Linear Motion (Rack & Pinion) Transporter

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Description

Lesker Linear Motion (Rack & Pinion) Transporter

 

The Kurt J. Lesker Linear rack-and-pinion sample (LRP) transporter:

  • For both HV and UHV applications requiring in-vacuum linear motion
  • Available with either aluminum (ISO80 interface flange) or stainless steel (4½" CF interface flange) housings
  • Provides a positive-drive linear motion with standard 24" (610mm) and 36" (914mm) travel distances
  • A precision transporter, it features excellent wear characteristics, minimum particle generation, and precise positioning accuracy when fully extended
  • Uniquely suited for load lock applications

The LRP's 1" diameter extruded aluminum transfer arm with 1/2" diameter end effecter has a hardened stainless steel rack insert for strength and durability. It is driven by an aluminum bronze pinion gear. It has two diametrically opposed hardened stainless steel bearing-guide shafts that ride on a precision chamfered eight-bearing support carriage. This construction keeps the drive compact—yet ensures rigidity for heavier load transfer applications—and light to minimize end-droop at full insertion.

The LRP utilizes as standard a ferrofluid rotary drive to rotate the pinion. It is rated for use at 10-11 Torr, and bakeable to 150°C. The residual magnetic fields associated with this actuator are minimal. The LRP can be retrofitted with other type rotary drives. Please contactThis email address is being protected from spambots. You need JavaScript enabled to view it. for information.

Motorization of the rotary drive is available as an option. A servo motor is mounted inline on the drive, enabling automated operation of the transfer arm. Motors are easily removed for bakeout.

A limit switch is included. It gives a contact closure, indicating the probe is fully retracted. This signal can be interlocked to prevent the premature closing of a pneumatic-actuated gate valve through which the probe passes.

NOTE:

  • Specific travel lengths, extra-long travel lengths, and automated rack extensions along with motorization and controller options can be supplied. Please contact This email address is being protected from spambots. You need JavaScript enabled to view it. for ordering information.
  • Rebuilding service available, including full disassembly, inspection and clean.

 

 

 

 

 

 

 

 

Lesker Linear Motion (Rack & Pinion) Transporter

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