McNeal Tool Company of Cedar Rapids, Iowa, a wholly owned subsidiary of Mid Iowa Tools, Inc., specializes in the sales and support of precision metrology instruments and services.  This includes provision of gage calibration services to a national manufacturer of window and door products that are sold into residential and commercial markets. According to Wayne Schneider, McNeal Tool Field Engineer, “Many of the customer’s products include wood and extruded or roll-formed materials processed to length using tenoners, molder/profilers, or saws.  The length of these pieces can measure from around 90” to 140” or more, with tolerances typically kept to within ± 0.002”. To help keep machining processes centered on nominal values, the customer utilizes an SPC measurement routine that includes periodic use of long, single-axis measuring tables specifically designed to verify accuracy of long workpieces. The measuring tables are about...