
EMCO WINNC SINUMERIK 810/820 T
B 7
BASICS
Tool Data Measuring by Scraping
Manual Calculation
• Clamp a workpiece with exact measured diameter.
• Select the mode JOG
• Traverse with the tool turret disk onto the workpiece
(standing spindle)
Reduce feed to 1 %
Hold a sheet of paper between workpiece and tool
turret disk and traverse with the tool turret disk (tool
mount reference point) so far onto the workpiece
until the paper stucks.
• Read and note the actual Z position (Z1) of the
slide.
• Move away the tool turret from the workpiece and
swivel in the first tool to be measured.
• Traverse with the tool tip onto the face of the
workpiece, insert paper, reduce feed.
• The difference between old and new Z position is
the tool offset L2 = Z1 - Z.
• Traverse with the tool tip onto the circumference of
the workpiece, insert paper, reduce feed.
• Read and note actual x position (X1) of the slide.
• Slide position X1 and diameter of the workpiece D
are diameters; the tool offset L1 is a radius.
• L1 =
X1-D
2
• Enter the values L1 and L2 and the type (cutter
position) and the cutter radius for the respective
tool offset..
• Repeat this sequence for the following tools.
Automatic Calculation
• Clamp a workpiece with exact measured diameter.
• Select the mode JOG
• Traverse with the tool turret disk onto the workpiece
(standing spindle)
Reduce feed to 1 %
Hold a sheet of paper between workpiece and tool
turret disk and traverse with the tool turret disk (tool
mount reference point) so far onto the workpiece
until the paper stucks.
• Read the actual Z position (Z1) of the slide and key
in this value into the input line.
• Press softkey TO AUTOM.
• Move cursor to the input field "reference Z" and
take over the actual Z position which was put in into
the input line by pressing .
• Enter workpiece radius as "reference X".
• Move away the tool turret from the workpiece and
swivel in the first tool to be measured.
• Traverse with the tool tip onto the face of the
workpiece, insert paper, reduce feed.
• Enter the type (cutter position) and the cutter radius
for the respective tool offset.
• Press softkey TO AUTOM.
• Enter tool offset number, ZO no. = 53 and press the
softkey STORE Z-AXIS.
• Traverse with the tool tip onto the circumference of
the workpiece, insert paper, reduce feed.
• Press softkey STORE X-AXIS.
• Repeat this sequence for the following tools.
Note
With drilling tools (type 10) L1 is the length of the tool
in Z direction.
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