion is arranged on the rotor and fixed to the rotating shaft at a first corresponding position. The encoder fixing portion is arranged on the fixing ring and fixed with the rotating shaft at a second corresponding position.

Abstract: A coil assembly includes coil units connected to a coil base. Each coil unit includes top, intermediate and bottom coil modules, each of which has spaced-apart first and second interaction sides, and two non-interaction sides connected to the first and second interaction sides to form an accommodating space. The first interaction sides of the intermediate and bottom coil modules are juxtaposed with each other in the accommodating space of the top coil module. The second interaction sides of the top and intermediate coil modules are juxtaposed with each other in the accommodating space of the bottom coil module. An ironless motor includes a magnetic rail assembly and the aforesaid coil assembly.