worm reduction gearbox

Our worm equipment reducers offer an option of a good or hollow result shaft and show an adjustable mounting position. Both the SW-1 and the SW-5, however, can endure shock loading better than other reduction gearbox designs, making them perfect for demanding applications.
Rugged compression-molded glass-fill up polyester housing
Light-weight and compact
Non corrosive
Non metallic
Range of ratios
SW-1, 3.5:1 to 60:1
SW-5, 5:1 to 100:1
Grease Lubrication
Solid or Hollow output shaft
Adjustable mounting position
Worm Gear Rate Reducers is rated 5.0 out of 5 by 1.
8 Ratios Available from 5:1 to 60:1
7 Gear Box Sizes from 1.33 to 3.25″
Universally Interchangeable Design for OEM Replacement
Double Bearings Used on Both Shaft Ends
Anti-Rust Primer Applied Outside and inside Gearbox
Shaft Sleeve Protects All Shafts
S45C Carbon Metal Shafts
Flange Mount Models for 56C and 145TC Motors
Our standard 700 Series – the heart of EP Gear’s quickness reducer product line – has been serving industry reliably for over 40 years. Its confirmed modular style has set the market standard for functionality and is the most imitated product in today’s worm gear velocity reducer marketplace. But why accept a knock-off when you’re able to have the original – from EP Gear.
Specifications
11 basic one reduction sizes
8 basic dual reduction sizes
1/6 – 25 HP
5:1 – 100:1 ratios single reduction
100:1 – 3600:1 ratios double reduction
Non-flanged, NEMA C-face quill, and coupled input styles
Projecting and hollow output shafts
Projecting diameters from 1/2″ to 2-1/4″
Hollow output bore diameters from 5/8″ to 3-7/16″ (with over 20 bore sizes in stock)
Product Features
The 700 Series’ large oil reservoir provides efficient heat dissipation and lubrication for longer operating existence.
Its multi-position mounting versatility permits installation in virtually any position.
Housings are straddle-milled, best and bottom, for precise alignment of horizontal and vertical bases.
Internal baffles assure positive, leak-free worm reduction gearbox venting.
The 700 Series’ rugged housing, fabricated of fine-grained, gear-quality cast iron, provides optimum strength for maximum durability, and also greater precision during worm and gear alignment.
EP Gear’s 700 Series high-strength bronze worm gear is straddle mounted between heavy-duty tapered roller bearings to improve thrust and overhung load capacities, sizes 713-760.
Our 700 Series’ high-strength steel output shaft assures convenience of high torque and overhung loads.
Pipe plugs allow easy fill up, level, and drain in any mounting position.
The 700 Series’ super-finished oil-seal diameters on both input and output shafts extend seal existence.
Both 2D and 3D CAD drawings can be found in our eCatalog.
GEARBOX REDUCERS
Right angle gearboxes (worm and planetary) are durable and built for 90° turns. Inline reducers (parallel shaft and planetary) are an ideal match for motors with high insight speeds, or when gearmotor performance is important. Contact our technical sales personnel for help determining which gearbox solution is best for you.
RIGHT ANGLE REDUCERS
WORM GEAR REDUCER
EP’s worm gear reducers were created with a hollow bore and allow for a corner change with optional dual result. The reducers come in 12 ratios which range from 5:1 to 100:1, with non-back-drivable ratios 30:1 and higher. Our correct angle gearboxes are designed with five mounting options providing flexibility when incorporating the reducer into item.
RIGHT ANGLE BEVEL GEARBOX
bevel-right-angle-gearbox
The right angle bevel gearbox combines the top features of our correct angle worm and planetary inline reducers. With a good and efficient right angle configuration, our right angle planetary gearboxes provide a robust solution. The proper angle bevel gearbox will come in 18 ratios ranging from 5:1 to 1000:1, and it is back-drivable at all ratios.
INLINE REDUCERS
I-SERIES PLANETARY GEARBOX
i-series-planetary-gearbox
Our I-Series small planetary gearbox configurations provide the smallest footprint and quietest operation of our quickness reducers. These gearboxes are designed to handle varying loads with small backlash. With frame sizes 52cm, 62cm, and 81cm, 12 ratios ranging from 5:1 to 308:1, we have a solution to fit your needs. Our 52 frame size is also available with plastic gears for noise-delicate applications.
INLINE PLANETARY GEARBOX
inline-planetary-gearbox
Our inline planetary gearbox configurations provide the highest performance and best result torque of all our speed reducers. These gearboxes are made to handle varying loads with little backlash. Planetary gear reducers operate more quietly than parallel shaft reducers. With 18 ratio choices ranging from 5:1 to 1000:1, we have a solution to suit your needs.
PARALLEL SHAFT GEARBOX
parallel-shaft-gearbox
Parallel shaft gearboxes will be the best choice for constant duty applications. Their equipment cluster design provides an effective method for dissipating high temperature. Parallel shaft gearboxes have the shortest amount of our inline gear reducer options so they work well in environments with limited space. Our parallel shaft gear reducers provide an affordable drop-in alternative solution for most little parallel shaft gearmotors.
Wormwheel gearboxes pass several names, including 90-degree gearboxes, right position gearboxes, swiftness reducers, worm equipment reducers and worm drive gearboxes. Gear decrease boxes feature a gear arrangement in which a equipment in the kind of a screw, also referred to as a worm, meshes with a worm gear. These gears are typically created from bronze and the worms are metal or stainless steel.

While worm gears act like a spur equipment, the worm gearboxes are significantly smaller than other gear reduction boxes. A principal benefit of worm equipment reducers is definitely that they create an output that is 90° from the insight and can be used to transmit higher torque or reduce rotational speed. Most often, a worm gearbox provides right hand threads; to change the direction of the output, a left-hand thread worm gearbox is necessary.
Worldwide HdRS133-10/1-R Cast Iron Right Angle Worm Gear Reducer 10:1 Ratio

Cast Iron Worm Equipment Reducers are available in center distances 1.33 – 3.25 inches in ratio’s from 5:1 to 60:1. The units have got a one piece #Fc20 all cast iron housing, NEMA engine quill style input flanges or shaft inputs, come pre-loaded with synthetic oil and also have a 1 year warranty.

Features:
Tapered roller bearings upon the input and output shafts
Embedded double-lip oil seals
Anti-rust primer applied outside and inside of the gearbox
Air dry special dark paint
Product Specifications

OUTPUT SPEED (RPM) 175
OVERHUNG LOAD LBS. 300
EFFICIENCY 86
BRAND EP
MANUFACTURERS PART Quantity HdRS133-10/1-R
CROSS REFERENCE Boston 713; Grove B213
DESCRIPTION Cast Iron Right Ange Worm Gear Reducer
BACKLASH (FT.) (ANGULAR MINUTES) 27
Result SHAFT THRUST LOAD (LBS.) 300
MAX INPUT HP 0.77
MAX TORQUE (IN-LBS.) 247
WCD CENTER INCHES 1.33
GEAR RATIO 10:1

Ever-Power EP series triple-reduction worm gear velocity reducers can be found in ratios from 5000:1 to 175,000:1 and center distances from 7” to 20” (larger sizes available on request). Output torque ranges from 33,000 in lbs. for the 7” CD EP-70 to 582,900 in pounds for the EP-200. Mechanical HP insight requirements are from 0.09 HP for the 175,000:1 7 in CD reducer to 6.25 HP for the 5000:1 20” CD unit. These reducers can be found in four configurations: horizontal, vertical, shafted, and shaft mounted.

These reducers are well suited for water/waste-water devices drive applications such as thickeners and clarifiers, which need a vertical down shaft. Other available configurations also make Ever-Power triple reduction reducers perfect for use on mixers, elevators, solar panels, astronomical telescopes, indexing tables, hoists, conveyors, or additional process or materials handling systems where large torques/sluggish speeds are needed.

These reducers are also obtainable with a helical main reduction stage and so are termed the HDVM series

Enclosed Gears / Gearboxes
Enclosed gears, also known as gearboxes or acceleration reducers, are open gears within a housing. The housing supports bearings and shafts, holds in lubricants, and protects the parts from surrounding circumstances. Gearboxes can be found in a wide selection of load capacities and quickness ratios.

The objective of a gearbox is to increase or reduce speed. Consequently, torque output will be the inverse of the function. If the enclosed drive is definitely a rate reducer, the torque result increase; if the drive improves speed, the torque result will decrease. Gear drive selection factors include: shaft orientation, velocity ratio, design type, nature of load, gear ranking, environment, mounting position, working temperature range, and lubrication.

Basic Types of Gearboxes

Worm Gear Speed Reducers
A single reduction speed reducer can achieve up to 100:1 decrease ratio in a small package. Known as right position drives, these contain a cylindrical worm with screw threads and a worm. With an individual start worm, the worm equipment advances only one tooth for every 360-degree convert of the worm. So, regardless of the worm’s size, the apparatus ratio may be the ‘size of the worm equipment to 1′. Higher reduction ratios could be created through the use of double and triple decrease ratios.

Helical Gear Speed Reducers
Provide high-efficiency speed reduction through 1, 2, 3, or 4 sets of gears. Power is definitely transmitted from a high-quickness pinion to a slower-speed gear. Helical gears usually operate with their shafts parallel to each other. The two most common types will be the concentric (insight and output shafts are in line) and parallel shaft (input and result shafts are offset). Single-stage helical equipment reducers are typically used for gear ratios up to about 8:1. Where cheaper speeds and higher ratios are required, double, triple, and quadruple equipment reduction stages can be used.

Cycloidal Disc Speed Reducers
Not the same as conventional gearing because they operate without a high speed pinion or gear teeth, and the components operate in compression instead of shear. This is because of the style of the cycloidal discs that roll within a ring gear housing, comparable to a planetary style. The main components are the eccentric cam, the internally flanged output shaft, the discs, and the ring gear housing.

Three Mounting Options
(L-R) Foundation Mounted, Shaft-Mounted, Gearmotor
(L-R) Base-Mounted, Shaft-Mounted, Gearmotor

Base-mounted reducers, that have feet for bolting, will be the most common.

Shaft-mounted reducers have a hollow output shaft that slips more than the driven shaft.

A gearmotor combines an enclosed gearset with a engine. A motorized reducer resembles a gearmotor except that it’s driven by a separate NEMA C-face motor.

Seals and Breathers
Seals are used between the gear housing and input and result shafts to retain oil and prevent dirt. The mostly used type, the radial lip seal, includes a metallic casing that fits into the casing bore and an elastomeric sealing lip that presses on the shaft. Labyrinth seals are use for high-acceleration applications, and contain a housing with a series of bands that limit leakage. A breather is a plug with a hole that is mounted in the gear housing allowing airflow and relieve internal pressure.

Lubrication
Enclosed gears are generally lubricated with oil. The most typical types of oil are rust and oxidation inhibiting, intense pressure, compounded, and synthetic. Other styles include grease and solid film. Grease can be used for worm, planetary, cycloidal, and hypoidal reducers. Common distribution methods are a splash program and a circulating system
Worm Reduction Gearbox Application:

Worm drives certainly are a compact method of substantially decreasing acceleration and increasing torque. Small electric motors are generally high-speed and low-torque; the addition of a worm drive escalates the selection of applications that it might be suitable for, especially when the worm drive’s compactness is considered.

Worm drives are used in presses, in rolling mills, in conveying engineering, in mining industry machines, and on rudders. Furthermore, milling heads and rotary tables are positioned using high-precision duplex worm drives with adjustable backlash.

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