Sequence of operation:
Before beginning the process of surface grinding a cylinder head, check corrosion or cracks by visual inspection, using a pressure test machine or magnaflux machine.
· Tidy the workstation and check the accuracy of measuring instruments.
· Check warpage with straight edge and filler gauge.
· Measure thickness of head with a vernier caliper and determine if thickness is within manufacturers' specification.
· Remove dwells or any protruding attachments that are above the surface plane .
· Clean the base of the workpiece on the part that seats on the parallels.
· Secure the cylinder head on the parallels and machine bed with the surface to be ground level to the reciprocating axis of the surface grinder using a spirit level or DTI.
· Dress and true the segmented grinding wheel.
· Grind the surface until it is level and at the desired finish (Use sufficient soluble oil).
· Remove cylinder head from machine and clean head.
· Apply rust inhibitor to machined surface.
The End
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