Clay Pots — Part Clamping Devices — Clay Clamping Devices — Part Holding Devices

6 Inch Clay Pot
Four Inch Clay Pot, Part CP-4

The clay pots are an excellent way to hold very complex parts, especially ones that do not have nice square or flat reference surfaces to clamp them by. Select a clay pot that is large enough to hold the part to be measured. The flange of aluminum body of the clay pot is clamped down on the table top of the Coordinate Measuring Machine (C.M.M.), with standard bar clamps such as our 6” long clamp, part number 50030. The bases of the clay pots are precisely machined flat, so that when they are clamped down, they do not wobble even microinches. The body of the part to be measured is simply pressed down into the clay, and the clay is kneaded tightly around all edges. Reference datums are first established by measuring them with the probe. The dimensions of the rest of the exposed part are then measured. After these measurements are complete, the part is pulled up out of the clay and relocated on approximately the opposite side. The reference datums are reestablished by probing them. The previously unmeasured surfaces of the part are surveyed and the inspection is complete. Any residue of the oil based clay can be easily removed with a detergent wash or solvent.

The clay pots are available in two standard sizes

Part number CP-4
is 4 inches (101.6mm) plus wide by 4 inches (101.6mm) plus long. It is 2 inches (50.8mm) deep.
Part number CP-6
is 6 inches (152.4mm) plus wide by 6 inches (152.4mm) plus long. It is 2 inches (50.8mm) deep.
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