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March 18, 2020

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Implementing miniature gears, Ever-Power provides designed and built unique, high accuracy mini gearboxes that can’t be found anywhere else. Our miniature gearboxes are available in numerous configurations, which includes worm and wheel, cross axis helical, bevel, inline spur, and extra. We are able to also provide customized micro gearboxes that are designed and built to meet your specific specifications.
Contact us for the mini gearbox your application requires, or request a quote upon a customized micro gearbox.
Miniature Bevel Gearboxes | Micro Bevel Gear Drives | Mini Bevel Gearboxes
Bevel Box
Miniature Cross Axis Helical Gearboxes | Cross Axis Helical Mini Gear
Cross Axis Helical
Miniature Shaft-to-Bore Worm Gearboxes and also Speed Reducers
Shaft-to-Bore
Miniature 4 Shaft Worm Gearboxes | Mini 4 Shaft Worm Gear Motors
4 Shaft Worm
Miniature Flange Worm Gearboxes | Micro Flange Worm Equipment Drives
Flange Worm
Miniature Inline Spur Gearboxes | Micro Inline Spur Swiftness Reducers
Inline Spur
Compact Worm
Compact Worm
Micro Gearbox Options
Gearboxes are also known as reducers, gear reducers, speed reducers, gear drives, and gearmotors. All terms can be used more or less interchangeably. Please note that the backlinks for our little gear drives include details on the full selection of framework sizes for that series or style.
Bevel Box Micro Equipment Drive
Our bevel box miniature equipment drives are application rated for the the best balance of performance and price. Torque could be balanced to meet up your RPM and working life requirements. Lightweight with low backlash performance (as little as 1°, with option of 1/2”).
Output torque: up to 7 oz.-inches
Low backlash: ≈1°, option of 1/2”
Rated for input boosts to 2,000 RPM
Temperature assortment: -5° to 175°F (-20° to 79°C); optional to -40°F (-40°C)
Cross Axis Helical Miniature Gearbox
Ever-Vitality’ miniature cross axis helical gearboxes provide relatively excessive amounts of thrust in a concise package. They provide an output shaft at 90° from the input, and are available in gear ratios from 1:1 to 40:1. Light but durable, with machined aluminium housings and hardened alloy steel gears.
Large efficiency: up to 88% at 1,000 RPM
Low backlash: as low as ≤30 arc minutes
Rated for input speeds up to 4,000 RPM
“Left hand” models available
Miniature 2 Shaft Worm Gearbox
Our miniature 2 shaft worm gearmotors are engineered for ≤30 arc minutes of backlash or better. Also called “shaft to bore gearboxes,” the unit provide a single input shaft that protrudes from opposite sides of the casing; output can be a keyed bore. Regular solitary- and double-end shafts can be found and supplied with keys and retainer bands. An array of gear ratios and insight sizes are readily available to meet your needs.
Large efficiency: up to 86% at 1,000 RPM
Low backlash: ≤30 arc minutes or better
Available in ratios from 5:1 to 120:1
Rated for input speeds up to 3,000 RPM
Miniature 4 Shaft Worm Gearbox
Every miniature 4-shaft worm gearbox from Ever-Power features precision-machined hardened steel gears, solid aluminium housings, and long term lubrication. They offer two input shafts on opposing sides of the body, with two result shafts perpendicular to the insight shafts. Our mini 4 shaft worm gear drives deliver high efficiency efficiency with low backlash.
Great efficiency: up to 82% at 1,000 RPM
Low backlash: less than ≈2°
Available with gear ratios from 1:1 to 32:1
Rated for input boosts to 4,000 RPM
Miniature Flange Worm Equipment Drive
These micro flange worm gearboxes generate an output at 90° from the input. They deliver superior efficiency in an amazing array applications and are constructed with little footprints, making them ideal for procedures where space is limited. They offer high effectiveness with low backlash.
Gear ratios from 6.66:1 to 80:1
Excessive efficiency: up to 83% at 1,000 RPM
Low backlash: as low as ≤4°
Max. input speed: 3,000 PRM
DC motor option available
Miniature Inline Spur Gearbox
Specially engineered for encoder applications, Ever-Power micro inline spur gear drives are available in two frame sizes, and so are rated for speeds up to 3,000 RPM. Aluminum housings and stainless steel gears and shafts produce these inline spur gearboxes difficult and corrosion tolerant, for your many demanding applications.
Output torque: up to 125 oz.-inches
Low backlash: less than 15 arc minutes
Available with equipment ratios from 4.96:1 to 3600:1
Optional synchro cleats available
Compact Wormwheel Gearbox
These miniature right angle worm gear reducers deliver excellent performance with large efficiency, and feature rugged building for challenging power transfer functions. Available in three gear ratios (5:1, 10:1, 20:1), our small worm gearboxes are built in extremely compact footprints for applications where space is bound.
90° output angle
Gear ratios: 5:1, 10:1, and 20:1
Up to 12.5 inch-lbs. of output torque
Max. input speed: 3,000 RPM
Small footprint: 1.5” x 1.5” x 1.08”
Custom Miniature Gearbox
Ever-Power may engineer and manufacture a custom miniature gearbox to meet your unique specs. We can produce custom micro gearboxes in any configuration your application requires, with output torque levels as high as 900Nm. We are able to work from your own gearbox designs, reverse engineer a preexisting unit, or assist you to develop an all-new style that provides the performance you will need. Request a quote on a customized miniature gearbox or contact us to discuss your specific requirements.
The Ever-Power Advantage: Little is No Big Problem
Broadest selection of small gear reducers
Greased for life
Ruggedly built
Modifications and special ratios available
Custom small gearboxes designed to suit
Input and also Output Shafts
Input and result shafts with drive essential and retainer rings can be supplied to your specifications for just about any of our hollow bore miniature gearboxes. We provide a basic range of one ended or dual ended shafts to put together in these gearboxes. All gearbox shafts are supplied with keys and retainer rings.
For P and PF series worm and wheel gearboxes make use of our P/PF gearbox shafts.
For E series crossed axis helical gearboxes use our E gearbox shafts.
For F series spur gearboxes, contact our software engineers to discuss your unique needs.
We provide a broad collection of misalignment shaft couplings for inch and metric bore sizes. In . and metric precision ground shafts can be found from stock.
Die-cast zinc casing – Various models for hands operation
Compact Worm Gearboxes
4731 to 4742, 4746 to 4767
Ideal for use with crank handle
Main physical dimensions:
P/N 4731 to 4742 40mm x 40mm x 70mm
P/N 4747 to 4767 17mm x 35mm x 42mm
Wide variety of ratios from 1:1 to 30:1
1:1, 2:1 and 2.8:1 aren’t self locking, all the ratios are.
Max. output torques: 2 Nm to 17 Nm
Hand operation only
Immediate coupling between servo engine and worm gear is among the important strengths of EP worm gearmotors, which combine DC electric motor technology with exceptional durability and wear resistance. Motor and gearbox were created as one single, compact unit. Because of their reduced current draw, these gearmotors deliver additional accurate control of operating temperature and higher effectiveness.
45 W to 250 W rated output power
Gearbox centre-centre size 31 mm and 33 mm
Aluminium gearbox casing
Case-hardened, tempered and ground worm
Great tin bronze worm gear
Steel shaft planetary gearboxes
Case-hardened and tempered steel gears
Low noise Selection of coupling flanges
We deliver worm gearboxes, spur gearboxes and planetary gearboxes with or without integrated linear business lead screw / ball screw adapted to our flexible modular concept.
Based at this we can select a wide variety of standard customizations to meet the requirements of varied properties that are essential for each application.
If your application requires a gearbox with some special property such as small dimensions or low weight with regards to electricity, high efficiency, quiet and vibration-free operation, long life, high resistance to vibration, tension or temperature, integrated linear screw, or a mixture of such properties, our item range with more than 1000 different standard gearboxes is most likely an excellent start to have the ability to deliver something that stands out on your side.
Small gearboxes are high-level of quality gearboxes for regular drives. The electric motor is included with the gearbox right into a single unit (the first equipment is on the electric motor shaft). Separate gearboxes for link with conventional IEC motors can also be supplied on request.
Due to the complexity of the gearboxes’ configuration, they can not be purchased inside our e-shop. Our specialists will be pleased to help you create your selection. We will be happy to send out you documentation or style the right set directly, on ask for.
VANE MOTORS WITH GEARBOXES
Combinations possible with all our vane motors
Coaxial gearbox
Planetary gearbox
Worm gearbox
ATEX combinations possible
Stainless steel options possible
Special wishes possible
Ever-Power worm gearboxes possess earned a reputation to be an industry benchmark worldwide. Our success originated from our relentless get for quality with state-of-the-artwork technology, all and will be offering worm gearboxes happen to be affordable prices. High flexibility accorded through a wide choice of mounting options, shaft configurations and motor interfaces, would make the Ever-Electric power worm gearbox the default decision for the market. The helical-worm and the double-worm edition, with or without the torque limiter, soon add up to the advantage, creating a highly versatile drive system.
Ever-Electric power Worm gearboxes provide excessive torque with low speed gear ratio. Being basic and compact in design, these gears can perform higher gear ratio than the helical gears. These worm reduction gears having screw type characteristics act like helical gears, but its helix position is typically comparatively larger) and its body is normally quite long in the axial direction. The gears in these gearboxes could be ideal or left-handed dependant on the purpose.
Mounting choice include universal housing, side flanges, foot (horizontal and vertical), shaft mounted with torque arm. Obtainable in Solid shafts (single or double), with torque arm or torque limiter.
Top Quality Geared Motors. Ever-Power gearboxes and geared motors are the electro-mechanical key elements for low backlash, efficiently running and highly dynamic drive systems.
Our high-performance gear models are built to withstand the toughest industrial applications.
The gear housings are machined on all sides and permit diverse mounting positions and applications, producing them much sought after in the industry. As a result our geared motors tend to be to be found within our customers own machines.
The smooth running of Ever-Power gear units and the outstanding load capacity of WATT teeth are achieved with 3D design backed simply by FEM (Finite Element Method). This tooth geometry guarantees optimum rolling get in touch with under load.
The special tooth root design in mixture with tooth helix angle, tooth depth, the components used and surface finish maximizes load capacity. This substantial gearing capacity enables smaller wheels to be used for the exact torque, and smaller gears with extraordinary power density also increase reliability. Ever-Ability geared motors are therefore incredible space savers.
Gearing produced with such micro-geometric accuracy allows the gearing play required for troublefree rolling get in touch with to be substantially decreased and therefore the equipment backlash to be minimized.
Dual chamber shaft seals produced by Ever-Power are utilized as standard on parallel shaft, shaft installed and helical worm gears for a higher level of tightness.
Ever-Power’s modular equipment technology meets certain requirements of advanced drive systems:
Excellent power density
Minimum backlash
Smooth running
Diverse mounting options
Maximum reliability
High variability
Precision Worm Gearboxes plus Geared Motors
EP’s precision worm gearboxes will be created for those more demanding applications where small size, high torque, high ratio, low backlash, low noise and long lifetime are required. Provided in 9 sizes, these worm gearboxes can be supplied with free input shaft, with hollow bore input shaft and engine flange, and double reduction mixture units for slow speed applications. Implementing cast iron housings, top quality bronze alloy worm wheels and long life bearings, reliability and functionality are the important features of this range.
High Precision Right Position Transmission
Long Lifetime
WIDE RANGE Of Ratios
Special Surface Treatments

Thank you for checking out Compact Worm Gearbox, for more write-ups like this please visit https://www.ever-power.net/product/compact-worm-gearbox/.