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Norbar gearboxes are built to an extremely high standard of precision. All gears rotate on needle roller bearings about hardened and ground journal pins. As a result, Norbar Handtorques can be relied upon to have a torque multiplication accuracy of 4%, throughout the operating range, taking the uncertainty out of high torque tightening.
No gearbox is 100% efficient and so the velocity ratio (the number of turns that the input has to make to achieve one revolution of the output) is not the same as the torque multiplication ratio. Norbar multipliers are engineered such that each gear stage has a velocity ratio of typically 5.45:1 which results in a true torque multiplication factor of 5:1.
Torque output calculations are therefore a matter of simple arithmetic with little risk of incorrect bolt loading due to conversion errors. Other manufacturer's multipliers often require graphs or formulae to calculate the input torque to achieve a particular output.
The Norbar Handtorque is the most comprehensive multiplier range available. Standard products are available up to 47,500 N.m (35,000 lbf.ft) and 'specials' to 100,000 N.m (73,000 lbf.ft). A range of 'nose extensions' for reaching difficult to access bolts and full range of torque transducers for highly accurate torque monitoring are available.
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The smallest and best value torque multiplier, with manual power application from 100 to 13.000 Nm. Particularly light and handy with return stop. The LÖSOMAT high torque multiplier is maintenance-free.
Main application areas:
Steel construction, power plants, transport industry, chemical industry, plastics industry, cable cars, mining, shipyards and paper factories
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Features and Benefits
Maximum rated input of 154 foot per pound (209 Nm)
Maximum rated output of 8,000 foot per pound (10,846 Nm)
Effective multiplication 52.0:1 +/-5%
Reaction system: reaction plate with slave drive
Gear System: three stage planetary
Anti-backlash device: self-contained, 3 position
Product Details
Length 15-3/16"
Weight 50.3 lbs
Gear Ratio 60:1
Head Depth 10-3/4
Head Length 51-3/16
Input Drive 1-1/2" Sq. Female
Output Drive 1-1/2" Sq. Male
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Gear Boxes series PM advantages:
High torque: from 60.000 to 82.000 Nm for any drum driving application. Floating female spline Sun Gear for radial load absorption improvements.
In Castings & Forgings specifications as per DIN high standards best materials to assure aptimum quality and performance workmanship. Compact Design. Making the series PM ONE of the lightest Gear-Boxes in the industry to comply with weight limitation laws special design of planet carriers (triangular).
Simple Assembling & Disassembly procedure large F.A.G. easy maintenance OUT/PUT bearing for high torque performance and durability. Main housing, OUT/PUT flange, crown Gear & Planetary interchangeability carriers are common in all models reducing the need of service parts stock.
Flange and mounting holes are the same than all others main brands.
PM 80 Gear Box, which is indicated for mixer drums from 11 up to 15 m mixer trucks. PM 80 is the largest available gear box in the ready mix industry.
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MIJNO PRECISION GEARING has designed and manufactured planetary gearheads and gearboxes for more than 25 years and is one of the World leaders. Our expertise has earned the trust of robotic, military, medical, aerospace and nuclear industries. We offer the widest variety of internal and external design features for optimum matching in your application. We are an ISO 9001 certified manufacturer.
BDB Range: Very low backlash, high torque and torsional stiffness
- Rotating output flange instead of traditional output shaft enables unique power transmission solutions
- Very low backlash (5, 3 or 1 arc-min max depending upon size and ratio)
- Stable backlash (hardened and ground gears)
- High radial and axial load acceptance
- High torsional stiffness
- Quiet operation (ISO 4 quality ground gears)
- Highest torque density
- High efficiency (patented Rotaxe® tooth profile)
- Great choice of ratios
- ISO output interface
- Easy 5 minutes clamping into motor shaft (self-locating input flange)
- High range of temperature of use (-31°F to 266°F depending upon option) (-35°C to 130°C)
- Reinforced waterproofness (IP 65)
- Easy maintenance
- Optional lubricating grease for the food-processing industry
For more information visit www.mijno.com. Consult us if the solution you are looking for cannot be found in our regular catalog. Our design department can create a custom gearbox most adapted to your needs.
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SRP is not one more simple planetary gearbox but a true integrated concept, including several functions combined together to offer a complete sub-assembly to the most demanding machines.
Featuring :
- A high-tech output oversized tapered bearings assembly
- A high-tech planetary gear train, based on well know REDEX’s differential know-how
- A ready-to-use universal range of motor interface (flange and shaft adapter
- A high quality bevel gear box (option)
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TP - The Compact precision
Precision true planetary gearbox highly suitable for cyclic (S5) and continuous duty (S1) operations due to compact & intelligent design.
TP High Torque overview
- 90% higher output torque ratio 22 to 220
- 900% overload capacity T2Break / T2N proven design based on TP technology
- 110% higher stiffness standard backlash < 1 arcmin
higher uniformity < 1 arcmin
- 99,9% reliability, 97% on time delivery
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This planetary gear unit series is intended for industrial applications in the upper output torque range. They are backed by our extensive experience in the construction of planetary units for variable speed drives.
Important features are:
• Compact design and high power capacity. The optimization of the number of planets for each planet stage leads to an excellent torque/weight ratio.
• Universal range of uses through modular structural design of the gear case.
• Housings designed for flange or shaft mounting or foot design.
• Output shafts supplied as male or hollow shafts.
Technical Data:
Torque (T2 nominal): 240,000 up to 1,500,000 Nm
Transmission Ratio: 20 up to 2,800 iN
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The "S Series" is the optimum proposal for all applications requiring high torque with minimum dimensions, on fixed industrial equipment and also self-propelled machines. This epicyclic solution is preferable to solutions with traditional gear units as it offers an improvement of 40-60% in terms of space and weight.
With its many output versions, numerous input possibilities and all the accessories supplied, the "S Series" extends the application possibilities of Brevini epicyclic gear units to all industrial sectors.
The main characteristics of this new Brevini Riduttori range are:
- 8 harmonically developed sizes, from 34,000 Nm to 370,000 Nm nominal torque
- In line and right angle execution up to 4 reduction stages
- Output versions: female splined, hollow cylindrical for shaft-mounting, male cylindrical and male splined shaft
- Input versions with male input shaft, arrangements for electric and hydraulic motors, possibility of multidisc brakes
- A wide range of input and output accessories supplied with unit
- Possibility of integral solutions with gear units having a different technology.
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CAT can designing and manufacturing high quality gears and gearboxes for:
• Steel and non ferrous industry applications:
• rolling mill stand drives, walking beam drives, flying shears, auxiliary drives etc.
• main winches drives for container cranes, harbour cranes, etc.
• main increaser for water/generator turbines, reducers for steam turbines/high speed gas turbines; re-circulation water pumps
• Ground equipment for space and aeronautical industry:
• Azimuth and Elevation gears and gearboxes for antennas and radio-telescopes,
• Manufacturing industry:
• Main and auxiliary gear drives for rubber and plastic mixers and extruders, cane and beetroot sugar mills, paper mills, stirrers, rotating mills and auxiliary equipment for cement factories and mines.
CAT can design and calculate in accordance with AGMA and DIN standards
We are also specialised in the refurbishment and overhauling of gearboxes of any size and make.
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Standard Spiral Bevel Gearbox
The C-Series product line offers 2 standard ratios, with a simplified design using a cubic frame made with high stiffness aluminium alloy.
features
3 sizes 12 - 16 - 20
3 types A - left output B - right output C - double output
2 ratios 1:1 and 2:1
Spiral bevel gears with surface and heat treatments
Mounting possible from the 6 faces of the cube
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Worm Gear Speed Reducer, SW-1S
SW-1S, Solid Output Shaft Features
* Solid Output Shaft: 1/2" O.D. solid ground and polished steel, sintered bronze bushings
* Dimensions: 3 3/8" high x 3 7/8" wide x 3" deep
* Compression-molded glass-fill polyester gear box
* Gear: precision-hobbed nylon worm gears are low in cost, lightweight, and quiet running.
* Input Shaft: 5/16" O.D. ground and polished steel, supported by sintered bronze bushings, sealed to retain lubrication and keep out dirt
* Weight: 28 ounces, Weight may vary according to ratio
* Ratios Available: from 3.5:1 to 60:1 (all ratios are right-hand, left- hand worms gears are custom)
* Lubrication: Supplied factory lubricated with grease
* Mounting: SW-1 gear reducer mounting feet may be positioned at any one of eight locations. Additional mounting position options are available here.
SW-1S Speed Reducer, Custom Options
* Bronze worm gears, providing three times the torque capacity, are available for rugged applications.
* Stainless steel shaft (Please specify series stainless needed)
* Longer shafts lengths on input and output
* Left-hand worm gears
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Right Angle Features:
- RAB-1 right angle gear drive is 3-21/32" x 3-15/16" x 1-1/4" deep
- Injection molded glass-filled nylon
- Weighs 12 ounces
- Ground high-tensile steel shafts
- Hardened coniflex straight miter gears
- Hardened steel ball bearings
- Flange type mounting
- Lifetime shielded lubrication
- Three shaft connections are provided for versatility in application
- RAB-1 may be operated in either direction
- RAB-1 is rated at 1/3 HP at 1800 RPM. Maximum speed is 3000 RPM
Custom Options:
- Stainless steel shaft (Please specify series stainless needed)
- Longer shafts lengths on input and output
- 2:1 Ratio
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Model RA-202 Miniature Right Angle, Single Output Shaft Drive
Model RA-203 Miniature Right Angle, Dual Output Shaft Drive
- RA-203 and RA-202 miniature gear box is 1 7/8" high x 1 7/8" wide x 1 1/4 " deep not including shaft length
- Injection molded nylon gear box
- Hardened steel helical gears
- Input and output steel shafts 1/4 " OD
- Input and output shafts are supported by lubricated nylon bearings
- Net weight is 3 ounces
- Available ratios are 1:1 and 2:1
- Panel mounting is optional
- Rated at 1800 RPM maximum Tech Sheet
- Rated for 1/8 HP continuous duty Tech Sheet
- Note: Units are not suitable as speed increases
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