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FAQ

What's the difference between an electric hydraulic and a pneumatic jack?
The two are the same: the executing agencies are hydraulic piston rod. The difference between the two is: electric hydraulic motor drives the oil pump, so that oil into the hydraulic cylinder, push the piston rod to work. Pneumatic hydraulic jack is two cylinder: the smaller cross-sectional area of the cylinder and the area of the cylinder when the cylinder gas of large capacity into small capacity, will produce several times, even ten times of pressure on the small cylinder, the output of small cylinder piston rod increases greatly, this method is called "liquid booster". Also called the cylinder pressure cylinder.
Difference between cylinders of hydraulic cylinders
The air pressure cylinder uses air compressor to press air into the cylinder. The principle is also the use of Pascal principle. Advantages are light quality, low price (work medium can be seen everywhere), remote control can be realized, disadvantages such as noise, etc.
Are hydraulic cylinders, oil cylinders, hydraulic cylinders all the same? What's the difference?
It's all about one thingI am the repair cylinderThe cylinder is all hydraulic, so it is called a hydraulic cylinder and a hydraulic cylinder, both of which mean one
What is the four link mechanism of hydraulic support?
2. The connecting rod must have sufficient fatigue strength and structural rigidity. The lack of fatigue strength often results in fracture of the connecting rod or connecting rod bolt, thus causing a serious accident of the whole machine. If the stiffness is not enough, it will cause the bending deformation of the rod and the deformation of the big part of the connecting rod, resulting in partial wear of the piston, cylinder, bearing and crank pin.
What is pneumatic oil? Is it the same as hydraulic oil?
Pneumatic and hydraulic oils are not oils. Pneumatic lubricants require high oxidation resistance and lubricity, while hydraulic oils require good abrasion resistance, oxidation resistance, lubricity and foam resistance as well as anti emulsification effects. Pneumatic lubricants are generally thinner than hydraulic oils.
I would like to ask if the speed of the hydraulic cylinder is related to the load on the piston rod?Proportional flow valve how to type, I currently only know the maximum pressure 2.5Mpa, according to Q=VA count as 0.4L/min, 1L/min can be chosen according to the ratio of flow valve? Is there another way to choose?
How to choose the proportion of flow valve, mainly based on the flow to control the size and accuracy, pressure levels, as well as some of the owners of the special requirements of the brand.As you say 0.4L/min this small flow proportional flow valve, can choose the brand is not much, Rexroth 2FRE6 series should be able to meet your requirements. As you said, the choice of 1L/min proportional flow valve is very appropriate, in the recommended electric signal 25%~75%.
How to use hydraulic system to control the feeding of machine tool table and the positioning and clamping device of workpiece
Two, the role of machine tools:A lathe is a machine tool for turning a rotating workpiece with a lathe tool. Can also be used in the lathe drill, drill reamer taps Banya and knurling tools for the corresponding processing. Lathes are mainly used for machining shafts, disks, sleeves, and other workpieces with revolving surfaces. They are the most widely used machine tools in machine building and repair factories.
Compared with hydraulic cylinder and cylinder, what are the advantages of electric cylinder?
The utility model has the advantages of low noise, energy saving, simple operation and maintenance, simple structure and low cost