What Caused The Holes Too Large on Drum Brake Linings?
When the heavy-duty drum brake pad is riveted, if the rivet is found to be inserted very smoothly, And it is not very compact, it is necessary to check whether the diameter of the brake pad is too large, such as If the pore diameter is too large, the contact area between the rivet head and the fixed friction material will be reduced.It is easy to cause the brake pads to chip or fall off during the braking process.
