Lapping Granite Surface Plate

Use these precision ground plates with lapping compounds to create extremely flat surfaces on your workpiece.

Lapping granite surface plate.

Grooved surface captures the abrasive and holds it in place during lapping. The granite used in a granite surface plate is graded by quality with these four levels of quality. The surface plate is often used as the baseline for all measurements to a workpiece therefore one primary surface is finished extremely flat with tolerances below 11 5 μm or 0 0115 mm per 2960 mm for a grade 0 plate. We provide granite lapping plates that are used for accurate hand lapping of material such as nylon plastics ceramics and other non ferrous material.

Standridge granite surface plates provide an accurate reference plane for work inspection and for work layout. Smooth surface is for very fine lapping with small abrasive grains. Each of the plates has 3 mm wide and 3 mm deep serrations on working surface equally spaced at 25 mm and have lapped surface finish. These are available in square and rectangular sizes and are made up of black granite.

We are the leading manufacturer and supplier of a superior quality array of granite surface plate cast iron surface plate lapping plate cast iron angle plate cast iron angle plate cast iron box angle plate bench centre pcd gear testing attachment etc. Brand new cast iron machinist lapping plate. Aa this is a laboratory grade granite. Try square out of steel dial comparator stand etc.

Grades of granite to consider when looking at a granite surface plate for sale. Hhip 4401 2418 black granite surface plate grade a ledge 0 24 length x 18 w. Their high degree of flatness overall quality and workmanship also make them ideal bases for mounting sophisticated mechanical electronic and optical gauging systems. In this video we see the process for inspection and reconditioning granite surface plates.

A surface plate is a solid flat plate used as the main horizontal reference plane for precision inspection marking out layout and tooling setup. The plates are inspected and calibrated with an autocollimator and.