Wire Drawing Dies (TC, PCD, ND)

The key to successful wire drawing starts and ends with the proper wire drawing die and reduction geometry. Sancliff Inc’s wire drawing dies feature the most accurate and optimal geometry available to assure the required wire deformation is accomplished correctly. By properly drawing the wire through the tightly controlled and appropriately designed approach angle section of the die the user reduces the diameter through plastic deformation which is by definition the process of wire drawing. For good wire deformation, it is necessary to select the proper drawing die with the appropriate profile. This will ensure that the die will hold a thin film of lubricant between itself and the wire surface which is essential to minimize friction and maximize die life. Wire Drawing dies are specifically designed for either ferrous or non-ferrous materials as well as heavy or light drafting. Some materials for which the wire drawing dies were designed require areas where approach angles, bearing surfaces and back relief angles intersect to have high polish blends of these transitions. Sancliff, Inc. Wire Dies have smaller radii or sharper transitions for harder materials and larger more rounded radii for softer materials. Most Wire Die wear takes place in the approach angle by immediate abrasion at the meeting point or the area of the approach angle where incoming material and approach angle intersect. To achieve proper and efficient wire drawing it is most critical to calculate this intersecting area correctly. At first the highly polished approach angle will show only small signs of wear at the intersection point but they increase as material continues to collide at the meeting point of the two materials. This wear is characterized by the increasing development of a “wear ring” within the approach angle and at the place that the angle and incoming material intersect. Once the wear ring has developed within the approach angle the die must be withdrawn for re-sizing or re-cutting.