EP offers a complete range of modular servo gearboxes /worm reducers. The modular style allows for configurations with motor type flange and output pinion for rack and pinion drives, along with solid productivity shafts, Hollow bore end result, and type shafts for all the positioning applications. The modular design and style allows for common mounting of the gearbox in any orientation.
Servo-Worm Reducers were especially developed for work with with the latest servo motors found in applications that demand precise positioning and repeatability.
These reducers are suited to applications in materials handling, automation, equipment tool, and robotics.
The light-weight modular aluminum housing design allows for easy machine integration, and excellent heat dissipation. A multitude of suggestions flanges and couplings are available to allow easy mounting of practically any servo-motor and tailor made flanges can be accommodated. End result configurations with pinion, hollow bore, or solid shaft are available and will be configured for type with motor flange, no cost type shaft, or both no cost input shaft and engine flange.
An optimized worm equipment tooth design insures great efficiency while at the same time decreasing backlash. Two degrees of backlash can be found, Precise or Extra-specific, with backlash amounts to significantly less than 3 arc minutes.
Obtainable in 6 sizes
Ratios from 2 to 60:1
Torque Capacity up to 4400 Lb.-Ft. (6000 Nm)
Input Boosts to 6000 RPM
Two backlash levels – Precise and Extra-precise.
Modular design compatible with rack & pinion system
4 input styles
7 output styles
28 possible standard configurations
Features
Wide variety of servo gearboxes, made to fit almost all servo motors on the market
Designed for the best torsional stiffness and the cheapest angular backlash, for the utmost torque and overhung loads
Bush with slot machine games and hub clamp for servomotor coupling
Benefits
Enhanced dimensional compactness because of direct servomotor coupling
Widest range of likely servomotors coupling dimensions.
The correct technical solution thanks to a comprehensive range of sizes, gear stages, transmission ratios, designs and non-standard designs.
High-Torque (HT) Servo-Worm Reducers
This standard range of Servo-Worm Reducers are simply perfect for use in applications that demand high precise positioning, performance and repeatability. They were especially developed for use with state-of-the-art servo electric motor technology, providing restricted integration of the engine to the machine. Angular backlash of significantly less than 1 arc-moments is provided standard.
They are available in four sizes (50 mm to 100 mm center distance) with input speeds up to 5,000 rpm, reduction ratios from 4.75 to 52:1 and output torque capacities up to 885 lb.ft. A wide variety of engine couplings and mounting flanges are for sale to assembly to nearly all servo motors, and the hollow bore result can be utilized to mount end result shafts, pinion shafts, or other drive elements.
Usual applications for these reducers include precision rotary axis drives, traveling gantries & columns, materials handling axis drives, zero-backlash axis drives and electronic line shafting. Industries offered include Material H, ling, Automation, Robotics, Machine Software and Aerospace.
Gearing: Internal gear style was optimized to provide an angular backlash of less than 1 arc-minutes in assembly, with the option of “in the field” adjustable backlash in the event necessary.
Bearings: Input angular contact bearings for high suggestions speed, and robust output tapered-roller bearings for high radial and axial load potential.
Housing: Aluminium housing for good heat dissipation, with essential type flange for servo motors and universal mounting on any deal with.
Output: The output bore is available with a good compression-type hub or a good ISO 9409-1 flange (see dimension webpages). We offer a line of accessories to adjust these outputs to straight shafting, Rack & Pinions, or other gearing types.
This gearbox utilizes a 30:1 ratio worm-drive reduction for applications that want extremely slow and smooth rotational motion. The worm-drive design not only minimizes backlash but likewise eliminates back-generating the gearmotor so a posture can be placed even when power isn’t applied. The precision ground 3/8” stainless steel end result shaft is backed by dual 3/8” ABEC 5 ball bearings to aid lots from any orientation. The ¼” ABS plastic and metal structure provides a rigid framework without adding pointless weight and is easily installed to any flat work surface by utilizing the bottom mounting tabs. Our Common Spur Gear motors will work with this gearbox (engine offered separately). The Vertical Shaft Worm-Drive Gearbox is ideal for turn-tables, time-lapse systems and low-speed applications that require high precision and torque.
Motor RPM required = 1 / (mins per rotation desired / 30)
Example: 1 / (ten minutes per rotation / 30) = 3 RPM motor had a need to achieve 10 minutes per rotation (at max speed)
now offers an economical right angle gearhead for employ with small NEMA 23 through 56 and similar small metric servo and stepper motors. These reducers happen to be best suited for basic motion and insight speeds of 2000 rpm where profile program costs are a major consideration.
7 sizes with torque capacities up to 684 Nm
12 exact single stage ratios from 7:1 to 100:1
2 stage ratios available
Inch or metric end result shafts
Hollow output standard, put in shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-style hub provides zero-backlash motor shaft connection
Aluminum diecast casing for low weight
Large end result bearings accommodate bigger radial loads
Inch or perhaps metric hollow bore with keyway, solitary and dual plug-in shafts also available
Double lip result seals provide maximum protection against contaminants
Face or base mounting choices, bolt on flanges and torque arms also available
Bronze wheels cast about the result shaft for higher strength
Hardened and floor worm shaft provides soft operation
Reducer completely sealed for general mounting and long-life lubrication
Two bearing worm support isolates engine bearings from radial and axial loads
Flexible coupling factor eliminates electric motor misalignment and bearing wear
Worm Gears are best angle drives providing significant velocity ratios on comparatively short center distances from 1/4” to 11”. When effectively attached and lubricated they function as quietist and smoothest operating type of gearing. Because of the high ratios conceivable with worm gearing, maximal speed reduction can be accomplished in fewer space than a great many other types of gearing. Worm and worm gears operate on nonintersecting shafts at 90° angles.
EFFICIENCY of worm gear drives depends to a huge level on the helix position of the worm. Multiple thread worms and gears with bigger helix angle prove 25% to 50% more efficient than solitary thread worms. The mesh or engagement of worms with worm gears generates a sliding action causing considerable friction and higher loss of efficiency beyond other styles of gearing. The usage of hardened and surface worm swith bronze worm gears boosts efficiency.
LUBRICATION is an essential factor to improve efficiency in worm gearing. Worm equipment action generates considerable temperature, decreasing efficiency. The number of vitality transmitted at confirmed temperature boosts as the proficiency of the gearing rises. Proper lubrication enhances performance by lowering friction and heat.
RATIOS of worm gear sets are determined by dividing the quantity of teeth in the apparatus by the number of threads. Thus sole threads yield higher ratios than multiple threads. All EP. worm equipment sets are available with either left or right side threads. EP. worm gear sets can be found with Double, Qua, Triple and Single-druple Threads.
SAFETY PROVISION: Worm gearing shouldn’t be used as a good locking mechanism to hold large weights where reversing action could cause harm or personal injury. In applications where potential injury is nonexistent and self-locking is wanted against backward rotation after that use of an individual thread worm with a minimal helix angle automatically locks the worm equipment travel against backward rotation.
Materials recommended for worms is normally hardened steel and bronze for worm gears. Even so, depending on the application form unhardened steel worms operate adequately and considerably more economically with cast iron worm gears at 50% horsepower ratings. In addition to steel and hardenedsteel, worms can be purchased in stainless, aluminum, nylon and bronze; worm gears are available in steel, hardened metal, stainless, lightweight aluminum, nylon and nonmetallic (phenolic).
EP also sells equipment tooth measuring units called GEAR GAGES! Gear Gages reduce mistakes, save time and money when identifying and purchasing gears. These pitch templates are available in nine sets to recognize all the typical pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, Exterior Involute Splines, Metric Module “MOD”, Stub Tooth, Good Pitches, Coarse Pitches and Unusual Pitches. Refer to the section on Equipment GAGES for catalog amounts when ordering.

Sight our on-line Servo Worm Reducer gallery.