servo worm reducer

EP offers a full range of modular servo gearboxes /worm reducers. The modular style allows for configurations with motor type flange and result pinion for rack and pinion drives, in addition to solid output shafts, Hollow bore end result, and source shafts for all the positioning applications. The modular design allows for general mounting of the gearbox in any orientation.
Servo-Worm Reducers were especially developed for use with the latest servo motors in applications that demand precise positioning and repeatability.
These reducers are suited to applications in materials handling, automation, machine tool, and robotics.
The light weight modular aluminum housing design allows for easy machine integration, and excellent heat dissipation. A multitude of type 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 sturdy shaft are available and will be configured for source with motor flange, no cost type shaft, or both no cost input shaft and engine flange.
An optimized worm equipment tooth design insures huge efficiency while at the same time decreasing backlash. Two degrees of backlash can be found, Precise or Extra-precise, 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
Wide variety of servo gearboxes, made to fit almost all servo motors on the market
Designed for the best torsional stiffness and the lowest angular backlash, intended for the utmost torque and overhung loads
Bush with slot machine games and hub clamp for servomotor coupling
Enhanced dimensional compactness because of direct servomotor coupling
Widest range of conceivable servomotors coupling dimensions.
The correct technical solution thanks to a comprehensive selection 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 perfect for use in applications that demand high precise positioning, repeatability and performance. They were especially developed for use with state-of-the-art servo electric motor technology, providing restricted integration of the electric motor to the unit. Angular backlash of less than 1 arc-moments is provided standard.
They are available in four sizes (50 mm to 100 mm center range) 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.
Typical 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, Aerospace, Automation, Robotics and Machine Tool.
Gearing: Internal gear style was optimized to provide an angular backlash of less than 1 arc-minutes at assembly, with the option of “in the field” adjustable backlash if necessary.
Bearings: Input angular get in touch with bearings for high suggestions speed, and robust result tapered-roller bearings for high radial and axial load potential.
Housing: Aluminium housing for good heat dissipation, with essential source 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 add-ons to adapt these outputs to right shafting, Rack & Pinions, or other gearing types.
This gearbox utilizes a 30:1 ratio worm-travel reduction for applications that want extremely slow and smooth rotational motion. The worm-drive design not only minimizes backlash but as well eliminates back-generating the gearmotor so a posture can be placed even when power is not applied. The precision ground 3/8” stainless steel outcome shaft is reinforced by dual 3/8” ABEC 5 ball bearings to aid a load from any orientation. The ¼” ABS plastic and metal structure offers a rigid framework without adding pointless weight and is easily installed to any flat work surface by utilizing the bottom mounting tabs. Our Normal Spur Gear motors will work with this gearbox (engine marketed separately). The Vertical Shaft Worm-Drive Gearbox is ideal for turn-tables, time-lapse devices and low-velocity applications that require high precision and torque.
Motor RPM required = 1 / (a few minutes per rotation desired / 30)
Example: 1 / (10 minutes per rotation / 30) = 3 RPM motor needed to achieve 10 minutes per rotation (at max speed)
now offers an economical right angle gearhead for work with 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 request 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 outcome shafts
Hollow output standard, put in shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-design hub provides zero-backlash motor shaft connection
Aluminum diecast housing for low weight
Large end result bearings accommodate bigger radial loads
Inch or perhaps metric hollow bore with keyway, one and dual plug-in shafts also available
Double lip end result seals provide maximum protection against contaminants
Face or base mounting alternatives, bolt on flanges and torque arms also available
Bronze wheels cast about the result shaft for higher strength
Hardened and surface worm shaft provides soft operation
Reducer completely sealed for universal 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 suited angle drives providing significant velocity ratios on comparatively brief center distances from 1/4” to 11”. When properly attached and lubricated they function as quietist and smoothest operating type of gearing. Due to the high ratios practical with worm gearing, maximal speed reduction could be accomplished in fewer space than many other types of gearing. Worm and worm gears operate on nonintersecting shafts at 90° angles.
EFFICIENCY of worm equipment drives depends to a sizable level 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 creates a sliding action causing considerable friction and higher loss of efficiency beyond other styles of gearing. The make use 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 high temperature, decreasing efficiency. How much power 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 gear by the number of threads. Thus sole threads yield higher ratios than multiple threads. All EP. worm equipment sets are available with either still left or right hand threads. EP. worm equipment sets can be found with Triple, Double, Qua and Single-druple Threads.
Security PROVISION: Worm gearing shouldn’t be used as a good locking mechanism to hold large weights where reversing action could cause harm or harm. 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 get against backward rotation.
MATERIAL 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, nylon, bronze and aluminum; worm gears are available in steel, hardened metal, stainless, metal, nylon and nonmetallic (phenolic).
EP also sells gear tooth measuring devices called GEAR GAGES! Gear Gages reduce mistakes, save time and money when identifying and purchasing gears. These pitch templates can be found 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. Make reference to the section on GEAR GAGES for catalog amounts when ordering.

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