Description

Precision Linear-Rotary Feedthroughs

Thermionics manufactures a full line of metal sealed rotary motion feedthroughs.  Our design is conservative, utilizing the same principles as those of our precision feedthrough line using welded bellows and all ball bearing construction.

FRLC-275 Series

• With coaxial linear-rotary probes
• 3/8″ O.D. tube
• 1/8″ O.D. probe, micrometer adjust for 0.5″ or 1.0″ linear travel
• 9″ tube length standard – Custom Lengths optional
• Continuous Rotation with 0.1° resolution, 1° graduations
• Position lock
• Maximum bakeout temperature: 200°C
• Up to 24″, flange face-to-tip

Options

Fine Adjust

• Utilizes a precision Klinger stage for rotary actuation
• One minute Vernier reading

Motor Drives

Rotary

Option: Stepping or Synchronous Motor Drive with High Precision Worm Gear

• Anti-backlash worm drive
• Self-locking
• Manual knob
• Motor controller sold separately

Linear

Option: Stepping or Synchronous Motor Drive

• For linear actuation of FRLC
• Manual knob
• Requires limit switch knob
• Motor controller sold separately

EXTS-FRLC-0.5 Retrofit Shaft Extension

• Precision 3/8″ O.D. stainless steel tube
• Includes 1/8″ O.D. center push rod extension with return spring
• 0.5″ push rod range
• Split clamp attachment to existing shaft
• Shaft extension length 3″ to 24″, as per customer requirements
• Simple field installation or removal
• Mounts to 3/8″ O.D. shaft FRLC-275-0.5 and others

EXTS-FRLC-1 Retrofit Shaft Extension

• Precision 3/8″ O.D. stainless steel tube
• Includes 1/8″ O.D. center push rod extension with return spring
• 1″ push rod range
• Split clamp attachment to existing shaft
• Shaft extension length 3″ to 24″, as per customer requirements
• Simple field installation or removal
• Mounts to 3/8″ O.D. shaft FRLC-275-1 and others