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helical speed reducer

“EP series” inline helical gear reducers include a HP selection of ¼-100 HP, 37-147 mm box sizes, 2:1-120:1 speed ratios and a cast iron housing for unquestioned strength and reliability. Offered in a variety of NEMA C-encounter quill style motor input flange configurations, the “EP” series allows users to very easily locate off-the-shelf NEMA motors instead of custom gear motors with special 1st pinion gears. EP’s bolt hole pattern, foundation to center line height, output shaft diameter and usable shaft duration match the “R” group of the inline market head making plant retrofitting a breeze.
Product Features
2:1 – 120:1 ratios (other ratios offered as custom orders)
Box sizes 37 – 147
Built for high effectiveness, high power, and low noise
All cast iron housings for unquestioned strength and reliability
Wide range of ratios from 2:1 to 120:1
Horsepower range between 1/4 HP to 100 HP
Gears are precision floor for better rotation and quieter operation
Gearbox flanges are created to accept NEMA C-Face electrical motors
Drop-in for some major European-produced Inline reducer brands
2-year warranty
The precision planetary equipment units of the EP series with ground helical gearing and preloaded dual taper roller bearings guarantee low-noise synchronism due to their immense load carrying capacity and rigidity even under high load circumstances. The one-piece planet carrier and the integrated needle roller bearings allow the transmission of high torques. The additional shaft sealing ring ensures maximum protection against dirt and splash water relative to protection class IP65.
The selection of an appropriate planetary gear for your
individual application.
Short delivery time
Small quantities available on short notice. Delivery
time for larger amounts or special requests needs to be
checked individually
CAD drawings
Drawings for all series can be found on request
For personalized solutions we draw from a huge range of
single components. Based on demand they may be
combined for you in a flexible way
EP isn’t only known because of its comprehensive manufacturing
expertise. Our customers also revere us as experienced partners in
drive technology. This experience is the foundation of our planetary gear
We place great importance on your versatility in the configuration and
program of our planetary gears. Being faithful to your motto customer
satisfaction is always important.
Our high quality standards apply to most our planetary gearbox series.
Included in these are especially high gearing quality, low backlash and long
service life.
Fast response to customer requests and continuous additional development of our planetary gears is certainly our driving force.
Close grained cast iron housing and flanges
Hardened metal helical gearing for long life
Anti-friction bearings
Double lip seals guard against oil leakage
Optional steel bolt-on base
Double bearing design upon input and output shaft
EP Gear’s 800 Series contains a focused collection of compact, heavy duty helical gear drives that offer long-life performance and simplified maintenance. A broad range of reduction ratios suit a straight broader range of specifications, while a number of insight shaft configurations maximize versatility. In addition, the number of products that complement this series of gear drives make it an ideal choice for today’s commercial distributor.
The 800 Series offers a functional interchange for ep and other European producers’ helical gear drives,making it uniquely practical for replacement applications.
Four basic sizes 1/6 – 10 HP
Over 40 different ratios 1.5:1 – 71:1 double-reduction ratios 36:1 – 250:1 triple-reduction ratios
Non-flanged and NEMA c-face input styles
Base-mount and output flange-mount models available
Output-shaft diameters from 3/4″ to at least one 1 5/8″
The standard NEMA C-face design will accept any standard NEMA engine, which makes it exceptionally versatile.
Ratios up to 70:1 in just two stages means increased efficiency and reduced case size.
Available oil seals simplify program product maintenance.
All units could be double sealed upon both the input and result to withstand the rigors of even the most demanding applications.
800 Series drives come pre-filled with synthetic lubrication for your unique mounting position.
Sizes 3 and 4 are lubricated for life which promotes trouble-free procedure.
Washdown duty units in white or stainless steel epoxy coatings make these equipment drives perfect for the most serious Washdown.
Right angle bevel speed reducers decrease speed and increase torque from the driver end to the driven result in a drive system. They possess a beveled gear which allows the reducer to rotate in both directions and operate with low sound and vibration. They are typically made out of durable, corrosion-resistant components like stainless steel.
Wide variety of accessories and nonstandard designs
Single piece housing with high structural stiffness
Easy and functional shaft-mounting design
Minimum maintenance requirements
High, reliable and tested performance
Suitable for the heaviest duties
This economical aluminum body helical speed reducer provides highly reliable power transmission for general purpose applications. These gearboxes offer affordable operation and superior efficiency over similar products.
5 sizes with aluminum housings
Torque capacity from 200-6000 inlbs
Ratios from 2.5:1 to 600:1
Output shafts in in . or metric dimensions
Insight adapters for NEMA and IEC motors
Mounting via foot, encounter or bolt-on flange
The exclusive usage of the involute helicoid thread form on the worm and gear offers high efficiencies and long service existence on draglines and shovels. The hardened,floor and polished alloy metal worm develops a soft, work hardened surface on the bronze gear. For this reason, the worm gears use in and improve with prolonged service while other gears are wearing out.
Hardened, shaved or floor helical gears
Hollow & solid output shafts
Vertical & horizontal mountings
Fan cooled (standard)
Motor mounts
Cast iron or steel housings available

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