0850/0850-T1 User Manual
Matrix Machine Tool (Coventry) Limited 29 / 231
5 Dresser System
The compact dresser system comprises of a helix backplate and a directly driven spindle unit. The
backplate is available in two options: Fixed helix (0°) or Adjustable helix (±45°). As standard, the
fixed helix backplate is fitted.
A diamond disc or profiled roll with a 52mm diameter bore is supported by this dresser system. The
roll or disc is attached to the dressing spindle with an expanding collet.
WARNING
Never operate the dressing spindle with just the expanding collet fitted or the
collet will be damaged.
The dressing system also supports the Matrix designed single point diamond holder block (option)
which installs over the spindle shaft without the expanding collet. The single point diamond block
accepts standard diamond pen holders.
Located to the side of the workhead the dresser system can easily be accessed from the front or side
of the machine.
5.1 Fixed Helix backplate (standard)
The dressing spindle is locked at the 0° helix position. Therefore, you cannot make any adjustments
to the dresser helix angle.
With this type of dresser unit the grinding wheel spindle helix (A axis) returns to 0° position when it
needs to perform wheel dressing. Upon completion of the dressing sequence the wheel spindle helix
then returns back to the helix angle required to grind the workpiece.
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