TOMATECH AUTOMATION
point B reversely, read the current data.
Fig. 4-4 Schematic map of backlash measuring method
� Backlash error offset value= | data of point A –data of point B |; then input its outcome to
the
data parameter No.034（BKLn） (for X axis, multiply 2 and then input the outcome to data
parameter No.034).
Data A: dial-indicator data at point A
Data B: dial-indicator data at point B
Note 1: The backlash offset mode can be set by Bit7 of CNC parameter No.011; the backlash
frequency can
be set by Bit6 of parameter No.011 and Bit4, Bit3, Bit2, Bit1, Bit0 of bit parameter No.010.
Note 2: Check the machine backlash every 3 months.
4.8 Tool Post Debugging
TAC-100XT supports various kinds of tool post, and the parameter settings are based on
the
machine manual. The parameter settings for the tool post running are as follows:
BIT2(TSGN) of K parameter No.011: high/low level selection of tool post in-position signal,
when
the signal is low level active, a parallel pull-up resistor is needed.
Bit3 (CTCP) of K parameter No.011: check/do not check tool post lock signal in tool
change;
Bit4 (TCPS)of K parameter No.011: tool post lock signal HIGH/LOW selection;
Bit5 (CHET) of K parameter No.11: check/do not check tool signal;
Combinations and functions of tool change mode selection Bit1(CHTB), Bit0(CHTA) of K
parameter No.11 are referred to Tool Change Control.
Data parameter No.076: Duration for moving a tool in tool changing
Data parameter No.078: Upper limit time for changing one tool
Data parameter No.082: Delay time from tool post CCW stop to CW clamping start
Data parameter No.084: Total tools number
Data parameter No.085: Delay of tool post CW clamping
If the tool post doesn’t rotate at first power on for tool change, the phase connection of the
3-phase power of the tool post motor may be incorrect, it needs to press the RESET key
immediately
and cutoff the power, then check the wiring; if the fault is caused by this, exchange two
phases of the
3-phase power.
The CW clamping duration setting should be proper, it should be neither longer nor
shorter,
Data reading
position
A
B
Reverse
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