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servo worm reducer

EP offers a complete range of modular servo gearboxes /worm reducers. The modular style permits configurations with motor source flange and outcome pinion for rack and pinion drives, and also solid outcome shafts, Hollow bore result, and input shafts for all the positioning applications. The modular design and style allows for universal mounting of the gearbox in virtually any orientation.
Servo-Worm Reducers were especially developed for use with the latest servo motors found in applications that demand specific positioning and repeatability.
These reducers are suited to applications in material handling, automation, equipment tool, and robotics.
The light weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A multitude of suggestions flanges and couplings can be found to permit easy mounting of practically any servo-motor and custom flanges could be accommodated. Productivity configurations with pinion, hollow bore, or stable shaft are available and can be configured for input with motor flange, free of charge source shaft, or both free of charge input shaft and engine flange.
An optimized worm gear tooth design insures great efficiency while at exactly the same time decreasing backlash. Two levels of backlash are available, Precise or Extra-exact, with backlash amounts to significantly less than 3 arc minutes.
Obtainable in 6 sizes
Ratios from 2 to 60:1
Torque Capability 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
Wide variety of servo gearboxes, made to fit almost all servo motors found on the market
Designed for the highest torsional stiffness and the lowest angular backlash, for the maximum 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 practical servomotors coupling dimensions.
The right technical solution because of 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 performance, precise positioning and repeatability. They were particularly developed for work with with state-of-the-art servo electric motor technology, providing limited integration of the motor to the unit. Angular backlash of less than 1 arc-minutes is provided standard.
They are available in four sizes (50 mm to 100 mm center range) 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 broad range of motor couplings and mounting flanges are for sale to assembly to almost all servo motors, and the hollow bore result works extremely well 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 electronic line shafting. Industries dished up include Material H, ling, Automation, Robotics, Aerospace and Machine Tool.
Gearing: Internal gear design was optimized to supply an angular backlash of significantly less than 1 arc-minutes in assembly, with the choice 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 end result tapered-roller bearings for high radial and axial load capacity.
Housing: Light weight aluminum housing once and for all heat dissipation, with integral input flange for servo motors and common mounting on any encounter.
Output: The end result bore is available with a compression-type hub or a good ISO 9409-1 flange (see dimension pages). We offer a line of gadgets to adapt these outputs to right 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 only minimizes backlash but as well eliminates back-traveling the gearmotor so a position can be kept even when power is not applied. The precision ground 3/8” stainless steel end result shaft is reinforced 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 very easily attached to any flat surface by utilizing the bottom mounting tabs. Our Common Spur Gear motors will continue to work with this gearbox (engine purchased separately). The Vertical Shaft Worm-Drive Gearbox is exquisite for turn-tables, time-lapse devices and low-quickness applications that want high precision and torque.
Motor RPM required = 1 / (moments per rotation desired / 30)
Example: 1 / (ten 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 work with with small NEMA 23 through 56 and similar compact metric servo and stepper motors. These reducers will be best suited for basic motion and insight speeds of 2000 rpm where profile application 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 end result shafts
Hollow output standard, place shafts optional
2D and 3D drawings obtainable online
Flexible servo motor interface
Clamp-style hub provides zero-backlash engine shaft connection
Aluminum diecast casing for low weight
Large productivity bearings accommodate larger radial loads
Inch or metric hollow bore with keyway, sole and dual plug-found in shafts also available
Double lip end result seals provide optimum protection against contaminants
Face or base installation choices, bolt on flanges and torque arms also available
Bronze wheels cast on the outcome shaft for higher strength
Hardened and floor worm shaft provides even operation
Reducer completely sealed for common mounting and long-life lubrication
Two bearing worm support isolates engine bearings from radial and axial loads
Flexible coupling aspect eliminates electric motor misalignment and bearing wear
Worm Gears are best angle drives providing huge rate ratios on comparatively short center distances from 1/4” to 11”. When effectively mounted and lubricated they function as the quietist and smoothest jogging type of gearing. Because of the high ratios practical with worm gearing, maximum speed reduction could be accomplished in fewer space than a great many other types of gearing. Worm and worm gears are powered by non-intersecting shafts at 90° angles.
EFFICIENCY of worm equipment drives depends to a sizable extent on the helix position of the worm. Multiple thread worms and gears with higher helix angle prove 25% to 50% more efficient than single thread worms. The mesh or engagement of worms with worm gears generates a sliding action creating considerable friction and better loss 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 improve efficiency found in worm gearing. Worm gear action generates considerable warmth, decreasing efficiency. The number of electric power transmitted at confirmed temperature rises as the proficiency of the gearing rises. 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 number of threads. Thus sole threads yield bigger ratios than multiple threads. All EP. worm equipment sets can be found with either left or right side threads. EP. worm gear sets are offered with Qua, Triple, Solo and Double-druple Threads.
Basic safety PROVISION: Worm gearing shouldn’t be used as a locking mechanism to carry major weights where reversing actions can cause harm or injury. In applications where potential damage is nonexistent and self-locking is preferred against backward rotation after that use of a single thread worm with a minimal helix angle immediately locks the worm gear travel against backward rotation.
MATERIAL recommended for worms is certainly 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 steel and hardenedsteel, worms can be purchased in nylon, stainless, light weight aluminum and bronze; worm gears can be purchased in steel, hardened metal, stainless, aluminium, nylon and non-metallic (phenolic).
EP also sells gear tooth measuring gadgets called GEAR GAGES! Gear Gages reduce mistakes, save time and money when identifying and purchasing gears. These pitch templates can be purchased in nine sets to identify all the typical pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, Exterior Involute Splines, Metric Module “MOD”, Stub Tooth, Good Pitches, Coarse Pitches and Uncommon Pitches. Make reference to the section on GEAR GAGES for catalog quantities when ordering.



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