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March 19, 2020

Small Precison Worm Reduction Gearboxes
There are a variety of specifications you will have to consider when coming up with a worm gearbox selection.
First, what is the input and output torque requirements? Next, verify vendor horsepower/torque charts and select the correct worm gear reducer.
If how big is the gearbox will be an important consideration then 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 gear reducer but also avoid some of the most common errors in reducer selection. We offer a free guide to assist you find the appropriate supplier to work with.
For low and fractional horsepower application 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 both of these models. Both feature the hollow or solid result shaft. Both models are compact and provide users a wide range of ratios, including:
SW-1, 3.5:1 to 60:1
SW-5, 5:1 to 100:1
Understanding the specifications of your particular application or task is vital to selecting the right worm gearbox.
Precision, 6:1 to 100:1 ratios, torque 1 to 10 Nm and multishaft arrangements
M1, M2, M3
Metric Worm Reduction Gearboxes
Little precision with multi-shaft arrangements
• 6:1 to 100:1
• Torque 1 to 10 Nm
• Drilled and tapped mounting holes on 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 necessary. This right angle equipment motor is indeed versatile it can 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 exclusive, high precision mini gearboxes that cannot be found somewhere else. Our miniature gearboxes are available in numerous configurations, which includes worm and wheel, cross axis helical, bevel, inline spur, and more. We can also provide customized micro gearboxes that are designed and created to meet your specific specifications.
E mail us for the mini gearbox your application requires, or demand a quote on a customized micro gearbox.
Micro Gearbox Options
Gearboxes are also known as reducers, gear reducers, speed reducers, gear drives, and gearmotors. All terms can be used pretty much interchangeably. Please be aware that the links for our small gear drives include information on the full range of body sizes for that series or design.
Bevel Box Micro Gear Drive
Our bevel box miniature equipment drives are application rated for the ideal balance of overall performance and cost. Torque could be balanced to meet your RPM and operating life requirements. Lightweight with low backlash performance (less than 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 concise package. They offer an output shaft at 90° from the input, and are available in equipment ratios from 1:1 to 40:1. Lightweight but long lasting, with machined aluminium housings and hardened alloy steel gears.
High efficiency: up to 88% at 1,000 RPM
Low backlash: only ≤30 arc minutes
Rated for input boosts to 4,000 RPM
“Left hand” models available
Miniature 2 Shaft Worm Gearbox
Our miniature 2 shaft worm gearmotors are engineered for ≤30 arc moments of backlash or better. Also known as “shaft to bore gearboxes,” these devices provide a single input shaft that protrudes from opposite sides of the casing; output is a keyed bore. Regular solitary- and double-end shafts are available and supplied with keys and retainer bands. An array of gear ratios and input sizes are available to meet up 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 metal gears, solid aluminium housings, and permanent lubrication. They offer two input shafts on opposite sides of the framework, with two output shafts perpendicular to the input shafts. Our mini 4 shaft worm gear drives deliver high effectiveness efficiency with low backlash.
High 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 speeds up to 4,000 RPM
Miniature Flange Worm Gear Drive
These micro flange worm gearboxes create an output at 90° from the input. They deliver superior functionality in an amazing array applications and are constructed with small footprints, making them ideal for procedures where space is bound. They offer high effectiveness 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
Specially engineered for encoder applications, Ever-Power’ micro inline spur gear drives are available in two frame sizes, and are rated for speeds up to 3,000 RPM. Light weight aluminum housings and stainless steel 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 gear ratios from 4.96:1 to 3600:1
Optional synchro cleats available
Compact Wormwheel Gearbox
These miniature right angle worm gear reducers deliver superior performance with high efficiency, and feature rugged construction for challenging power transfer procedures. Available in three equipment ratios (5:1, 10:1, 20:1), our compact worm gearboxes are built in extremely compact footprints for applications where space is limited.
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
Compact footprint: 1.5” x 1.5” x 1.08”
Custom Miniature Gearbox
Ever-Power can engineer and produce a custom miniature gearbox to meet your unique specs. We can produce customized micro gearboxes in any configuration the application requires, with result torque levels as high as 900Nm. We are able to work from your gearbox styles, reverse engineer an existing unit, or help you develop an all-new design that delivers the performance you need. Ask for a quote on a customized miniature gearbox or e mail us to discuss your unique requirements.
The Ever-Power Advantage: Little is No Big Problem
Broadest collection of small gear reducers
Greased for life
Ruggedly built
Modifications and particular ratios available
Custom small gearboxes designed to suit
Input & Output Shafts
Input and output shafts with drive important and retainer rings could be supplied to your specs for just about any of our hollow bore miniature gearboxes. We offer a simple selection of solitary ended or dual ended shafts to assemble 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 Electronic series crossed axis helical gearboxes use our Electronic gearbox shafts.
For F series spur gearboxes, contact our software engineers to discuss your particular needs.
We offer a broad collection of misalignment shaft couplings in inch and metric bore sizes. Inch and metric precision ground shafts can be found from stock.
Contact Us for High Performance Miniature Gearboxes
We are the miniature gearbox specialists. All of our micro gear drive models deliver superior overall performance in a little footprint, and are durable enough for challenging function environments. E mail us to find out more about our mini gearboxes, or ask for a quote on a custom made model that’s tailored to your needs.
Additional advantages of worm drive gearboxes include:

If you need more information about small worm gearbox look into our site.