air bearing rotary table pricelist

With proper selection and integration of high-performance brushless DC servo motors ABTech’s air bearing rotary tables provide ultra-smooth and precise rotary motion. With high torque, high performance motor drives, our motion experts will gather your specific requirements and work closely with our motor suppliers to create/select a motor drive that suits your specific application. Whether you need sub-micron position accuracy with minimal settle time and stringent following error specifications, high-speed constant motion, or a combination of both there is an ABTech rotary table that will meet your needs.

ABTech’s modular design approach facilitates multiple system configurations to optimize the price-for-performance required in your application. This approach allows the user to define the level of control desired for the most cost-effective solution. Our complete engineering services allow us to respond quickly to provide a solution to your O.E.M. requirements for ultra-precision rotary motion.

ABTech’s standard line of high precision, air-bearing rotary tables (AT Series) and heavy-duty rotary tables (HDRT Series) are ideal for low-speed TIR measurements, optical inspection, precision assembly, or light machining and grinding where radial and axial accuracies down to 2.0 µ” are required. These are available with tilt and center worktables, precision fixtures, 3-jaw chucks, vacuum feed through the center, and motor drives. They are manufactured with 440CSS and hardened to 58 – 60 RC, making these rotary tables the most robust available.

Note on operating pressure: To protect the stage against damage, it is recommended to connect an air pressure sensor to the Motion-Stop input of the controller.

(1) Dependent on the quality of the underlying surface, the payload, orientation, and forces that act on the stage from the outside. Please contact PI for application-specific parameters. The specified values are static (no rotary motion during measuring) and without load.

AS A RESULT, PLANAR XY TABLE OFFERS GREATER RELIABILITY AND PERFORMANCE REALIZED THROUGH DESIGN SIMPLIFICATION AND ELIMINATION OF WEAR-PRONE COMPONENTS.

Planar XY Table consists of moving element called forcer which glides on the frictionless air bearings over the special "waffle-like "surface called platen.

AB Series Air Bearing Spin Tables Rotary tables with high accuracy motion for assembly, test and inspection The AB Series tables utilise air lubricated hydrostatic bearings designed to provide very high radial and axial stiffness. This type of bearing offers significant advantages over conventional rolling element bearings permitting operation with minimal drag vibration and mechanical noise. The design principle of these bearings ensure axial laminar flow between shaft and housing compared with conventional orifice entry arrangements thereby ensuring exceptionally good motion geometry. From 200mm to 600mm diameter rotary spin tables with high geometric performance for assembly, test, inspection and metrology applications. High grade stabilised cast iron base and rotary platen, ensure rigidity and precision. Precision hydrostatic bearings designed to provide very high radial and axial stiffness. This type of bearing offers significant advantages over conventional rolling element bearings permitting operation with minimal drag vibration and mechanical noise. ROTARY PRECISION INSTRUMENTS UK LTD The Maltings Industrial Estate, Brassmill Lane, Bath, England, BA1 3JL sales@rpiuk.com www.rpiuk.com

The PIglide RT series of nonmotorized passive rotary air bearings are designed for accuracy, precision, high stiffness, and ease of use. They can be used in any orientation and are easy to integrate with motors and encoders for complete positioning solutions.

The bearings of the RT series offer superior eccentricity, flatness, and wobble performance. Because they are completely friction-free, they exhibit no breakaway torque and no frictional resistance during operation. They are ideal for use in cleanrooms, require no maintenance or lubrication, and have unlimited lifetime.

The A-142 miniature linear translation stage is a unique, high performance precision nanopositioning system, featuring a direct-drive voice coil linear motor, a high-resolution linear encoder and frictionless and stiff air bearing guides. It is ideally suited for maintenance-free, high duty cycle industrial scanning and positioning applications. The special design of this voice coil-driven stage does not use any internal moving cables.

Despite its small size, this miniature linear translation stage provides high performance linear motion that cannot be met by conventional stages with mechanical bearings. Air bearing slides do not require lubricants and do not generate particles which makes them cleanroom compatible, another advantage in photonics, optics and semiconductor related test, metrology and alignment applications. Since the direct-drive, voice coil linear motor and the air bearings are completely maintenance-free and wear-free, this compact translation stage can be used in industrial, high throughput, 24/7 precision motion applications.

Based on the direct measuring linear encoder, and the lack of friction in the direct drive motor and air bearing linear guides, this miniaturized air bearing slide can provide extremely smooth motion in a very wide dynamic range. It provides, high velocity up to 450 mm/s and high acceleration to 2 g. The integrated linear encoder features 5 nanometers of sensor resolution and the stage platform provides 50 nanometers minimum incremental motion. It can be commanded to any position within its travel range with 0.1 µm position repeatability. The high speed and acceleration of the voice coil linear motor stage are an asset when it comes to high velocity scanning applications.

Two A-142 air bearing miniature stages can be assembled to form a miniature XY table and compact 3-axis stage combinations are also available, for example to handle complex high-speed multi-axis alignment tasks on small optical or fiber optical components. Talk to a PI engineer about your application to get free advice for the best system configurations.

PI offers a selection of high-performance motion controllers to program and operate these air bearing miniature linear slides. We recommend EtherCat® compatible controllers, such as the A-811 – A-814 series of high-performance ACS-based motion controllers. PI motion controllers come with a host of programming examples, available alignment routines and a simulation tool that allows customers to write programs and run basic system tests before their motion system is shipped.

Linear air bearings (and rotary air bearings as well) provide better geometric performance (pitch, yaw, roll, straightness and flatness, wobble and eccentricity) than conventional mechanical bearings. They replace the rolling or sliding contact from mechanical ball bearings or cross-roller bearings with a friction-free air film for a virtually unlimited service life. Air bearing linear slides and rotary tables are ideally suited for clean room applications, because they do not rely on lubricants and do not generate particles. PI has engineering teams with decades of air bearing design, manufacture and assembly experience and can provide a large spectrum of air bearing motion systems, from standard single-axis miniature stages to complex customized multi-axis granite motion systems.

Voice coil linear motors provide frictionless linear motion with very rapid response, acceleration and high velocity. For applications where 24/7 high dynamics scanning motion is required, with travel ranges of typically 25 mm (1 inch) or below, a voice coil linear motor is an ideal solution. Its compact design, maintenance-free and particle generation free operation are additional advantages. For longer travel ranges, 3-phase linear motors are recommended, such as found in the A-123 air bearing linear slides or V-417 linear stages with mechanical bearings.

The A-142 air bearing miniature linear stage is ideally suited for high-precision motion applications, such as metrology, photonics alignment systems, optics positioning, and scanning. The noncontact design is ideal for cleanroom applications.

The PIglide RT series of nonmotorized passive rotary air bearings are designed for accuracy, precision, high stiffness, and ease of use. They can be used in any orientation and are easy to integrate with motors and encoders for complete positioning solutions.

The bearings of the RT series offer superior eccentricity, flatness, and wobble performance. Because they are completely friction-free, they exhibit no breakaway torque and no frictional resistance during operation. They are ideal for use in cleanrooms, require no maintenance or lubrication, and have unlimited lifetime.

Air Bearing Rotary Tables, Table Top and Work Load are Supported on Air Bearings whose Freedom from Friction Contributes to Extremely High Positional Accuracy

An Interlocking Switch is used when Motors are Incorporated to Prevent the Table Top from Moving when the Air Supply is Turned Off.  When the Air Supply is Turned Off, the Table Top Sits Firmly on our Cast Base with an Extremely High Accuracy of Parallelism Between the Base and Table Top

Rotary tables specifically developed for use in Metrology applications.  CMM tables, inspection tables, assembly tables.  Range of sizes 100mm thru 5,000mm.  Larger on request.

Air bearing rotary tables, when rotating, the table top and work load are supported on air bearings whose freedom from friction contributes to the extremely high positional accuracy.  High precision needle roller bearing maintains radial accuracy.

Supplied with each table.  On/off Switch controls the compressed air supply to the table.  Interlocking ensures that the motor drive can only operate if the air supply is on.  When air supply is off, table sits firmly on the base casting with extremely high accuracy of parallelism between the top surface and the underside of the base.

The VH-6 is the smallest rotary table we offer featuring 6.3" (160mm) diameter spindle with a 1.5" through hole. The VH-6 features a newly designed pneumatic braking system which offers 120 ft-lbs of brake holding. The VH-6 maintains a rigid design with dual bearings both in the front and rear of the spindle. The centerline is 5.5". There is an optional 6" 3-Jaw chuck and adapter plate available as well as a 5C nose piece with either manual or air collet closer.

The Index Designs VH-6 is a true 4th-axis rotary table that comescomplete with compatible servo motor, and 9" extension cables ready to plug into you 4th-axis ready CNC machine.

For machines that are not 4th-axis ready: Add 4th-axis kit for each rotary table. Kit includes all parts necessary to make CNC machine 4th-axis ready. Prices vary by machine. Call for quote. Does not include installation.

Work can only be carried out efficiently with the right accessories and clamping devices. pL LEHMANN rotary tables are optimally prepared for this. The MTS (Modular Tooling System) offers an extremely wide range of possibilities thanks to the standardized spindle system. In addition to counter bearings and tailstocks, many different workpiece clamping systems are available. This means that the production system can be set up optimally and changed again later if necessary - with standard components from the market.

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These systems designed to replace conventional compounded XY tables, where one axis is being carried by another. As a result, Planar XY Table offers greater reliability and performance realized through design simplification and elimination of wear-prone components.

Planar XY Table consists of moving element called forcer which glides on the frictionless air bearings over the special "waffle-like "surface called platen.