Compression Adjustment Guide Sheet

Diameter Compression Thickness Targets

Pipe Diameter	12”	15”	18”	24”	30”	36”	42”	48”	60”
Compression	0.11	0.14	0.16	0.20	0.23	0.27	0.28	0.31	0.46

The Compression Wall Thickness is defined as the combined thickness of both the inner & outer walls. These values can be measured at the middle of any single valley. Depending on pipe size, compression values should be relatively close in thickness. One should attempt to keep the compression values within 20% of the target value in the chart above. Using 30” as an example, the thinnest compression values should be approximately 0.184. Otherwise, an adjustment should be performed using the Corrugator Center Height adjustment and/or the Corrugator Side Shift adjustment.

Use the following Corrugator adjustments to correct compression values for TOP, BOTTOM, VACUUM, and OPERATOR thickness. The Corrugator will be used to compress the resin between the Mold Block valley and the Cool Plug thereby reducing the resin thickness. Note: The ‘Override’ button on the Corrugator touch screen panel must be selected prior to adjusting the Corrugator Center Height – deselect once your adjustment has been made. Always move the corrugator toward the side that is thin.

Troubleshooting Adjustments