Features and use:Dumbbell sample machine is suit for half horniness plastic and horniness nonmetal,which are made dumbbell type or rectangle. The sample roughcast was clamped directly after it was eqipped related grip. Appressed rolling milling cutter mill the roughcast.The cutting powder is inbreathed by dust collector. The equipments were equipped with the machine are suit for ¢ñ¡¢¢ò sample grip in GB/T1040¡¶Plastics-Determination of tensile performance¡·. It has be handtailored also according to user's need.