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Motion INNOVATIONSPOWER TRANSMISSION Top Product
Ball screw. The XC series of ball screws utilizes a rigid stainless steel cam that automatically rotates and produces higher axial rigidity without sacrificing life, torque or positional accuracy. The Active CAM design, which replaces older spring loaded nut technologies, produces zero backlash and consistent minimal drag torque up to the rated load capacity of the nut. The Active CAM will automatically compensate for wear and deliver exceptional repeatability throughout the life of the nut. The 1 in. XC series assembly has a load capacity up to 500 lbs. and is available in thread mounts. The active CAM assemblies are non-corrosive because they are made out of stainless steel and plastic. BSA, 3616 Snell Ave, San Jose, CA 95136. 800-882-8857. http://www.ballscrews.com Circle 610.
Circle 615.
http://www.itwspiroid.com Circle 613.
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Cycloidal speed reducers. Transcyko cycloidal speed reducers
are available in a wide range and combination of sizes, ratios, input power, mountings and
configurations. Reduction ratios range from 6:1 through 119:1 per stagethrough 7569:1
double and 658,503:1 triple reduction. Input horsepower ranges from 1/16 to over 200 HP.
Maximum output torque is in excess of 500,000 in.-lbs. TSC Reducers, 1572 W
Fourth Ave, Vancouver, B.C. Canada V6J 1L7. 604-736-7301. Circle 614.
Bearing mounted clutches. The BEC & SEC series is available
in six sizes with torques from 2.5 through 600 in.-lbs., and 75 to 1800 in.-lbs.
respectively, allowing the rotor assembly to rotate with the drive shaft at high speeds.
The rotor assembly is supported with ball bearings to the stationary field coil housing
for increased life and load capacity. They are suitable for a range of industrial
applications. Electroid, 45 Fadem Rd, Springfield, NJ 07081. 973-467-8100. 
Fractional horsepower gearmotors. The Mity Drive line of AC
gearmotors is custom designed for each specific application. Engineering assistance is
provided to enable customers to specify the gearmotor best suited for each function.
Maximum torque is 50 in.-lbs. with a speed range of 2 to 282 RPM. They are also available
in 12 or 24 VDC with speed ranges from 8 to 282 RPM. Anko Products, 3007
29th Ave E, Bradenton, FL 34208. 800-446-2656. 
Light load gearmotors. This gearmotor package is designed
specifically for slow belt speeds, light conveyor loads, or applications with smaller
motor size restrictions. Fixed speed and variable speed models are available for bottom,
top or side mountings, and all are designed for end-drive applications. The variable speed
motors can support conveyor loads of up to 80 lbs. and the fixed speed motors can drive
conveyor loads of up to 78 lbs. Dorner, PO Box 20, Hartland, WI 53029.
800-397-8664. 
Clean room gearheads. The Ultra True line is precise and
compact, and is ideal for wafer polishing, chemical mechanical planarization equipment,
chemical or plasma deposition equipment and wafer cleaning equipment. It is offered in
either in-line or right-angle construction. Both configurations are available in five
frame sizes with ratios from 1:1 to 100:1. Rated torque is up to 31,000 in.-lbs. with an
efficiency of 92%. Thomson Industries, 2 Channel Dr, Port Washington, NY
11050. 516-883-8000. 
Spiroid gearboxes. Spiroid gearboxes offer high power in a
small package. Spiroid designs can be found in thousands of applications in a wide range
of industries, from aerospace to medical equipment to factory automation. The gearing
design flexibility ensures that almost any application can be handled. They are available
in ratios ranging from 6:1 to more than 400:1. ITW Spiroid, 3700 W Lake Ave,
Glenview, IL 60025. 800-253-7940.
Motion control kit. The DeviceNet compliant MVP motion control
modules come in a complete kit form. Included in the kit is a module with integrated
linear or PWM amplifier, power supply, demo software, instruction manual, all necessary
cabling, and gearmotor and encoder of choice. Only one module is required to operate up to
63 axes of motion control. Micro Mo Electronics, 14881 Evergreen Ave,
Clearwater, FL 33762. 800-807-9166. 
Polymer bearings. The PEP line of bearings are for rotary
movement. This closed bearing design allows the bearing to function with any type of shaft
material. The inner sleeve of the bearing acts as the mating surface, allowing the
coefficient of friction and specific wear behavior to be predetermined. PEP bearings
combine the advantages of self-lubricating bearings with reliable closed ball bearing
design. igus, PO Box 14349, E Providence, RI 02914. 800-521-2747.