Harmonic Drive, LLC
Peabody, MA 01960
Jan 11, 2005 Quantum Series size 17 gearhead has outer diameter of 79 mm and overall length of 45 mm. It maintains zero-backlash, 1 arc-min positional accuracy, and ±5 arc-sec repeatability. Available in gear ratios of 50, 80, 100, and 120:1, gearhead has rated torque of 274 lb-in. and max torque of 991 lb-in.

Atlanta Drive Systems
Wall Township, NJ 07719
Dec 21, 2004 Eliminating need for additional machining and alignment, Integrated Racks can be assembled to rail off of machine frame. By mounting rack and rail together, need for separate mounting surface for rail is eliminated. Drives are suited for applications such as axis drives requiring precise positioning and repeatability, traveling gantries and columns, pick and place robots, and material handling systems.

Nord Gear Corp.
Waunakee, WI 53597
Jul 29, 2003 SK 92072 drives offer leak-free and maintenance-free operation for heavy-duty industrial applications. Construction elements include UNICASE™ one-piece housing, wear-free gearing designed to AGMA CLASS 13 standards, impact-resistant protective finish, and synthetic lubricating oil. Operating at up to 97% efficiency, products provide gear ratios from 3.85:1 to 54.65:1, output speeds from 32–455 rpm, and max output torque of 797 lb-in.

Harmonic Drive, LLC
Peabody, MA 01960
Jan 17, 2003 Quantum Series harmonic-drive gearing component offers 1 arc-min positional accuracy and ±5 arc-sec repeatability. Size 14 gearing component has outer diameter of 50 mm and measures 28 mm long. With rated torque of 89 lb-in., and maximum torque of 620 lb-in., it is available in gear ratios of 50, 80, and 100:1.

Zero-Max, Inc.
Plymouth, MN 55441 5509
Dec 05, 2002 Zero-Max Crown gear drives provide directional motion change in power transmission systems. Sealed from contaminants, products offer class 10, hardened spiral drive bevel gears permanently mounted to shafts with locking pins. Equipped with non-magnetic, stainless steel shafts, right angle drives are available in 2- and 3-way models with 1:1 and 2:1 speed ratios. Internal gears stay permanently aligned, lubricated, and free of outside dirt and debris.

Harmonic Drive, LLC
Peabody, MA 01960
Nov 29, 2002 Series CSD Size 32 flat, harmonic, gear drive is 22 mm long with 110 mm OD. It is offered in gear ratios of 50, 100, and 160:1. Drive features rated torque of 850 lb-in. and maximum torque of 3175 lb-in. It uses S tooth profile and provides ±5 arc-sec repeatability. Unit is suitable for robotics, factory automation, and aerospace applications.

Falk RENEW
New Berlin, WI 53151
Nov 08, 2002 Kits are supplied for company's gear drive lines, providing convenient way to order and stock plant spares. Spare part kits include Rebuild Kits and Rotating Element Kits. Rebuild Kits consist of all bearings, seals, and shim/gaskets needed to rebuild company's gear drives, providing suggested minimum spare back ups. Rotating Element Kits include all gear drive shaft assemblies.

Wittenstein, Inc. (formerly Alpha Gear Drives, Inc.)
Bartlett, IL 60103
Sep 24, 2002 Rack and Pinion System includes gear reducer or gearmotor with integrated pinion and rack. All mounting surfaces are ground to tight tolerances. Standard rack lengths are 167 to 500 mm. High linear accuracy is due to minimum total pitch error of 12 µm per 500 mm of length. Load capacities up to 13,000 N are available. Wear-resistant surface treatment and individually deburred gear teeth provide reliability.

Wittenstein, Inc. (formerly Alpha Gear Drives, Inc.)
Bartlett, IL 60103
Jul 18, 2002 LPB integrated geared pulley drive system is available in sizes from 70 to 120 mm with ratios of 1:1, 3:1, 5:1, and 10:1. Gearbox has flange output, allowing it to be nested inside pulley, eliminating need for right angle gearbox, couplings and/or additional bearings. LPB design increases radial load capacity associated with belt and pulley applications, greatly increasing output bearing life.

CyberCylinders.com, Inc.
Bradenton, FL 34203
Jun 27, 2002 Rated at 90% efficient, Add-A-Shaft® parallel gear drives are offered in 1:1, 3:2, and 2:1 ratios with 2 1/4 and 2 1/2 in. shaft centers. Add-A-Shaft® Mini parallel gear drives are 1:1 ratio devices with 1 in. shaft centers. Drives are suitable for packaging, printing, material handling, and assembly machinery, and can be attached or stacked to right-angle gear drives to permit 90 degree turning.

SDP/SI (Stock Drive Products/Sterling Inst)
New Hyde Park, NY 11042 5416
Jun 20, 2002 With rated speeds to 1800 rpm, right angle helical gear drives feature O-ring sealed gear cases, right- or left-hand rotation, and sealed ball bearings. Series S991MY and S991HY are available in ratios of 1:1, 3:2, and 2:1. Designed around 45 deg helical cut gears, they are available with 1/2 to 3/4 in. dia hollow bores. Heavy-duty sealed ball bearing units feature hard anodized aluminum alloy cases, 1045 heat treated helical gears, and 1144 hollow bore steel shafts.

Wittenstein, Inc. (formerly Alpha Gear Drives, Inc.)
Bartlett, IL 60103
Apr 09, 2002 V-Drive series right angle gearheads for servo motor applications are available in 4 frame sizes with continuous output torque ratings of 39 to 1072 Nm, ratios from 4:1 to 40:1, and 6 different output styles. Outputs include flange mount output, hollow shaft smooth, hollow shaft keyed, shaft mount smooth, shaft mount keyed, and spline shaft option for rack and pinion applications. Drive comes with machined mounting surfaces on all sides of gearhead.

Harmonic Drive Technologies - Teijin Seiki Boston Inc.
Peabody, MA 01960
Apr 03, 2002 Lightweight PSA-G harmonic drive gearheads provide zero-backlash speed reduction for accurate angular positioning. Input-to-output gear ratios from 50:1 to 100:1 are available. They handle high axial and overhung loads, making them suitable for automation applications such as robotics and handling small components in assembly process. Maximum radial shaft loading is up to 115 lb. Gearheads are compact, measuring as little as 1.3 in. dia and 2 in. body length.

Drive-All Mfg. Co.
Harbor Beach, MI 48441
Dec 05, 2001 DAW Series multi-speed transmissions will shift on-the-fly under full load. Model DAW is rated at up to 50 input HP at 1800 RPM and comes in 4 basic configurations. DAW-S is single input with single output shaft; DAW-SD is single input with dual output shafts that may be solid or split; DAW-DS is single input with dual output shafts and output shafts are coaxial shaft-over-shaft; DAW-SI is single input with single output that is parallel-offset.

Harmonic Drive, LLC
Peabody, MA 01960
Nov 17, 2001 Ultra-flat CSD series harmonic drive gearing component sets use S-shaped tooth profile and are 50% shorter than previous CSF series, allowing surrounding enclosure to be made very compact. It has rated torque of 248 in-lb, maximum torque of 673 in-lb, and is available in gear ratios of 50, 100 and 160:1. Applications include robotics, aerospace, and factory automation.