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March 19, 2020

Small Precison Worm Reduction Gearboxes
There are a number of specifications you will have to consider when coming up with a worm gearbox selection.
First, what is the insight and output torque requirements? Next, verify vendor horsepower/torque charts and pick the correct worm equipment reducer.
If the size of the gearbox will be an important consideration after that check the reducer dimension specifications, not all manufacturers make compact units. In fact, working with the proper supplier can help you not only find the right equipment reducer but also avoid some of the most typical errors in reducer selection. We provide a free guide to assist you find the appropriate supplier to work with.
For low and fractional horsepower program you can expect two sizes of worm equipment reducer, the SW-1 and the SW-5. Size and torque output will be the major distinctions between these two models. Both feature the hollow or solid output shaft. Both models are compact and provide users a wide selection of ratios, including:
SW-1, 3.5:1 to 60:1
SW-5, 5:1 to 100:1
Understanding the specs of your particular application or project is essential to selecting the correct worm gearbox.
Precision, 6:1 to 100:1 ratios, torque 1 to 10 Nm and multishaft arrangements
M1, M2, M3
Metric Worm Reduction Gearboxes
Small precision with multi-shaft arrangements
• 6:1 to 100:1
• Torque 1 to 10 Nm
• Drilled and tapped mounting holes at the top and bottom
• Flush fitting bearing caps easy to install
• Input shafts installed on precision ball bearings
• Max. input speed 10000rpm
• Anti backlash version available
Additional Range:
Neckar Worm Gearboxes Type S – 4 sizes available
Smallest gearbox specifications:
• 5:1 to 60:1
• Output Torque: 1.4-2 Nm
• Aluminium housig
• Special steel worm wheel
• Max. load capability of output shaft 100N radial, 50N Axial
• Max. input speed 5,000 rpm
• Weight: 0.225kg
Where are Correct Angle Worm Gear Motors Used
Anywhere a compact dual shaft gear motor or single shaft gear motor is required. This right angle gear motor is so versatile it could work just about anyplace.
Features & Options
Double Shaft or One Shaft
Hollow Shaft
Maximize Torque in a little Package
Wide Gear Ratio
Cost-Effective
Compact Size
Specifications
Rated Torque: 55.3 – 700 g-cm
Rated Speed: 4710-5900 rpm
Rated Current: 240 – 5500 mA
Gear Ratios: 1:50 – 1:1050
Using miniature gears, Ever-Power has designed and built unique, high accuracy mini gearboxes that cannot be found anywhere else. Our miniature gearboxes can be found in numerous configurations, which includes worm and wheel, cross axis helical, bevel, inline spur, and more. We can also provide custom micro gearboxes that are designed and created to meet your unique specifications.
E mail us for the mini gearbox the application requires, or ask for a quote on a custom micro gearbox.
Micro Gearbox Options
Gearboxes are also known as reducers, gear reducers, speed reducers, equipment drives, and gearmotors. All terms can be used more or less interchangeably. Please note that the links for our little gear drives include info on the full selection of framework sizes for that series or design.
Bevel Box Micro Equipment Drive
Our bevel package miniature equipment drives are application rated for the the best balance of functionality and price. Torque could be balanced to meet your RPM and operating life requirements. Light-weight with low backlash functionality (as little as 1°, with choice of 1/2”).
Result torque: up to 7 oz.-inches
Low backlash: ≈1°, option of 1/2”
Rated for input speeds up to 2,000 RPM
Temperature range: -5° to 175°F (-20° to 79°C); optional to -40°F (-40°C)
Cross Axis Helical Miniature Gearbox
Ever-Power miniature cross axis helical gearboxes provide relatively high levels of thrust in a compact package. They offer an result shaft at 90° from the input, and so are available in equipment ratios from 1:1 to 40:1. Lightweight but durable, with machined aluminium housings and hardened alloy steel gears.
High 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 mins of backlash or better. Also known as “shaft to bore gearboxes,” the unit provide a single insight shaft that protrudes from opposite sides of the housing; output is a keyed bore. Regular solitary- and double-end shafts can be found and given keys and retainer rings. An array of equipment ratios and insight sizes are offered to meet your needs.
High efficiency: up to 86% at 1,000 RPM
Low backlash: ≤30 arc minutes or better
Obtainable 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 lasting lubrication. They offer two input shafts on opposing sides of the frame, with two result shafts perpendicular to the input shafts. Our mini 4 shaft worm gear drives deliver high performance overall performance with low backlash.
High efficiency: up to 82% at 1,000 RPM
Low backlash: less than ≈2°
Available with equipment 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 produce an output at 90° from the insight. They deliver superior functionality in a wide variety applications and are constructed with small footprints, making them perfect for functions where space is bound. They offer high performance with low backlash.
Gear ratios from 6.66:1 to 80:1
High 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
Specifically engineered for encoder applications, Ever-Power’ micro inline spur gear drives can be found in two frame sizes, and are rated for speeds up to 3,000 RPM. Light weight aluminum housings and stainless gears and shafts make these inline spur gearboxes tough and corrosion resistant, for your the majority of 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 correct angle worm equipment reducers deliver excellent performance with high 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 designed in extremely small 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 customized miniature gearbox to meet your unique specifications. We can produce customized micro gearboxes in any configuration your application requires, with result torque amounts as high as 900Nm. We are able to work from your gearbox styles, reverse engineer a preexisting unit, or assist you to develop an all-new style that delivers the performance you need. Ask for a quote on a custom made miniature gearbox or contact us to discuss your specific requirements.
The Ever-Power Advantage: Small is No Big Problem
Broadest collection of small gear reducers
Greased for life
Ruggedly built
Modifications and special ratios available
Custom small gearboxes designed to suit
Input & Output Shafts
Input and result shafts with drive crucial and retainer rings could be supplied to your specs for any of our hollow bore miniature gearboxes. We offer a basic selection of solitary ended or double ended shafts to put together in these gearboxes. All gearbox shafts are given keys and retainer bands.
For P and PF series worm and wheel gearboxes use our P/PF gearbox shafts.
For E series crossed axis helical gearboxes use our E gearbox shafts.
For F series spur gearboxes, contact our app engineers to discuss your unique needs.
We offer a broad selection of misalignment shaft couplings in inch and metric bore sizes. Inch and metric precision floor shafts can be found from stock.
Contact Us for POWERFUL Miniature Gearboxes
We are the miniature gearbox experts. All of our micro gear drive versions deliver superior performance in a little footprint, and are tough enough for challenging function environments. Contact us to find out more about our mini gearboxes, or ask for a quote on a custom made model that is tailored to your needs.
Additional advantages of worm drive gearboxes include:

Our small worm gearbox is the freshest as well as most cutting-edge in the marketplace.