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The RV Series rotation stages provide high-precision angular positioning accuracy combined with high load capacity. There are five stage sizes and six drive configurations available, optimizing load capacity, torque, speed and resolution for a variety of operating conditions.
All RV stages are constructed of tool steel, with rotation accuracy ensured by ground bearing surfaces. A double row of preloaded bearings allows for high off-center loads in a reduced footprint. The single monolithic design offers improved stiffness without compromising dynamic performance. The largest RV stage can bear up to 6500N or rotate up to 80 °/s, while maintaining less than 4 um eccentricity.
Precise rotation is ensured by a precision ground and hardened worm gear. A rotary encoder mounted on the worm gear shaft provides 0.001° position feedback resolution (0.00025° resolution with RVS80CC) on the standard configurations. For more demanding applications, the HAT and HAHLT options are available on the RV120 to RV350 models. These stages are equipped with a direct reading optical encoder attached to the moving platen for superior resolution and accuracy.
The selection of the drive configuration should be based on the precision and speed requirements relative to the inertia of the payload.
• Precision 80–350 mm diameter rotation stages
• Monolithic design ensures high structural stiffness
• Ideal for high-load application
• High-accuracy versions with direct reading encoder and better than 0.0001° (0.36 arcsec) resolution
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The objective piezo positionner OPP120SM uses the amplified piezo actuators from CEDRAT TECHNOLOGIES's standard range of actuators and an additional guiding to move vertically and accurately the objective.
The APA™ achieves the trade-off between stroke and stifness and is therefore well suited to rapid confocal microscopy. The interface with the objective can be customised. The mechanism can integrate an eddy current proximity sensor (ECS otpion).
Max No-load displacement(µm): 140; Dimensions(mm): 50*65*40; Resonance frequency(Hz): 440; Response time(ms): 1,14
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Nano Linear Stage PT 30-5-MSI
The Nano Linear Stage has a piezo inertial drive. With a travel in the millimetre range and steps in the nanometer range, it is suitable for manifold applications. A built-on miniature measuring system enables highest positioning accuracy and repeatability. A reference point is included in the glass scale. The basic components of the linear stage are made of highstrength aluminium. Due to a black anodized coating, the surface is protected and reflexion-poor. In order to ensure a high load capacity and a long life time, two preloaded linear ball bearing guides are integrated. Several PT 30-5-MSI can be mounted together and build multiaxis combinations. Due to the highly flexible connecting cable, additional forces are reduced, leading to a precise positioning motion. For the mounting of the nanopositioners, the mounting plate NMP 50 is recommended. It is available as accessory. In order to operate the nanopositioners with measuring system, the nano position control NPS 03 has to be used. The complete system is pluggable and ready for connection.
- high power density on little space
- with build-on measuring system
- precise positioning in the nanometer range
- travel in the millimeter range
- particularly high load capacity due to the preloaded linear ball bearing guides
Option
- version for use in vacuum
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TRITOR series
highly compact design resulting in superior performance
accurate parallel motion through parallelogram design
high reliability due to solid state hinges
motion without mechanical play
high resolution in nm and sub-nm range
motion up to 400 µm
precision pin holes
applications:
optics, laser tuning, fiber positioning
micromanipulation, biology
scanning systems
vacuum and low temperature
The unique TRITOR elements are extremely compact but offer motions of up to 400 µm in all three axes. Parallel motion is achieved without mechanical play due to the mechanical design. As an option, integrated position control systems for overcoming the effect of hysteresis are available.
TRITOR elements can be easily combined with other mechanical positioning systems. They are well suited for many various applications reaching from optical research to OEM systems.
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Internal anti-backlash leadscrew drives ball slide or crossed roller slide assemblies. Available in one two or three axes. shaft coupling and motor mount included.
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Small, step motor driven stages for light weight (1-15 kg) payload scanning and positioning. Travel ranges from 5 cm to 75 cm. Includes stages, motors and programmable motor controller.
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Rotary Measuring Stage DMT 130
This precision rotary stage allows unlimited azimuth at resolutions of less than one angular minute. It is suitable for horizontal and vertical rotational axes.
The precision ball bearing and the worm gear are preloaded.
The rotary stage DMT 130 is available with different motors.
All aluminium parts have a top quality black anodised protective coating.
- deformation-resistant aluminium alloy
- precision angular contact ball bearing
- preloaded worm gear
- rotary table with aperture
- electronical reference switch (Hall-effect)
- with step motor or DC servo motor
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Sub-millimeter positioning system for proton therapy treatment of ophthalmologic tumors.
For tumor treatment, radiotherapy frequently uses electrons or X-ray beams. Those techniques do not offer optimal results for deep tumors and can even irradiate healthy or radio sensitive tissues located close to the tumor, with possible collateral damages for the patient.
Proton therapy offers new opportunities for the treatment for tumors nearby sensitive organs, particularly in ophthalmology.
The unique advantages of a proton beam are its low divergence and its ability of focusing exactly onto the target for a maximum power dissipation on the tumour, not on its neighbourhood.
It is therefore highly important to perfectly align the patient with the proton beam.
WOW Company has developed a 3-axis accurate positioning seat able to fulfill this requirement.
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Flexure guided piezo stage positioners are used in a variety of applications from semiconductor manufacturing to precision machining.
PI introduced the first line of piezoelectric actuators more than 35 years ago. The technology's unique features such as: responsiveness; stiffness; life time and infinite resolution, have opened many markets since then, from semiconductor testing to precision machining. Typical piezo tools for precision machining are equipped with special waterproof casings which also provide the mechanical interface to the tooling machine and the tool servo.
Integrated metrology systems feature resolution in the nanometer and sub-nanometer range for closed-loop operation with digital or analog motion controllers. Flexure guiding mechanisms and motion amplifiers provide long traveling ranges and protect the piezo ceramics from off-axis forces.
PI piezo actuator systems are used throughout the world, often in applications that run 24 hours a day, seven days a week. They improve the manufacturing precision of optics, crank shafts, bearings, cylinders, pistons, etc. in crucial processes such as diamond turning, milling, grinding, out-of-round boring or wear-compensation of tools.
Custom-manufactured high-performace piezoceramic actuators provide lifetimes of billions of cycles. Power amplifiers with energy recovery and 2000 W peak power are available for high-dynamics applications.
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piezosystem jen's new nano-positioning stages of the series nanoX work in a bidirectional active manner. Hence, these elements are well equipped for fast dynamic applications combined with an excellent guiding accuracy even at high mass loads.
What does this mean? Due to the inability of the smca (stacked multilayer ceramic actuator) to generate pull forces, state-of-the-art piezoelectric driven nanopositioning actuators show different kinds of behavior depending on the sense of direction of their stroke. Hence, the resulting forces in the push direction are determined by the high force generation of the actively controlled scma. The pull force is determined by the weak spring reset force of the passive acting flexure hinges. Both result in a push/pull-force ratio of up to 10. The dynamical performance, load capacity and robustness of the whole nanopositioning assembly are limited by the behavior of the weaker sense of direction.
Psj's new sophisticated gear design operates in a bidirectional active manner which reduces the push/pull-force ratio to up to approx. 1:1 (without affecting the trajectory). Both stroke vectors of the nanopositioning stage are controlled by the high pressure force generation of the smca's.
This mechanical design features:
the most efficient way to change the smca forces into translation power
an outstanding damping ability of actively controlled acceleration and deceleration
high inertial preload; a high degree of mechanical resistance against shocking overloads
minimized failure rate caused by the absence of destructive pull forces acting on the smca
excellent temperature compensation
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-Versatile and compact modular-component design
-Carousel or Over-Under working positions
-Precision machined cast iron chemical-nickel plated links
-Precision chordal compensation cams
-High station-to-station accuracy
-Fast intermittent motion
-Vibration free
-Custom index-distance and custom motion available
-Custom options available, including: machined main-frame, line-shafts, cams, synchronized parts-handlers and auxiliary index drives, custom chassis, etc.
-CDS can design and build machine sub-systems to suit customers needs
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Hexapod 6-Axis Precision Positioning Stage
- 6 Degrees of Freedom
- Extremely Compact
- Travel Ranges to 45 mm (linear), 25° (rotation)
- Load Capacity to 10 kg, Self Locking Version
- Resolution to 7 nm
- Min. Incremental Motion to 300 nm
- Repeatability ±0.5 µm
- Velocity to 25 mm/sec
- Vacuum-Compatible Versions Available
The M-824 is the ideal micropositioning positioning stage for all complex positioning tasks which depend on high speed and accuracy in six independent axes. In addition to positioning all axes, it allows the user to define a center of rotation (pivot point) anywhere inside or outside the system envelope by one simple software command.
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Gullco Welding Positioners are positive drive rotary turn tables complete with mounting flange, drive and tilt mechanisms and microprocessor based pulse width modulation motor controls. Standard and Programmable models are available.
They are driven by a low voltage permanent magnet motor and gearhead power unit assembly. The microprocessor motor control enables operator interface of start, stop, clockwise rotation, neutral, counter clock-wise rotation and infinitely variable control of the speed, within the range of the model.
Rotation speed is electronically controlled using an optical tachometer located on the back of the gear-motor. Speeds within the range of the model are infinitely variable in both clockwise and counter-clockwise directions through a rotary speed adjustment potentiometer located on the remote control.
Table tilt is manually set at any desired angle, from 0° through 90°, quickly and easily. Safety is greatly enhanced with Gullco’s low voltage (24 V) control and power supply system.
Standard or Purge-equipped units are available and each can be supplied in one of two speed ranges to suit specific application requirements.
These positioners are drilled and tapped for mounting Gullco Model WP-250 or WP-400 Self-Centering Grippers. These are versatile and efficient grippers for pipe, pipe fittings, flanges, etc.
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Like a vacuum vise for glass, Powr-Grip® Positioners provide
continuous 360° rotation and four tilt angles for effortless glass positioning.
Standard Vacuum Pad:
9" [229 mm] diameter vacuum pad
Load Capacity:
150 lbs [70 kg]
Standard Operating Power:
120 volts AC, 60 hertz, 3 amps
Apply / Release Times:
3 seconds / 3 seconds (approx)
Load Movement:
Manual rotation, 360° with adjustable rotation tension
Manual tilt, 90° with locking in 4 positions between upright and flat
Adjustable Height:
3 positions at 5" [127 mm] increments
Standard Features:
Available in Floor Mount (POSF1P9AC) and Bench Mount (POSB1P9AC) models.
(Note: Floor model should be counterbalanced or permanently fastened to the floor for proper operation.)
Foot-controlled vacuum release valve
Vacuum line filter
Vacuum gauge
Twist-lock electrical plug
Blow-off for quick release
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For more than 30 years Newport has provided both research and commercial industries with an outstanding selection of manual translation stages. From top-of-the-line stainless steel crossed-roller bearing stages to economically priced dovetail stages, Newport has a manual translation component to fit most any application. In this section you will find a wide variety of linear stages, rotation stages, manual actuators, and integrated translation stages for fiber alignment applications. Newport also offers custom modification on its manual translation stages.
461/462 Series ULTRAlign™ Precision Integrated Crossed-Roller Bearing Linear Stages
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The 300 series tables feature a rigid pair of quality angular contact bearings which produce smooth table top rotation. The low backlash precision worm gear drive provides exceptional accuracy and repeatability. All aluminum components have a black anodized finish and each table can have either a NEMA 23 or 34 motor mount attached. Threaded steel inserts in the table top provide for easy mounting of the user load while the 0.75 inch (19 mm) through hole provides easy access from below.
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The RT-5DR manual rotary stage incorporates the use of a precision rotary encoder to provide positional information to a small DRO unit. This is a smart, user-friendly rotary stage alternative to cumbersome outdated micrometer arrangements.
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Model SM46C:
- No pit required
- 5 cm high at table top
- 800 pound running load
- Non-slip drive belt
- Cable access between turntable top and bottom
- Fiber optic interface
- Self-cleaning, fixed rollers
- Non-conductive
- 4 foot diameter
- Motor box / table separation optional and customer specified
- 1 degree position accuracy
- Electrically shielded motor box
- Maintenance free
- Indoor / outdoor
- Variable speed standard
Model SM2015C:
- 2m diameter
- 3 inches high at table top
- 1500 pound running load
- Same features as SM46C
Model FS241:
- 24" diameter rotating deck
- 100 pound (45 kg) EUT capacity
- No metal parts above motorbox
- Variable Speed
- Remote motorbox option
- Customer specified height
- Fiber optic interface
- Indoor / outdoor
Flush Mount Turntables:
- Advanced, low maintenance grounding scheme
- Exceeds site attenuation requirements
- Fiber optic interface
- All metal
- Precision - 1 degree (greater precision optional)
- Manual and remote operation
- Gear driven
- Scan or continuous rotation
- Low maintenance
- Adjustable height
- Variable speed optional
- Pit ring with self-cleaning ground plane interface
- Positioning switch located at turntable
- Full line of standard models
- Custom sizes available
- Optional deck mounted LISNs and Power Receptacles
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ROBOLIFT actuators and positioners are STANDARD COMPONENTS “Original Bett Sistemi”, realized with nickel-plated tubing (Ø 50 mm as standard) or rectangular standard section bars (standard 45x90) in single or cross versions. They can be manually operated or motor driven. Robolift is mainly used for positioning accessories (e.g. labelling heads) along the assembly or packaging line, or for changing accessories for format changeovers with the adjustment of only one axis if the carriages move in opposite directions, or with the adjustment of both axes if not.
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