Front-end telescopic hydraulic cylinder is widely used in the hydraulic systems of various types of dump trucks. The multi stage hydraulic cylinder includes inverted cylinder, trunnion mount cylinder; cross tube cylinder; clevis mount hydraulic cylinder; These types of dump truck cylinders, tipper valve can set the maximum working pressure of 190Bar; 20Bar; 21Bar; 220Bar, DALLAST telescopic hydraulic cylinder can withstand the maximum working pressure of 220Bar, the test pressure is completed at 280Bar.
Materials we choose are compared with other company tube; the tensile strength and the yield strength are more than 2 times, the tensile strength and the yield strength are about 950MPA.
DALLAST hydraulic cylinders are light design; reasonable structure; reliable work; easy assembly and disassembly; easy to repair.
Another we can special design according to user's special needs and technical parameters
Tube Diameter(OD) | 180Bar-Thrust Force (KN) | 210Bar-Thrust Force (KN) |
Ø248 | 869 KN--87 Ton | 1014 KN--101Ton |
Ø221 | 690KN-- 69 Ton | 805KN-- 81Ton |
Ø196 | 543 KN--55 Ton | 633 KN-- 63 Ton |
Ø172 | 418KN--42 Ton | 488 KN-- 49 Ton |
Ø150 | 318 KN--32 Ton | 371 KN-- 37 Ton |
Ø129 | 235 KN--24 Ton | 270 KN-- 27 Ton |
Ø110 | 170 KN--17Ton | 199 KN-- 20 TON |
Ø90 | 115 KN-- 12 Ton | 134 KN-- 13.5 TON |
Ø70 | 69 KN-- 7 Ton | 807 KN--81 TON |
*All stage are hard chromed *Tensile strength (σb/MPa) ≥ 1050 *Yield strength (σs/MPa): ≥ 950 *Area shrinkage (ψ;/%): ≥45 | ||
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FAQ
New Zealand customers consulted with us about front-end telescopic hydraulic cylinder
Q: Is there any way to stop the cylinder from being pushed in the process of pushing the cylinder?
A: Generally speaking, the solution to your problem is to press the stop switch. This switch has a mechanical type. When it hits an object, it sends a stop signal. The cylinder is controlled by the operation of the motor. There is also a sensor switch, which is when the hydraulic pressure When the cylinder is telescoped to the range where the sensor switch can sense the signal, it sends a signal to the motor to act, resulting in the corresponding action of the cylinder.
Q: why the hydraulic cylinder do quenching and tempering ?
A: The purpose of quenching and tempering treatment is to make the piston rod have comprehensive mechanical properties with good matching of strength, hardness, plasticity and toughness. The internal structure is uniform and fine tempered sorbate , which is ready for subsequent surface quenching.
Q: The pressure of the hydraulic station is expressed to 20MP. How many tons can load capacity, hydraulic cylinder bore size 125mm? How to convert? Please list. Thank you
Answer: 20Mpa=200kg/cm^2 The hydraulic cylinder with a cross-sectional area of 1cm2 can lift up to 200kg. Therefore, F=200X3.14X(125/2)^2=24531kg=24.5 tons
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