Crown Moulding 6-3/16" - 4

This symmetrical crown molding 6-3/16" - 4 measures 6.187" wide by 1.250" thickness, requiring the use of a 6-7/16" wide blank of six-quarter lumber for milling sprung (laying horizontally flat) on an industrial molder. The symmetrical terminating profile contains a large three-inch radius concave semicircular arc in the center. The cove is flanked by a 3/8" wide by 3/8" tall perpendicular notch, joined to a 5/8" vertical line on top and a 5/8" horizontal line on the design's bottom right side. The set spring angles are at forty-five degrees; these dedicated back bevels keep the face side of the profile parallel to the wall and ceiling when installed. These specific angles also lock in the positioned height at 4-3/8" tall with a 4-3/8" projection across the top.

Review our commentary about axial constant positioning for crown bevels, the article will help you dial this profile in axially provided the machine is properly calibrated. Two high points in the pattern layout were deliberately positioned on the same plane, our disciplined design features will assure excellent hold down conditions while milling as long as the pressure shoe is parallel to the machine bed-plates.

For molding knife quoting purposes, click to open the calculator below; we supplied only the important measurements; enter the appropriate dimension in the boxes provided. A brief detailed explanation on how to use the calculator is located here. If you would like some assistance with the dimensions, print a copy of our fraction - decimal - millimeter chart, place it on the molder or around the shop to help machine operators save time and increase accuracy during setup procedures.

Width = 6.188" / Depth of Cut = .862" (top knives).

Thickness = 1.250" / Depth of cut = .824" (right blades) & .824" (left cutters).