GRINDING STRAIGHT CARBIDE ROUTER BITS
In general the set-up and procedure for grinding
carbide router bits is the same as for high speed
The main difference is that the carbide router bit
must be ground with a diamond wheel and that the
amount of feed used on the diamond wheel should
not be more than (.0005) one-half thousandth per
and No. 21.
GRINDING SPIRAL CARBIDE ROUTER BITS
The set-up for grinding carbide spiral router bits is the
same as for high speed steel spiral router bits. The main
difference is that a diamond wheel of the D11 type (flaring
cup) must be used and an in-feed of but (.0005) one-half
ILLUSTRATION NO. 23
GRINDING A STRAIGHT PLANER CUTTER
Mount spring loaded stop finger so it will clear
grinding wheel. The base of the stop finger must
be mounted onto the table so it will move with the
Adjust stop finger up or down to get proper
Set table stops so that grinding wheel can be
cleared when cutter is rotated.
Bring grinding wheel up close to cutter and dry run
to see that stops and set-up are correct.
Turn on grinder motor and take a very light pass
Re-adjust stop finger up or down as needed to
ILLUSTRATION NO. 22
grind the entire surface of cutter.
GRINDING END OF SPIRAL CARBIDE ROUTER BIT
GRINDING SPIRAL PLANER KNIVES, HIGH SPEED
GRINDING STRAIGHT PLANER KNIVES HIGH SPEED
STEEL OR CARBIDE
STEEL OR CARBIDE
Dress flaring cup wheel for high speed cutters as
Wheel Dressing-for grinding high speed steel
shown in illustration No. 10.
cutter, dress flaring cup wheel as shown in
illustration No. 10.
Set-up grinder with sub-table and centers as
outlined for straight planer cutters.
Set-up grinder with sub-table and centers as show
Set-up stop finger base onto base of grinder. See
face toward front of machine.
Mount cutter on appropriate mandrel or if cutter
Use the rigid stop finger for spirals.
has centers, mount directly onto centers of the
Lock table In position so that the cutter is just
clearing the grinding wheel.