servo worm reducer

EP offers a complete selection of modular servo gearboxes /worm reducers. The modular style permits configurations with motor source flange and output pinion for rack and pinion drives, and solid outcome shafts, Hollow bore end result, and suggestions shafts for all the positioning applications. The modular design allows for common mounting of the gearbox in virtually any orientation.
Servo-Worm Reducers were specifically developed for work with with the latest servo motors found in applications that demand specific positioning and repeatability.
These reducers are suited to applications in materials handling, automation, equipment tool, and robotics.
The light-weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A wide variety of source flanges and couplings are available to allow easy mounting of nearly any servo-motor and custom made flanges could be accommodated. Outcome configurations with pinion, hollow bore, or solid shaft are available and can be configured for insight with motor flange, no cost suggestions shaft, or both free input shaft and engine flange.
An optimized worm equipment tooth design insures high efficiency while at the same time decreasing backlash. Two degrees of backlash are available, 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 amounts – Precise and Extra-precise.
Modular design appropriate for rack & pinion system
4 input styles
7 output styles
28 possible standard configurations
Features
Wide range of servo gearboxes, made to fit virtually all servo motors on the market
Designed for the best torsional stiffness and the cheapest angular backlash, meant for the maximum torque and overhung loads
Bush with slot machine games and hub clamp for servomotor coupling
Benefits
Enhanced dimensional compactness due to direct servomotor coupling
Widest range of possible servomotors coupling dimensions.
The correct technical solution because of 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 precise positioning, performance and repeatability. They were specifically developed for use with state-of-the-art servo electric motor technology, providing limited integration of the motor to the unit. Angular backlash of significantly less than 1 arc-a few minutes is provided standard.
They can be purchased in four sizes (50 mm to 100 mm center length) with input boosts to 5,000 rpm, reduction ratios from 4.75 to 52:1 and output torque capacities up to 885 lb.ft. A wide selection of motor couplings and mounting flanges are available for assembly to nearly all servo motors, and the hollow bore productivity can be used to mount output shafts, pinion shafts, or other drive elements.
Normal applications for these reducers include precision rotary axis drives, traveling gantries & columns, material handling axis drives, zero-backlash axis drives and digital line shafting. Industries offered include Material H, ling, Machine Instrument, Automation, Aerospace and Robotics.
Gearing: Internal gear style was optimized to provide an angular backlash of significantly less than 1 arc-minutes in assembly, with the choice of “in the field” adjustable backlash if necessary.
Bearings: Input angular contact bearings for high input speed, and robust outcome tapered-roller bearings for superior radial and axial load potential.
Housing: Light weight aluminum housing for good heat dissipation, with integral suggestions flange for servo motors and universal mounting on any face.
Output: The end result bore is available with a good compression-type hub or a ISO 9409-1 flange (see dimension webpages). We offer a line of gadgets to adapt these outputs to direct shafting, Rack & Pinions, or other gearing types.
This gearbox utilizes a 30:1 ratio worm-get reduction for applications that require extremely slow and smooth rotational motion. The worm-drive design not merely minimizes backlash but also eliminates back-generating the gearmotor so a position can be kept even when power is not applied. The precision ground 3/8” stainless steel output shaft is backed by dual 3/8” ABEC 5 ball bearings to support lots from any orientation. The ¼” ABS plastic and aluminium structure offers a rigid framework without adding needless weight and is quickly attached to any flat surface by utilizing the base mounting tabs. Our Typical Spur Gear motors will continue to work with this gearbox (electric motor offered separately). The Vertical Shaft Worm-Drive Gearbox is perfect for turn-tables, time-lapse devices and low-swiftness applications that require high accuracy and torque.
Motor RPM required = 1 / (a few minutes per rotation desired / 30)
Example: 1 / (ten minutes per rotation / 30) = 3 RPM motor had a need to achieve 10 minutes per rotation (in max speed)
now provides an economical right position gearhead for employ with small NEMA 23 through 56 and similar small metric servo and stepper motors. These reducers are most appropriate for basic action and input speeds of 2000 rpm where profile application costs 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 outcome shafts
Hollow output standard, place shafts optional
2D and 3D drawings obtainable 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 larger radial loads
Inch or perhaps metric hollow bore with keyway, one and dual plug-found in shafts also available
Double lip outcome seals provide maximal protection against contaminants
Face or base mounting choices, bolt on flanges and torque arms also available
Bronze wheels cast on the outcome shaft for higher strength
Hardened and surface 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 aspect eliminates motor misalignment and bearing wear
Worm Gears are ideal angle drives providing significant rate ratios on comparatively brief center distances from 1/4” to 11”. When correctly attached and lubricated they function as quietist and smoothest jogging type of gearing. As a result of high ratios practical with worm gearing, maximal speed reduction could be accomplished in 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 angle of the worm. Multiple thread worms and gears with bigger helix angle prove 25% to 50% more efficient than sole thread worms. The mesh or engagement of worms with worm gears makes a sliding action causing considerable friction and higher loss of efficiency beyond other styles of gearing. The usage of hardened and floor worm swith bronze worm gears boosts efficiency.
LUBRICATION can be an essential factor to improve efficiency found in worm gearing. Worm equipment action generates considerable heating, decreasing efficiency. The number of electricity transmitted at confirmed temperature boosts as the productivity of the gearing boosts. Proper lubrication enhances proficiency by minimizing friction and heat.
RATIOS of worm gear sets are determined by dividing the quantity of teeth in the apparatus by the amount of threads. Thus sole threads yield larger ratios than multiple threads. All EP. worm equipment sets are available with either still left or right palm threads. EP. worm gear sets are offered with Triple, Sole, Double and Qua-druple Threads.
Security PROVISION: Worm gearing should not be used as a locking mechanism to carry major weights where reversing action can cause harm or damage. In applications where potential injury is non-existent and self-locking is desired against backward rotation after that use of an individual thread worm with a low helix angle instantly locks the worm equipment travel against backward rotation.
MATERIAL recommended for worms is going to be 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. Furthermore to metal and hardenedsteel, worms are available in bronze, aluminum, stainless and nylon; worm gears are available in steel, hardened metal, stainless, light weight aluminum, nylon and non-metallic (phenolic).
EP also sells gear tooth measuring equipment called Equipment GAGES! Gear Gages decrease mistakes, save money and time when identifying and buying gears. These pitch templates can be purchased in nine sets to identify all the standard pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, Exterior Involute Splines, Metric Module “MOD”, Stub Tooth, Excellent Pitches, Coarse Pitches and Unusual Pitches. Refer to the section on Equipment GAGES for catalog numbers when ordering.

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