One. Four steps and key data calculation method of the drawing die for the drawing die
Summary: drawing die drawing is based on the blank size and metal wire size to determine the drawing way, drawing die hole size and shape of the work, also called drawing process or drawing route formulation. It can be divided into single pass drawing die and multi pass drawing die. Drawing die main steps include the following four steps: 1. Choose blank; 2. To determine the number of middle annealing; 3. Make sure the drawing time and channel allocation coefficient of elongation; 4. Model checking. The circular section of the metal wire drawing and profiled metal wire drawing two situation, specific details of the drawing die steps and calculation methods.
Two. Introduction of the principle of the model of the sliding type wire drawing machine and the calculation of the model
Summary: drawing die refers to our drawing process, the methods of drawing die are chosen by the dollar. A reasonable allocation of the model has two main points and mechanical; sliding type wire drawing machine has the fixed pull wheel speed ratio, the dynamic type drawing machine with die calculation example, calculate the copper 7.2 mm and appeared to pull rod to 1.6mm copper related data.
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