Chair Rail Moulding 3-1/2" - 55

This sophisticated chair rail/symmetrical casing molding 3-1/2" - 55 measures 3.500" wide by .750" thickness, permitting the use of a 3-3/4" wide piece of four-quarter lumber for milling on an industrial molder. The symmetrical profile contains a 7/16" broad half circle on the top center. The bead connects to a 1/2" wide concave semicircle flanked by short beveled lines. The chamfers are joined to a two tangent radius elliptical-shaped bead on each side edge of the design.

Review some of our helpful moulder and knife grinding articles, they will assist you in many aspects of machine set up and knife grinding procedures. These commentaries are to help you get more familiar with the machinery while doing your work a little easier in the process.

For 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 = 3.500" / Depth of Cut = .536" (top knives) & .062" (bottom blades).