Our worm equipment reducers offer a choice of a solid or hollow result shaft and feature an adjustable mounting placement. Both the SW-1 and the SW-5, however, can endure shock loading better than other decrease gearbox styles, making them well suited 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 Swiftness 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 Style 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 Steel Shafts
Flange Mount Versions for 56C and 145TC Motors
Our regular 700 Series – the heart of EP Gear’s quickness reducer products – has been serving industry reliably for over 40 years. Its proven modular style has set the market standard for performance and is the most imitated item in the current worm gear velocity reducer market. But why settle for a knock-off when you’re able to have the initial – 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 result 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 share)
Product Features
The 700 Series’ huge oil reservoir provides efficient heat dissipation and lubrication for longer operating life.
Its multi-position mounting versatility permits installation in practically any position.
Housings are straddle-milled, best and bottom level, for precise alignment of horizontal and vertical bases.
Internal baffles assure positive, leak-free venting.
The 700 Series’ rugged casing, fabricated of fine-grained, gear-quality cast iron, provides maximum strength for optimum durability, as well as greater precision during worm and gear alignment.
EP Gear’s 700 Series high-strength bronze worm gear is straddle mounted between heavy-duty worm reduction gearbox Tapered roller bearings to improve thrust and overhung load capacities, sizes 713-760.
Our 700 Series’ high-strength steel result shaft assures capacity for high torque and overhung loads.
Pipe plugs allow easy fill up, level, and drain in virtually any mounting position.
The 700 Series’ super-finished oil-seal diameters on both input and output shafts extend seal lifestyle.
Both 2D and 3D CAD drawings are available in our eCatalog.
GEARBOX REDUCERS
Correct angle gearboxes (worm and planetary) are tough and built for 90° turns. Inline reducers (parallel shaft and planetary) are a perfect match for motors with high insight speeds, or when gearmotor efficiency is important. Contact our technical sales staff for help identifying which gearbox answer is most beneficial for you.
RIGHT ANGLE REDUCERS
WORM GEAR REDUCER
EP’s worm gear reducers were created with a hollow bore and allow for a corner convert with optional dual result. The reducers can be found 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 product.
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 offer 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 procedure of our swiftness reducers. These gearboxes are made to handle varying loads with little backlash. With frame sizes 52cm, 62cm, and 81cm, 12 ratios ranging from 5:1 to 308:1, we have a solution to suit your needs. Our 52 frame size can be available with plastic-type material gears for noise-sensitive applications.
INLINE PLANETARY GEARBOX
inline-planetary-gearbox
Our inline planetary gearbox configurations supply the highest effectiveness and best result torque of all our speed reducers. These gearboxes are created to manage varying loads with small backlash. Planetary equipment reducers operate more quietly than parallel shaft reducers. With 18 ratio options ranging from 5:1 to 1000:1, we’ve a solution to fit your needs.
PARALLEL SHAFT GEARBOX
parallel-shaft-gearbox
Parallel shaft gearboxes are the best choice for continuous duty applications. Their gear cluster design provides an effective method for dissipating heat. Parallel shaft gearboxes possess the shortest amount of our inline gear reducer options therefore they work very well in environments with limited space. Our parallel shaft equipment reducers provide an affordable drop-in substitute solution for most little parallel shaft gearmotors.
Wormwheel gearboxes go by several names, including 90-degree gearboxes, right angle gearboxes, speed reducers, worm equipment reducers and worm drive gearboxes. Gear reduction boxes feature a gear arrangement when a gear in the type of a screw, also referred to as a worm, meshes with a worm equipment. These gears are usually created from bronze and the worms are steel or stainless steel.

While worm gears act like a spur equipment, the worm gearboxes are considerably smaller than other equipment reduction boxes. A principal benefit of worm gear reducers can be that they produce an output that is 90° from the insight and can be utilized to transmit higher torque or decrease rotational speed. Most often, a worm gearbox offers 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 can be found in center distances 1.33 – 3.25 inches in ratio’s from 5:1 to 60:1. The systems have a one piece #Fc20 all cast iron housing, NEMA motor quill style input flanges or shaft inputs, come pre-filled with synthetic oil and also have a 12 months 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 black paint
Product Specifications

OUTPUT SPEED (RPM) 175
OVERHUNG LOAD LBS. 300
EFFICIENCY 86
BRAND EP
MANUFACTURERS PART NUMBER HdRS133-10/1-R
CROSS REFERENCE Boston 713; Grove B213
DESCRIPTION Cast Iron Correct Ange Worm Gear Reducer
BACKLASH (FT.) (ANGULAR MINUTES) 27
OUTPUT SHAFT THRUST LOAD (Pounds.) 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 swiftness reducers are available in ratios from 5000:1 to 175,000:1 and center distances from 7” to 20” (larger sizes available on request). Result 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 are available in four configurations: horizontal, vertical, shafted, and shaft mounted.

These reducers are perfect for water/waste-water equipment drive applications such as thickeners and clarifiers, which need a vertical down shaft. Other obtainable configurations also make Ever-Power triple reduction reducers perfect for make use of on mixers, elevators, solar power panels, astronomical telescopes, indexing tables, hoists, conveyors, or various other process or materials handling systems where huge torques/slower speeds are needed.

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

Enclosed Gears / Gearboxes
Enclosed gears, also called gearboxes or quickness reducers, are open gears within a housing. The casing supports bearings and shafts, holds in lubricants, and protects the elements from surrounding circumstances. Gearboxes are available in a wide selection of load capacities and quickness ratios.

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

Basic Types of Gearboxes

Worm Gear Speed Reducers
A single reduction acceleration reducer can achieve up to a 100:1 reduction ratio in a small package. Referred to as right position drives, these contain a cylindrical worm with screw threads and a worm. With an individual begin worm, the worm equipment advances only 1 tooth for each 360-degree change of the worm. So, whatever the worm’s size, the gear ratio is the ‘size of the worm equipment to 1′. Higher decrease ratios can be created through the use of double and triple reduction ratios.

Helical Gear Speed Reducers
Provide high-efficiency speed decrease 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 generally operate with their shafts parallel to one another. Both most common types will be the concentric (input and result shafts are in series) and parallel shaft (input and result shafts are offset). Single-stage helical gear reducers are usually used for equipment ratios up to about 8:1. Where cheaper speeds and higher ratios are necessary, double, triple, and quadruple equipment reduction stages may be used.

Cycloidal Disc Speed Reducers
Different from conventional gearing because they operate without a high swiftness pinion or equipment teeth, and the components operate in compression rather than shear. This is due to the style of the cycloidal discs that roll within a band gear housing, comparable to a planetary style. The primary components are the eccentric cam, the internally flanged result shaft, the discs, and the ring gear casing.

Three Mounting Options
(L-R) Base 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 possess a hollow output shaft that slips more than the driven shaft.

A gearmotor combines a specific gearset with a engine. A motorized reducer resembles a gearmotor except that it is driven by another NEMA C-face motor.

Seals and Breathers
Seals are used between the gear housing and input and result shafts to retain essential oil and block dirt. The mostly utilized type, the radial lip seal, contains a metal casing that fits in to the casing bore and an elastomeric sealing lip that presses on the shaft. Labyrinth seals are make use of for high-acceleration applications, and consist of a housing with a series of rings that limit leakage. A breather is certainly a plug with a hole that’s mounted in the gear housing allowing airflow and relieve internal pressure.

Lubrication
Enclosed gears are usually lubricated with oil. The most typical types of essential oil are rust and oxidation inhibiting, severe 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 system and a circulating system
Worm Reduction Gearbox Software:

Worm drives certainly are a compact method of substantially decreasing quickness and increasing torque. Small electric motors are generally high-speed and low-torque; the addition of a worm drive increases 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 devices, and on rudders. Furthermore, milling heads and rotary tables sit using high-precision duplex worm drives with adjustable backlash.