Rack And Pinion Linear Drive

Further evidence that rack and pinion drives aren t going away is the.
Rack and pinion linear drive. Gear rack and pinion creation of linear motion. In fact manufacturers of linear actuators commonly offer rack and pinion drive versions and several profiled rail guide manufacturers offer integrated rack and pinion systems with the rack ground into the guide rail profile or the guide rail mounted directly on the rack. The rack and pinion driven modular actuators system is suitable for highly dynamic servo operation and ideal for lifting movements. A rack and roller pinion system is a variation on the traditional rack and pinion that replaces the toothed pinion gear with a cage type pinion that incorporates bearing supported rollers.
Rack and pinion linear drive. Vogel rack and pinion drives achieve linear motion for short up to long strokes with high accuracy and easy installation. In fact rack and pinion drives compare favorably to linear motors as well as roller or ground thread ballscrews. The modular design permits rack segment lengths from 0 5 to 2 meters to be linked together end to end achieving any desired travel length from standard components.
A bar shaped gear with an infinite flat surface radius of a cylindrical gear is called a rack and a meshed spur gear is called a pinion. High drive stiffness even with heavy loads. Here is a solution that gives you high stiffness and excellent positioning accuracy in addition the rack and pinion technology delivers high load capacity and a long service life at the same time. This system consists of a standard range of straight spur circumferential pitch and helical racks and pinions.
A rack has the property that it can be infinitely long and the accuracy when assembled correctly does not decrease. Rack and pinion linear drive systems atlanta germany atlanta are the world s largest supplier of precision rack and pinion with the largest range of high quality racks available. The rack and pinion driven modular linear actuator come with an internal linear ball bearings that can be adjusted free of play is driven along the guide rods by a high precision rack. Each roller in the pinion is supported by two needle bearings which eliminates the sliding friction that occurs in traditional rack and pinion systems.
There are three parts a low backlash vogel planetary gearbox with torques up to 850nm and ratios 3 to 100 a precision ground rack supplied by partner wmh herion available in sections of length 0 5 to 2m or as specials. The rack and pinion system is the primary building block of a linear axis drive. Linear axes with rack and pinion drive guarantee highly dynamic movements and great feed forces in long strokes. Download this article in pdf format this file type includes high resolution.