Molded Chain Drives feature unit-link construction.July 18, 2005 -
Made of pre-lubricated, non-magnetic black acetal, A 6M 7M12 series ultra miniature inch and metric 3.117 mm pitch molded chain drives operate from -40 to +121°C and do not require master link. Each unit-link measures 2.08 mm high x 4.12 mm wide. Length of 321 links snapped together equals 1 m, and 5 m length of chain weighs 0.031 kg. Offered in 14 sizes from 8-48 teeth, A 6M 7M12 sprockets are available with 3 bore sizes for press fitting to 3, 4, and 6 mm shafts.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
SDP/SI (Stock Drive Products/Sterling Inst)
2101 Jericho Tpk., P.O. Box 5416
New Hyde Park, NY, 11042 5416
USA
New Ultra-Miniature 3.117mm Pitch Molded Chain Drives from SDP Feature Unit Link Construction
New Hyde Park, New York - A new series of ultra miniature inch and metric 3.117mm pitch molded chain drives from Stock Drive Products are designed for use where limited space and weight factors are important: such as servo drives to stylus or pen carriages in recorders and X-Y plotters, chart roll drives and counter drives. They are used in communication equipment, business machines, cameras and other electronic or electro-mechanical devices.
Made of pre-lubricated, non-magnetic black acetal, these drives, identified as the A 6M 7M12 series, are designed to operate over a wide range of temperatures from -40°C to +121°C. The chain features a unit-link design that eliminates the need for a master link. Each unit-link measures 2.08mm high and 4.12mm wide. A length of 321 links snapped together will equal 1 meter and a length of 5 meters of chain weighs only 0.031kg. Chain operating speeds of up to 5.1 meters per second, around smaller 8-tooth sprockets, and maximum operating loads of up to 0.9 Kg. of tension are recommended.
The A 6M 7M12 sprockets are stocked in 14 sizes from 8 through 48 teeth. Three bore sizes are stocked for press fitting the sprockets to 3, 4, and 6mm shafts. Sprockets that have 24 or more teeth are molded with a spoked configuration. Outer diameters range from 9.4mm (.371") to 49.3mm (1.939") and pitch diameters from 8.1mm (.318") to 47.4mm (1.865"). The A 6M 7M12 series is available for immediate delivery from SDP stock. Additional technical specifications are contained in Catalog 785, available free upon request, from Stock Drive Products, 2101 Jericho Turnpike, Box 5416, New Hyde Park, New York 11042-5416. Phone: 516-328-3300 o Fax: 516-326-8827.
Web: http://sdp-si.com/Press/New/RollerChains16_3.htm
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