2017 Honda Ridgeline. The Honda Ridgeline is a unique pickup that employs car-like unibody construction in place of the rugged but unrefined body-on-frame setup that underpins its competitors. As a result, the Ridgeline provides a more comfortable ride and better handling than most pickups while still offering decent towing and hauling capabilities.
The flatness tolerance references two parallel planes (parallel to the surface that it is called out on) that define a zone where the entire reference surface must lie. Flatness tolerance is always less than the dimensional tolerance associated with it. Tolerance Zone: Two Sets of Parallel Planes where the entire referenced surface must lie. Gauging / Measurement: Flatness is can be measured using a height gauge run across the surface of the part if only the reference feature is held parallel.
The difference between the thickest and thinnest points on a plate (ex. 2.307â³ thickest measurement, 2.302â³ thinnest measurement = parallel within 0.005â³) Plate flatness: Flatness is not related to thickness or parallelism! Plate flatness is measured relative to a reference surface such as a grinder table or granite table. Flatness is most commonly measured as a deviation per linear foot from the reference plane. One example of measuring flatness: A part is place on three reference blocks resting on a granite table. A precision indicator is then passed underneath the part measuring the distance between the surface of the granite table and the bottom surface of the part.