worm reduction

Our standard 700 Series – the heart of Ever-Power velocity reducer products – has been serving industry reliably for over 10 years. Its proven modular style has set the sector standard for overall performance and is the most imitated item in today’s worm gear velocity reducer marketplace. But why accept 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 result 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 life.
Its multi-position mounting versatility allows for installation in virtually any position.
Housings are straddle-milled, best and bottom, for precise alignment of horizontal and vertical bases.
Internal baffles assure positive, leak-free venting.
The 700 Series’ rugged housing, fabricated of fine-grained, gear-quality cast iron, provides maximum strength for optimum 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 improve 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 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 are available in our eCatalog.
Ever-Power worm gearboxes possess earned a popularity to be an industry benchmark worldwide. Our achievement came from our relentless drive for quality with state-of-the-artwork technology, all while offering worm gearboxes are inexpensive prices. High versatility accorded through a wide choice of mounting options, shaft configurations and motor interfaces, makes the Ever-Power worm gearbox the default choice for the sector. The helical-worm and the double-worm edition, with or without the torque limiter, soon add up to the advantage, creating an extremely versatile drive system.
Ever-Power Worm gearboxes provide high torque with low swiftness gear ratio. Being simple and compact in design, these gears can achieve higher gear ratio than the helical gears. These worm decrease gears having screw type qualities act like helical gears, but its helix position is typically comparatively bigger) and its own body is normally quite lengthy in the axial direction. The gears in these gearboxes could be correct or left-handed dependant on the purpose.
Mounting choice include universal housing, aspect flanges, foot (horizontal and vertical), shaft mounted with torque arm. Obtainable 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 like a screw and the worm wheel can be 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 equivalent to a nut that has been fixed so that it cannot rotate and for that reason progresses in the axial path when the bolt can be turned.
The look of a worm gear is considered 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. Because of this, in a 1 speed reduction gears, the wheel can be manufactured so that it’ll be rotated 1/60 (1/120 in particular applications).
Orthogonal shaft The shafts are aligned orthogonally because of 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). It is possible to change the rotation path of the worm wheel by changing the screw direction.
A multitude of shaft layouts The wide variety of shaft layouts is one of the top features of interlocking gears.For example, right shaft output, still left shaft output, dual shaft input and dual shaft output, etc., combine for a complete of 14 types (Figure 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 can be characteristic because the contact is definitely linear and the relative slide is fantastic. In comparison to rolling power transmission, sound and vibration are extremely low. Because of this, this technology is utilized 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 choosing a worm reduction gears, the procedures for selecting the right gear are described in the manufacturer catalogs and the series and models ought to be selected according to those procedures. Particular care ought to be taken in key areas such as selecting the Worm Reducer strain index, calculating the overhang load and examining the heat rated capability from the manufacturer.
Cautions during use
When utilizing a worm reduction gears, the heat produced during 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 operation (approximately 50 hours), it’s important to change the lubricating oil and also to change the lubricating oil after that about 1 time per year according to the procedure manual provided by the manufacturer.
Product Description
The Worm Decrease Gear Box is provided by our company is of supreme quality. Our products are created through the use of premium quality material and enhance technology at our vendors end. These are widely used in various sectors. Our items are often available at a very low market prices.
Motor Mount Frame Options
TEC Motors, worm reduction gearbox.
Option A-160 B5 Frame, Flange Mount.
Option 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. Output Torque = (Power (kW) x 9550 (Constant))/ Gearbox output speed (rpm).
Higher ratios available 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 market worldwide. They succeeded in merging uncompromising quality with stateoftheart technology amd renown cost effectiveness.Absolute flexibility is distributed by the wide selection of several installation options, shaft configurations and motor interface, all offered as standard. The helicalworm and the doubleworm version, with or without the torque limiter, also add up, creating an extremely 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 level 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, is available in versions XA with shaft and XF-XC with mounting provisions for motor.
Version XF (bell casing + coupling) offers great versatility to suit a broad range of applications and provides higher efficiency than the compact collection XC, where in fact the emphasis is on space performance.
Series H offers the same features because series X with an extra plus: a spur gear pre-stage at the insight end provides higher overall performance and a broader selection of ratios than the X series.
Framework sizes 110 and 90 feature a cast-iron housing cast enbloc, whereas smaller sizes use 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 output shaft comes as standard.
Broad range of possibilities:
second input, result flange, single or dual extension output shaft, torque limiter with through cable, torque arm.