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Using miniature gears, Ever-Power offers designed and built unique, high precision mini gearboxes that cannot be found anywhere 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 were created and built to meet your unique specifications.
Contact us for the mini gearbox your application requires, or request a quote on a customized micro gearbox.
Miniature Bevel Gearboxes | Micro Bevel Gear Drives | Mini Bevel Gearboxes
Miniature Cross Axis Helical Gearboxes | Cross Axis Helical Mini Gear
Cross Axis Helical
Miniature Shaft-to-Bore Worm Gearboxes & Speed Reducers
Miniature 4 Shaft Worm Gearboxes | Mini 4 Shaft Worm Gear Motors
4 Shaft Worm
Miniature Flange Worm Gearboxes | Micro Flange Worm Gear Drives
Miniature Inline Spur Gearboxes | Micro Inline Spur Quickness Reducers
Micro Gearbox Options
Gearboxes are also called reducers, gear reducers, rate reducers, equipment drives, and gearmotors. All conditions can be used more or less interchangeably. Please be aware that the links for our small gear drives include details on the full range of framework sizes for that series or style.
Bevel Box Micro Gear Drive
Our bevel box miniature gear drives are software rated for the the best possible balance of overall performance and cost. Torque could be balanced to meet up your RPM and working life requirements. Light-weight with low backlash overall performance (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 boosts 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 amounts of thrust in a compact package. They offer an result shaft at 90° from the input, and are obtainable in gear ratios from 1:1 to 40:1. Lightweight but long lasting, with machined aluminum housings and hardened alloy metal gears.
High efficiency: up to 88% at 1,000 RPM
Low backlash: only ≤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 moments of backlash or better. Also called “shaft to bore gearboxes,” the unit provide a single input shaft that protrudes from opposite sides of the housing; output is certainly a keyed bore. Standard solitary- and double-end shafts are available and supplied with keys and retainer rings. An array of equipment ratios and input sizes can be found 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 boosts 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 long term lubrication. They offer two insight shafts on reverse sides of the framework, with two result shafts perpendicular to the insight shafts. Our mini 4 shaft worm equipment drives deliver high efficiency 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 speeds up to 4,000 RPM
Miniature Flange Worm Gear Drive
These micro flange worm gearboxes produce an output at 90° from the input. They deliver superior performance in a wide variety applications and are constructed with little footprints, making them perfect for procedures 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 are available in two frame sizes, and are rated for speeds up to 3,000 RPM. Aluminum housings and stainless steel gears and shafts make these inline spur gearboxes hard and corrosion resistant, for your most demanding applications.
Output torque: up to 125 oz.-inches
Low backlash: as little as 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 equipment reducers deliver superior performance with high efficiency, and show rugged structure for challenging power transfer operations. 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 produce a custom miniature gearbox to meet up your unique specifications. We can produce custom micro gearboxes in any configuration the application requires, with result torque amounts as high as 900Nm. We are able to work from your gearbox designs, reverse engineer an existing unit, or assist you to develop an all-new style that provides the performance you need. Ask for a quote on a custom made 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
Modifications and unique ratios available
Custom small gearboxes made to suit
Input & Output Shafts
Input and result shafts with drive important and retainer rings can be supplied to your specs for any of our hollow bore miniature gearboxes. We provide a basic 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 make use of our P/PF gearbox shafts.
For E series crossed axis helical gearboxes use our Electronic gearbox shafts.
For F series spur gearboxes, contact our software engineers to go over your particular 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.
Die-cast zinc housing – Various models for hand 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 other ratios are.
Max. output torques: 2 Nm to 17 Nm
Hand operation only
Direct coupling between servo electric motor and worm gear is one of the important strengths of EP worm gearmotors, which combine DC Compact Worm Gearbox engine technology with exceptional sturdiness and wear resistance. Electric motor and gearbox are designed as one single, compact unit. Thanks to their reduced current draw, these gearmotors deliver more accurate control of working temperature and higher performance.
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
High 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 lead screw / ball screw adapted to your flexible modular concept.
Based upon this we can select a wide variety of standard customizations to meet up the requirements of various properties that are essential for each application.
If your application takes a gearbox with some special house such as for example small dimensions or low weight with regards to power, high efficiency, quiet and vibration-free operation, long life, high level of resistance to vibration, pressure or temperature, integrated linear screw, or a combination of such properties, our product range with an increase of than 1000 different standard gearboxes is probably a good begin to have the ability to deliver a product that stands out in your favor.
Small gearboxes are high-quality gearboxes for standard drives. The electric engine is integrated with the gearbox right into a single device (the first gear is on the motor shaft). Separate gearboxes for connection to conventional IEC motors can also be supplied on request.
Due to the complexity of the gearboxes’ configuration, they cannot be purchased in our e-shop. Our professionals will be happy to help you create your selection. We are happy to send you documentation or design a suitable set directly, on ask for.
VANE MOTORS WITH GEARBOXES
Combinations possible with all our vane motors
ATEX combinations possible
Stainless options possible
Special wishes possible
Ever-Power worm gearboxes possess earned a status to be an industry benchmark worldwide. Our success originated from our relentless drive for quality with state-of-the-artwork technology, all and will be offering worm gearboxes are affordable prices. High flexibility accorded through a wide choice of mounting options, shaft configurations and motor interfaces, makes the Ever-Power worm gearbox the default choice for the sector. The helical-worm and the double-worm version, with or without the torque limiter, add up to the advantage, creating an extremely versatile drive system.
Ever-Power Worm gearboxes provide high torque with low speed gear ratio. Being simple and compact in design, these gears can achieve higher gear ratio than the helical gears. These worm reduction gears having screw type characteristics are similar to helical gears, but its helix position is typically comparatively bigger) and its body is normally quite long in the axial direction. The gears in these gearboxes can be right or left-handed dependant on the purpose.
Mounting option include universal housing, side flanges, foot (horizontal and vertical), shaft mounted with torque arm. Obtainable in Solid shafts (one or double), with torque arm or torque limiter.
EXCELLENT Geared Motors. Ever-Power gearboxes and geared motors will be the electro-mechanical key elements for low backlash, easily running and highly dynamic drive systems.
Our high-performance gear systems are built to withstand the toughest industrial applications.
The gear housings are machined on all sides and permit diverse mounting positions and applications, making them much sought after in the industry. Because of this our geared motors are often to be found within our customers own devices.
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 contact under load.
The special tooth root style in mixture with tooth helix angle, tooth depth, the components used and surface finish maximizes load capacity. This high gearing capacity enables smaller wheels to be utilized for the same torque, and smaller sized gears with excellent power density can also increase reliability. Ever-Power geared motors are therefore incredible space savers.
Gearing manufactured with such micro-geometric accuracy allows the gearing perform required for troublefree rolling contact to be substantially reduced and then the gear backlash to be minimized.
Double chamber shaft seals developed by Ever-Power are utilized as standard in parallel shaft, shaft mounted and helical worm gears for a high level of tightness.
Ever-Power’s modular gear technology meets certain requirements of advanced drive systems:
Excellent power density
Diverse mounting options
Precision Worm Gearboxes & Geared Motors
EP’s precision worm gearboxes are 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 could be supplied with free insight shaft, with hollow bore input shaft and electric motor flange, and double decrease combination units for slow acceleration applications. Using cast iron housings, top quality bronze alloy worm tires and extended life bearings, reliability and overall performance are the key features of this range.
High Precision Right Position Transmission
WIDE RANGE Of Ratios
Special Surface Treatments
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