Piston rod

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Piston rod

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Tel: +86-0510-8395 9581

Piston rod

The rolling process of stainless steel piston rods is an efficient and high-quality technical measure. The doctor card with a diameter of 160mm was used to cut the roller head, verifying the rolling effect. After rolling, the surface roughness of the cylinder body was reduced from Ra3.2～Rm to Ra3.4～0.8 m, with a pre-rolling value of 6.3. The surface hardness of the cylinder body increased by 30%, and the fatigue strength of the cylinder rod surface increased by 25%. Stainless steel piston rods are mainly used in hydraulic and pneumatic systems, engineering machinery, and automotive manufacturing. The piston rods are processed by rolling. Due to the presence of residual compressive stress on the surface layer, it is beneficial to seal micro-cracks on the surface layer, preventing corrosion from spreading. Therefore, it can improve the corrosion resistance of the surface, delay the generation or expansion of fatigue cracks, thus enhancing the fatigue strength of the cylinder rod. Through rolling forming, a cold work hardening layer is formed on the rolled surface, reducing the elastic-plastic deformation of the contact surface of the wear pair, thereby improving the wear resistance of the cylinder rod surface and avoiding burns caused by grinding. The surface roughness after rolling is reduced, improving the matching performance. At the same time, it reduces the friction damage to the sealing ring or sealing element during piston movement, enhancing the overall service life of the cylinder.

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
Finished Pipe Drawing Thickness (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
System Station Count (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 Plunger 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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Product

Roller pipe