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The magnitude and the position of the point of action of the crushing force is the basis of structural strength design of small diesel jaw crusher and also an indispensable calculating parameter for choosing prime motor power. As the basis for crusher designing, it is necessary to measure the crushing force of different models of small diesel jaw crusher under different working conditions. The detailed measuring methods are two types small portable stone crushers, namely direct measurement and indirect measurement.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:diesel jaw crusher,Mobile Diesel Engine Crusher,portable drilling rig,Mill Drilling Rig,If you are interested in our products, please contact us freely: sales@daswell.com (1) Direct measurement Use four pressure sensors that are fixed on the walls in front the machine frame and that have carried out mechanical rating on the press machine to lift the fixed jaw plate through the ball ring. When the crusher works, the crushing resistance force of the materials inside the crushing chamber will be transmitted to the four pressure head through the fixed jaw plate and the ball ring, and after measuring the strain signal of the pressure head, then the magnitude and the position of the point of action of the crushing force can be calculated. This measurement has relatively high precision mobile rock crusher, but the shortcoming lies in that it needs to manufacture special pressure sensors and the accessories to measure it portable rock crusher, and need to repair the front wall of the machine to install the pressure head. (2) Indirect measurement Indirect measurement is to measure the strain on some spare parts, and calculate the magnitude and the position of the point of action of the crushing force through the measured strain. The biggest advantage of this method is that it does not need to manufacture special measurement element or repair the crusher.