Very often it is necessary to redress the corner of a grinding wheel to maintain a sharp, 90 degree corner. Instead of disrupting the grinding operation and mounting a wheel dresser, it is possible to simply use the boron carbide stick manually. With some practice this becomes routine and is...
Use a grinding wheel that has a hardness to last for some time, but soft enough to maintain a free cutting edge. Conduct spark tests in little light to make it easier to see the spark color. As a recommendation, use standard metal samples when comparing sparks with test patterns. When ho...
A drilling machine, called a drill press, is used to cut holes into or through metal, wood, or other materials (Figure 4-1). Drilling machines use a drilling tool that has cutting edges at its point. This cutting tool is held in the drill press by a chuck or Morse taper and is rot...
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