|42HS40||17||∅ --||2||1.8°||2.55||1.70||0.42||0.24||1064002||7.30 €|
|42HS60||17||∅ --||2||1.8°||6.00||1.20||0.52||0.50||1064004||8.90 €|
|57HS51||23||∅ 8mm||2||1.8°||2.30||2.80||1.10||0.59||1064006||11.60 €|
|57HS56||23||∅ 8mm||2||1.8°||2.50||2.80||1.26||0.70||1064007||13.70 €|
|57HS82||23||∅ 8mm||2||1.8°||3.60||3.00||2.10||1.20||1064009||17.40 €|
|57HS112||23||∅ 8mm||2||1.8°||4.80||3.00||2.80||1.70||1064010||26.50 €|
|86HS78||34||∅ 14mm||2||1.8°||1.90||5.50||4.60||2.55||1064011||34.00 €|
|86HS115||34||∅ 14mm||2||1.8°||3.00||6.00||8.70||3.80||1064013||49.00 €|
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About Stepper Motors
Stepper Motor Advantages
Types of Step Motors
There are three basic types of step motors: variable reluctance, permanent magnet, and hybrid. This discussion will concentrate on the hybrid motor, since these step motors combine the best characteristics of the variable reluctance and permanent magnet motors. They are constructed with multi-toothed stator poles and a permanent magnet rotor. Standard hybrid motors have 200 rotor teeth and rotate at 1.8º step angles. Because they exhibit high static and dynamic torque and run at very high step rates, hybrid step motors are used in a wide variety of commercial applications including computer disk drives, printers/plotters, and CD players. Some industrial and scientific applications of stepper motors include robotics, machine tools, pick and place machines, automated wire cutting and wire bonding machines, and even precise fluid control devices.
Stepper motor "step modes" include Full, Half and Microstep. The type of step mode output of any stepper motor is dependent on the design of the driver. We offers stepper motor drives with switch selectable full and half step modes, as well as microstepping drives with either switch-selectable or software-selectable resolutions.
Standard hybrid stepping motors have 200 rotor teeth, or 200 full steps per revolution of the motor shaft. Dividing the 200 steps into the 360° of rotation equals a 1.8° full step angle. Normally, full step mode is achieved by energizing both windings while reversing the current alternately. Essentially one digital pulse from the driver is equivalent to one step.
Half step simply means that the step motor is rotating at 400 steps per revolution. In this mode, one winding is energized and then two windings are energized alternately, causing the rotor to rotate at half the distance, or 0.9°. Although it provides approximately 30% less torque, half-step mode produces a smoother motion than full-step mode.
Microstepping is a relatively new stepper motor technology that controls the current in the motor winding to a degree that further subdivides the number of positions between poles. Most microstepping drives are capable of dividing a full step (1.8°) into 256 microsteps, resulting in 51,200 steps per revolution (.007°/step). Microstepping is typically used in applications that require accurate positioning and smoother motion over a wide range of speeds. Like the half-step mode, microstepping provides approximately 30% less torque than full-step mode.