The Spindle Doesn't Rotate; Abnormal Cutting Is Performed; The Origin Is Misaligned; The Feed Rate Or Spindle Speed Is Wrong - Roland MDX-40A User Manual

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Are two or more machines connected to a
single computer?
VPanel cannot control more than one machine at the
same time. Never connect two or more instances of
this machine to a single computer.
Is VPanel displaying an error message?
 P. 83, "Responding to an Error Message"

The Spindle Doesn't Rotate.

Is a front cover open?
For safety, the spindle does not rotate when a front
cover is open. Close the front cover.
Is a large amount of cutting waste pres-
ent?
Clean away any cutting waste. Clean the area around
the spindle head especially carefully.
 P. 76, "Maintenance"
Has a setting been made to keep the spindle
from rotating?
In VPanel, click the [Setup], then click the [Modeling
Machine] tab. Here, select the [Control spindle via
commands] check box.

Abnormal Cutting is Performed.

Is the location of the origin set correctly?
Check whether the origin has been set correctly. An
incorrect origin location may result in cutting at an
unintended position.
 P. 61, "About Origin Point, " "Setting Origin Point, "
Is the command set correct?
Make sure the appropriate command set for the
program you're using has been selected. An incor-
rect command mode may lead to errors, unintended
operation, or no operation.
 P. 46, "Selecting the Command Set"

The Origin is Misaligned.

Is the correct workpiece coordinate system
selected?
In the NC program, there are six coordinate systems.
Depending on which coordinate system is used, the
position of the origin differs. For instance, if the NC
program uses G55, the origins must be set relative to
workpiece coordinate system G55.
 P. 61, "Setting Origin Point," and "NC Code Reference
Manual"
Has the EXOFS setting been made?
The EXOFS in the NC code have a function to shift
the origin. Set EXOFS to zero, then redo the settings
for the origins. If the origin is still shifted, check the
program.
How to set EXOFS to zero:
1. Select [Machine Coordinate System] from the display of
the coordinate system on the VPanel.
2. Move the tool position to "X: 0", "Y: 0", "Z: 0. "
3. Select [EXOFS] at the [Setting Reference Point].
4. Select [Set "XYZ origin" here] from [Set Origin Point] and
click [Apply].
 P. 46 "Selecting the Command Set, " and p. 48, "Moving
the Tool"

The Feed Rate or Spindle Speed is Wrong.

Has an override been set?
An override changes the feed rate or spindle rotation
speed. Check the settings for overrides. Unless you
have a special reason for changing them, leave all
overrides set at 100%.
 P. 68, "Override"

The Cutting Results are Not Attractive.

Is the cutting condition optimal?
The optimal cutting parameters are determined by
a balance of such factors as the hardness of the ma-
terial, the feed rate, the spindle rotating speed, the
cutting-in depth, and the capacity of the tool. Refer to
the results and try fine tuning the parameters.
Chapter 5 Appendix
Chapter 5 Appendix
5-4 What to Do If...
79

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