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1" Pedestal Posts

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Ø1.0" (Ø25 mm) Pedestal Pillar Posts




  • Solid Stainless Steel Construction
  • 8-32 (M4) or 1/4"-20 (M6) Taps on Both Ends

Features

  • Post Lengths from 0.5" (12.5 mm) to 4" (100 mm)
  • Stackable via 8-32 (M4) or 1/4"-20 (M6) Taps
  • Extend Height with our RS-Series Extension Posts
  • Pedestal Base for Clamping Fork Compatibility
  • Solid Stainless Steel, Precision Ground to Ø1.0" (Ø25 mm)

These one-piece, solid nonmagnetic stainless steel RS-Series Pedestal Posts provide unparalleled strength and rigidity. We offer versions with 8-32 (M4) or 1/4"-20 (M6) taps on both ends. A wide relief cut around each tap offers stable fastening of our optical mounts and optical tables.

The pedestal base is compatible with our solid steel Clamping Forks (see below), providing a high degree of positional flexibility when securing to an optical table. If space is an issue, our CL8 clamp offers a space-saving alternative to secure our posts to an optical table. Post Spacers add vertical positioning flexibility. These spacers can be stacked with the pedestal posts to achieve in-between lengths.

 

Ø1.0" (Ø25 mm) Pedestal Posts, 8-32 (M4) Tap


* Solid Stainless Steel Construction Precision Ground to Ø1.0" (Ø25 mm)
* Stackable via 8-32 (M4) Tapped Holes on Both Ends
* Convenient Pedestal Base Design Compatible with Our CF-Series Clamping Forks

These pedestal pillars, which are fabricated from nonmagnetic 303 stainless steel, are 1.0" (25 mm) in diameter, have 8-32 (M4) taps on both ends, and are available in a variety of lengths. The 8-32 (M4) taps are compatible with many optomechanical devices such as most of our kinematic mounts. A convenient side-located 3/16" (5 mm) balldriver hole has been provided for extra leverage during tightening. If desirable, these posts are also available with 1/4"-20 (M6) taps; please see below for details.

 

Ø1.0" (Ø25 mm) Pedestal Posts, 1/4"-20 (M6) Tap


* Solid Stainless Steel Construction Precision Ground to Ø1.0" (Ø25 mm)
* Stackable via 1/4"-20 (M6) Tapped Holes on Both Ends
* Convenient Pedestal Base Design Compatible with Our CF-Series Clamping Forks

These pedestal pillars, which are fabricated from nonmagnetic 303 stainless steel, are 1.0" (25 mm) in diameter, have 1/4"-20 (M6) taps on both ends, and are available in a variety of lengths. The 1/4"-20 (M6) thread allows for easy integration of Ø1" post extensions and spacers. If an 8-32 thread is preferred, each post ships with an adapter to switch from the 1/4"-20 thread on the post to an 8-32 thread (Item # AE8E25E). The metric versions have an M6 to M4 adapter included (Item # AE4M6M).

A convenient side-located 3/16" (5 mm) balldriver hole has been provided for extra leverage during tightening.

 

Ø25.0 mm Post Spacers

 

  • Solid Stainless Steel Construction
  • 1/4" (M6) Clearance Hole
  • Large Diameter Relief Cut on Top and Bottom for Additional Mounting Stability

These spacers are designed for achieving "in between" heights of our RS-Series Pillar Posts without compromising structural rigidity. The center 1/4" (M6) clearance hole allows threaded studs to pass through to the mating tap of the components on either side of the spacer. Achieving, for example, a total post height of 8.2" is as simple as inserting one RS5M spacer (0.2" thickness) in between two RS4 posts (4" length).

Included with each spacer are two hex-driven set screws. The 1 mm through 6 mm spacers include an M6 x 20 mm setscrew and a 1/4"-20 x 7/8" setscrew; alternatively, the 7 mm through the 10 mm spacers include an M6 x 25 mm setscrew and a 1/4"-20 x 1" setscrew.

 

Peelable Laminated Shims

 

  • Peel Away Individual Layers as Needed
  • Stainless Steel
  • Tabbed for Easy Peeling
  • Sold in Packs of 5

 

This Ø25 mm, peelable, laminated shim provides fine height adjustment when using our Ø1" posts. These 1.0 mm ± 10% thick shims come in packs of 5 and have 14 layers, which are each 0.075 mm thick. They have a through hole to accommodate a 1/4"-20 (M6) screw.

 

Be aware the finish on some shims may appear tarnished due to the manufacturing process. This does not affect form, fit, or function. Only the appearance is altered.

 

To peel, take a sharp edge like an exacto knife or a box cutter and hold it at a 45° angle to the tab on the shim as shown in the photo to the left. Gently flick the knife upward until the layer begins to lift. In general, you should be able to lift an edge within 5 attempts. If you cannot get an edge to lift, gently tap the corner of the tab on a table until the material begins to flare.

 

Once an edge is lifted, insert the blade under the layer, squeeze the layer between your thumb and the blade, and roll your wrist down and then up to start peeling (see photo in the upper left). Once the layer has been peeled up enough, you can use your thumb and forefinger to remove it the rest of the way. Repeat this process until you have removed as many layers as desired. Discard all peeled-off layers.

 

Base Adapters and Clamping Forks

 

  • Combine BE1 Adapter Converts Standard PH Series Post Holder into Pedestal-Style Mount
  • Clamping Fork Secures Pedestal-Style Mount to a Breadboard or Table
  • Two Sizes: CF125 (1.25" Counterbored Slot) and CF175 (1.75" Counterbored Slot)
  • Swivel Fork ±360° to Pick Up Most Convenient Mounting Hole

Pedestal Base Adapter
The BE1 fastens to the base of our standard PH Series Post Holders (as shown to the right) and RS Series Ø1" Pillar Posts to convert them into Pedestal-Style mounts. This combination provides a high degree of mounting flexibility. Note: Together, the BE1 Base Adapter and PH Series Post Holder provide nearly the same design to that of the PHxE Series Pedestal-Style Post Holder without the magnets in the base and through hole design.

Clamping Forks
Our solid stainless steel clamping forks are designed to provide exceptional clamping force when used with our pedestal-style posts and post holders. Use a 1/4"-20 (M6) cap screw and washer combination to lock down the base/fork combination. Please note that significant overtightening of clamping forks can deform the surface of an optical table, which can cause misalignment of components.

 

Ø1" Pedestal Post Clamp

 

  • Compatible with Ø1" and Ø1.5" Posts
  • Two-Point Contact with Pedestal Post Perimeter
  • Line Contact on Table for More Secure Clamping Force

Thorlabs' CL8 pedestal post clamp secures our Ø1" and Ø1.5" pedestal posts to an optical table or breadboard. Its V-shaped tip provides two-point contact with the post perimeter and its rounded edge increases the contact area along the table.

 

Post Position Retainer

 

  • Re-Position Ø1" and Ø1.5" Posts within an Optical System
  • Re-Alignment Based on Two Contact Points
  • Third Contact Point for Realigning Square Components
  • 1.73" (43.8 mm) Long and 0.13" (3.2 mm) Thick

Thorlabs' RSPC Post Position Retainer is used to realign posts that have been removed from an optical system. It acts as a marker on the breadboard or optical table in the event that you need to remove a post from your setup. The two white dots engraved on the top surface of the outer arms of the retainer mark the two points of post contact. The RSPC was specifically designed for use with the Ø1" Pedestal Posts. The third dot, located within the V-groove, is for retaining the position of a square base or other squared-off component. For more information on using the RSPC with a square component.

Note: The RSPC Post Position Retainer can also be secured to an optical table or breadboard via the CL6 clamp. This clamp is useful in situations where the RSPC cannot be placed directly over a hole in the table. The photos below illustrate the RSPC being secured to an optical table both with an 8-32 cap screw and with the CL6 clamp.

ABOUT US

Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

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Tel               +966 35823441
Fax               +966 35823441
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