A machine builder required a vertical axis drive to pull, stack and transfer sections of pipe in an essential oil field environment. The application load was very heavy and would have to be transported vertically over an extended distance.
The client also asked to reduce the weight of the structure while keeping a high level of safety.
Due to the high loading, gear rack for Material Handling Industry ATLANTA offered a multi-drive alternative, which shared the strain over four pinions running on two lengths of rack. This allowed a smaller sized rack and pinion to be used, reducing the weight of the axis drives.
Since accuracy was not essential for the application, an induction-hardened rack was used. This rack had induction-hardened teeth to provide high thrust capacity. To insure that the racks remained stationary under the high loading, two meter long racks were utilized to maximize the number of mounting screws utilized per section and dowel pins had been used to pin the racks in place.
The Ever-Power solution met all of the requirements from the customer and could handle the high loading from the pipes being transported.
A milling cutter for a wooden functioning machine has pairs of base plates, each plate having a recess to received a slicing place. Each pair of basis plates is installed on a guide plate, and numerous this kind of instruction plates are installed on a common tubular shaft. Each basis plate has a toothed rack. The toothed racks of every pair of bottom plates engage a common pinion set up on the tubular shaft. The radial range of each foundation plate is adjusted by a screw and the racks and pinion make sure that the radial adjustment can be exactly the same for each person in the same pair of base plates. USE – Milling cutters for woodworking planetary gearbox devices.
Linear motion is indispensable to moving machines; it transports tools and products efficiently and controllably. The mechanisms that generate linear motion are generally ranked by their axial velocity and acceleration, axial forces versus structural quantity, life, rigidity, and positioning precision.
Two common linear systems are linear motors and ballscrew drives. Rack-and-pinion drives tend to be overlooked as past-generation technology with limited positioning accuracy. However, this assumption is definitely invalid.
Precision-ground mounting surfaces to tight tolerances, wear-resistant surface treatments, individually deburred equipment teeth, and compact, low-mass designs are boosting performance. In fact, rack-and-pinion drives compare favorably to linear motors and also roller or ground-thread ballscrews.
New-generation rack-and-pinion systems provide high dynamic performance and unlimited travel range. Some include superior servogears and actuators with backlash less than 1 arc-min., efficiency to 98.5%, and far more compact sizes than regular servomotor-gear combinations. Some preassembled gear-pinion units may also run true to 10 µm, for basic safety and smooth motion.