The costs of building a tapping die (including the tapping unit) are usually
considerably less then building a high speed secondary tapping machine.
Secondary tapping machines are usually dedicated to a single part, whereas
a tapping unit can be changed from die to die. This reduces the initial
cost of subsequent tapping dies, making lower volume tapped stamped parts
feasible for in-die tapping.
Cost: In almost all cases in-die tapped parts are produced at a far
faster rate then secondary tapped parts. With ATS's new high speed tapping
units, the tapping unit no longer becomes the limiting factor in how fast
a tapped part can be produced. Now the size of the tap and material being
tapped will determine the ultimate production rate of a tapped stamped
part. Some customers presently are running the new ATS tapping units close
to 200 strokes per minute producing millions of tapped stamped parts monthly.
Whether tapping high speed brass electrical parts or larger steel automotive
parts, ATS's tapping units have proven to be most competitive in the industry.