worm reduction gearbox

Our worm equipment reducers offer a choice of a solid or hollow output shaft and feature an adjustable mounting position. Both the SW-1 and the SW-5, nevertheless, can withstand shock loading better than other reduction gearbox designs, making them well suited for demanding applications.
Rugged compression-molded glass-fill 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 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 Style for OEM Replacement
Double Bearings Used on Both Shaft Ends
Anti-Rust Primer Applied Inside and Outside Gearbox
Shaft Sleeve Protects All Shafts
S45C Carbon Metal Shafts
Flange Mount Versions for 56C and 145TC Motors
Our standard 700 Series – the heart of EP Gear’s speed reducer product line – has been serving industry reliably for over 40 years. Its proven modular design has set the industry standard for efficiency and is the most imitated product in the current worm gear quickness reducer market. 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 double 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 stock)
Product Features
The 700 Series’ large oil reservoir provides efficient heat dissipation and lubrication for longer operating life.
Its multi-position mounting flexibility allows for 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 venting.
The 700 Series’ rugged casing, fabricated of fine-grained, gear-quality cast iron, provides optimum strength for optimum durability, in addition to 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 result 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 lifestyle.
Both 2D and 3D CAD drawings can be found in our eCatalog.
GEARBOX REDUCERS
Correct angle gearboxes (worm and planetary) are durable 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. Get in touch with our technical sales personnel for help determining which gearbox remedy is best for you.
RIGHT ANGLE REDUCERS
WORM GEAR REDUCER
EP’s worm equipment reducers are designed with a hollow bore and allow for a corner turn with optional dual result. The reducers come in 12 ratios ranging from 5:1 to 100:1, with non-back-drivable ratios 30:1 and higher. Our right 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 correct angle planetary gearboxes provide a robust solution. The right angle bevel gearbox will come in 18 ratios which range from 5:1 to 1000:1, in fact 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 acceleration reducers. These gearboxes are created 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 fit your needs. Our 52 frame size can be available with plastic-type gears for noise-sensitive applications.
INLINE PLANETARY GEARBOX
inline-planetary-gearbox
Our inline planetary gearbox configurations provide the highest performance and best result torque of all our rate reducers. These gearboxes are created to handle varying loads with little backlash. Planetary gear 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 fit your needs.
PARALLEL SHAFT GEARBOX
parallel-shaft-gearbox
Parallel shaft gearboxes are the top choice for continuous duty applications. Their equipment cluster design provides an effective method for dissipating temperature. Parallel shaft gearboxes possess the shortest length of our inline gear reducer options therefore they work very well in conditions with limited space. Our parallel shaft equipment reducers offer an affordable drop-in substitute solution for most little parallel shaft gearmotors.
Wormwheel gearboxes go by several names, including 90-degree gearboxes, right position gearboxes, speed reducers, worm gear reducers and worm drive gearboxes. Gear reduction boxes include a gear arrangement when a equipment in the type of a screw, also known 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 gear, the worm gearboxes are considerably smaller than other equipment reduction boxes. A principal benefit of worm gear reducers is definitely that they generate an output that’s 90° from the input and can be utilized to transmit higher torque or reduce rotational speed. Most often, a worm gearbox provides right hand threads; to change the path of the output, a left-hands thread worm gearbox is required.
Worldwide HdRS133-10/1-R Cast Iron Right Angle Worm Equipment 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 units have got a one piece #Fc20 all cast iron housing, NEMA engine quill style insight flanges or shaft inputs, come pre-packed with synthetic oil and have a 1 year warranty.

Features:
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 dark 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 Right Ange Worm Gear Reducer
BACKLASH (FT.) (ANGULAR Moments) 27
Result 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 velocity reducers are available in ratios from 5000:1 to 175,000:1 and middle 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 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 ideal for water/waste-water equipment drive applications such as for example thickeners and clarifiers, which need a vertical straight down shaft. Other obtainable configurations also make Ever-Power triple decrease reducers perfect for make use of on mixers, elevators, solar power panels, astronomical telescopes, indexing tables, hoists, conveyors, or other process or materials handling systems where huge torques/sluggish speeds are needed.

These reducers are also offered with a helical major reduction stage and are termed the HDVM series

Enclosed Gears / Gearboxes
Enclosed gears, also referred to as gearboxes or quickness reducers, are open gears contained in a housing. The casing supports bearings and shafts, holds in lubricants, and protects the components from surrounding circumstances. Gearboxes are available in a wide variety of load capacities and acceleration ratios.

The purpose 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 speed reducer, the torque result increase; if the drive raises speed, the torque result will decrease. Gear drive selection elements include: shaft orientation, velocity ratio, design type, nature of load, gear rating, environment, mounting position, operating temperature range, and lubrication.

Basic Types of Gearboxes

Worm Gear Speed Reducers
A single reduction rate reducer can achieve up to a 100:1 reduction ratio in a little package. Referred to as right angle drives, these consist of a cylindrical worm with screw threads and a worm. With a single begin worm, the worm gear advances only 1 tooth for every 360-degree switch of the worm. So, regardless of the worm’s size, the gear ratio may be the ‘size of the worm equipment to 1′. Higher decrease ratios can be created by using double and triple reduction ratios.

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

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

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

Base-mounted reducers, which have feet for bolting, are 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 another NEMA C-face motor.

Seals and Breathers
Seals are used between your gear housing and input and output shafts to retain essential oil and prevent dirt. The mostly used type, the radial lip seal, contains a metallic casing that fits in to the housing bore and an elastomeric sealing lip that presses on the shaft. Labyrinth seals are make use of for high-quickness applications, and consist of a housing with some bands that limit leakage. A breather is definitely a plug with a hole that is mounted in the apparatus housing to permit airflow and relieve internal pressure.

Lubrication
Enclosed gears are generally lubricated with oil. The most typical types of oil are rust and oxidation inhibiting, extreme pressure, compounded, and synthetic. Other types 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 Software:

Worm worm reduction gearbox drives certainly are a compact method of substantially decreasing acceleration and increasing torque. Small electric motors are usually high-speed and low-torque; the addition of a worm drive escalates the range of applications that it might be suitable for, specially when the worm drive’s compactness is known as.

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.

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