worm reduction

Our regular 700 Series – the heart of Ever-Power acceleration reducer products – has been serving industry reliably for over a decade. Its proven modular style has set the market standard for efficiency and is the most imitated product in the current worm gear swiftness reducer market. But why settle for a knock-off when you can have the original – from Ever-Power.
Specifications
11 basic single 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 output shafts
Projecting diameters from 1/2″ to 2-1/4″
Hollow result bore diameters from 5/8″ to 3-7/16″ (with over 20 bore sizes in stock)
Product Features
The 700 Series’ huge oil reservoir provides efficient heat dissipation and lubrication for longer operating lifestyle.
Its multi-position mounting versatility allows for installation in virtually any position.
Housings are straddle-milled, top 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, and also greater precision during worm and gear alignment.
Ever-Power 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 capacity for high torque and overhung loads.
Pipe plugs allow easy fill, 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 are available in our eCatalog.
Ever-Power worm gearboxes have earned a reputation to be a business benchmark worldwide. Our success originated from our relentless drive for quality with state-of-the-artwork technology, all while offering worm gearboxes are inexpensive prices. High flexibility accorded through a wide choice of mounting options, shaft configurations and engine interfaces, makes the Ever-Power worm gearbox the default choice for the industry. The helical-worm and the double-worm version, with or without the torque limiter, add up to the advantage, creating an extremely versatile drive system.
Ever-Power Worm gearboxes provide high torque with low rate gear ratio. Being basic and compact in design, these gears can perform higher gear ratio compared to the helical gears. These worm decrease gears having screw type characteristics are similar to helical gears, but its helix angle is typically comparatively bigger) and its own body is generally quite long in the axial direction. The gears in these gearboxes could be correct or left-handed depending upon the purpose.
Mounting choice include universal housing, aspect 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 made up of a worm shaft and worm wheel. The worm is definitely shaped just like a screw and the worm wheel is a type of gear machined to possess a tooth profile with the same configuration.
The procedure of a worm gear is similar with that of a bolt and nut. The principle is the same as a nut that is fixed to ensure that it cannot rotate and for that reason progresses in the axial direction when the bolt is certainly turned.
The design 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 by one tooth. For this reason, in a 1 speed reduction gears, the wheel could be manufactured therefore that it’ll be rotated 1/60 (1/120 in unique applications).
Orthogonal shaft The shafts are aligned orthogonally due to the structure. This characteristic makes it possible to layout the turning tranny direction at the right angle.
The arbitrariness of the rotation direction The screw direction of the worm can be clockwise or counterclockwise (generally clockwise). You’ll be able to change the rotation path of the worm wheel by changing the screw path.
A wide variety of shaft layouts The wide variety 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 complete of 14 types (Number 2) and, if attachment orientations are included, you’ll be able to pick from over 40 layouts.
Low noise, low vibration The interlocking of the worm and worm wheel is certainly characteristic since the contact is certainly linear and the relative slide is great. In comparison with rolling power transmission, sound and vibration are really low. Because of this, this technology is used to drive medical tools, 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 selecting a worm reduction gears, the procedures for selecting the right gear are described in the maker catalogs and the series and models should be selected according to those procedures. Particular care should be taken in key 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 through the initial period of use is high and running-in procedure at 1/4, 1/2 and 3/4 of rated torque for eight hour periods is paramount to sufficiently attaining the performance of the worm decrease gears.
Maintenance and inspection
After completing running-in procedure (approximately 50 hours), it’s important to improve the lubricating oil and also to change the lubricating oil after that about 1 time per year according to the procedure manual offered by the manufacturer.
Product Description
The Worm Decrease Gear Box is supplied by our company is of high-quality. Our products are created by using premium quality materials and progress technology at our vendors end. These are widely used in various sectors. Our items are easily available at a very low market prices.
Motor Mount Frame Options
TEC Motors, worm decrease gearbox.
Option A-160 B5 Frame, Flange Mount.
Choice B-132 B14 Frame, Face Mount.
Option C-100/112 B5 Frame, Flange Attach.
High efficiency and secure operation. High load capability and overload functions. Result Torque = (Power (kW) x 9550 (Constant))/ Gearbox result speed (rpm).
Higher ratios on request reliant on service factor (40:1, 50:1, 60:1, 80:1, 100:1)
DESCRIPTION
Wormgears of the VF series are milestones for the sector worldwide. They succeeded in combining uncompromising quality with stateoftheart technology amd renown cost effectiveness.Absolute flexibility is given by the wide choice of several mounting options, shaft configurations and electric motor interface, all offered as regular. The helicalworm and the doubleworm version, with or without the torque limiter, also add up, 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 come in two series: X and H.
The series X, featuring a worm and worm wheel set, comes in versions XA with shaft and XF-XC with mounting provisions for motor.
Version XF (bell housing + coupling) offers great versatility to match a broad range of applications and provides higher efficiency compared to the compact series XC, where in fact the emphasis is on space efficiency.
Series H supplies the same features because series X with an extra plus: a spur gear pre-stage at the insight end provides higher efficiency and a broader selection of ratios compared to the X series.
Body sizes 110 and 90 include a cast-iron housing cast enbloc, whereas smaller sizes make use of die-cast aluminium housings. The worm shaft is manufactured from casehardened and hardened alloy steel and ground-finished.
The worm wheel has a cast iron hub with cast bronze insert. Hollow result shaft is supplied as standard.
Broad range of options available:
second input, result flange, single or double extension output shaft, torque limiter with through cable, torque arm.

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