planetary gear reducer

Ever-Power’s worm gear reducers are designed with a hollow bore and invite for a corner switch with optional dual output. 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 right angle gearboxes are designed with five mounting choices providing versatility when incorporating the reducer into item.
The right angle bevel gearbox combines the top features of our right angle worm and planetary inline reducers. With a solid and efficient correct angle configuration, our right angle planetary gearboxes provide a robust solution. The proper angle bevel gearbox will come in 18 ratios ranging from 5:1 to 1000:1, in fact it is back-drivable at all ratios.
Our I-Series little planetary gearbox configurations supply the smallest footprint and quietest operation of our speed reducers. These gearboxes are made to deal with 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 material gears for noise-sensitive applications.
Our inline planetary gearbox configurations provide the highest performance and best result torque of all our velocity 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 have a solution to fit your needs.
Parallel shaft gearboxes are the top choice for constant duty applications. Their equipment cluster design provides a highly effective method for dissipating temperature. Parallel shaft gearboxes possess 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.
High torque capacity in a concise package – Due to the load sharing of several world gears, planetary gear reducers can handle the same torque that a bigger parallel axis gear set may take. Although planetary equipment sets will likely have more components than a parallel axis equipment set, the smaller-size-for-equivalent-torque planetary reducer will be less expensive.
High efficiency – An individual stage of planetary gears will likely be over 95 percent effective.
High reduction ratios – Ratios as high as 11:1 may be accomplished in one planetary gear stage whereas it really is difficult to achieve much higher than 5:1 in one parallel axis stage. However, it is not possible for planetary sets to accomplish a ratio much under 3:1 because of geometric interferences. A parallel shaft set is not limited on low ratios because they can be as far down as 1:1 (idler gear).
High torsional stiffness – Since the sun gear will likely contact multiple planet gears, the torsional stiffness, or resistance to elastic deformation, is higher in a planetary gear set than parallel axis gear set[ii].
Lubrication versatility – Planetary gear sets may be lubricated with either oil or grease. The gears within a planetary arranged prevent grease from escaping, unlike standard spur equipment sets, and constantly redistribute the lubrication allowing for many different installation orientations[iii].
Integrated casing option – The ring equipment in a planetary set may be designed such that it is also the outer housing for the entire gearbox. Reducing the amount of components reduces assembly time and part cost adding to the bottom line.
Coaxial alignment & Path of Rotation – The output shaft on a planetary gear arranged is “coaxially-aligned” with the motor shaft meaning they share the same axis. The planetary output shaft also rotates in the same path as the motor whereas the result shaft on a single-stage parallel axis equipment set rotates opposite of the motor direction. If an offset of the output shaft is desired, a parallel axis gear set may be added to the planetary arranged, or a full parallel axis gear set may be used.
Thermal capacity – since the size of a planetary gear reducer is definitely smaller sized than that of the same torque capacity parallel axis unit, the thermal capacity will not be as high on the planetary gear reducer-making this kind of reducer a good easily fit into intermittent duty applications. Planetary gear reducers can still run continuously, but measures may have to be taken to prevent the gearbox from overheating.
Construction equipment
Door & gate openers
Food & beverage mixers
Material handling equipment
Medical devices
Packaging equipment
Power tools
Vehicle transmissions
Wind generation
Planetary equipment reducers have many positive features and advantages more than other styles of gear reducers. Get in touch with Ever-Power today and have about fractional horsepower planetary gearmotors for your included motion solution.
Planetary Reducer for NEMA23 (Flange=57mm) Stepper Motor
Step distance precision 5 %
Precision less than 15 Arcmin
Material aluminum alloy shell
Longevity, High precision, Low noise
Specifications for this item
Brand Name Ever-Power
EAN 0737080768390
Material aluminum alloy
Model Number 57PX
Number of Items 1
Part Number 57PX-10
Size 10:1
Style Ratio 10:1
UNSPSC Code 26101200
UPC 737080768390
Our Planetary Gearing series can be used in industrial applications. From mining fluid recovery to amusement rides.
It features an inline design that provides ratios of decrease from 1.1:1, to 50,000:1; regular within a stage housing!
Our planetary reducers combine high load capacity, with a smooth and quiet operation. Our line includes a long operating existence, all in a single very compact package.
Planetary speed reducer operating principle
The planetary speed reducer & gearbox is a kind of transmission mechanism. It utilizes the acceleration transducer of the gearbox to reduce the turnover number of the motor to the mandatory one and obtain a big torque. How will a planetary gearbox work? We can find out more about it from the structure.
The primary transmission structure of the planetary gearbox is planet gears, sun gear and ring gear. The ring gear is positioned in close get in touch with with the internal gearbox case. Sunlight equipment driven by the external power lies in the guts of the ring equipment. Between your sun gear and band gear, there is a planetary gear set comprising three gears equally built-up at the planet carrier, which is definitely floating among them relying on the support of the result shaft, ring gear and sun gear. When sunlight equipment is definitely actuated by the input power, the earth gears will be powered to rotate and then revolve around the guts along with the orbit of the ring gear. The rotation of the planet gears drives the output shaft linked with the carrier to output the power.
Planetary speed reducer applications
Planetary speed reducers & gearboxes have a lot of advantages, like small size, light weight, high load capability, long service life, high reliability, low noise, huge output torque, wide range of speed ratio, high efficiency and so forth. Besides, the planetary quickness reducers gearboxes in EP are created for square flange, which are easy and convenient for installation and ideal for AC/DC servo motors, stepper motors, hydraulic motors etc.
Due to these advantages, planetary gearboxes can be applied to the lifting transportation, engineering machinery, metallurgy, mining, petrochemicals, structure machinery, light and textile market, medical equipment, instrument and gauge, car, ships, weapons, aerospace and other industrial sectors.
Multi-stage modular design
Easy customization
Modular add-on accessories
Ground gears (bevel and planet wheels)
Easy to fit in any industrial application
Reduced maintenance intervals
Easy maintenance
Globally product and service support


PTO Drive Shaft

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