compact worm gearbox

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Using miniature gears, Ever-Power offers designed and built exclusive, high accuracy mini gearboxes that cannot be found somewhere else. Our miniature gearboxes can be found in numerous configurations, which includes worm and wheel, cross axis helical, bevel, inline spur, and extra. We are able to also provide customized micro gearboxes that are designed and created to meet your unique specifications.
Contact us for the mini gearbox the application requires, or demand a quote on a customized micro gearbox.
Miniature Bevel Gearboxes | Micro Bevel Equipment 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 & 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 Swiftness Reducers
Inline Spur
Compact Worm
Compact Worm
Micro Gearbox Options
Gearboxes are also called reducers, gear reducers, rate reducers, gear drives, and gearmotors. All terms can be used more or less interchangeably. Please note that the inbound links for our small gear drives include details on the full range of body sizes for that series or style.
Bevel Box Micro Equipment Drive
Our bevel container miniature equipment drives are application rated for the maximum balance of overall performance and charge. Torque can be balanced to meet your RPM and operating life requirements. Lightweight with low backlash functionality (as little as 1°, with option 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 vary: -5° to 175°F (-20° to 79°C); optional to -40°F (-40°C)
Cross Axis Helical Miniature Gearbox
Ever-Ability’ miniature cross axis helical gearboxes provide relatively substantial amounts of thrust in a compact package. They provide an result shaft at 90° from the input, and so are available in gear ratios from 1:1 to 40:1. Lightweight but long lasting, with machined light weight 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 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 minutes of backlash or perhaps better. Also known as “shaft to bore gearboxes,” the unit provide a single input shaft that protrudes from opposing sides of the housing; output is certainly a keyed bore. Common one- and double-end shafts are available and supplied with keys and retainer rings. An array of equipment ratios and input sizes are 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 long lasting lubrication. They offer two input shafts on reverse sides of the body, with two output shafts perpendicular to the insight shafts. Our mini 4 shaft worm gear drives deliver high performance performance with low backlash.
Large 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 boosts to 4,000 RPM
Miniature Flange Worm Gear Drive
These micro flange worm gearboxes produce an output at 90° from the insight. They deliver superior overall performance in an amazing array applications and are constructed with little footprints, making them well suited for operations where space is limited. They offer high effectiveness with low backlash.
Gear ratios from 6.66:1 to 80:1
Excessive 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 can be found in two frame sizes, and are rated for boosts to 3,000 RPM. Aluminium housings and stainless steel gears and shafts try to make these inline spur gearboxes challenging and corrosion resilient, for your the majority of 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 gear reducers deliver excellent performance with high efficiency, and show rugged construction for challenging power transfer functions. Available in three gear ratios (5:1, 10:1, 20:1), our compact worm gearboxes are built in extremely compact 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
Compact footprint: 1.5” x 1.5” x 1.08”
Custom Miniature Gearbox
Ever-Power may engineer and produce a custom miniature gearbox to meet your unique technical specs. We can produce custom micro gearboxes in any configuration your application requires, with result torque levels as high as 900Nm. We can work from your gearbox styles, reverse engineer an existing unit, or assist you to develop an all-new design that delivers the performance you will need. Request a quote on a custom miniature gearbox or contact us to discuss your specific requirements.
The Ever-Power Advantage: Small 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 result 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 basic selection of solitary 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 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 software engineers to discuss your unique needs.
We offer a broad selection of misalignment shaft couplings through in . and metric bore sizes. In . and metric precision floor shafts can be found from stock.
Die-cast zinc casing – 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 range 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 engine and worm gear is among the crucial strengths of EP worm gearmotors, which incorporate DC electric motor technology with exceptional sturdiness and wear resistance. Motor and gearbox were created as one single, compact unit. Because of their reduced current pull, these gearmotors deliver additional 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 Range of coupling flanges
We deliver worm gearboxes, spur gearboxes and planetary gearboxes with or maybe without integrated linear lead screw / ball screw adapted to our flexible modular concept.
Based with this we can select a wide variety of normal customizations to meet the requirements of varied properties that are important for each application.
If your application requires a gearbox with some special residence such as small dimensions or low weight with regards to electricity, high efficiency, quiet and vibration-free operation, extended life, high level of resistance to vibration, pressure or temperature, integrated linear screw, or a mixture of such properties, our item range with an increase of than 1000 different standard gearboxes is probably a good start to have the ability to deliver a product that stands out on your side.
Compact gearboxes are high-top quality gearboxes for standard drives. The electric motor is integrated with the gearbox right into a single unit (the first gear is directly on the motor shaft). Individual gearboxes for link with conventional IEC motors may also be supplied on request.
Because of the complexity of the gearboxes’ configuration, they cannot be purchased in our e-shop. Our professionals will be pleased to help you make your selection. We are pleased to send out you documentation or style the right set directly, on demand.
VANE MOTORS WITH GEARBOXES
Combinations possible 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 achievement came from our relentless get for level of quality with state-of-the-art technology, all while offering worm gearboxes happen to be affordable prices. High versatility accorded through a wide choice of mounting options, shaft configurations and motor interfaces, creates the Ever-Electric power worm gearbox the default determination for the industry. The helical-worm and the double-worm edition, with or without the torque limiter, add up to the advantage, creating an extremely versatile drive system.
Ever-Electrical power Worm gearboxes provide great torque with low quickness gear ratio. Being basic and compact in design, these gears can perform higher gear ratio than the helical gears. These worm decrease gears having screw type qualities are similar to helical gears, but its helix angle is typically comparatively larger) and its own body is normally quite long in the axial direction. The gears in these gearboxes can be best 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 (single or dual), with torque arm or torque limiter.
EXCELLENT Geared Motors. Ever-Electric power gearboxes and geared motors are the electro-mechanical key components for low backlash, easily running and highly powerful drive systems.
Our high-performance gear units are designed to withstand the toughest commercial applications.
The gear housings are machined on all sides and permit diverse installation positions and applications, producing them much sought after in the industry. Because of this 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 backed by FEM (Finite Element Method). This tooth geometry guarantees optimum rolling contact 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 huge gearing capacity enables smaller wheels to be used for the same torque, and smaller sized gears with extraordinary power density also increase reliability. Ever-Electric power geared motors are therefore incredible space savers.
Gearing manufactured with such micro-geometric accuracy allows the gearing play necessary for troublefree rolling contact to be substantially reduced and therefore the gear backlash to be minimized.
Dual chamber shaft seals developed by Ever-Power are used as standard for parallel shaft, shaft mounted and helical worm gears for a higher level of tightness.
Ever-Power’s modular equipment technology meets certain requirements of advanced drive programs:
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 created for those more demanding applications where small specifications, high torque, high ratio, low backlash, low noise and long life time are required. Offered in 9 sizes, these worm gearboxes could be supplied with free input shaft, with hollow bore insight shaft and electric motor flange, and double decrease combination units for slow velocity applications. Applying cast iron housings, high quality bronze alloy worm wheels and long life bearings, reliability and functionality are the key top features of this range.
High Precision Right Angle Transmission
Long Lifetime
WIDE RANGE Of Ratios
Special Surface Treatments

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