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Using miniature gears, Ever-Power has designed and built exclusive, high accuracy mini gearboxes that cannot be found somewhere else. Our miniature gearboxes can be found in numerous configurations, including worm and wheel, cross axis helical, bevel, inline spur, and more. We are able to also provide customized micro gearboxes that were created and built to meet your specific specifications.
Contact us for the mini gearbox the application requires, or demand a quote upon a customized micro gearbox.
Miniature Bevel Gearboxes | Micro Bevel Equipment 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 Equipment Drives
Miniature Inline Spur Gearboxes | Micro Inline Spur Velocity Reducers
Micro Gearbox Options
Gearboxes are also called reducers, gear reducers, quickness reducers, equipment drives, and gearmotors. All terms can be used more or less interchangeably. Please be aware 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 box miniature gear drives are software rated for the the best possible balance of functionality and cost. Torque could be balanced to meet your RPM and working life requirements. Light-weight with low backlash overall performance (less than 1°, with choice of 1/2”).
Output 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 amounts of thrust in a compact package. They provide an output shaft at 90° from the input, and so are obtainable in gear ratios from 1:1 to 40:1. Lightweight but long lasting, with machined aluminium 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 minutes of backlash or better. Also called “shaft to bore gearboxes,” these devices provide a single insight shaft that protrudes from opposing sides of the casing; output is usually a keyed bore. Standard single- and double-end shafts are available and supplied with keys and retainer rings. An array of gear ratios and input sizes can be found to meet your preferences.
High 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 metal gears, solid aluminium housings, and permanent lubrication. They offer two insight shafts on opposite sides of the body, with two output shafts perpendicular to the insight shafts. Our mini 4 shaft worm equipment drives deliver high effectiveness performance with low backlash.
High efficiency: up to 82% at 1,000 RPM
Low backlash: as little as ≈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 generate an output at 90° from the input. They deliver superior efficiency in an amazing array applications and are built with little 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: only ≤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 boosts to 3,000 RPM. Aluminum housings and stainless gears and shafts make these inline spur gearboxes challenging and corrosion resistant, for your many demanding applications.
Result torque: up to 125 oz.-inches
Low backlash: as little as 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 gear reducers deliver excellent performance with high efficiency, and feature rugged construction for challenging power transfer operations. 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
Small 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 custom micro gearboxes in any configuration the 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 help you develop an all-new design that provides the performance you will need. Demand a quote on a customized miniature gearbox or e mail us to discuss your specific requirements.
The Ever-Power Advantage: Little is No Big Problem
Broadest selection of small gear reducers
Greased for life
Modifications and particular ratios available
Custom small gearboxes made to suit
Input & Output Shafts
Input and result shafts with drive important and retainer rings could be supplied to your specifications for just about any of our hollow bore miniature gearboxes. We provide a basic selection 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 Electronic series crossed axis helical gearboxes use our Electronic gearbox shafts.
For F series spur gearboxes, contact our application engineers to discuss your particular needs.
We offer a broad collection of misalignment shaft couplings in ” and metric bore sizes. In . and metric precision surface shafts are available from stock.
Die-cast zinc housing – Various models for hand operation
Compact Worm Gearboxes
4731 to 4742, 4746 to 4767
Perfect 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 one of the crucial strengths of EP worm gearmotors, which combine DC electric motor technology with exceptional sturdiness and wear resistance. Engine and gearbox were created as you single, compact unit. Because of their reduced current attract, these gearmotors deliver more accurate control of working 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
High tin bronze worm gear
Steel shaft planetary gearboxes
Case-hardened and tempered steel gears
Low noise Range 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 on this we are able to select a wide selection of standard customizations to meet up the Compact Worm Gearbox requirements of varied properties that are essential for each application.
If your application takes a gearbox with some special home such as small dimensions or low weight with regards to power, high efficiency, quiet and vibration-free operation, long life, high resistance to vibration, pressure or temperature, integrated linear screw, or a mixture of such properties, our item range with more than 1000 different standard gearboxes is most likely a good begin to have the ability to deliver something that stands out in your favor.
Small gearboxes are high-quality gearboxes for regular drives. The electric motor is included with the gearbox into a single unit (the first gear is directly on the electric motor shaft). Individual gearboxes for connection to conventional IEC motors can also be supplied on request.
Due to the complexity of the gearboxes’ configuration, they can not be purchased in our e-shop. Our experts will be happy to help you create your selection. We will be happy to send you documentation or style a suitable set directly, on demand.
VANE MOTORS WITH GEARBOXES
Combinations feasible with all our vane motors
ATEX combinations possible
Stainless options possible
Special wishes possible
Ever-Power worm gearboxes possess earned a popularity to be a business benchmark worldwide. Our achievement originated from our relentless drive for quality with state-of-the-art technology, all and will be offering worm gearboxes are affordable prices. High versatility accorded through a broad choice of mounting choices, shaft configurations and electric motor interfaces, makes the Ever-Power worm gearbox the default choice for the industry. The helical-worm and the double-worm edition, with or without the torque limiter, add up to the advantage, creating a highly versatile drive system.
Ever-Power Worm gearboxes provide high torque with low quickness gear ratio. Being basic and compact in design, these gears can perform higher gear ratio compared to the helical gears. These worm reduction gears having screw type qualities act like helical gears, but its helix position is typically comparatively bigger) and its body is generally quite long in the axial path. The gears in these gearboxes could be correct or left-handed dependant on the purpose.
Mounting choice include universal housing, aspect flanges, foot (horizontal and vertical), shaft mounted with torque arm. Available in Solid shafts (one or dual), with torque arm or torque limiter.
EXCELLENT Geared Motors. Ever-Power gearboxes and geared motors are the electro-mechanical key elements for low backlash, efficiently running and highly powerful drive systems.
Our high-performance gear devices are designed to withstand the toughest industrial applications.
The apparatus housings are machined on all sides and invite diverse mounting positions and applications, making them much sought after in the industry. Consequently 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 style in combination with tooth helix angle, tooth depth, the materials used and surface finish maximizes load capacity. This high gearing capacity enables smaller wheels to be used for the same torque, and smaller gears with remarkable power density can also increase reliability. Ever-Power geared motors are therefore incredible space savers.
Gearing produced with such micro-geometric accuracy allows the gearing enjoy required for troublefree rolling contact to be substantially reduced and therefore the gear backlash to become minimized.
Dual chamber shaft seals produced by Ever-Power are used as standard in parallel shaft, shaft mounted and helical worm gears for a high level of tightness.
Ever-Power’s modular gear technology meets the 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 life time are required. Offered in 9 sizes, these worm gearboxes can be supplied with free insight shaft, with hollow bore input shaft and electric motor flange, and double decrease combination units for slow quickness applications. Using cast iron housings, high quality bronze alloy worm tires and extended life bearings, reliability and overall performance are the key features of this range.
High Precision Right Angle Transmission
Wide Selection Of Ratios
Special Surface Treatments
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