Thread Milling dialog - General tab
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Mill Type - Select either Climb
or Conventional milling. This affects the direction of thread for the
cycle.
Units - Specifies the units
used in the cycle. EdgeCAM converts the parameters if these specified
units differ from the part units.
Compensation - Choose between
the Pathtrace and Controller tool radius compensation methods. This determines
how the code generator produces CNC code from this command. As a tool
radius compensation facility is also present in many CNC control systems,
you may wish to consider how best to use these apparently similar facilities.
Tolerance - Specifies the maximum
deviation from the thread form when the Code Generator outputs linear
feed moves as the cutter path.
Canned Cycle - Determines the
NC output, in combination with the 'Full Canned Cycle' setting (below)
and the code generator setup. In the code generator the relevant setting
is 'NC Style, G-Codes and Modality\Thread Mill cycle\Thread Mill Full
Cycle' (this setting is not present in code generators from older, non-adaptive,
templates, so the Full Canned Cycle option is unavailable).
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Thread Mill Full Cycle setting in Code Generator |
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Dialog Settings ▼ |
None |
Multi Turn Helix |
Canned Cycle |
Not Present |
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Canned Cycle 
Full Canned Cycle |
NA |
NA |
NA |
Linear Moves |
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Canned Cycle 
Full Canned Cycle |
NA |
NA |
NA |
Single Turn Helixes |
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Canned Cycle
Full Canned Cycle |
Linear
Moves |
Linear
Moves |
Linear
Moves |
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Canned Cycle
Full Canned Cycle |
Single Turn
Helixes |
Single Turn
Helixes |
Single Turn
Helixes |
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Canned Cycle
Full Canned Cycle |
Single Turn Helixes |
Multi Turn Helix |
Canned Cycle |
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Canned Cycle
Full Canned Cycle |
Linear Moves |
Linear Moves |
Linear Moves |
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Maximum Cut 360 - Cutting the
thread may need more than one revolution of the cutter around the workpiece.
Check so that, when the tool has completed a full 360° (one pitch) of
thread, it leads out and then leads in before cutting another pitch of
the thread. Alternatively, leave blank so that the tool cuts the full
thread in one pass.
Change Start Height - With multiple
starts, there are two ways the tool can approach the other starts:
Check to lead in at the new start angle.
Leave blank for the tool to lead in at a higher position at the original
start angle before starting to thread. Starting at a new height is only
valid for threading downwards.
Cutting Feed - Specifies the
feed rate of the actual cutting portion of the cycle.
Speed -
Specifies the tool spindle speed.
Positioning Feed - Specifies
the feed rate at which the cutter will position itself for the Thread
Mill cycle.
Full Canned Cycle - You only
see this when supported in the code generator. See 'Canned Cycle' above.