... easy, convenient and fast, which is applied in varieties moulds, hardware products, glass, crafts, accessories, circuit board extensively such as shoe ... big filling piece 28.rotating coat29.gum cover 30.chuck34.set pin(bolt) 35.spanner36.intake shaft 37.rotating jointMaintenance ... 3.Special attention :Its fever heat is normal when the tool operate without any load. Otherwise, operation with load will ...