MTN linear stages are durable, all-steel construction positioners with exceptional load capacity, stiffness and thermal stability. They are designed for applications that require moving heavy loads with sub-micron precision over 100-, 200- or 300-mm travel ranges. Stepper motors are a lower cost alternative to DC servo systems for less demanding applications. These stages feature micro-stepping to improve resolution and smoothness of motion. Run open-loop, position is attained by the number of commanded steps and micro-steps.
100 kg load capacity and high axial load capacity up to 200 N
All steel construction offers high stiffness and thermal stability
Backlash-compensated, diamond-corrected leadscrew for accurate motion
Also available in a vacuum compatible version MTN-PPV6.
Maximum speed is reduced to 20 mm/sec for MTN-PPV6 versions.
Axial load capacity is reduced to 100 N for MTN-PPV6 versions.
Features
Economical Micro-stepping Stepper Motor
For less demanding applications, a stepper motor can be a more economical solution than a DC motor. A stepper motor operates using the basic principle of magnetic attraction and repulsion, converting digital pulses into mechanical shaft rotation. To improve the resolution and smoothness of motion, the MTN-PP and MTN-PPV6 feature micro-stepping, a method of electronically dividing a full-step of motion into a high number of partial steps.
Basic working principle of a micro-stepping stepper motor
MTN Motor Options
MTN Series stages are available with Stepper, DC, or Brushless DC motors.
Stepper Motor (MTN-PP): Stepper Motors are a lower cost alternative to DC motor systems for less demanding applications. Micro-stepping is used to improve resolution and smoothness of motion.
DC Motor (MTN-CC): DC Motors are best characterized by their high speeds, smooth motion, good efficiency and a high power/weight ratio. They are preferable to stepper motor stages for applications requiring high dynamic speed and tight repeatability.
Brushless DC Motor (MTN-BLHS): Brushless DC Motors offer faster speed and finer repeatability than standard DC motors. They are designed for applications that require moving heavy loads with high speed and repeatability
The all steel construction allows for extreme stiffness and thermal stability. Because the entire body is made from steel, bi-metallic bending effects and errors are eliminated. Among the all steel linear stages, the MTN boasts the highest load capacity at 100 kg.
Diamond-Corrected Lead Screw and Precision-Lapped Nut
Recirculating ball bearings ensure better dynamics and lifetime, as well as equal axial load capacity in both directions.
Non-migrating Ball Cage Design
The non-migrating ball cage design eliminates cage drift, particularly in vertical applications, to enhance reliability.
Vacuum Compatible Versions
The MTN-PPV6 are the vacuum compatible versions of the MTN stepper motor stage. They can be used in a vacuum environment down to 10-6 Torr. Their performance is the same as their corresponding MTN-PP stepper motor stage, except that the maximum speed is 20 mm/sec and centered load capacity is 100 N.
Multi-Axis Stage Stacks and Table Mounting
For XY configurations of MTN stages, use the M-CAP-M61
captive screws. The same screws can also be used for bolting MTN stages directly to custom mounting surfaces via thru-holes at the carriage. For mounting MTN stages to optical tables, please use the MTN-BP
Newport guarantees specification values which are measured and recorded following ASME B5.57 and ISO 230-2 standards. The typical performance values are two times better than the guaranteed specifications.
MTN Stage Load Characteristics
Compatible motion controllers for these stepper motor driven stages are shown below:
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