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shearing machine cylinder Sold to Estonia

Release time:2023-11-16 08:44:25 Hits: Current position: Home > News

This article mainly introduces:

Estonia hydraulic cylinder,shearing machine cylinder manufacturer,shearing machine cylinder

Estonia shearing machine cylinder

(Estonia shearing machine cylinder,produced by Hengyu Hydraulic Co., Ltd)

shearing machine cylinder are widely used in Estonia,because of excellent fatigue and impact resistance,no need for deceleration device,long service life.So our company has designed shearing machine cylinder for customers from Estonia.

Introduction to shearing machine cylinder:

shearing machine cylinder spool stuck or valve hole blocked How to solve: When the flow valve or direction valve spool stuck or valve hole blocked, the shearing machine cylinder prone to misoperation or action failure. At this time, the contamination of the oil should be checked; Check whether dirt or colloidal deposits are stuck in the spool or blocking the valve hole; Check the wear of the valve body, clean and replace the system filter, clean the fuel tank, and replace the hydraulic medium.

When installing the shearing machine cylinder, the axial ends of the shearing machine cylinder cannot be fixed. Due to the effect of liquid pressure and thermal expansion in the shearing machine cylinder, there is axial expansion. If the two ends of the shearing machine cylinder are fixed, all parts of the shearing machine cylinder will be deformed. When disassembling the shearing machine cylinder, it is strictly forbidden to hammer the shearing machine cylinder and the piston surface, such as the shearing machine cylinder hole and the piston surface is damaged, do not allow sandpaper grinding, to use a fine oil stone carefully grinding. The clearance between the guide sleeve and the piston rod should meet the requirements.

If the shearing machine cylinder operation failure, you can start from these aspects to troubleshoot: (1) the hydraulic system control pressure is too low. The throttling resistance in the control line may be too large, the flow valve is improperly adjusted, the control pressure is inappropriate, and the pressure source is disturbed. At this time, the control pressure source should be checked to ensure that the pressure is adjusted to the specified value of the system; (2) Air enters the hydraulic system. Mainly because there is a leak in the system. At this time, check the liquid level of the hydraulic tank, the seals and fittings on the oil suction side of the hydraulic pump, and whether the oil suction filter is too dirty. If so, the hydraulic oil should be replenished, seals and fittings should be treated, and the coarse filter element should be cleaned or replaced. (3) The initial action of the shearing machine cylinder is slow. In the case of low temperature, the hydraulic oil viscosity is large, poor flow, resulting in slow shearing machine cylinder action. The improvement method is to replace the hydraulic oil with better viscosity and temperature performance If the shearing machine cylinder is weak and cannot push the load, please check the internal leakage problem. The internal leakage of the shearing machine cylinder includes the leakage caused by excessive wear of the shearing machine cylinder block seal, the piston rod and the seal cover seal and the piston seal. The cause of sealing leakage between the piston rod and the seal cover is that the seal is wrinkled, squeezed, torn, worn, aging, deterioration, deformation, etc., and a new seal should be replaced at this time. The main cause of excessive piston seal wear is improper adjustment of the speed control valve, resulting in excessive back pressure and improper seal installation or hydraulic oil contamination. The second is that foreign bodies enter the assembly and the quality of sealing materials is not good. The result is that the action is slow and weak, and in serious cases, it will cause damage to the piston and shearing machine cylinder, and the phenomenon of "pulling the shearing machine cylinder" appears. The treatment method is to adjust the speed control valve, and the necessary operations should be done according to the installation instructions.

The commonly used buffer structure of the shearing machine cylinder is composed of a piston boss and a shearing machine cylinder head groove. When the piston moves close to the shearing machine cylinder head, it gradually enters the groove, and the oil in the groove is extruded through the gap between the boss and the groove, which increases the oil return resistance, produces the braking effect and realizes the buffer. Generally, a buffer mechanism should be used when the pressure is above 10MP.

Answers to some questions about shearing machine cylinder:

How to calculate the hydraulic cylinder pressure, how much pressure can put up how much weight?
There is a formula for air pressure, hydraulic pressure, water pressure: F=P×S type: f-cylinder or hydraulic cylinder output, unit is Newton (N) P- pressure, unit is Mpa S- effective area, unit is square millimeter (mm2), note: is the effective area, in the hydraulic cylinder to subtract the cross-sectional area of the piston rod.

About the hydraulic cylinder wall thickness problem?
Hydraulic cylinder wall thickness calculation formula: t=PD/200St= pipe wall thickness (minimum thickness) mmP= maximum pressure kg/cm2? d= inner diameter mm? S=δ/5 safety factor δ= minimum tensile strength This case: set the cylinder material 45#, tensile strength 58kg/cm2t=(640X40)/(200X11.6)t=11mm piston output (i.e. Thrust) calculation formula: F1=PD2X(3.14/4)F1=640X42X0.785=8,038kg Note: Square numbers will not be used, all 2's in the text are square codes.

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