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HI THERE,MY M/C IS A MAZAK QT15N IM IN TROUBLE WITH MY COOLANT PUMPS. WELL NOT THE PUMPS EXACTLY. I HAVE BOTH OF THEM UNPLUGED. AND WHEN I TURN ON THE COOLANT I GET ERROR MESSAGE 264 THERMAL TRIP . THE MANUAL SAYS COOLANT PUMP MOTOR THERMAL RELAY HAS BEEN TRIPPED. SO I NEED TO KNOW 1)WHERE I IT...

thanks for your help guys. i just got a mail from another guy with this link http://www.sct-usa.com/pt12.asp .

i think it depends what the thickness is. you can buy "Drill-N-Tap" from J&L and probably other suppliers, there not expensive. they are only suitable for through holes. basically its a drill and half way up its a tap. so you drill through your part and then tap it in one. in my very...

no, the hole is full diameter for 18mm deep. the tap is only going down 10.5mm approx. thanks, mrainey.

thanks gbent, if i had a gauge then it would tell me that i needed to tap the hole deeper. but the tap wont go down any deeper.

Thanks guys, I think mrainey's last point is a key issue. "length of effecive thread is not the same as required tap depth." looking at your link http://bellsouthpwp.net/r/s/rsnmar/METhreads.zip as you have allready pointed out it seems that the tap depth of 18mm shown on my drawing is...

gbednar, Thank you very much, this makes sense.where would i get a screw data selector like yours?

Hello, I am wondering about tapping a 1/4" NPT threads. The drawing from my customer shows the hole 18mm deep and tapped this depth. I see from the handbook the tapping size is 7/16". when i drill my hole then go to tap it, the tap won't go down this depth, maybe only 10mm. Should the...

Hi there, We are thinking about trying to make up some driven tooling for our Mazak QT15N 1991 maybe use a small hydraulic motor driven by a seperate power pack. just for milling a flat, slot, or drilling a hole. Obviously the m/c has no c-axis or spindle break , so we were thinking of removing...