servo worm reducer

EP offers a full range of modular servo gearboxes /worm reducers. The modular design allows for configurations with motor insight flange and output pinion for rack and pinion drives, together with solid output shafts, Hollow bore outcome, and insight shafts for all the positioning applications. The modular design allows for universal mounting of the gearbox in any orientation.
Servo-Worm Reducers were specifically developed for employ with the latest servo motors found in applications that demand exact positioning and repeatability.
These reducers are ideal for applications in material handling, automation, equipment 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 nearly any servo-motor and tailor made flanges can be accommodated. Productivity configurations with pinion, hollow bore, or solid shaft are available and may be configured for source with motor flange, free input shaft, or both free input shaft and engine flange.
An optimized worm gear tooth design insures substantial efficiency while at the same time decreasing backlash. Two degrees of backlash can be found, Precise or Extra-specific, with backlash levels to significantly less than 3 arc minutes.
Obtainable in 6 sizes
Ratios from 2 to 60:1
Torque Potential up to 4400 Lb.-Ft. (6000 Nm)
Input Speeds up 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
Features
Wide variety of servo gearboxes, made to fit almost all servo motors found on the market
Designed for the highest torsional stiffness and the cheapest angular backlash, 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 right technical solution thanks to a comprehensive selection of sizes, gear stages, transmission ratios, designs and nonstandard designs.
High-Torque (HT) Servo-Worm Reducers
This standard selection of Servo-Worm Reducers are exquisite for use in applications that demand high precise positioning, performance and repeatability. They were specifically developed for make use of with state-of-the-art servo motor technology, providing tight integration of the motor to the machine. Angular backlash of significantly less than 1 arc-mins is provided standard.
They can be purchased 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 wide range of electric motor couplings and mounting flanges are available for assembly to almost all servo motors, and the hollow bore productivity can be utilized to mount end result shafts, pinion shafts, or other drive elements.
Usual 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 dished up include Material H, ling, Machine Application, Aerospace, Robotics and Automation.
Gearing: Internal gear design was optimized to supply an angular backlash of less than 1 arc-minutes in assembly, with the option of “in the discipline” adjustable backlash in the event that necessary.
Bearings: Input angular contact bearings for high input speed, and robust outcome tapered-roller bearings for high radial and axial load capacity.
Housing: Light weight aluminum housing for good heat dissipation, with essential source flange for servo motors and general mounting on any deal with.
Output: The output bore is available with a compression-type hub or a good ISO 9409-1 flange (see dimension web pages). We provide a line of equipment to adjust these outputs to direct 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 merely minimizes backlash but also eliminates back-traveling the gearmotor so a position can be held even when power isn’t applied. The precision surface 3/8” stainless steel result shaft is reinforced by dual 3/8” ABEC 5 ball bearings to aid a load from any orientation. The ¼” ABS plastic and aluminum structure offers a rigid framework without adding unnecessary weight and is quickly installed to any flat surface by utilizing the base mounting tabs. Our Common Spur Gear motors will continue to work with this gearbox (engine purchased separately). The Vertical Shaft Worm-Drive Gearbox is ideal for turn-tables, time-lapse devices and low-velocity applications that want 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 had a need to achieve 10 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 little metric servo and stepper motors. These reducers happen to be most appropriate for basic motion and insight 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 result shafts
Hollow output standard, place shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-style hub provides zero-backlash engine shaft connection
Aluminum diecast casing for low weight
Large end result bearings accommodate higher radial loads
Inch or perhaps metric hollow bore with keyway, single and dual plug-found in shafts also available
Double lip output seals provide maximal protection against contaminants
Face or base installation options, bolt on flanges and torque arms also available
Bronze wheels cast in the productivity shaft for higher strength
Hardened and ground worm shaft provides even operation
Reducer completely sealed for universal 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 best angle drives providing huge speed ratios on comparatively brief center distances from 1/4” to 11”. When properly mounted and lubricated they function as quietist and smoothest running type of gearing. Due to the high ratios possible with worm gearing, maximum speed reduction could be accomplished in fewer space than 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 huge 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 produces a sliding action triggering considerable friction and higher loss of efficiency beyond other styles of gearing. The utilization of hardened and floor worm swith bronze worm gears boosts efficiency.
LUBRICATION can be an essential factor to boost efficiency in worm gearing. Worm gear action generates considerable temperature, decreasing efficiency. The number of ability transmitted at a given temperature rises as the performance of the gearing boosts. Proper lubrication enhances effectiveness by minimizing friction and heat.
RATIOS of worm equipment sets are determined by dividing the quantity of teeth in the gear by the number of threads. Thus solitary threads yield higher ratios than multiple threads. All EP. worm gear sets are available with either still left or right hand threads. EP. worm equipment sets are offered with Triple, Qua, One and Double-druple Threads.
Protection PROVISION: Worm gearing should not be used as a good locking mechanism to hold major weights where reversing action can cause harm or harm. In applications where potential harm is non-existent and self-locking is desired against backward rotation after that use of a single thread worm with a low helix angle automatically locks the worm equipment travel against backward rotation.
Materials recommended for worms is definitely hardened steel and bronze for worm gears. Even so, depending on the application form unhardened metal worms operate adequately and more economically with cast iron worm gears at 50% horsepower ratings. In addition to steel and hardenedsteel, worms can be purchased in aluminum, nylon, bronze and stainless; worm gears can be found in steel, hardened steel, stainless, aluminium, nylon and non-metallic (phenolic).
EP also sells equipment tooth measuring equipment called Equipment GAGES! Gear Gages decrease mistakes, save money and time when identifying and ordering gears. These pitch templates are available in nine sets to recognize all the common pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, Exterior Involute Splines, Metric Module “MOD”, Stub Tooth, Excellent Pitches, Coarse Pitches and Unusual Pitches. Make reference to the section on Equipment GAGES for catalog numbers when ordering.

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Worm gearbox

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