worm reduction

Our standard 700 Series – the heart of Ever-Power speed reducer products – has been serving industry reliably for over 10 years. Its proven modular style has set the sector standard for performance and may be the most imitated product in the current worm gear speed reducer marketplace. But why settle for a knock-off when you can have the original – from Ever-Power.
Specifications
11 basic solitary 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 share)
Product Features
The 700 Series’ huge oil reservoir provides efficient heat dissipation and lubrication for longer operating existence.
Its multi-position mounting versatility allows for installation in virtually any position.
Housings are straddle-milled, best and bottom level, 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 maximum strength for maximum durability, along with greater precision during worm and gear alignment.
Ever-Power 700 Series high-strength bronze worm equipment 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 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 can be found in our eCatalog.
Ever-Power worm gearboxes possess earned a status to be a business benchmark worldwide. Our success came from our relentless drive for quality with state-of-the-art technology, all and will be offering worm gearboxes are affordable prices. High flexibility accorded through a wide choice of mounting choices, shaft configurations and engine interfaces, makes the Ever-Power worm gearbox the default choice for the market. The helical-worm and the double-worm edition, with or without the torque limiter, add up to the advantage, creating a highly versatile drive system.
Ever-Power Worm gearboxes provide high torque with low swiftness gear ratio. Being simple and compact in design, these gears can perform higher gear ratio than the helical gears. These worm reduction gears having screw type characteristics act like helical gears, but its helix angle is typically comparatively bigger) and its body is normally quite lengthy in the axial path. The gears in these gearboxes can be correct or left-handed dependant on the purpose.
Mounting choice include universal housing, side flanges, foot (horizontal and vertical), shaft mounted with torque arm. Available in Solid shafts (one or double), with torque arm or torque limiter.
Worm reduction gears features
Principles
A worm gear is a kind of interlocking gear composed of a worm shaft and worm wheel. The worm is certainly shaped just like a screw and the worm wheel is certainly a kind of gear machined to get a tooth profile with the same configuration.
The procedure of a worm gear is comparable with that of a bolt and nut. The principle is the same as a nut that has been fixed to ensure that it cannot rotate and for that reason progresses in the axial path when the bolt is turned.
The look of a worm gear is thought of through the relationship between your rack and spur gear on the middle plane of the worm wheel.
Features
High reduction ratio One rotation of the worm rotates the worm wheel simply by one tooth. For this reason, in a 1 speed reduction gears, the wheel can be manufactured so that it’ll be rotated 1/60 (1/120 in unique applications).
Orthogonal shaft The shafts are aligned orthogonally due to the structure. This feature can help you layout the turning tranny direction at the right angle.
The arbitrariness of the rotation direction The screw direction of the worm could be clockwise or counterclockwise (generally clockwise). You’ll be able to change the rotation direction of the worm wheel by changing the screw direction.
A multitude of shaft layouts The wide selection of shaft layouts is among the features of interlocking gears.For example, right shaft output, remaining shaft output, dual shaft input and dual shaft output, etc., combine for a total of 14 types (Figure 2) and, if attachment orientations are included, you’ll be able to select from over 40 layouts.
Low noise, low vibration The interlocking of the worm and worm wheel is certainly characteristic since the contact is definitely linear and the relative slide is excellent. In comparison to rolling power transmission, sound and vibration are really low. For this reason, this technology is utilized to drive medical apparatus, elevators and escalators, etc.
The primary specifications of worm reduction gears
MA Series(Small)
Center distance(mm) 32,40
Reduction ratio 10,20,30,40,50,60
Input capacity(kW) 0.1~1(at an input of 1800 rpm)
Output torque(N・m) 20~66
Input speed(rpm) 0~1800
MA Series(Medium)
Center distance(mm) 50,63,80,100,125,140,160
Reduction ratio 10,15,20,25,30,40,50,60
Input capacity(kW) 0.4~30(at an input of 1800 rpm)
Output torque(N・m) 900~3570
Input speed(rpm) 0~1800
S Series
Center distance(mm) 50,60,70,80,100,120,135,155,175,200,225,250,300,350,400,450,500
Reduction ratio 10,15,20,25,30,40,50,60
Input capacity(kW) 0.3~255(at an input of 1800 rpm)
Output torque(N・m) 50~56600
Input speed(rpm) 0~1800
Key points when selecting a worm reduction gears
Selection
When choosing a worm reduction gears, the procedures for selecting the correct gear are described in the maker catalogs and the series and models should be selected according to those procedures. Particular care ought to be taken in essential areas such as for example selecting the strain index, calculating the overhang load and examining heat rated capability from the manufacturer.
Cautions during use
When utilizing a worm reduction gears, heat produced during the initial period of use is high and running-in operation at 1/4, 1/2 and 3/4 of rated torque for eight hour periods is key to sufficiently attaining the performance of the worm decrease gears.
Maintenance and inspection
After completing running-in operation (approximately 50 hours), it is necessary to change the lubricating oil and also to change the lubricating oil after that about 1 time per year according to the operation manual supplied by the manufacturer.
Product Description
The Worm Reduction Gear Box is provided by our company is of high-quality. Our products are made by using premium quality materials and progress technology at our vendors end. They are widely used in a variety of sectors. Our items are often available at an extremely low market prices.
Motor Mount Frame Options
TEC Motors, worm reduction gearbox.
Option A-160 B5 Body, Flange Mount.
Choice B-132 B14 Frame, Face Mount.
Option C-100/112 B5 Frame, Flange Install.
High efficiency and secure operation. High load capability and overload functions. Result Torque = (Power (kW) x 9550 (Constant))/ Gearbox output speed (rpm).
Higher ratios on request dependent on service factor (40:1, 50:1, 60:1, 80:1, 100:1)
DESCRIPTION
Wormgears of the VF series are milestones for the industry worldwide. They succeeded in combining uncompromising quality with stateoftheart technology amd renown cost effectiveness.Absolute flexibility is given by the wide selection of several mounting options, shaft configurations and motor interface, all offered as regular. The helicalworm and the doubleworm edition, with or without the torque limiter, also accumulate, creating a highly versatile drive system.
ADDITIONAL INFORMATION
AMP
0.42 A
EFFICIENCY
84%
HP
0.12
KW
0.09
RATIO
7
RPM
200
TEMPERATURE RATING
20 level C TO 80 degree C
TORQUE
4 Nm
HSN
8483.40.00
WARRANTY PERIOD
12 Months
The worm reduction gears can be found in two series: X and H.
The series X, having a worm and worm wheel set, comes in versions XA with shaft and XF-XC with mounting provisions for motor.
Version XF (bell casing + coupling) provides great versatility to match a broad range of applications and higher efficiency compared to the compact series XC, where the emphasis is on space efficiency.
Series H supplies the same features since series X with an added plus: a spur equipment pre-stage at the input end provides higher efficiency and a broader selection of ratios than the X series.
Framework sizes 110 and 90 feature a cast-iron casing cast enbloc, whereas smaller sizes make use of die-cast aluminium housings. The worm shaft is produced from casehardened and hardened alloy steel and ground-finished.
The worm wheel includes a cast iron hub with cast bronze insert. Hollow result shaft is supplied as standard.
Broad range of possibilities:
second input, result flange, single or double extension output shaft, torque limiter with through cable, torque arm.

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