As a heat treatment tooling, feeding dish also often malfunction, and thus affect the entire heat treatment process. The reason, then, mainly in three aspects can be described.

Feeding causes disk failure tooling heat treatment of the basic three points, on the one hand you need to check whether there each spring leaf breakage, if any, to the timely replacement spring, so that the fault can be lifted. On the other hand it is to check whether the bolts loose, as long as the general tightening it.
Another possibility is that the spring plate to be re-adjusted to regulate the election, when any group of spring pieces slightly loosen the bolts, and observe the feeding tray if there is a rate change. If you need speed, then slice into thin spring, whereas spring will need to replace the sheet thickness, until it reaches the desired speed.