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FHA-Cmini Series
The FHA-Cmini series comprises AC servo actuators that integrate a thin speed reducer HarmonicDrive® for precision control and a super flat AC servo motor. Input power supply voltage DC 24V specification is newly added. The FHA-Cmini series features an unmatched thin and compact hollow body. Entire machine and equipment structures can be simplified by passing wires, pipes and laser beams through a hole in the center of the actuator. The dedicated drivers in the HA-655, HA-675 and HA-680 series represent servo drivers for positional and speed control developed exclusively for driving the FHACmini series. The compact and multi-functional dedicated driver controls the motions of the FHA-Cmini series with high levels of accuracy and precision.
Features
Slim line body
The slim line body is achieved by integrating a thin speed reducer HarmonicDrive® for precision control and an ultra flat AC servo motor uniquely developed by Harmonic Drive Systems. The length from the face of the mounting flange to the end of an actuator is less than 1/3 that of a conventional AC servo actuator of Harmonic Drive Systems. This reduced thickness drastically downsizes the machine or equipment that is driven.
Hollow Structure
Wires, pipes and laser beams can be passed through a hole in the center of the actuator allowing an energy supply and the exchange of signals with the operating units of machines and equipment in order to simplify their structures.
High output torque
The thin speed reducer HarmonicDrive® for precision control assures a very high torque output when compared with a direct drive motor of the same size.
High positional accuracy
High accuracy positioning. Detector resolution 800,000 pulses/revolution (0.00045°/pulse), uni-direction positional accuracy 90s or less (FHA-14C-100).
High torsional stiffness
HarmonicDrive® A CSFmini series featuring high stiffness is integrated
The FHA-Cmini series comprises AC servo actuators that integrate a thin speed reducer HarmonicDive® for precision control and a super flat AC servo motor. The FHA-C series features a thin and compact hollow body unmatched by rivals. The structures of entire machines and equipment can be simplified by passing wires, pipes and laser beams through a hole in the center of the actuator. The dedicated drivers in the HA-655 and HA675 series are the servo drivers for positional and speed control developed exclusively for driving the FHA-C series. The FHA-C series is an optimum selection for driving robot articulation, alignment mechanisms of semiconductor and liquid crystal panel manufacturing systems, ATC drive of machine tools, printing rollers and factory automation equipment.
Features
Slim line body
The slim line body is achieved by integrating a thin speed reducer HarmonicDrive® for precision control and an ultra flat AC servo motor. The length from the face of the mounting flange to the end of an actuator is less than 1/2 and about 30% shorter in terms of total length compared with the conventional AC servo actuator included in Harmonic Drive Systems. This thin thickness drastically downsizes the machine or equipment that is driven.
Hollow Structure
Wires, pipes and laser beams can be passed through the hole in the center of the actuator for the supply of energy to and exchange of signals with operating units of machines and equipment to simplify their structures.
High output torque
The thin speed reducer HarmonicDrive® for precision control assures a very high output torque compared with direct drive by a motor of the same size. The FHA-C series boosts the maximum torque further compared with conventional models.
High positional accuracy
Ultra high accuracy. Detector resolution 1,600,000 pulses/revolution (0.000225°/pulse), uni-direction positional accuracy 40s (FHA-17C-100/160) and 30s (FHA-25C/32C/40C-100/160)
High torsional stiffness
HarmonicDrive® CSD series featuring high stiffness is integrated.
Uni-directional Positional accuracy
The “uni-directional positional accuracy” represents the maximum difference in a single revolution among differences between an angle actually rotated from the datum position and one that is supposed to turn in each position by repeating sequential positioning in a preset rotational direction. (Source: JIS [Japanese Industrial Standards] B 6201:1987). The FHA-C series contains a speed reducer HarmonicDrive® for precision control and positioning errors of the motor shaft are therefore compressed to 1/50, 1/100 or 1/160 by speed reduction. In reality, angular transmission errors of the speed reducer determine the unidirectional positional accuracy. The measured values of angular transmission errors of the speed reducer are therefore shown as the uni-directional positional accuracy of the FHA-C series
RSFsupermini Series
The RSF supermini series are ultra-small AC servo actuators combining ultra-precision control deceleration device HarmonicDrive® that provides precision rotation operation at a high torque with ultra-small AC servo motor developed to make use of the performance of the decelerator. HA-580 with an electromagnetic brake are also included in the lineup. They can meet fail-safe requirements of equipment to prevent accidents upon power supply failure. The dedicated servo driver HA-680 is an AC servo driver for 24VDC power supply. The small and multi-functional HA-680 driver is equipped with position control, speed control, and torque control as standard to control operation of the RSF supermini series correctly and precisely. The RSF supermini series can contribute to downsizing of driving of robot joints, semiconductor/LCD panel manufacturing equipment, machine tools, and other FA equipment. By utilizing its small and high-torque characteristics, it can also be used for small equipment and for research.
Uni-directional Positional accuracy
The “uni-directional positional accuracy” represents the maximum difference in a single revolution among differences between an angle actually rotated from the datum position and one that is supposed to turn in each position by repeating sequential positioning in a preset rotational direction. (Source: JIS [Japanese Industrial Standards] B 6201:1987). The RSFsupermini series contains a speed reducer HarmonicDrive® for precision control and positioning errors of the motor shaft are therefore compressed to 1/30, 1/50 or 1/100 by speed reduction. In reality, angular transmission errors of the speed reducer determine the uni-directional positional accuracy. The measured values of angular transmission errors of the speed reducer are therefore shown as t
RH Series
The RH series includes compact and high-torque DC servo actuators with a high rotational accuracy combining a speed reducer HarmonicDrive® for precision control and a DC servo motor. A combination with a dedicated servo driver that fully demonstrates the performance of this RH series of implements; compact machines and equipment with a high rotational accuracy
Absolute Positioning Accuracy
The “absolute positioning accuracy” shows the constant level of posions.
The “absolute positioning accuracy” is determined by comparative measurement using a reference encoder. Turning one turn making Signal Z as a cardinal point, a difference between measured value (position that actually moved from reference point) and reference encoder at each positioning point is calculated. The value (maximum value – minimum value) is made an absolute positioning accuracy. [Reference encoder] Resolution: 57,600,000 pulses/revolution Absolute position accuracy: 0.26 arc/s [Position correction function of absolute positioning] Absolute positioning accuracy is measured along the entire periphery. The angular difference between the theoretical revolution stop position and actual revolution stop position is stored as position correction data. The position correction data is looked up during motor positioning operation to correct the position, to enhance the absolute positioning accuracy
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