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The Standard in-line RV-E reducer provides high-end performance in a very compact and highly rigid component type configuration. The unit incorporates rolling contact elements to provide high efficiency and long life, integrated angular bearings to support external loads and a 2-stage reduction design to reduce vibration and inertia while increasing ratio capabilities.
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The NT is a precision reducer specifically designed for rotary table applications to provide High Precision with High output speed.
The NT provides significant advantages over traditional rotary table worm gear designs:
1. Efficiency = 80%
2. Indexing Accuracy = ±2.5 arc-sec. (with external encoder)
3. Repeatability = ±1.0 arc-sec. (with external encoder)
4. Reduced assembly time:
· No Backlash Adjustment
· No pre-loading
· No Run-out Adjustment
5. Low wear due to rolling contact of teeth increases reliability
6. High number of teeth continuously engaged provides large shock load capacity
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To view pump drive product information, please select a series below. To learn more about the OEM applications that use pump drives
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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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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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Torque range: 2,600 to 552,000 Nm divided in 26 sizes
Ratios: 6.3:1 to 500:1 standard
A wide selection of ratios is possible through modular Paramax wheel set stages and combination with Cyclo drives
Housing: Standard = grey cast iron, nodular cast iron or steel (optional)
Attachment: Horizontal, vertical or wall fitment
Direct motor mount: Standard (for bevel gear), no coupling alignment required, compact design
Output shaft: Solid or hollow shaft (with shrink disc or key)
Thermal performance: In line with the ambient conditions, the thermal performance can be adapted to the requirement by means of fans and external cooling systems.
Product description
Paramax® helical and bevel gears of the standard Paramax range and the various special Paramax versions are the outcome of six decades of experience in drive engineering. By virtue of the modular design, they permit use under difficult and severe conditions even in the most diverse applications.
The Paramax® product range consists of the standardized 9000 series as well as the special SFC designs for cooling tower drives and compressors and SEC for extruder drives.
With 26 sizes in the Paramax® 9000 series, an application can be precisely designed according to the performance, torque and velocities, thus ensuring a long service life and cost effective, powerful operation.
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Brevini High Power gear units for medium and high power industrial applications combine the innovative technology and performance of Brevini’s latest S series range with the high quality and reliability of PIV Drives’ Posired series of right-angle gearboxes.
The result is a new series of right-angle gear units that has all the benefits of versatile output configurations typical of planetary gear units combined with the tested input safety of high quality right-angle gearboxes, a solution that is more efficient, quieter, more compact and offers a better price / performance ratio compared to ordinary gear units.
The application range of these new Brevini Power Transmission gear units includes a variety of ratios – from 1:75 to 1:660 – and a transmission capacity of up to 950 kW of power. These gearboxes are the result of the partnership and the teamwork between Brevini and PIV.
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The experience accumulated by our technicians and the number of machines we have manufactured put us among the most reliable constructors of marine gearboxes.
- Reduction gears for the connection of Diesel engines to the propeller shaft
- Reduction gears for the connection of turbines to the propeller shaft
- Power take-offs
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For over 35 years GUASCOR has been gaining experience in the marine area, where the engines are exposed to extremely hard working conditions. As a consequence GUASCOR engines have designed and manufactured for such a big duty, keeping fuel consumption at low levels.
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WORM GEARBOX WITH STAINLESS STEEL OUTPUT SHAFT
Paint on request [ ANTICORROSIVE GEAR ]
POINT OF STRENGTH
THE SOLUTION
Worm gearbox panted with stainless steel hollow shaft.
AN ALTERNATIVE
A ideal alternative product fully interchangeable to other manufacturers, as main or alternative supplier.
FLEXIBLE
For specials, Atex, Nema, Special shafts diameter, flanges, reduced backlash, double oil seals input/output.
PRECISE and QUICK
Precise and reliable quick deliveries.
EASY
to stock and handle.
LOW
initial stock investment.
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The renovated V series features a brand new speed setting mechanism that optimizes the operation, extending the lifetime of the core parts, and allowing the speed variator to run cooler and smoother than ever before. Also available with the additional helical reduction and in combination with most Bonfiglioli gears.
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The new planetary cone disc variators of the patented series VARIO are built in an aluminium die-casted housing in 3 sizes: small, medium and large, respectively for motors of IEC size 63, 71 and 80.
Each VARIO is equipped with filler, level and breather plugs to make it suitable for any mounting position.
VARIO can operate in both directions, input and output shafts rotate in the same direction.
Hand wheel can be fitted to both sides of control box for convenient installation.
The cone discs are made in case hardened bearing steel, to increasethe durability of each VARIO.
VARIO are supplied with mineral lubricant ISO VG 46, with the quantity of oil for positions B3-B5
As a consequence of its operating principles, based on the satellites friction, the appropriate lubrication is essential for the correct duration and efficiency of VARIO.
It is strictly recommended, in addition, to avoid mixing two different oil types. If you change type of oil, make first sure youclean VARIO with appropriate chemical thinner.
All VARIO are supplied with filler, level and breather plugs. Before start-up, you must place the breather plug on the top like in the following pictures.
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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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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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The Phase Variator is the economical timing mechanism used to adjust the position of various machine components-even while running. Installed between the driven machine and the process which requires timing, the Phase Variator provides a full 360 degree range of position control.
In normal operation, with the control knob stationary, the Phase Variator operates as a 1:1 phase transmission with input and output shafts rotating in the same direction. When a rotation is applied to the control knob, a differential action occurs between the input and output shafts allowing a machine operator to synchronize a production process.
This simple, positive timing device is ideal for more efficient machine set-ups and changeovers. The Phase Variator is the low cost answer to the timing challenges facing today's machine designers.
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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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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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A mechanical belt variable speed transmission package with modular construction
Available as gearless drives or as a combined motor and mechanical belt/gear variable speed transmission
Six case sizes for motor frames 56 through 250T
Manual handwheel speed changer standard, with options for various remote signed followers
Constructed with Endolube III
Product Overview
The Varidrive is a ‘packaged’ variable speed belt transmission. Packaged means that the
belt transmission, drive motor, and if required, the gear reducer are constructed as a single
power transmission drive assembly. These variable speed drives are employed where the
operating speed of the driven component must vary over a range that can not be provided by a
fixed driver-driven relationship.
Types VAP, VEUP and VEP modules are used with motors to produce gearless Varidrives.
Type VAM modules are used with a motor and gear reducer. A variety of accessory kits are
available for the Varidrive, including a number of remote control kits, number of analog speed
indicators, as well as a solid state speed control that works in conjuction with an actuator called
Varitrol.
Principles of Operation
• The Varidrive provides variable output speed by means of variable pitch sheaves
(Varidiscs) which are moved axially on the driver (motor) and driven shafts
• The driver pitch diameter is established by either manually or automatically positioning
the adjustable motor Varidisc axially on the motor shaft
• Driven pitch diameter is correspondingly and inversely adjusted by means of a spring
loaded adjustable driven Varidisc
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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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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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Adapter Kit (Mercedes V12)
Main Data
- Continuous: 500 Nm
- Intermittent: 700 Nm
- Power at 100 rpm: 1152 Kw
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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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Robot gearboxes, as units ready for installation, have a low level of torsional clearance, high rigidity and a good efficiency. Thanks to their design principle, they function quietly and are suitable for precise, rapid motion processes with high levels of repeat accuracy.
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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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2SR84 - Servo Reducers
In a compact package, these servo reducers feature minimum backlash, low input inertia, high torsonial stiffness and precise repeatability.
Backlash correction insures that the original backlash value of the reducer can be maintained for the life of the unit.
An input flange can be provided for direct mount to any servo motor. Each reducer is performance certified to the customer's specifications prior to shipment, and is delivered witha data sheet documenting the unit's performance.
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Series M3 inline servo reducers provide a very efficient and compact drive solution to meet most requirements up to 85 HP with maximum output torque capacity of 15,000 ib in.
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Our gearbox assemblies contain speed reducers that utilize spur gear, worm gear and helical gear design. They offer low backlash (anti-backlash available) and can contain either ball bearings or bronze bearings. They can be supplied in 48 or 64 pitch in various ratios.
We also carry a miter/bevel design gearbox available with single or double shaft end style in various sizes. Our Servo Gearbox utilizes a spur gear design as does our inline speed reducer. All are available in varying sizes and ratios.
WM Berg's Engineering department can assist in the design of your mechanical component task, our Manufacturing capability lends itself to the production of the components and our fully staffed Assembly Department completes the process.
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he GH is a very compact, highly rigid reducer with low backlash (6 arc-min max.) and high output speed capabilities (250 rpm max.). The GH utilizes internal angular support bearings that provide large moment capacities and negate the need for external support devices. The reducer is available in standard flange and shaft type output configurations and is shipped sealed, pre-greased and ready to mount to your servomotor.
1. Resistant to overloads
2. High rigidity
3. Low backlash (max. 6 arc min)
4. Simple one-touch mounting to the main types of servomotors
5. Compact
6. Low reduction ratio (1/11-1/31) and high output revolution (max. 250 rpm)
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Gearboxes for special applications 
