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servo worm reducer

EP offers a complete selection of modular servo gearboxes /worm reducers. The modular design permits configurations with motor input flange and result pinion for rack and pinion drives, along with solid productivity shafts, Hollow bore output, and source 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 employ with the latest servo motors found in applications that demand specific positioning and repeatability.
These reducers are ideal for 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 wide variety of type flanges and couplings are available to permit easy mounting of almost any servo-motor and custom made flanges could be accommodated. Productivity configurations with pinion, hollow bore, or solid shaft are available and may be configured for insight with motor flange, free of charge input shaft, or both no cost input shaft and engine flange.
An optimized worm equipment tooth design insures high efficiency while at exactly the same time decreasing backlash. Two degrees of backlash can be found, Precise or Extra-exact, with backlash levels to less than 3 arc minutes.
Available in 6 sizes
Ratios from 2 to 60:1
Torque Capability up to 4400 Lb.-Ft. (6000 Nm)
Input Speeds up 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 range of servo gearboxes, made to fit almost all servo motors on the market
Designed for the highest torsional stiffness and the lowest angular backlash, to get 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 practical servomotors coupling dimensions.
The right technical solution thanks to a comprehensive range of sizes, gear stages, transmission ratios, designs and nonstandard designs.
High-Torque (HT) Servo-Worm Reducers
This standard range of Servo-Worm Reducers are ideal for use in applications that demand high precise positioning, repeatability and performance. They were particularly developed for use with state-of-the-art servo engine technology, providing restricted integration of the electric motor to the unit. Angular backlash of significantly less than 1 arc-a few minutes is provided standard.
They are available in four sizes (50 mm to 100 mm center length) 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 broad range of motor couplings and mounting flanges are for sale to assembly to virtually all servo motors, and the hollow bore end result can be utilized to mount outcome shafts, pinion shafts, or other drive elements.
Common applications for these reducers include precision rotary axis drives, traveling gantries & columns, materials handling axis drives, zero-backlash axis drives and digital line shafting. Industries offered include Material H, ling, Machine Device, Aerospace, Robotics and Automation.
Gearing: Internal gear design 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 that necessary.
Bearings: Input angular get in touch with bearings for high suggestions speed, and robust result tapered-roller bearings for superior radial and axial load capability.
Housing: Aluminium housing once and for all heat dissipation, with essential insight flange for servo motors and general mounting on any encounter.
Output: The result bore is available with a good compression-type hub or a good ISO 9409-1 flange (see dimension web pages). We give you a line of add-ons 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 isn’t applied. The precision floor 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 aluminum structure offers a rigid framework without adding pointless weight and is easily mounted to any flat surface by utilizing the bottom mounting tabs. Our Common Spur Gear motors will continue to work with this gearbox (motor offered separately). The Vertical Shaft Worm-Drive Gearbox is exquisite for turn-tables, time-lapse systems and low-quickness applications that require high accuracy 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 (in max speed)
now provides an economical right position gearhead for employ with small NEMA 23 through 56 and similar compact metric servo and stepper motors. These reducers will be most appropriate for basic movement and input speeds of 2000 rpm where profile program 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, put in shafts optional
2D and 3D drawings obtainable online
Flexible servo motor interface
Clamp-style hub provides zero-backlash electric motor shaft connection
Aluminum diecast housing for low weight
Large productivity bearings accommodate bigger radial loads
Inch or perhaps metric hollow bore with keyway, single and dual plug-found in shafts also available
Double lip outcome seals provide maximal protection against contaminants
Face or base mounting alternatives, bolt on flanges and torque hands also available
Bronze wheels cast about the result shaft for higher strength
Hardened and surface worm shaft provides easy 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 component eliminates electric motor misalignment and bearing wear
Worm Gears are ideal angle drives providing huge speed ratios on comparatively brief center distances from 1/4” to 11”. When effectively attached and lubricated they function as the quietist and smoothest jogging type of gearing. Due to the high ratios practical with worm gearing, maximum speed reduction can be accomplished in less space than a great many other types of gearing. Worm and worm gears are powered by nonintersecting shafts at 90° angles.
EFFICIENCY of worm gear drives depends to a big degree on the helix position of the worm. Multiple thread worms and gears with larger 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 causing considerable friction and better loss of efficiency beyond other types of gearing. The make use of hardened and ground worm swith bronze worm gears increases efficiency.
LUBRICATION is an essential factor to improve efficiency found in worm gearing. Worm equipment action generates considerable heating, decreasing efficiency. The number of ability transmitted at confirmed temperature rises as the efficiency of the gearing increases. Proper lubrication enhances proficiency by minimizing friction and heat.
RATIOS of worm equipment sets are dependant on dividing the number of teeth in the apparatus by the amount of threads. Thus solitary threads yield bigger ratios than multiple threads. All EP. worm gear sets are available with either left or right side threads. EP. worm gear sets can be found with Triple, Single, Qua and Double-druple Threads.
Basic safety PROVISION: Worm gearing should not be used as a locking mechanism to carry major weights where reversing action could cause harm or damage. In applications where potential damage is non-existent and self-locking is wanted against backward rotation after that use of an individual thread worm with a low helix angle immediately locks the worm equipment get against backward rotation.
Materials recommended for worms is usually hardened steel and bronze for worm gears. Nevertheless, depending on the application unhardened steel worms operate adequately and even more economically with cast iron worm gears at 50% horsepower ratings. Furthermore to steel and hardenedsteel, worms are available in nylon, aluminium, bronze and stainless; worm gears are available in steel, hardened steel, stainless, metal, nylon and nonmetallic (phenolic).
EP also sells gear tooth measuring equipment called Equipment GAGES! Gear Gages decrease mistakes, save money and time when identifying and purchasing gears. These pitch templates can be purchased in nine sets to identify all the normal pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, External Involute Splines, Metric Module “MOD”, Stub Tooth, Good Pitches, Coarse Pitches and Unusual Pitches. Make reference to the section on GEAR GAGES for catalog quantities when ordering.

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