An expanded line of Modulel, 2, 2.5, and 3 molded-plastic gears from Quality Transmission Components offer designers the best of both worlds: The economy of plastic, plus the positive fastening characteristics of metal-to-metal contact. In addition, these lightweight gears feature lower inertia, greater torsional strength and higher strength-to-weight ratio than do equivalent all-metal gears. Developed for a wide variety of instrumentation applications, especially where the starting torque of a drive is too high for conventional all-plastic gears, these gears combine steel or stainless steel hubs with MC901 plastic gears. This construction leads to a lightweight, durable and economical design.

Click here for additional information and specifications on our Metal Reinforced Plastic Gears

http://www.qtcgears.com/RFQ/default.asp?Page=../KHK/newgears/KHK098.html

The gears, identified as the NSU and PU1 Series are designed to fit shafts ranging in diameter from 8 to 20 mm. These 20° Pressure Angle gears are stocked for worldwide overnight delivery in sizes ranging from 18 to 90 teeth. Face widths range from 10 to 30 mm.

Click here to download or request our FREE Q460 catalog.

http://www.econobelt.com/Q460/Q460cat.htm

There are over 9,000 off-the-shelf timing belt pulleys, belts, belt and roller chain tensioners and other power transmission components to our offering. These products designed for use in prototypes or for production applications are featured in our companion catalog Q460.

The 368 page catalog features Econobelt brand timing belts and pulleys in 11 different profiles: MXL, XL, L, HTD3, HTD5, HTD8, T2.5, T5, T10, AT5 and AT10. The belts are made of fiberglass-reinforced neoprene and the pulleys are made of steel, aluminum and nylon.

To request your free Q420 Catalog, click here.

http://www.qtcgears.com/RFQ/

In addition to the over 3,700 metric gears detailed, this 528-page catalog contains a comprehensive technical reference section entitled "Elements of Gear Technology". The topics covered include the principles of involute gearing, gear dimension calculations, the definition of backlash, plastic gear design, elements of gear accuracy, principles of surface contact, methods of lubrication and methods for noise reduction.

The product section includes detailed specifications of the complete offering of off-the-shelf Spur gears, Helical gears, Screw gears, Ratchets & Pawls, Gear couplings, Worms & Worm Wheels (Standard & Duplex), Ring gears (Internal & External), Involute splines (Internal & External) , Racks (Straight, Helical & Flexible), Miter gears (Straight & Spiral) and Bevel gears (Straight & Spiral). These 3,700+ products are offered in sizes from module 0.5 thru module 10, in materials that include alloy steel, carbon steel, stainless steel, cast iron, aluminum bronze, brass, cast bronze, nylon, and acetal.