1 Hydraulic pump is a kind of hydraulic pump 2 hydraulic pump has a single circuit and double circuit.
3 The principle of hydraulic pump Its function is to convert the mechanical energy of the power machine (such as motor and internal combustion engine, etc.) into liquid pressure energy. Working principle: Cam driven by the motor rotation. As the cam pushes the plunger up, the seal formed by the plunger and the cylinder decreases in volume, the oil is squeezed out of the sealed volume and drained through the check valve to where it is needed. When the cam rotates to the descending part of the curve, the spring forces the plunger down to create a certain degree of vacuum, and the oil in the tank enters the sealed volume under atmospheric pressure. The cam continuously raises and lowers the plunger, periodically reduces and increases the volume of the seal, and the pump continues to suck and drain oil.
4 hydraulic pump range for electric power, construction and other industries in the field operation 5 hydraulic pump prices are two kinds, domestic and foreign. Have tens of thousands.
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Shoe polish is a kind of product used to polish, repair leather shoes or boots, and strengthen their waterproof power, which can extend the life of shoes. Shoe polish is usually wax or paste. The utility model relates to a preparation for wiping the surface of leather shoes to make them clean and bright. It can be divided into liquid, emulsion, semi-solid and solid. The main component is wax.
Shoe polish is a substance used to shine and protect leather shoes. It can come in various forms such as paste, cream, or liquid and is typically made from a combination of wax, oil, and pigment. The polish is applied to the shoe using a brush or cloth and buffed to a shine. It helps to protect the leather from water damage, scuffs, and scratches, and can also restore the color of faded or worn-out shoes.
After applying shoe polish to the leather upper, the solvent evaporates, leaving a thin wax film, which can achieve the goals of waterproof, insect proof, shiny, protective leather, and enhancing aesthetics.
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