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V-Planer Guide Tube

  • V-Plane® building block component
  • Used with 1-1/2 inch bore Z-axis V-Plane® stages with greater than 6 inch travel
  • Bakeable to 230ºC
  • 1-1/3 inch Del-Seal™ CF access ports
  • Linear bearing guide tube support
  • Includes 1/4 and 3/8 inch diameter shaft rotary bearing supports

MDC guide tubes provide bellows support for V-Plane® manipulator stages fitted with long-stroke bellows as well as secondary rotary and linear motion feedthroughs installed on the stage. Guide tubes mount directly onto V-Plane® manipulator stages fitted with 2-3/4" Del-Seal™ CF port flanges with a bore clearance suitable for the 1.125" guide tube diameter. They are supplied with both rotary and linear bearing supports. Rotary bearings for .250" and .375" diameter shafts are included. For applications requiring sample heating, cooling, high voltage biasing, thermocouple temperature measurements, etc., the guide tube tip has been fitted with two slots 180º apart through which wires or tubes can be fed. Four 1-1/3" and one 2-3/4" Del-Seal™ CF flange accessory ports allow the installation of up to five additional accessory components. When a manipulator stage is not under vacuum or is let up to air with the bellows in some state of compression, the compressed bellows spring force may force the bellows to shift off-axis at some point during its travel. The off-axis shift could be sudden and violent causing injury or damage to the bellows.

MDC recommends that all long-stroke 1.50" diameter bore Z axis V-Plane® stages, with linear travels exceeding six inches, be fitted with guide tubes. 

Note that the linear bearing support on a guide tube requires a 2.5" bore in any mating component.

  Flange / Body 304ss
  Bearings 300 series stainless steel with Dicronite® coating
 Vacuum Range  1x10-11 Torr
 Temperature Range -200 to 230ºC
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