| TROUBLESHOOTING FEED PROBLEMS ON THE THROUGH FEED MOULDER - CAUSED BY MACHINE | |
| Probable Cause | How to Correct |
| Guides misaligned. | Realign the side guides. |
| Bed plates misaligned. | Realign the bed plates. |
| Feed works worn. | Repair or replace worn parts. |
| Feedrolls worn. | Replace or sharpen feedrolls. |
| Improper feedrolls. | Use the correct feedrolls for the material being run. |
| Hopper worn. | Repair or replace worn parts. |
| Overloads kicked out. | Check amp readings. Replace worn overloads. Repair or replace bad motors. |
| Spindle belts slipping. | Check the tensionof the spindle belt. |
| Bed lubricatornot working. | Repair, clean orfill bed lubricator. |
| Feedrolls not setat the same height. | All infeed rollsshould be the same height from the bed plates. |
| Holddown not parallelto the bed. | Use a dial indicatorto set the holddown shoe parallel to the bed plate. |
| Worn spindle bearings. | Repair or replacespindle unit. |
| Low incoming airpressure. | Check air system.Upgrade if necessary. |
| Worn spindle belts. | Replace worn spindlebelt. |
| Grooved bed misaligned. | Align the groovedbed plates using the right hand groove. |
| Patterned holddowntwisted. | Position the patternedholddown when a finished part is under the holddown. |
| Clogged or inadequatedust system. | Repair or upgradedust system. |
To view the other articles in this series, see:
Moulder Feed Problems 2: Caused by Material
Moulder Feed Problems 3: Caused by Tooling
Reprinted with permission from Diehl Machines, www.diehlmachines.com.
