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Grinding machine maintenance electro-hydraulic reversing valve basic description Dongguan grinder maintenance electro-hydraulic reversing valve basic description Dongguan grinder maintenance surface grinder electro-hydraulic reversing valve consists of pilot valve electromagnetic slide valve and main valve hydraulic slide valve. This system is controlled by the surface grinder pilot valve to switch the oil circuit. The direction of the oil flow in the control oil circuit is not changed, the reversing valve is always kept at the original end, the direction of the main oil path is not changed, and the work table can always continue to advance. Once the control oil circuit is switched, the main valve spool moves to another working position according to the preset speed. The main oil path is changed, and the working table is also reversing, avoiding the reversing 'dead point'. Dongguan grinder maintenance such kinetic energy of the large inertia workbench can be converted into heat energy through the saving effect. The control port of the main valve of the electro-hydraulic reversing valve is adjustable, that is, the commutation time Δt can be extended. The commutation shock can be effectively reduced, and thus this commutation method dominates for a long time. However, the commutation parameters can only be set in advance, and cannot be changed according to the changes of the working conditions. This is impossible for the system in which the working conditions are changed at any time to complete the ambition reversal. Dongguan grinder maintenance cooperation aspiration control curve. The surface grinder adopts the hydraulic transmission reversing system of electro-hydraulic proportional valve. Completed the intelligent control type reversing system with the intention of automatically reducing the flow rate to reduce the speed and ending the smooth non-impact reversal. The ambition reversal can also be completed under the condition of changing the working condition. This hydraulic transmission reversing system achieves an excellent intelligent control of the displacement or speed of the output, making the commutation process have a certain maneuverability, and thus has a very wide scale of use. Http://