Our worm equipment reducers offer a choice of a good or hollow result shaft and feature an adjustable mounting position. Both SW-1 and the SW-5, nevertheless, can endure shock loading better than other reduction gearbox styles, making them well suited for demanding applications.
Rugged compression-molded glass-fill up polyester housing
Light-weight and compact
Range of ratios
SW-1, 3.5:1 to 60:1
SW-5, 5:1 to 100:1
Solid or Hollow output shaft
Adjustable mounting position
Worm Gear Speed 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 Applied to Both Shaft Ends
Anti-Rust Primer Applied Outside and inside Gearbox
Shaft Sleeve Protects All Shafts
S45C Carbon Steel Shafts
Flange Mount Models for 56C and 145TC Motors
Our standard 700 Series – the heart of EP Gear’s acceleration reducer product line – has been serving industry reliably for over 40 years. Its proven modular design has set the sector standard for overall performance and is the most imitated product in today’s worm gear acceleration reducer market. But why accept a knock-off when you can have the initial – from EP Gear.
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 result bore diameters from 5/8″ to 3-7/16″ (with over 20 bore sizes in share)
The 700 Series’ large oil reservoir provides efficient heat dissipation and lubrication for longer operating lifestyle.
Its multi-position mounting versatility permits installation in practically any position.
Housings are straddle-milled, top and bottom, 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 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 increase thrust and overhung load capacities, sizes 713-760.
Our 700 Series’ high-strength steel output 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 existence.
Both 2D and 3D CAD drawings are available in our eCatalog.
Correct angle gearboxes (worm and planetary) are tough and built for 90° turns. Inline reducers (parallel shaft and planetary) are an ideal match for motors with high insight speeds, or when gearmotor efficiency is important. Contact our technical sales staff for help determining which gearbox answer is most beneficial for you.
RIGHT ANGLE REDUCERS
WORM GEAR REDUCER
EP’s worm gear reducers are designed with a hollow bore and allow for a corner change with optional dual output. The reducers can be found in 12 ratios ranging from 5:1 to 100:1, with non-back-drivable ratios 30:1 and higher. Our correct angle gearboxes were created with five mounting options providing flexibility when incorporating the reducer into product.
RIGHT ANGLE BEVEL GEARBOX
The proper angle bevel gearbox combines the top features of our correct angle worm and planetary inline reducers. With a good and efficient correct angle configuration, our correct angle planetary gearboxes offer a robust solution. The proper angle bevel gearbox comes in 18 ratios ranging from 5:1 to 1000:1, and it is back-drivable at all ratios.
I-SERIES PLANETARY GEARBOX
Our I-Series little planetary gearbox configurations supply the smallest footprint and quietest procedure of our swiftness reducers. These gearboxes are designed to manage varying loads with little backlash. With body sizes 52cm, 62cm, and 81cm, 12 ratios which range from 5:1 to 308:1, we’ve a solution to fit your needs. Our 52 frame size can be available with plastic-type gears for noise-delicate applications.
INLINE PLANETARY GEARBOX
Our inline planetary gearbox configurations provide the highest effectiveness and best result torque of most our rate reducers. These gearboxes are created to handle varying loads with little backlash. Planetary equipment reducers operate more quietly than parallel shaft reducers. With 18 ratio options which range from 5:1 to 1000:1, we’ve a solution to suit your needs.
PARALLEL SHAFT GEARBOX
Parallel shaft gearboxes are 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 equipment reducers offer an affordable drop-in alternative solution for most small parallel shaft gearmotors.
Wormwheel gearboxes go by several names, including 90-degree gearboxes, right position gearboxes, acceleration reducers, worm gear reducers and worm drive gearboxes. Gear reduction boxes include a gear arrangement in which a gear in the type of a screw, also known as a worm, meshes with a worm equipment. These gears are typically made from bronze and the worms are steel or stainless steel.
While worm gears are similar to a spur equipment, the worm gearboxes are considerably smaller than other equipment reduction boxes. A main benefit of worm equipment reducers can be that they produce an output that is 90° from the input and can be utilized to transmit higher torque or reduce rotational speed. Frequently, a worm gearbox offers right hand threads; to change the path 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 Gear Reducers are available 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 engine quill style insight flanges or shaft inputs, come pre-filled with synthetic oil and have a 12 months warranty.
Tapered roller bearings on 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
OUTPUT SPEED (RPM) 175
OVERHUNG LOAD LBS. 300
MANUFACTURERS PART Quantity HdRS133-10/1-R
CROSS REFERENCE Boston 713; Grove B213
DESCRIPTION Cast Iron Correct Ange Worm Gear Reducer
BACKLASH (FT.) (ANGULAR Moments) 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 speed reducers are available 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 lbs for the EP-200. Mechanical HP input 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 installed.
These reducers are ideal for water/waste-water products drive applications such as thickeners and clarifiers, which need a vertical down shaft. Other offered configurations also make Ever-Power triple worm reduction gearbox decrease reducers perfect for make use of on mixers, elevators, solar panels, astronomical telescopes, indexing tables, hoists, conveyors, or other process or components handling systems where huge torques/slower speeds are needed.
These reducers are also available with a helical primary reduction stage and are termed the HDVM series
Enclosed Gears / Gearboxes
Enclosed gears, also known as gearboxes or velocity reducers, are open gears within a housing. The housing supports bearings and shafts, keeps in lubricants, and protects the components from surrounding conditions. Gearboxes are available in a wide range of load capacities and velocity ratios.
The purpose of a gearbox is to improve or reduce speed. As a result, torque output would be the inverse of the function. If the enclosed drive can be a velocity reducer, the torque output will increase; if the drive raises speed, the torque output will decrease. Gear drive selection elements 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 acceleration reducer can achieve up to 100:1 decrease ratio in a small package. Referred to as right angle drives, these contain a cylindrical worm with screw threads and a worm. With a single start worm, the worm gear advances only one tooth for every 360-degree change of the worm. So, regardless of the worm’s size, the apparatus ratio is the ‘size of the worm equipment to 1′. Higher decrease ratios could be created through the use of double and triple reduction ratios.
Helical Gear Speed Reducers
Provide high-efficiency speed reduction through 1, 2, 3, or 4 models of gears. Power can be transmitted from a high-quickness pinion to a slower-speed gear. Helical gears usually operate with their shafts parallel to one another. Both most common types will be the concentric (insight and output shafts are in line) and parallel shaft (insight and result shafts are offset). Single-stage helical gear reducers are typically used for gear ratios up to about 8:1. Where reduced speeds and higher ratios are required, double, triple, and quadruple gear reduction stages may be used.
Cycloidal Disc Speed Reducers
Different from conventional gearing because they operate without a high rate pinion or gear teeth, and the parts operate in compression rather than shear. This is because of the design of the cycloidal discs that roll within a band gear housing, comparable to a planetary style. The main components will be the eccentric cam, the internally flanged result shaft, the discs, and the ring gear housing.
Three Mounting Options
(L-R) Bottom 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 over 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 output shafts to retain oil and block dirt. The mostly utilized type, the radial lip seal, includes a metallic casing that fits in to the casing bore and an elastomeric sealing lip that presses on the shaft. Labyrinth seals are use for high-acceleration applications, and consist of a housing with a series of rings that limit leakage. A breather is usually a plug with a hole that’s mounted in the gear housing to permit airflow and relieve internal pressure.
Enclosed gears are generally lubricated with oil. The most common types of essential oil are rust and oxidation inhibiting, extreme pressure, compounded, and synthetic. Other styles consist of 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 Program:
Worm drives certainly are a compact method of substantially decreasing swiftness and increasing torque. Little electric motors are usually high-speed and low-torque; the addition of a worm drive increases the selection of applications that it may be suitable for, particularly when the worm drive’s compactness is considered.
Worm drives are found in presses, in rolling mills, in conveying engineering, in mining sector devices, and on rudders. Furthermore, milling heads and rotary tables are positioned using high-precision duplex worm drives with adjustable backlash.