Hebei Hankai 35 52 7 oil seal
In manufacturing equipment, where heavy machinery is common, the 25% 2035 7 oil seal helps to contain fluids and prevent contaminants from entering systems. This is particularly important in hydraulic applications, where the integrity of the hydraulic fluid must be maintained for effective operation. Similarly, in construction machinery, the seal plays a vital role in ensuring that heavy equipment operates smoothly, reducing maintenance costs due to leaks and failures.
25 35 7 oil seal

Animation effectively illustrates this process, showing how the rotation of the drum causes it to spin while the shoes are forced outward. This outward movement occurs due to the expansion of the brake shoes, driven by the movement of the pistons. The friction generated between the shoes and the drum produces the braking force needed to slow down or stop the vehicle.
how drum brakes work animation
