Release time：2023-11-19 14:06:03 Hits： Current position: Home > News
This article mainly introduces:
Portugal hydraulic cylinder,electric lift cylinder manufacturer,electric lift cylinder
(Portugal electric lift cylinder,produced by Hengyu Group）
electric lift cylinder are widely used in Portugal，because of simple structure and reliable operation，excellent temperature resistance，no transmission clearance.So our company has designed electric lift cylinder for customers from Portugal.
electric lift cylinder diameter, rod diameter, stroke determination: Choose national standards or other standards electric lift cylinder, avoid the selection of non-standard size, otherwise the difficulty of processing and manufacturing costs will be increased. The length of the electric lift cylinder guide is determined by the length of the stroke. Check the strength of electric lift cylinder, piston rod, screw, etc. according to the working pressure or load. At the same time, working pressure, ambient temperature, working medium and running speed are also the key to selecting seals.
The coordination of the sliding parts of the electric lift cylinder itself should not be too tight, the sealing friction force should not be too large, and H8 / f8 coordination should be selected between the piston rod and the guide sleeve; Check whether the size of the sealing ring is processed strictly according to the standard; If the V-shaped sealing ring is used, the sealing friction should be adjusted to a moderate degree.
When the electric lift cylinder is repaired, its inner and outer diameter and roundness should be accurately measured. If the inner hole of the electric lift cylinder is badly worn, it can be repaired by grinding the mandrel or honing on the boring machine. If the piston is worn, it can be repaired by electroplating, and serious wear should be replaced.
electric lift cylinder head explanation: low pressure castings, medium and low pressure with HT300 gray iron, medium and high pressure with 35, 45 steel. When the electric lift cylinder head itself is the guide sleeve of the piston rod, the electric lift cylinder head is best cast iron. At the same time, brass, bronze or other wear-resistant materials should be fused on the guide surface. If the guide sleeve is pressed into the electric lift cylinder head, the guide sleeve shall be wear-resistant cast iron, bronze or brass.
Why is a light cylinder less productive than a heavy cylinder at the same oil pressure?
f=ps Under the same pressure, the larger the area, the greater the output, but the maximum pressure can not exceed the system engineering pressure of the cylinder!
Why hydraulic cylinder load can not rise?
The hydraulic cylinder does not top up indicates that the pressure of the working chamber of the hydraulic cylinder is insufficient, and the following circumstances can lead to insufficient pressure: 1) The relief valve of the hydraulic system cannot establish pressure, elimination method: check whether the pressure setting screw of the relief valve is screwed to the appropriate position. If it is an electromagnetic relief valve, please check the power-on condition. 2) The hydraulic system pipeline is connected incorrectly, when P and T are connected, this must be checked and excluded; 3) Excessive leakage in the hydraulic cylinder, resulting in (only for double-acting cylinders); 3) No hydraulic oil into the working chamber of the hydraulic cylinder, elimination method: first disassemble the hydraulic pipe connecting the reversing valve and the hydraulic cylinder, and then control the reversing valve, and observe whether there is hydraulic oil flowing out of the reversing valve.
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