McTilt Specifications and Instructions
        Frequently a probe or other device mounted on a chamber flange will not precisely reach a specified point inside the chamber.  This can be due to the mass on the end bending the device and/or inaccuracies of chamber port alignments.

        To overcome this problem we have the McTilt series of port aligners which can be mounted between the device and the chamber port.

         The McTilt is the finest 2-axis tilt stage available. From the self-lubricating pivot bearings to the rugged construction, everything speaks of quality. The McTilt 200 with 2¾" conflat flanges (pictured) has the shortest overall height of any similar gimbal on the market. The clear inside diameter (ID) is a full 1½" to clear your gizmo and tilt it farther. Motorized and extra heavy-duty versions are also available.

         There are five standard sizes of McTilt and other, custom sizes are also available. Standard flange sizes range from 2¾" (70 mm) to 10" (250 mm) CF. All versions are fully bakeable to 210oC.

        The McTilts with 4½", 6" and 8" conflats use welded bellows. This further minimizes the overall height and gives maximum clear ID, but does not increase the cost. In fact, the McTilts with welded bellows often cost less than ones with formed bellows from other manufacturers. All the McTilts have a total range of 20o (±10o) in both axes.

Price list

McTilt Gimbals
Model 
(Click for graphic)
Clear I.D.
OAL
 Price*
McTilt 200
1.50" (38)
3.2" (81)
 $ 775
McTilt 450
2.89" (73)
4.1" (105)
 $1775
McTilt 600
4.0" (100)
4.0" (100)
 $3,555
McTilt 800
5.89" (149)
4.75" (120)

Consult factory
McTilt 1000
7.87" (199)
5.5" (140)
 Consult factory
Dimensions are in inches (mm)   -   *Prices are in U.S. Dollars
Consult factory for models not shown
        Under normal conditions your McTilt will provide years of trouble-free service, especially if the following simple maintenance is performed. As delivered, the micrometers are only lightly lubricated. If possible, remove the micrometers before bakeout. If that is not possible, temporarily remove the micrometers and lightly coat the threads with the silicone grease provided. A little goes a long way. This coating may degrade over time, due to moisture in the atmosphere, but will last for several bake-outs. Relubricate as required, but only with the grease provided. Be especially careful not to use a hydrocarbon grease such as Felpro C100TM unless you perodically clean the oxidized residue from all load-bearing surfaces. The normal bakeout temperature is 150oC without removing the micrometers. Higher temperatures can be used, if needed. For bakeouts between 150oC and 210oC, increase the frequency and thoroughness of lubrication and remove the micrometers.

         The McTilt mechanism can be left off for ease of assembly until the bellows is bolted to the system or may be clamped to the bellows flanges before installation. The pivots of the two halves of the upper and lower plates are dimensionally identical but not interchangeable due to the location of the micrometers. Make sure the micrometers are aligned to the thrust pads when reassembling.

         We appreciate the confidence you place in our company by your purchase. In addition to our broad line of standard scientific products, we at McAllister Technical Services know that the customer needs choices and options to fulfill the ever-changing demands of the scientific community. We are committed to providing those options. Please do not hesitate to contact us if you have any questions, comments or suggestions.

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Last Updated: 10 January 2007