Tool and die is the first step for starting die casting process, who is made up of two halves. Before die is ready for next part injection , each die half needs to be first cleaned from the previous injection and then lubricated. The lubrication will help to increase the size accuracy, as well as the number of cavities and side-cores. Also, depending on the material, lubrication may be required after 2 or 3 cycles, not each cycle. After lubrication, the two die halves, which are attached inside the die casting machine, are closed and securely clamped together. Sufficient force must be applied to the die to keep it securely closed while the metal is injected. The time required to close and clamp the die is dependent upon the machine – larger machines (those with greater clamping forces) will require more time. This time can be estimated from the dry cycle time of the machine.