Heading Dies                                                                                                                           Straight Hole Dies

                                          Double Pointing Dies                                                                                                             Washer& Straight Hole Dies

Washer&Straight Holes&Pointing Dies 

Heading dies a set of dies has been named that forming process only by changing the volume is created. In this process, some of the pieces of the part change with the flowing of material from one area to another area . material After the area of ​​the yield stress arrive into plasticity area and the flowing pressure will be equal everywhere in material because in this type of dies usually multi shaping operations are done together. In this type of dies pressure and deterioration are high so in the die brain and die levels to be used of appropriate grades of tungsten carbide that high toughness and wear resistance is relatively good.

 Technical Note

Hot work tool steel selection

Heat treatment salt furnaces in order to achieve tempered martensite steel structure and hardness of Rockwell C with an accuracy of 1

CNC turning with an accuracy of 0.1 mm

Select the appropriate grade tungsten carbide for extruding die

Grinding with accuracy of 5 microns

work done the best shrink-fit calculation for steel hardened and tungsten carbide.

getting a piece as modle and resolve likely problems . 

The final polishing with an accuracy of 1 micron