SDP/SI - Gears

Shaft Differential from Sterling Instrument Features Patented Anti-Backlash Gear System

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A patented precision shaft differential, manufactured by Sterling Instrument, features built-in Anti-Backlash characteristics for eliminating play in shaft rotations. The differential, identified as Catalog No. S9540A-TS9, provides a high level of precision in instrument drives and other types of quality applications and is particularly effective in designs involving the adding and subtracting of shaft rotations in servo systems.

The 2.250” long patented unit (No. 3, 137, 181) consists of three stainless steel bevel gears plus a central spider block. Sterling’s end gears, when ordered are at the same time as the differential, are assembled without charge to the differential shafts.

Specifications of the S9540A-TS9 Anti-Backlash Differential are:

* Nominal shaft diameter: .125 in.

* Maximum load rating: 50 oz. in.

* Maximum operating speed: 1000 rpm

* Breakaway torque (on-tooth load): .15 oz. in.

* Breakaway torque (three-tooth load): .30 oz. in.

* Weight: 1.8 oz.

Within the rated torque and speed, the backlash between the end gears when a S9540A-TS9 Anti-Backlash Differential is employed will be zero. This compares to a maximum backlash of 10 minutes between end gears when a standard differential is used.

Availability is from stock. The price in single-unit quantity is $305.35.

Si 8

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Stock Drive Products / Sterling Instrument
E-Mail: SDP-SIsupport@sdp-si.com
Phone: 516-328-3300
Fax: 800-737-7436 or 516-326-8827