Cylinder

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Cylinder

Unlike non-standard oil cylinders, when the cylinder and cylinder body are cast as a whole, they are referred to as a monolithic cylinder. When the cylinder and cylinder body are cast separately, a single cylinder is called a cylinder sleeve. The cylinder sleeve is in direct contact with the cooling water, known as a wet cylinder sleeve, while a dry cylinder sleeve does not come into direct contact with the cooling water. To maintain a tight contact between the cylinder and the piston and to reduce friction loss during the piston’s movement, the inner wall of the cylinder should have high machining precision and accurate dimensional shape. The piston is the pressurized component within the cylinder. To prevent the left and right chambers of the piston from intermingling, a piston sealing ring is provided. The wear-resistant ring on the piston can improve the cylinder's directionality, reduce wear on the piston sealing ring, and lower friction resistance. The wear-resistant ring is made from polyurethane, polytetrafluoroethylene, and fabric-reinforced resin. The width of the piston is determined by the size of the sealing ring and the required length of the sliding components. If the sliding components are too short, it can lead to premature wear and jamming. Pistons are typically made from aluminum alloy and cast iron, while pistons for small cylinders are made from brass.

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Cylinder

Unlike non-standard oil cylinders, when the cylinder and cylinder body are cast as a whole, they are called integral cylinders. When the cylinder and cylinder body are cast separately, a single cylinder is called a cylinder sleeve. The cylinder sleeve is in direct contact with the cooling water, known as a wet cylinder sleeve, while a dry cylinder sleeve does not come into direct contact with cooling water. To maintain the tightness of the contact between the cylinder and the piston, and to reduce friction loss during the piston movement, the inner wall of the cylinder should have high processing precision and accurate shape dimensions. The piston is the pressurized component in the cylinder. To prevent the left and right chambers of the piston from interfering with each other, a piston sealing ring is provided. The wear-resistant ring on the piston can improve the directionality of the cylinder, reduce the wear of the piston sealing ring, and lower friction resistance. The wear-resistant ring is made of polyurethane, polytetrafluoroethylene, and fabric composite resin. The width of the piston is determined by the size of the sealing ring and the length of the required sliding components. If the sliding component is too short, it will cause early wear and jamming. The piston is usually made of aluminum alloy and cast iron. The pistons of small cylinders are made of brass.

Product Parameters

Model	JLB150T	JLB250T	JLB300T	JLB400T	JLB600T	JLB1000T
Maximum Pulling Force (KN)	1630	2700	3200	4100	6500	12000
Drawing Speed (M/min)	0-5.5	0-4.5	0-4.5	0-4	0-3	0-3
Effective Length of Finished Pipe (M)	1.5-10	1.5-10	1.5-10	1.5-10	1.5-10	1.5-10
Thickness of Finished Pipe (mm)	20	25	30	33	42	70
Main Oil Cylinder (mm)	Φ320/Φ 150x10000	Φ420/Φ 210x10000	Φ450/Φ 210x10000	Φ500/Φ 220x10000	Φ630/Φ 280x10000	Φ850/Φ 350x10000
Number of System Stations (Station)	2	2	2	2	2	2
System Working Pressure (Mpa)	26	26	26	26	26	26
System Maximum Pressure (Mpa)	31.5	31.5	31.5	31.5	31.5	31.5
Pump (Manual Variable Piston Pump)	160Lx3	160Lx2 250Lx1	250Lx3	250Lx3	250Lx3	400Lx3
Main Motor (KW)	55x3	55x2 75x3	75x3	75x2 90x1	90x3	132x3
Dimensions (WxHxL)	1.6x1.4x42	1.7x1.5x44	1.7x1.5x44	1.9x1.8x45	2.1x2x45	2.65x2.65x60
Weight (T)	86	100	120	180	220	300

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