Blackalloy™ "525"™ Spitfire Tools
tool compound "525"™ requires a grinding technique
that is not difficult. Several easy precautions are necessary
to prevent cracking and checking.
the proper grinding wheel. The chart below shows our recommendations
for grinding wheel selection.
the wheel in the recommended speed range. Use our simple
cross reference chart to translate your wheel/motor RPM
combination to surface speed.
local overheating by traversing the work continually with
respect to the wheel.
either a generous coolant supply or none at all. Cutoff
wheels must be run dry.
the wheel frequently to keep it free cutting.
quench the tool after grinding.
use excessively hard wheels. Common aluminum oxide wheels
are more than suitable.
use too heavy pressure.