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SEW-Eurodrive's mechanically-adjustable gear units deliver straightforward operation and robust performance in applications requiring mechanical stepless speed variation.
Standard Features
Combine with SEW speed reducers for variable-speed applications requiring low output speed and high output torque
May be used without reduction as direct machine drives
Foot or flange-mounted configurations |
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High modularity
- Matched with a large range of gearboxes, they are suitable to modular assembling of flanges, feet and torque arms.
High versatility
- 7 sizes, more than 200 versions, with wide range of different mounting positions.
High performances
- Power from 0.05 kW to 11 kW.
- Max torque 3000 Nm.
- Up to 6000 Nm when combined with bevel helical gearboxes.
- With the differential device, output speed can be brought to "zero" speed, when the motor is running.
High reliability
- Strengthened casing for heavy duty applications.
- Planets and races are made in special steel 100Cr6 and are in oil bath, that guarantee the best conditions of transmission of the motion by friction. |
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UDL Series Speed Variators
UD(L) series planet cone-disk stepless speed variator merges domestic and overseas advanced technique and craftamanship. It has the following characteristics.
Good precision in speed regulation(±0.5/1%)
Speed range 1:5
Can operate in either direction based on rotation of motor.
The frames 0.18,0.37 and 0.75 are constructed with the aluminium body, larger sizes are made of cast iron.
UD(L) series planet come-disk stepless speed variators can be combined with all kinds of speed reducers, as to achieve low stepless speed-changing.
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DESCRIPTION
Leading applications: general purpose, medium and fractional power drives. Dry friction and fully sealed enclosure allow reliable, service free and safe installations.
Design: housings and covers of aluminium die cast for sizes 63 and 71, of cast iron for sizes 80 and 90. Variators with output flanges, according to standard IEC sizes, to plug in the various helical and worm/wheel units. |
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Designed for use on a wide variety of machinery, Zero-Max Drives may be used as primary or secondary drives.
The speed range is infinitely adjustable from 0 to 1/4 of the input speed under full rated load. Reversible models are available with reverse and neutral settings.
They are available in five sizes providing constant torque of 12 to 200 inch pounds throughout the speed range. To achieve the exact performance characteristics you require, Zero-Max Adjustable Speed Drives are available with optional gearheads, motors and C-flange adapters. Some Zero-Max Drives may be purchased with standard electric motors or they may be connected to any rotating power source up to 2000 RPM.
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VAM series planetary cone-disk speed variators proposed by TRANSTECNO have the following characteristics.
- Precision in speed regulation (± 0.5/1 %).
- Speed range 1:5.
- Can operate in either direction based on rotation of motor.
- Input motor flange in standard version IEC B5.
- The frames 018, 037 and 075 are constructed with the aluminum body, larger sizes are made of cast iron. |
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WE MANUFACTURE:
GEARBOX FOR GAS AND STEAM TURBINES, TYPE CAV
MULTIPLIER FOR KAPLAN TURBINE, TYPE SC |
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| Crush the COSTS of replacement PARTS for your mechanical clutch. The power take-off is suitable for inline and sideload applications on all internal combustion engines with standard SAE flywheel housing dimensions. All units are supplied with sealed ball pilot bearings to eliminate lubrication problems normally encountered. Ball bearing throw-out collars are optional on 14" units and standard on 311 units. |
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Electric power: From 6,5 to 40 kVA
R.P.M.: 1.500 (4 Poles) - 3.000 (2 Poles)
Intensity: From 9,4 to 100 Amps
Application: Agricultural, Farms, Fields houses...
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Power take-off
Sunfab’s power take off is the link between the vehicle and the pump. It can be mounted on the gearbox or the engine |
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Whereas certain manufacturers would like that these are the materials which adapt to their drives of pump, the range Funk, it, can be flexible.
We indeed chose the modularity in the manufacture of our drives of pump, which enables us to propose more than 5000 different configurations: power, couple, speed ratios, adapters hydraulic, Made types of installation... your choice. Conceived to remain discrete, our drives of pump are divided into five series, of 135 with 950 ch (101 to 708 kw), and are appeared as a unit to independent or direct assembly on the engine, or to clutch.
Advantages of the modular concept.
The implementation of state-of-the-art technologies, allied with our modular techniques of manufacture, enables us to propose drives of pump at really competitive prices. Moreover, thanks to the broad choice suggested, you will have never to pay for a pump whose capacity is higher than your needs. |
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PIV Drives has developed this range of rack and pinion drives for closing the mould of injection molding machines. This type of drive features quiet running spur gear reduction and presents a compact construction with an integrated motor. The POSIRACK design has a double-toothed rack output. Case hardened and ground gear wheels are the base for this high performance drive, with the industry’s best accelerating and decelerating torque and an extremely quiet package.
Technical Data:
Rack clamping force: up to 450 kN
Rack speed: > 2,000 mm/s
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The new HFUC Series component sets are a result of the continuous development of Harmonic Drive precision reduction gearing. In comparison with standard gears, the new HFUC series features a shortened Flexspline, which results in an important reduction of the axial length. The high performance IH tooth profile provides significantly increased torque capacity compared to gears incorporating the traditional involute gear tooth profile.
Advantages:
- High torque capacity
- Excellent positioning accuracy and repeatability
- Compact design
- High single stage ratios
- High torsional stiffness
- Zero backlash
- High efficiency
- Easy installation and assembly |
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High-efficiency planetary gear sets achieve high output
torque from low input torque
• Operator protected by anti-backlash device
• Accurate torque ± 5%
• Reversible, tighten or loosen bolts
• Reaction bar or reaction plate style
• Angle-of-turn protractor standard on E300 serie models
• Reaction plate models offer increased versatility with
reaction point locations
• E300 and E400 series have replaceable shear drives,
providing overload protection of internal power train
• One replacement shear drive is included with each E300
and E400 series models.
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Used for speed adjustment at constant power level, this range of Heavy duty Industrial Multi-speed gearbox are designed for continuous operation.
Based on standard cast-iron castings, the versatile design allows to offer several options :
- the output shafts can be supplied to rotate in the same or opposite directions
- motor flanges can be supplied for direct motor mounting
- up to 288 different speeds when using 4 gearboxes coupled togethe.
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| Our Servo drive range offers complete servo drive adaptability in a cost effective package. They are ideal if you wish to upgrade to servo control technology and increase productivity, improve quality and provide solutions for your application needs but do not require high precision gearing. |
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This series of gear reducers with attached or integrated thrust bearing can be supplied in a helical or bevel helical gear arrangement. Quiet operation and strong design are key features. Horizontal or vertical mounting position, splash lubrication and cooling coil or injection lubrication are possible options. The modular design of the POSIREX is based on the POSIRED 2 range, plus a selection of available thrust-bearing parts.
Technical Data:
Torque (T2 nominal): 3,000 up to 800,000 Nm
Transmission Ratio: 4 up to 160 iN
Axial force: F = 50 up to 2,000 kN
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| Gearboxes complete with reinforced output supports, integral pinion, static negative disc brake and input coupling for hydraulic motors; nominal output torques range from 4.100 Nm to 60.000 Nm. |
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This line of slew drive reduction gears, from 500 to 1700 daNm, is ideal for applications on crane trucks, excavators, harbour cranes, and so on.
The main features are the output support in steel and a sturdy pinion integral with the shaft, suitable for any type of thrust bearing. |
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Speed modulators with coaxial and bevel gear units.
Torque from 25 daNm to over 100 daNm.
Speed modulators with reversing gears.
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Double shaft extruder gears have been built by PIV Drives since 1984 for a variety of applications in the plastics and food industries. This product is in operation around the world to the complete satisfaction of our customer base. The gearing is case hardened and ground with a profile correction for optimal load-bearing performance and noise reduction. An extremely quiet gear-train is achieved through a high contact ratio. The axial forces which occur during the extrusion process are safely absorbed through a system of tandem bearings and self-aligning roller thrust bearings.
Technical Data:
Screw centre distance: a = 15 up to 200 mm
Input speed: up to 1,800 rpm
Torque factor: df = 35 Nm/cm3
Power: up to 5,500 kW
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New range of ultra-compact planetary and bevel helical gearboxes for industrial applications.
These new gear reducers, which are protected by a specific patent, feature a combination of planetary and helical/bevel helical gears that takes advantage of the strengths of each technology: compact size, reliability and easy maintenance.
This new series of lighter, more compact gear reducers surpass traditional solutions for planetary and bevel helical gear reducers and also ensure shorter production times and lower production costs.
The design of these ultra-compact gear units is based upon precise analyses using FEM (Finite Elements Method) techniques applied to 3D models, which means that performance, in terms of duration and silence, was optimized already in the virtual prototype phase.
Advanced engineering techniques, long experience and the use of high quality parts from Brevini Riduttori and PIV Drives led to the creation of a product that ensures high performance over time, a fact that has been confirmed by tests that simulate real operating conditions. |
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These wheels cover the range from 200 to 1700 daNm.
They are ideal for heayy self-propelled vehicles (fork lifts, airport machines, etc.) requiring reliable hydraulic disk parking brakes of the negative type and manual mechanical emergency disengagement. |
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| These wheels cover the range from 280 to 1400 daNm. They are ideal for the sector of mobile and tyred vehicles in general (road vehicles, building machines, agricultural tractors) requiring mechanical shoe brakes and manual mechanical emergency disengagement. |
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The modern and innovative design, the compact construction and the excellent performance characteristics of the PGR/PGW series of gear units make these especially suitable for driving rubber tired or tracked self-propelled vehicles.
Product features include:
- Single or two-stage reduction model.
- Transmissible torques up to 16.0 kNm..
- Integrated parking brake.
- Broad range of gear reduction ratios.
- Manual release system for vehicle quick towing.
- Integrated orbital or axial piston motors.
- Preset for semi-integrated commercial engines.
- Various mounting dimensions. |
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Gearboxes for special applications 
