Due to their design and from being coupled with a helical gear stage, the helical-worm gearmotors S..DR.. have particularly high efficiency. Also, they are extremely low-noise and thus avoid high noise emission levels.
Low-noise continuous operation: gear unit combination optimized with respect to efficiency
Do you expect a drive answer to impress you using its high level of functionality and efficiency? If so, we’d recommend our high-quality helical-worm gearmotors EP for you. These could be implemented individually in the modular system. In this way, they offer you an enormous range of sizes, equipment ratios and electric motor sizes.
However, their greatest power is definitely their running smoothness and their extremely low noise development. One thing is for certain – With the helical-worm gearmotors EP you are choosing a powerful drive solution which you will hardly actually hear.
The overall concept also offers you many more practical product characteristics and benefits. Included in these are the significantly higher performance of the helical-worm combinations as opposed to single helical-worm gear devices. This is one way you save additional energy in the procedure of your systems and are in a position to noticeably reduce ongoing operating costs.
You will have the low-noise helical-worm gearmotors EP. – to suit your individual requirements – with a wide range of AC motors. In addition, you can freely configure all of the relevant properties. In this manner, you can effectively make use of all the benefits offered by this mixture of low-noise helical-worm equipment unit and performance-optimized electric motor. Even greater variance can be achieved thanks to the optional flange or foot-mounted style and by selecting between solid and hollow shaft.
Save money and time
By opting for one of our gearmotors, you are already saving money and time with this selection and task planning. This is because our modular system enables a multitude of mixture options for gear systems and motors. You can as a result reduce operating costs, count on a long service life and benefit from simplified maintenance that is characteristic of our brand.
Helical-worm gear units
Helical-worm combinations with significantly better efficiency than single helical-worm gear units
Very low-noise operation
Foot- or flange-mounted
B5 or B14 flange-mounted
Solid or hollow shaft
Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or Ever-Power
More on helical-worm gear units of series EP
Combine the helical-worm equipment unit with our AC motors:
Quiet and reliable transmission of torque
High overload capacity
Hardened steel worm gear and bronze alloy worm wheel provide exceptional sturdiness and long service life.
Optional durable bearings deliver high radial and axial load capacity
High strength cast iron housing (SK02050 – SK43125)
Lightweight, corrosion-resistant light weight aluminum alloy housing (SK02040.1)
Application Specific Solutions
Fields of use
Solid and Hollow shaft (keyed, shrink disc ) Designs
Obtainable in footed, shaft attach or flange mounted configurations
Right Angled gear units
High permitted overhung loads
Helical-worm Gearmotor S Series
Ever-Power helical-worm gear units are helical/helical-worm combinations, so they are better than normal helical-worm gear units. Due to their outstanding effectiveness, these drives can be utilized in every industrial sector and tailored to individual torque and speed requirements. The decrease ratios afforded by the helical-worm equipment stage and the low noise levels during procedure make these gearmotors ideal low-cost solutions for basic applications.
Foot-mounted or flange-mounted
B5 or B14 Flange-mounted
Solid or hollow shaft
Hollow shaft with keyed connection, shrink disc, splined hollow shaft
Helical worm geared motors
Tough, compact, eye-catching!
Because of the unique mixture of optimized worm wheel material with unique lubricants, optimized shape, this powerful motor achieves high levels of effectiveness and torque. The housing machined on all sides allows diverse mounting options. Dual chamber shaft seals are utilized as standard.
The reduced contour design helps it be suitable for implementing applications e.g. in the food industry. The housing has no recesses, which simplifies cleaning – an especially important feature for areas with stringent hygiene requirements.
Number of sizes:6
Power Range:0.12 – 7.5kW
helical worm gear motor Output torque range:50 – 1,300Nm
Ratio:3 – 3,400
Output option:output shaft, output shaft on both sides, hollow shaft, hollow shaft with shrink disc
Assembly/mounting:uniblock, flange, torque arm, foot
Course 12 Helical and hardened and surface worm gears: Provides higher efficiencies and higher torque capacity in smaller sized sizes.
Multiple Input Options: Integral gear motors, inch or metric shafts, NEMA, IEC, and servo adapters provide unmatched drive versatility.
Multiple Output Options: Hollow bores and shrink disks for shaft installation, inch and metric result shafts, installation pilots and flanges provide an array of design solutions.
UNIBLOCK Housing: For maximum rigidity universal mounting on five sides or via a torque arm.
Sealed for Washdown: Helps to keep contaminants and water out.
Worldwide Motor: Multiple leads and windings for worldwide multi volt/Hz requirements in addition modular design to simply accept brakes, encoders or forced cooling.
EP equipment motors are economical, right-angle, worm-geared motors that install easily in the tightest applications. Economical right angle worm geared motors established new specifications for reliability, effectiveness and economic climate with unparalleled features which includes hollow shafts in the tiniest sizes. An inverter friendly style offers easy integration today and a future proof answer. The EP gear motor offers total versatility in mounting options includes shaft, base, face, and flange solutions. The engine terminal box can be mounted in alternate positions rotated in 90º steps around the motor frame providing for unparalleled integration opportunities.
EP gear motors adhere to UNITED STATES and International requirements, including NEMA, IEC, CSA, and CE, the EP series permits worldwide acceptance, a genuine total answer for our global clients.
Superior protection of IP65 acc. to IEC 529 assures you that the EP series is usually dust tight and hose proof,and can be used outside or in wet and dusty environments without the use of additional enclosures. Full rated output is offered by the output shaft of the unit.
Power rating up to 5,5 kW.
Torque 25 … 1.000 Nm
Output Speeds 0,2 … 300 min-1
versatile installation possibilities
Totally enclosed, sealed against dust and water spray
Lubrication change first after 15000 hrs
Low noise gearing
Mains connection 110 … 690V, 50/60Hz
Enclosure IP65 (Standard), IP66 (Optional)
Connection Standard with CAGE CLAMP®
Connecting with Plug connectors.
With included inverter up to 7,5kW.
CSA, UL, ATEX, GOST, CCC, ISO9001, ISO14001, OHSAS18001
Motors according to Sobre 60034
Corrosion category predicated on DIN ISO 12944-5
C1, C2, C3, C4, C5-We, C5-M
Because of the unique mixture of optimized worm wheel materials with particular lubricants and optimized shape, this powerful geared engine achieves high levels of performance and torque. The reduced contour design helps it be ideal for implementing applications e.g. in the meals industry. The housing has no recesses, which simplifies cleaning – a particularly important feature for areas with stringent hygiene requirements.
Nominal torque: 50 – 1300 Nm
Rated power: 0.12 – 7.5 kW
Ratio: 3 – 3400
The 800BR contains a wide selection of compact, heavy duty helical gear drives with extended life performance features and simplified maintenance. The usage of state of the art helical and worm equipment combinations affords optimum functionality fulfilling a multitude of ratio requirements. The 800 BR is definitely functionally interchangeable with many major manufacturer’s drives.
Double and triple reduction ratios from 8:1 to 900:1,
4 case sizes – 830, 840, 850, 860
All models shipped pre-lubed for your unique installation position with KluberSYNTH UH1 6-460
Obtainable in NEMA C-face flanged and immediate input
Projecting and hollow result shafts
Output flange kits
Torque arm kits
Output shaft kits
Available in nontoxic white (BK) and stainless epoxy finish (SBK)
Obtainable in hollow or projecting result shafts
Dual and triple reduction ratios
Flanged or foot mounted
All units adaptable to floor, sidewall or ceiling mounting
Helical worm geared motor
0,12 – 5,5 kW
4 – 996 Nm / 6 – 316 rpm
Stober MGS S helical worm geared motor
Efficient small right-angle geared electric motor. A favorably priced alternate for the standard tasks expected of a right-angle drive.
5 gear sizes (S0 to S4).
Electric motor power 0.12 to 5.5 kW.
Rated torque of 23 to 800 Nm.
Gear ratios from i = 6 to 680.
Backlash smaller than 20 arcmin.
Modular, torsionally stiff , leak-proof design.
Helical worm geared motors obtainable with:
Solid shaft with keyway.
Hollow shaft with keyway, optional with cover.
Hollow shaft with shrink disk, optional with cover.
Gear unit and AC engine are directly flange mounted, the pinion is upon the electric motor shaft. This integrated compact design is an essential aspect for the high accuracy and the remarkable stiffness of EP geared motors.
For vector-controlled inverter procedure utilization of an incremental encoder is provided for as standard.
Worm gearboxes and helical worm gearboxes / geared motors (S and SS)
The degree of efficiency in Ever-Power high performance worm gearboxes and helical worm gearboxes is more than 90%. All worm shafts are made from case hardened alloy metal and the flanks are precision surface. The worm tires are made from unique wear-resistant bronze. Helical worm gears include a helical equipment. Worm gears with shrink disc, torque limiter, as well as adjustable backlash designs are also part of our standard product range.
Worm gearboxes and helical worm gearboxes type S and SS are high-Efficiency gearboxes in universal style. The housings are produced from high quality cast iron. The rugget walls and inner ribbing ensure incredibly torsional stiff and noise dampening housings. The external ripping provides a rapid heat conducting.
Type S und SS
Optimised size/performance ratio
Designed for permanent operation under rough circumstances
Above average lifespan
Housing produced from high quality grey cast iron with rugged walls and internal ribbing
Severe torsional resistance and low noise
Case hardened worm shafts and worms with precision surface flanks
Worm wheels produced from unique bronze
Superior smooth operation
Space saving angular drive
Helical worm gearboxes equipped with helical gear wheel
Low engine speeds
Basic mounting, flange installation or universal design
Output shaft available as solid shaft or hollow shaft
Shrink disc, torque limiter,along with adjustable backlash
Second shaft end for fitting encoders or brakes
Free input shaft
ATEX specification according to directive 94/9/EG