PURPOSE: A leather samming machine capable of effectively removing liquid chemicals and additives from raw leather is provided to use the machine for multiple purposes by having an extending function. CONSTITUTION: A leather samming machine includes a machine body(100), a spreading roller(150), a supporting roller(160), first and second upper rollers(121, 122), first, second, and third lower rollers(131, 132, 133), and high-pressure cylinders(141,142). The spreading roller uniformly flattens raw leather by being installed on one front side of the machine body. The supporting roller is located on the lower side of the spreading roller. The upper rollers are located on the upper side of the spreading roller, and the lower rollers are located on the lower side of the upper rollers. Liquid contained in the raw leather is removed while passing through the lower rollers. [Reference numerals] (AA) Proceeding direction of raw leather
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