To find a bore size, input the desired force you need and applied pressure to the ram. Just change the fields marked “Bore, Rod, Stroke, Pressure and GMP” to calculate your force and speed. Often a larger tonnage no-brand splitter may look very attractive at first, but the parts may be miss-matched, or of poor quality.ĭetermine your replacement log splitter parts needs by using calculators.
It’s best to be sure you have matched components on your log splitter. Meaning, if your system uses one gallon of fluid each cycle, then your reservoir should hold three gallons. Since pressure creates heat, it’s recommended to use a reservoir that can hold a 3/1 ratio of fluid.
Your pump may not be able to deliver enough pressure due to a lack of fluid volume. The control valve porting may be too little doing the same. Your return lines and fluid reservoir may be too small placing back pressure on the cylinder. You may experience inadequate performance simply because your splitter isn’t able to handle the increased demand for fluid pressure and return. For example: let’s say you placed a much more significant, higher volume ram in place of a smaller one. You have to have the correct amount of fluid volume and pressure matched to the cylinder for it to provide the proper force. The effectiveness of a log splitter ram determined by the bore size, the stroke length, and rod diameter. For example, a typical first-stage log splitter pump may unload fully around 450 psi while the second stage operates up to 3000 psi. The volume of fluid (speed of the ram) will drop considerably during the second stage, but the force increases significantly. A calibrated valve will sense the pressure change and divert service to the pump’s high-pressure fluid stage for splitting. When the pump encounters resistance (splitting wood), the second stage of operation engages. The two-stage model is great for moving the splitter ram up against the wood fast, and for retracting it fast. This stage moves the hydraulic cylinder in and out quickly.
A two-stage pump will first produce high volumes of low-pressure fluid (first stage). Hydraulic two stage pumps are ideal for log splitters. If you’re not concerned about time, then there’s no real concern about using this type of hydraulic pump. A single stage pump will do the task, but it moves the hydraulic cylinder slower. Cheaper, often off-brand log splitters, and even some larger well-known commercial log splitters may come with a single-stage pump. Hydraulic pumps for log splitters usually are either a single-stage or a two-stage pump. It is the primary mover, but it’s only good as the hydraulic pump it will operate. Did you notice I didn’t mention the engine or motor? Don’t get hung up on how big the engine or motor is. Let’s start with the heart of the log splitter – the hydraulic pump. And regardless of the power source and pump combination, a log splitter typically uses a hydraulic piston to drive the log through a fixed wedge or blade. By Ks0stm – Own work, CC BY-SA 3.0, Link Basic Parts of a Log Splitterįor most commercial or home-based splitters, it doesn’t matter much if you power the log splitter by an electric motor, a gas engine, or even a diesel engine.
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