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March 18, 2020

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Employing miniature gears, Ever-Power provides designed and built unique, high precision 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 even more. We can also provide custom micro gearboxes that were created and created to meet your unique specifications.
Contact us for the mini gearbox the application requires, or request a quote on 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 Gear Drives
Flange Worm
Miniature Inline Spur Gearboxes | Micro Inline Spur Speed Reducers
Inline Spur
Compact Worm
Compact Worm
Micro Gearbox Options
Gearboxes are also known as reducers, gear reducers, velocity reducers, equipment drives, and gearmotors. All conditions can be used pretty much interchangeably. Please be aware that the inbound links for our little gear drives include information on the full range of frame sizes for that series or style.
Bevel Box Micro Equipment Drive
Our bevel container miniature equipment drives are software rated for the optimum balance of performance and price. Torque could be balanced to meet your RPM and operating life requirements. Lightweight 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 collection: -5° to 175°F (-20° to 79°C); optional to -40°F (-40°C)
Cross Axis Helical Miniature Gearbox
Ever-Electricity’ miniature cross axis helical gearboxes provide relatively large levels of thrust in a compact package. They offer an result shaft at 90° from the input, and are available in equipment ratios from 1:1 to 40:1. Light-weight but durable, with machined aluminium housings and hardened alloy steel gears.
Excessive 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 perhaps better. Also known as “shaft to bore gearboxes,” these devices provide a single input shaft that protrudes from reverse sides of the housing; output can be a keyed bore. Standard single- and double-end shafts can be found and given keys and retainer rings. An array of gear ratios and insight sizes are readily available to meet up 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 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 efficiency performance 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 boosts to 4,000 RPM
Miniature Flange Worm Equipment Drive
These micro flange worm gearboxes produce an output at 90° from the input. They deliver superior efficiency in a wide variety applications and are built with small footprints, making them perfect for operations where space is limited. They offer high efficiency 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
Specifically engineered for encoder applications, Ever-Power micro inline spur gear drives can be found in two frame sizes, and are rated for boosts to 3,000 RPM. Aluminium housings and stainless gears and shafts help to 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 correct angle worm equipment reducers deliver excellent performance with huge efficiency, and show rugged construction for challenging power transfer procedures. 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 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 may engineer and produce a customized 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 can work from your own gearbox designs, reverse engineer an existing unit, or help you develop an all-new style 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 selection of small gear reducers
Greased for life
Ruggedly built
Modifications and special ratios available
Custom small gearboxes designed to suit
Input plus Output Shafts
Input and output shafts with drive essential and retainer rings could be supplied to your specifications for just about any of our hollow bore miniature gearboxes. We provide a basic collection of solitary ended or double ended shafts to assemble in these gearboxes. All gearbox shafts are given keys and retainer rings.
For P and PF series worm and wheel gearboxes use our P/PF gearbox shafts.
For Electronic series crossed axis helical gearboxes use our E gearbox shafts.
For F series spur gearboxes, contact our program engineers to discuss your particular needs.
We offer a broad collection of misalignment shaft couplings for in . and metric bore sizes. In . and metric precision surface shafts can be found from stock.
Die-cast zinc housing – 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 range of ratios from 1:1 to 30:1
1:1, 2:1 and 2.8:1 are not 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 key strengths of EP worm gearmotors, which combine DC engine technology with exceptional sturdiness and wear resistance. Electric motor and gearbox are designed as you single, compact unit. Because of their reduced current attract, these gearmotors deliver even more 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
Huge 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 as well as without integrated linear business lead screw / ball screw adapted to your flexible modular concept.
Based about this we are able to select a wide variety of common customizations to meet the requirements of varied properties that are essential for each application.
If your application takes a gearbox with some special property or home such as small dimensions or low weight in relation to electric power, high efficiency, quiet and vibration-free operation, long life, high level of resistance to vibration, tension or temperature, integrated linear screw, or a combination of this kind of properties, our item range with more than 1000 different standard gearboxes is probably an excellent start to have the ability to deliver something that stands out in your favor.
Small gearboxes are high-top quality gearboxes for standard drives. The electric electric motor is built-in with the gearbox right into a single device (the first equipment is directly on the engine shaft). Individual gearboxes for link with conventional IEC motors can also be supplied on request.
Due to the complexity of the gearboxes’ configuration, they cannot be purchased inside our e-shop. Our professionals will be happy to help you make your selection. We will be pleased to send out you documentation or design a suitable set directly, on ask for.
VANE MOTORS WITH GEARBOXES
Combinations feasible with all our vane motors
Coaxial gearbox
Planetary gearbox
Worm gearbox
ATEX combinations possible
Stainless options possible
Special wishes possible
Ever-Power worm gearboxes have earned a reputation to be a business benchmark worldwide. Our success came from our relentless travel for top quality with state-of-the-artwork technology, all while offering worm gearboxes are affordable prices. High flexibility accorded through a wide choice of mounting choices, shaft configurations and electric motor interfaces, produces the Ever-Electricity worm gearbox the default determination for the sector. The helical-worm and the double-worm version, with or without the torque limiter, add up to the advantage, creating a highly versatile drive system.
Ever-Power Worm gearboxes provide excessive torque with low swiftness gear ratio. Being basic 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 angle is typically comparatively larger) and its own body is normally quite lengthy in the axial path. The gears in these gearboxes can be proper or left-handed dependant on the purpose.
Mounting option include universal housing, part flanges, foot (horizontal and vertical), shaft mounted with torque arm. Available in Solid shafts (solitary or dual), with torque arm or torque limiter.
Top Quality Geared Motors. Ever-Vitality gearboxes and geared motors are the electro-mechanical key elements for low backlash, efficiently running and highly dynamic drive systems.
Our high-performance gear devices are built to withstand the toughest industrial applications.
The apparatus housings are machined on all sides and permit diverse installation positions and applications, making them much sought after in the industry. Consequently our geared motors are often 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 supported simply by FEM (Finite Element Method). This tooth geometry ensures optimum rolling contact 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 great gearing capacity enables smaller wheels to be used for the same torque, and smaller gears with remarkable power density also increase reliability. Ever-Electrical power geared motors are as a result incredible space savers.
Gearing manufactured with such micro-geometric precision allows the gearing perform required for troublefree rolling contact to be substantially reduced and therefore the equipment backlash to be minimized.
Dual chamber shaft seals produced by Ever-Power are used as standard in parallel shaft, shaft installed and helical worm gears for a high level of tightness.
Ever-Power’s modular gear technology meets the requirements of advanced drive devices:
Excellent power density
Minimum backlash
Smooth running
Diverse mounting options
Maximum reliability
High variability
Precision Worm Gearboxes & Geared Motors
EP’s precision worm gearboxes are designed for those more demanding applications where compact proportions, high torque, high ratio, low backlash, low noises and long life time are required. Offered in 9 sizes, these worm gearboxes could be supplied with free insight shaft, with hollow bore input shaft and engine flange, and double reduction combination units for slow speed applications. Employing cast iron housings, high quality bronze alloy worm tires and extended life bearings, reliability and efficiency are the major top features of this range.
High Precision Right Angle Transmission
Long Lifetime
Wide Selection Of Ratios
Special Surface Treatments

If you still cannot determine exactly what to think of Compact Worm Gearbox, visit our web site at https://www.ever-power.net/product/compact-worm-gearbox/ as well as find out even more!