... pretreat oilseed by cleaning, screening separation, washing, hulling, softening, flaking, cooking etc. 3.Technical parameter of olive oil machine press : Model6YL ... ,delint,soften Second step of pretreatment, by using shucking machine to remove shell of oil seeds, because shell will ... Break oil crops Third step of pretreatment, by using flaking machine to roll oilseeds into base. About 4 valve. Like ...