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Recent content by JonFinn

  1. J

    m6 helicoil - 6.3mm drill, can i use a 1/4

    The Aerospace specification for Metric Helcoil specifies a minor of 6.217 - 6.407mm. You're on the high but if it's good enough for aircraft...
  2. J

    advice on how to machine a back side counterbore.

    Fine boring head with a back boring bar. Orient the spindle and enter off-center.
  3. J

    Fanuc 16/18i TA setting 701 Fan Overheat Alarm. What signal to clear?

    It is normally a Tach with a pull down signal. I had a similar issue with a 'similar' replacement fan not satisfying the drive. Fanuc tech said the fan wattage is important so make sure they match.
  4. J

    What does this mean?

    G50.1 is for a Mill. Programmable mirror image cancel
  5. J

    Fanuc 31iB turning center cutter comp

    Just add G41 on the first lateral move and then cancel with G40 on the last lateral move. Use the R Offset register for your cutter radius comp.
  6. J

    Dmg mori NlX 2500Y/700 oil cooler j4 warning light

    It is not uncommon for a thermistor to fail in these units. In the status mode you can use the down button to see which thermistor has the problem. 0 comes from the machine, 1 is Th2 which is Outlet Temp, 2 is Th3 Ambient, 3 is Th4 Oil inlet, 4 is Th10 Pump Outlet They are normally all pretty...
  7. J

    Lathe losing hydraulic fluid

    fluorescent dye and UV flashlight is the way to go
  8. J

    HIGH PRESSURE COOLANT MORI SEIKI

    Did you open the valve to dump the coolant from the dirty filter bucket? When the filter gets dirty it causes the coolant to flow out of the opining at the back/top of the filter bag. That then fills up the area in the back of the filter housing and raises the float switch that closes the CR4...
  9. J

    HIGH PRESSURE COOLANT MORI SEIKI

    It depends how it is wired, but this can just show up as a catch-all alarm coming from the H/P unit. The alarm signals from the HP unit are just relays that close to send 24VDC to the machine. What type of HP unit is it?
  10. J

    G53 CMP. ERR

    G330 will home the sub spindle. No B coordinate needed.
  11. J

    Mitutoyo digital mic battery replacement frequency?

    It's just the nature of the tool. They have no on/off switch so any movement will switch them on. The only way I have found to make them last longer is to lock the thimble when you put them away. That way, they do not switch on every time you open the drawer.
  12. J

    esprit swiss model

    UVW plane can be anything. It just means that you have translated or rotated the workplane and not yet named it. Import your model on XYZ and then rotate until it is on the correct orientation. For a lathe part the barstock will be aligned with the global X axis.
  13. J

    Y Axis way cover Wiper

    I have used BUWW Coverings in the past.
  14. J

    BACKUP BATTERY FOR SERVO TURRET DRIVE

    I have a Doosan lathe - different model but possibly the same issue. In addition to the batteries that are on the outside of the electrical cabinet door, there is another small servo drive inside the cabinet on the bottom left. This is just for the turret and has a small battery compartment on...
  15. J

    0i Tailstock hitch up position

    The alarm is being generated by the very first line in the Macro: IF #503 is Not Equal to #504 then GOTO N99 The first N99 is where your TAILSTOCK MACRO POS ERROR alarm is being generated. So, #503 and #504 variables must be the same. I don't know what they are or what they are supposed to be...
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