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EP offers a complete selection of modular servo gearboxes /worm reducers. The modular design allows for configurations with motor insight flange and result pinion for rack and pinion drives, along with solid output shafts, Hollow bore productivity, and input shafts for all the positioning applications. The modular design and style allows for general mounting of the gearbox in any orientation.
Servo-Worm Reducers were specifically developed for make use of with the latest servo motors found in applications that demand specific positioning and repeatability.
These reducers are well suited for applications in materials handling, automation, machine tool, and robotics.
The light weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A wide variety of insight flanges and couplings are available to permit easy mounting of nearly any servo-motor and custom made flanges can be accommodated. Productivity configurations with pinion, hollow bore, or sturdy shaft are available and will be configured for type with motor flange, free source shaft, or both free input shaft and motor flange.
An optimized worm gear tooth design insures excessive efficiency while at 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.
Available in 6 sizes
Ratios from 2 to 60:1
Torque Potential 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
특징
Wide range of servo gearboxes, designed to fit virtually all servo motors on the market
Designed for the best torsional stiffness and the lowest angular backlash, for the utmost 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 conceivable servomotors coupling dimensions.
The right 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 selection of Servo-Worm Reducers are exquisite for use in applications that demand high precise positioning, repeatability and performance. They were especially developed for use with state-of-the-art servo motor technology, providing limited integration of the electric motor to the unit. Angular backlash of less than 1 arc-mins is provided standard.
They can be purchased 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 broad range of motor couplings and mounting flanges are available for assembly to nearly all servo motors, and the hollow bore end result works extremely well to mount productivity shafts, pinion shafts, or other drive elements.
Standard applications for these reducers include precision rotary axis drives, traveling gantries & columns, materials handling axis drives, zero-backlash axis drives and electronic digital line shafting. Industries dished up include Material H, Automation, ling, Aerospace, Machine Program and Robotics.
Gearing: Internal gear style was optimized to provide an angular backlash of less than 1 arc-minutes in assembly, with the choice of “in the discipline” adjustable backlash if necessary.
Bearings: Input angular get in touch with bearings for high suggestions speed, and robust output tapered-roller bearings for high radial and axial load ability.
Housing: Aluminium housing for good heat dissipation, with integral input flange for servo motors and general mounting on any encounter.
Output: The outcome bore is available with a good compression-type hub or a good ISO 9409-1 flange (see dimension webpages). We give you 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-travel reduction for applications that want extremely slow and smooth rotational motion. The worm-drive design not merely 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 outcome shaft is backed by dual 3/8” ABEC 5 ball bearings to aid lots from any orientation. The ¼” ABS plastic and lightweight aluminum structure offers a rigid framework without adding unnecessary weight and is quickly attached to any flat surface by utilizing the base mounting tabs. Our Standard Spur Gear motors will work with this gearbox (engine purchased separately). The Vertical Shaft Worm-Drive Gearbox is ideal for turn-tables, time-lapse devices and low-rate applications that want high accuracy and torque.
Motor RPM required = 1 / (mins per rotation desired / 30)
Example: 1 / (ten minutes per rotation / 30) = 3 RPM motor had a need to achieve ten minutes per rotation (in max speed)
now offers an economical right position gearhead for use with small NEMA 23 through 56 and similar small metric servo and stepper motors. These reducers are most appropriate for basic action and source speeds of 2000 rpm where profile application 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 productivity shafts
Hollow output standard, place shafts optional
2D and 3D drawings available online
Flexible servo motor interface
Clamp-style hub provides zero-backlash motor shaft connection
Aluminum diecast housing for low weight
Large end result bearings accommodate bigger radial loads
Inch or metric hollow bore with keyway, single and dual plug-found in shafts also available
Double lip productivity seals provide maximal protection against contaminants
Face or base mounting alternatives, bolt on flanges and torque hands also available
Bronze wheels cast in the result shaft for higher strength
Hardened and surface worm shaft provides soft operation
Reducer completely sealed for general mounting and long-life lubrication
Two bearing worm support isolates electric motor bearings from radial and axial loads
Flexible coupling element eliminates electric motor misalignment and bearing wear
Worm Gears are ideal angle drives providing significant rate ratios on comparatively short center distances from 1/4” to 11”. When properly attached and lubricated they function as the quietist and smoothest running type of gearing. Due to high ratios possible with worm gearing, optimum speed reduction can be accomplished in less 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 gear drives depends to a huge extent on the helix position of the worm. Multiple thread worms and gears with bigger helix angle prove 25% to 50% better than sole thread worms. The mesh or engagement of worms with worm gears generates a sliding action causing considerable friction and greater lack of efficiency beyond other types of gearing. The use of hardened and floor worm swith bronze worm gears increases efficiency.
LUBRICATION can be an essential factor to boost efficiency found in worm gearing. Worm equipment action generates considerable heating, decreasing efficiency. The amount of electricity transmitted at confirmed temperature rises 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 apparatus by the amount of threads. Thus single threads yield higher ratios than multiple threads. All EP. worm gear sets are available with either left or right hand threads. EP. worm equipment sets are offered with Triple, Qua, Double and Single-druple Threads.
Safe practices PROVISION: Worm gearing should not be used as a locking mechanism to hold major weights where reversing action could cause harm or harm. In applications where potential harm is nonexistent and self-locking is desired against backward rotation then use of a single thread worm with a minimal helix angle automatically locks the worm gear drive against backward rotation.
Materials recommended for worms is certainly hardened steel and bronze for worm gears. Even so, depending on the application unhardened metal 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 aluminium, nylon, bronze and stainless; worm gears are available in steel, hardened steel, stainless, light weight aluminum, nylon and nonmetallic (phenolic).
EP also sells gear tooth measuring products 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 standard 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 amounts when ordering.