EP offers a complete range of modular servo gearboxes /worm reducers. The modular design allows for configurations with motor type flange and outcome pinion for rack and pinion drives, and also solid result shafts, Hollow bore productivity, and insight shafts for all other positioning applications. The modular style allows for universal mounting of the gearbox in virtually any orientation.
Servo-Worm Reducers were specifically developed for use with the latest servo motors in applications that demand exact positioning and repeatability.
These reducers are well suited for applications in materials handling, automation, machine tool, and robotics.
The light-weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A wide variety of input flanges and couplings are available to permit easy mounting of almost any servo-motor and tailor made flanges could be accommodated. Result configurations with pinion, hollow bore, or stable shaft are available and can be configured for suggestions with motor flange, no cost input shaft, or both free input shaft and motor flange.
An optimized worm equipment tooth design insures large efficiency while at exactly the same time decreasing backlash. Two degrees of backlash are available, Precise or Extra-exact, with backlash amounts to 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 amounts – 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, designed to fit almost all servo motors found on the market
Designed for the highest torsional stiffness and the lowest angular backlash, intended for the maximum torque and overhung loads
Bush with slot machines and hub clamp for servomotor coupling
Benefits
Enhanced dimensional compactness due to direct servomotor coupling
Widest range of conceivable servomotors coupling dimensions.
The right 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 selection of Servo-Worm Reducers are perfect for use in applications that demand high repeatability, performance and precise positioning. They were particularly developed for employ with state-of-the-art servo motor technology, providing tight integration of the electric motor to the machine. Angular backlash of significantly less than 1 arc-minutes 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 range of electric motor couplings and mounting flanges are available for assembly to virtually all servo motors, and the hollow bore end result can be used to mount output shafts, pinion shafts, or other drive elements.
Standard applications for these reducers include precision rotary axis drives, traveling gantries & columns, material handling axis drives, zero-backlash axis drives and electronic line shafting. Industries served include Material H, ling, Automation, Robotics, Aerospace and Machine Tool.
Gearing: Internal gear design was optimized to provide an angular backlash of less than 1 arc-minutes at assembly, with the option of “in the field” adjustable backlash in the event that necessary.
Bearings: Input angular call bearings for high suggestions speed, and robust outcome tapered-roller bearings for superior radial and axial load ability.
Housing: Aluminium housing for good heat dissipation, with integral type flange for servo motors and general mounting on any deal with.
Output: The result bore is available with a compression-type hub or a good ISO 9409-1 flange (see dimension internet pages). We give you a line of equipment to adapt these outputs to straight shafting, Rack & Pinions, or other gearing types.
This gearbox utilizes a 30:1 ratio worm-get reduction for applications that want extremely slow and smooth rotational motion. The worm-drive design not only minimizes backlash but likewise eliminates back-traveling the gearmotor so a posture can be held even when power is not applied. The precision ground 3/8” stainless steel productivity shaft is backed by dual 3/8” ABEC 5 ball bearings to support a load from any orientation. The ¼” ABS plastic and light weight aluminum structure offers a rigid framework without adding unneeded weight and is conveniently installed to any flat work surface by utilizing the bottom mounting tabs. Our Common Spur Gear motors will work with this gearbox (electric motor marketed separately). The Vertical Shaft Worm-Drive Gearbox is ideal for turn-tables, time-lapse devices and low-quickness applications that want high accuracy and torque.
Motor RPM required = 1 / (moments per rotation desired / 30)
Example: 1 / (10 minutes per rotation / 30) = 3 RPM motor had a need to achieve ten minutes per rotation (at max speed)
now offers an economical right angle gearhead for make use of with small NEMA 23 through 56 and similar small metric servo and stepper motors. These reducers are best suited for basic movement and suggestions speeds of 2000 rpm where profile software costs certainly are a major consideration.
7 sizes with torque capacities up to 684 Nm
12 exact single level ratios from 7:1 to 100:1
2 stage ratios available
Inch or metric output shafts
Hollow output standard, place shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-style hub provides zero-backlash motor shaft connection
Aluminum diecast housing for low weight
Large result bearings accommodate larger radial loads
Inch or metric hollow bore with keyway, single and dual plug-in shafts also available
Double lip end result seals provide maximum protection against contaminants
Face or base installation options, bolt on flanges and torque hands also available
Bronze wheels cast in the result shaft for higher strength
Hardened and ground worm shaft provides smooth operation
Reducer completely sealed for common mounting and long-life lubrication
Two bearing worm support isolates electric motor bearings from radial and axial loads
Flexible coupling factor eliminates electric motor misalignment and bearing wear
Worm Gears are best suited angle drives providing huge rate ratios on comparatively brief center distances from 1/4” to 11”. When properly installed and lubricated they function as the quietist and smoothest working type of gearing. Due to high ratios practical with worm gearing, maximal speed reduction can be accomplished in much less space than many other types of gearing. Worm and worm gears are powered by nonintersecting shafts at 90° angles.
EFFICIENCY of worm equipment drives depends to a large degree on the helix position of the worm. Multiple thread worms and gears with bigger helix angle prove 25% to 50% more efficient than one thread worms. The mesh or engagement of worms with worm gears makes a sliding action creating considerable friction and higher lack of efficiency beyond other types of gearing. The utilization of hardened and surface worm swith bronze worm gears raises efficiency.
LUBRICATION can be an essential factor to boost efficiency found in worm gearing. Worm gear action generates considerable high temperature, decreasing efficiency. The volume of ability transmitted at a given temperature rises as the performance of the gearing rises. Proper lubrication enhances effectiveness by reducing friction and heat.
RATIOS of worm gear sets are determined by dividing the amount of teeth in the apparatus by the number of threads. Thus single threads yield higher ratios than multiple threads. All EP. worm equipment sets can be found with either left or right hands threads. EP. worm equipment sets are offered with Single, Double, Triple and Qua-druple Threads.
Safeness PROVISION: Worm gearing should not be used as a good locking mechanism to carry heavy weights where reversing actions can cause harm or damage. In applications where potential injury is non-existent and self-locking is desired against backward rotation then use of an individual thread worm with a low helix angle immediately locks the worm equipment drive against backward rotation.
MATERIAL recommended for worms is certainly hardened steel and bronze for worm gears. However, depending on the application form unhardened steel worms operate adequately and considerably more economically with cast iron worm gears at 50% horsepower ratings. Furthermore to steel and hardenedsteel, worms can be purchased in bronze, metal, stainless and nylon; worm gears can be found in steel, hardened steel, stainless, aluminium, nylon and nonmetallic (phenolic).
EP also sells equipment tooth measuring equipment called GEAR GAGES! Gear Gages reduce mistakes, save time and money when identifying and ordering gears. These pitch templates are available in nine sets to recognize all the standard pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, External Involute Splines, Metric Module “MOD”, Stub Tooth, Great Pitches, Coarse Pitches and Unusual Pitches. Refer to the section on GEAR GAGES for catalog numbers when ordering.