Q:Why do not the industrial furnace door use the hydraulic cylinder and the cylinder?

Because the oil in the hydraulic cylinder will be heated, it will affect the oil heating, it is difficult to cool the oil heater, this is the reason, in one may be cost savings

Q:Pneumatic cylinder stem can replace pneumatic hydraulic jacking rod. Who is big?

The former is different from the latter in structure, material and service performance. In the same size of the cylinder and piston rod diameter under the condition of using hydraulic working oil pressure cylinder is generally above 50~110kg/cm2; the use of pneumatic pressure in the cylinder is generally only 5~7kg/cm2 (permissible pressure of not more than 10kg/cm2).

Q:How much is the 1000 ton hydraulic cylinder

Here the hydraulic diameter is 700mm. Hydraulic machine rated working pressure is 25Mpa, usually made of 700mm large diameter (the actual calculated is about 715).Bore: bore is the diameter of the cylinder, stroke (stroke) is the movement of the piston stroke BDC and TDC distance.Example: a car reciprocating engine, diameter 80 mm, 90 mm stroke, 4 cylinder. Single cylinder displacement calculationBore 80 mm / 2= radius of 40 mm and 40 mm * 3.14x90=452160 cubic square.

Q:Which pressure is the cylinder or hydraulic cylinder?

A hydraulic cylinder, such as a jack, that lifts 3 pieces. The normal cylinder pressure is only 0.9 to 1.5 MPa

Q:There is oil in the tank. Is it the cylinder gasket? Some people say that the serious thing is the cylinder block cracking, I would like to know the excavator cylinder block under what conditions will crack the body? It's not cold, not frozen!!

What you say is possible, the steel mat will be, the steel body will also be frozen,

Q:The 80 hydraulic cylinder is equivalent to the pressure of the larger cylinder

It depends on how much you supply the hydraulic system hydraulic cylinder pressure, there is a gas path set pressure output size of the cylinder,

Q:What is the difference between the cylinder seal and the cylinder seal?

The medium of bees is different. One is gas sealed, and the other is liquid sealed.

Q:Multi axis drilling hydraulic system design of a horizontal cylinder in the machining production line (conditions: positioning, clamping hydraulic control, machine tool positioning clamping action sequence: - - - - - feeding slide fast forward rewind - stop - release - pull pin fixture, machine work axial cutting force 25000N, acceleration deceleration inertia force 500N 1500N, static friction resistance, friction resistance 850N, fast forward, rewind speed is 100mm/S and the feeding speed of 833mm/min, fast travel 0.1M of 0.04m. Worktable adopts flat guide rail)Tasks and requirements:Determine component specifications and complete hydraulic system loop diagram 1;2. Design the assembly drawing of the hydraulic cylinder 1;3, according to the prescribed format to complete the design, calculation manual 1.

To the bookstore to buy a "modular machine tool design manual" second volumes, above all.

Q:What is it used for? What kind of factory is likely to be used in general?

in the textile industry, such as injection molding machine, rubber vulcanization machine, paper machine, printing machine, textile machinery and so on; in the shipbuilding industry, such as hydraulic dredger, salvage ship Production platform, wing ship, hovercraft and marine auxiliary machinery, etc.. In the defense industry, land, sea and air forces of many weapons and equipment are used hydraulic transmission and control, such as aircraft, tanks, artillery, missiles and Rockets; in short, all engineering fields, all mechanical equipment of the occasion, can be used in hydraulic technology, use the field and equipment is more and more wide, more and more.

Q:what to use, there is no suitable cylinder, the company's gas supply is not enough, my device does not have much pressure.The pressure of the air pressure is enough, but the air source is insufficient, and the suitable cylinder can not be selected, so the hydraulic station is used to control the cylinder, but there is no such device, and the friend who knows it tells the thanks!

At the same speed, under the same thrust conditions, the hydraulic system is much more expensive than the pneumatic system. You can use the hydraulic station to control the cylinder. You might as well buy an air compressor alone.If you have a hydraulic station or a large central hydraulic source, you must use the hydraulic system, you can reduce the work pressure, down to 0.8 MPa, and then send the hydraulic oil to the cylinder, you can also work.