CAD drawings shall be marked for the cam splitter, which basically includes all structural types: AD type, ATC automatic tool change type, DT type, GY type, separate jack up type, combined jack up type, parallel indexing type, clock type, cylinder indexing type, flange flange type, spindle jack up type, spindle type, hollow flange type. It contains more than one hundred drawings. Cam indexer, also known as cam segmentation in engineering