Rack-and-pinion drive gear reducer KRPX+
planetaryright anglepinion shaft

rack-and-pinion drive gear reducer
rack-and-pinion drive gear reducer
rack-and-pinion drive gear reducer
rack-and-pinion drive gear reducer
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Characteristics

Type
planetary
Shaft orientation
right angle
Shaft configuration
pinion shaft
Torque
> 10 kNm
Performance
high-precision, high-performance, high-rigidity
Applications
for rack-and-pinion drives
Other characteristics
for machine tools

Description

KRPX is a Side Mounted high performance planetary Servo-Reducer, dedicated to Rack & Pinion applications. The unique KRPX housing is designed to act as a RIGID MACHINE FRAME EXTENSION. The accessible side mounting offers a cost effective, easy to implement, high performance solution for both linear and rotary axis drives. Two units are combined together with electrical preload (TwinDRIVE) to create an extremely stiff ZERO-BACKLASH axis. The KRPX housing design has been optimized by finite element analysis to avoid deflection during acceleration and heavy loads. Furthermore, the output pinions are machined directly into the output shafts and supported by extra-large, preloaded tapered roller bearings to provide the best balance between transmittable torque and stiffness on the rack. 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.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.