WHERE TO START? . . . . the right pump drive for an application electing S 42 www.jbj.co.uk/splitter-gearboxes.html #DriveLineHarmony There are many ways of driving hydraulic pumps, simple bellhousings and couplings for instance or perhaps a belt and pulley. Here we consider multiple pump drive gearboxes where a single prime mover simultaneously drives a number of hydraulic pumps, these are often referred to as splitter gearboxes. Splitter gearboxes can bring advantages to a hydraulic drive system where the use of a single pump with multiple stages would not be appropriate or practical, for instance machinery with many different hydraulic circuits and demands such as drilling rigs, screeners, mobile rock crushers, fishing boats, etc. The selection of a suitable splitter gearbox and its associated system design may seem to be a daunting task, here we cover basic and advanced requirements, design needs and additional considerations. No two drive systems are the same and as always a discussion will solve many problems, we are happy to talk about your project with you from preliminary ideas to detail design. Six basic considerations for selecting a pump drive: When designing a new hydraulic system for your project there are basic requirements for the selection of a suitable splitter gearbox, here is a quick overview of each one. 1) POWER, the rate of transfer of energy. The first consideration must be the hydraulic needs of the machine you are designing, the required maximum flow rate and pressure for each hydraulic circuit, (will all circuits be
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