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The new benchmark for electrical preload on demanding machine tool applications!
KRPX is the new version of REDEX ANDANTEX rack & pinion high-tech planetary reducers, offering cost effective, easy to implement and high performing solutions for moving column or gantry machine types as well as many other applications.
The KRPX housing is made of high quality spheroidal graphite cast iron. Its structure has been optimised with FEM analysis methods to avoid deflection during acceleration. Fixation is made by oversized screws to ensure a real still connection with the machine frame allowing the KRPX housings to be considered as an integrated part of the machine main frame.
The output pinions are machined to the same diameter as the shafts, allowing the best possible balance between transmissible torque and rigidity at the rack. In addition, output bearing consists of two preloaded and substantially oversized angular contact roller bearings.
This exclusive design offers exceptional compound stiffness which allows to dramatically decrease the radial bending (up to 60% of the overall distortion) and to increase the natural frequencies of the global Racks & Pinions drive systems.
Designed as an association of two high-tech planetary reducers, KRPX allows perfect mounting on both sides of the machine frame and enables true zero backlash when coupled with an electrical preload system.
Available in 3 standard universal sizes (2, 3 and 4) KRPX is very compact, a definitive advantage for helping implementation with respective pinion height not higher than 104, 127 and 148 mm.
With this new and innovative concept, the machine-tools designers can easily expect to exceed market standards with maximum feed capacity up to 105 000 N and stiffness on the rack up to 333 000 N/mm.
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Dedicated to racks & pinions drive applications, the KRP+ design is based either on the use of one single unit or on the association of two top quality planetary reducers, mounted in parallel on the machine main frame.
When used as a SingleDRIVE, the KRP+ gives the benefit of an ultra high stiffness feed gearbox, dedicated to high performances rack & pinions drive systems.
When choosing the mechanical preload solution, the KRP+ become a DualDRIVE unit, which achieve the true backlash free feature by torsionally winding one pinion against the other through the rack.
Immediate benefits are to need only one motor, and to dramatically simplify the motor control.
When choosing the Electrical preload solution, the KRP+ is used as a TwinDRIVE unit, where the backlash is cancelled by the opposite torque balance between the two pinions, according with the two motors and drives remote control.
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Dedicated to racks & pinions drive applications, the DRP+ design is based on the association of two top quality planetary reducers, mounted in parallel on an extra high stiffness universal frame.
When choosing the mechanical preload solution, the DRP+ become a DualDRIVE unit, which achieve the true backlash free feature by torsionally winding one pinion against the other through the rack.
Immediate benefits are to need only one motor, and to dramatically simplify the motor control.
When choosing the Electrical preload solution, the DRP+ is used as a TwinDRIVE unit, where the backlash is cancelled by the opposite torque balance between the two pinions, according with the two motors and drives remote control.
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Nexen offers an advanced new technology that revolutionizes linear motion. The Roller Pinion System (RPS) provides zero backlash, very high positional accuracy, unlimited length, very high speeds, 99% efficiency, high rigidity, low noise, low maintenance, corrosion resistance, and long life. This opens up
new design possibilities and provides the capability to achieve much higher levels of performance in machine designs.
The RPS's unique design eliminates many of the limitations of current linear drive systems like:
Ball Screws: Limited by critical speed, maximum speed, cumulative error, vibration, thermal expansion, supplemental cooling, noise, low efficiency, maintenance, and life.
Traditional Rack and Pinion: Limited by low accuracy and speed, backlash, tooth fatigue, noise, high cost of dual and split pinion systems, high maintenance, and short life.
Belt Drives: Limited by low accuracy, backlash, low load capacity, short lengths, belt stretch, and low rigidity.
Linear Motors: Limited by low load capacity, high cost, strong magnetic fields, and liquid cooling.
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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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The new range of Track drives developped by Dinamic Oil is called EH and has a range starting form 50.000 Nm up to 330.000 Nm
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Sprockets are a crucial factor in the efficiency and service life of any chain system. For this reason, we at KettenWulf focus on manufacturing our own
sprockets since chain and sprockets from one source ensure a maximum of operational hours.
Besides sprockets in all DIN/ISO/ANSI standard pitches and tooth forms, our product range includes tailored solutions with optimum tooth shapes and sprocket sizes, of course. Whether you need sprockets of high-grade materials, with special heat treatment, and additionally indiction-hardened
teeth – KettenWulf always has the right solution for you.
We provide matching sprockets for all types of chain. Besides producing sprockets with DIN standard tooth forms, our CNC machines can also be used to produce sprockets with optimized tooth shapes. Products made of high-grade materials, heat treated and with additionally induction-hardened teeth are the standard in our company.
Our production spectrum includes all sprocket designs, including sprockets with one-sided hubs and sprockets with two-sided hubs, split-type sprockets, sprockets with detachable tooth shells or tooth segments,
shear-pin sprockets, pinion sprockets, as well as sprockets with patented noise-reduction features and wheel systems.
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Provides a low noise and judder-free transmission. Usable up to 95°C. Made out of 100 % polyacetal plastic. (POM) Available modules 0,5 , 1 , 1,5 and 2. Immediately from stock available so no waitingtime.
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ANSI,DIN,JIS Standard chain sprocekts and plate wheels.
Standard spur gear and bevel gear with straight and helicle tooth.
Special chain sprockets and wheels, gears made to order.
Chain Coupling, Taper Bushing and other transmission components
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For our Round Steel Chains, Bushed Conveyor Chain, Forged Link Chain and Cardan Chain we offer suitable drive and tail sprockets in different grades and designs.
Conveyor Chain form one unit. In order to obtain an optimal operating condition in a conveyor system, we recommend the exclusive use of THIELE products. For mounting instruction, maintenance and service, please ask the expert THIELE personnel.
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Roller Chain Sprockets are manufactured with a glass reinforced nylon body providing many features, including:
- Roller Chain Sprockets available in a wide selection of teeth from 9 to 48, all 1/4" pitch single sprockets.
- Hubs drilled and tapped with #10-24 setscrew.
- Hubs can be drilled with cross holes for dowel pins.
- Keyways and D-bores can be molded in the hubs
- For greater strength, aluminum hubs are available for sprocket number S-2516 and larger.
- Made In USA
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You can choose from the world's largest selection of high-quality, shaft-ready sprockets to solve all your application problems. In-stock hardened sprockets, a Browning specialty, are warranted to last at least twice as long as the standard (un-hardened) mild steel sprockets they replace. The result is increased chain life and reduced downtime.
Additionally, you have the industry's broadest selection of sprocket mounting choices. Sprockets are available with three types of bushings to ensure secure mounting to shaft:
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When it comes to chain wheels and other accessories, the customer places the utmost importance on deliverability. Flexon is able to respond promptly to urgent orders thanks to our permanent stocks of a wide range of standard chain wheels and sprockets. Beyond this our service center manufactures custom chain wheels in minimal turnaround times. Bore and tooth profile are finished in line with your specifications and dispatched immediately. All Flexon wheels – whether in steel, stainless or cast-iron with hardened teeth – are characterized by running precision and long service life. This guarantees you the maximum operational reliability. It goes without saying that first-class product quality is also a hallmark of the Flexon chain-wheel and accessory range.
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Ramsey offers a full range of stock and made to order sprockets in pitches ranging from 3/16” pitch to 2 1/4” pitch. Stock sprockets, because they are produced in large quantities, are often the most economical choice. Made to order sprockets provide an almost unlimited range of options and are a large part of our daily production.
All sprockets can be fully machined to your exact specifications or they can be supplied with an unfinished bore to allow secondary machining. Ramsey also supplies sprockets to replace most
competitors' products. We welcome all inquiries.
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WM Berg manufactures a wide variety of cable chains, molded belts, sprockets and pulleys. The belts consist of polyurethane plastic molded over either a single or double stainless steel core.
The belts are lightweight, self-lubricating, come in infinite lengths, are field spliceable with a stainless steel splice.
The stainless steel constructed chain series offers long life, high tensile loads, and is available in many different pitch configurations.
Comparable pulleys and sprockets are offered in stainless steel, aluminum, or plastic in bore size ranges of 1/8" (3mm) diameter to �" (12mm) diameter and are available up to 300 teeth.
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Sprockets, wheels and platewheels:
8mm pitch : Simple
9.525mm to 76.20mm : Simple, duplex, triplex
Special sprockets
Taper lock sprockets
Tensioner sprockets
Stainless steel sprockets
Taper lock bushes
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