- If the spot does not move This problem usually occurs if there is a problem with the clamping screws. Loosen the screw, and then tighten it while examining the movement of the parts in the feeder. This will help you find the right amount of tension needed in the spring. Loose feet can cause ‘dead spots’.
- If the spot moves along with the movement of the bowl This problem could occur due to some manufacturing defect like a broken weld. The part can be re-welded. However, best practices dictate changing the part entirely if this problem occurs. This can be seen in the weld seam of the coil assembly.
In case the above solutions fail to provide the required results, you should consult a technician or your vibratory feeder manufacturer. They will be able to detect the problem accurately and provide you with the proper solution. Adding counter weights, replacing components, and adjusting the torque on the springs are common ways of correcting this problem.