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Thank you mactec54... I feel better now.

I have a Tapmatic Tapping Head that I use on my drill presses, but I never thought of using it this way.
https://www.youtube.com/watch?v=cm2gZh5k4F0

I just compared these parameters to an old post showing parameters you provided for allaces for the same VFD = 7200RPM and they seem to be the same as the ones you provided to me for 6000RPM.

I'm...

Thank you very much Mactec54
This is very helpful

I would start a thread but I only now need the parameters for the VFD
I think I can work with 4:1 ratio at 6000RPM = 1500RPM Lowest Spindle Speed

Motor:
80x200 2.2KW 220V 8.5A 400HZ Water...

The machine I'm working on is more of a mill than a router, with an automatic 12 tool changer I designed. It is very rigid...
I've looked at 6000 rpm encoders and it seems that they are available...

That is my plan to synchronize the Spindle and Feed for rigid Tapping, but have not yet worked out the details for that.
Do you have info or recommendations on that as well?

I know some guys do...

OK... With a 4:1 reduction what is the "slowest spindle speed" you would suggest to still get enough torque to break a 3 flute 1/4" machine tap.
Could you provide me with the correct parameter...

Thank you for your response.

Please note that it seems that isakl got his to work for a long time at very low speeds "without" a reduction drive.

Thread milling certainly is an option and I...

I know this an old thread, but I would like to get "your thoughts and input" ( from others as well) if possible on running my 2.2 kw water cooled spindle.
I have a 3hp VFD Huanyang... will the...

I bought one with the optional diamond engraving bit from their website. $89 + 17.95 with free shipping.
I got it yesterday!
I tried other drag engraving tools and none of them are able to do power...

I guess the price difference on "Amazon and eBay" is due to the high price they charge for advertising on their sites.
$89 with FREE Shipping is a darn good price for this complete Spring Loaded...

I purchased one from them for $89 with Free Shipping on their website. I added the Diamond Drag Bit they sell as well.
I can say that the engraving tool holder is well made and functions as claimed....

The link of the tool I'm looking at is:

F.E.T. is the Ultimate and Most Affordable "Floating Engraving Tool" kit available!

The write up on this Engraving Tool sounds very impressive. I need...

Hello,

I'm looking at buying a Spring Loaded Engraving Tool from CNC-Aid.com

It sounds like what I've been looking for to engrave uneven surfaces and the price seems very reasonable compared to...

That should have been your FIRST guess :)
I agree, I know him and he is a very nice guy!

"My guess is the offensive or insulting post" I would hate to have you as a judge
I know him. He's not the type to EVER post insults or attempt to insult ANYONE!
It's either a mistake... or...

I know this guy and he's not the type to EVER insult, offend, or use offensive language.

mactec54 if you know who would instigate his ban and for what reason, it would be nice "for us all to...

Thanks mactec54: I see them and I will let him know (If he hasn't already seen them).

He has put in a ticket, but that doesn't seem to help.
FYI here is a pic the message he keeps getting

He told me that he was unable to post his location as a user, so he contacted CNCzone support. The next day he tried to logon he got the pop up with no email or explanation as to why. The POP say "no...

CNC-Pal just emailed me that he can no longer log on to CNCzone. When he tries, he gets a "message pop up" that says he's been "banned forever" with "no reason given" from CNCzone. Wow... What is...

$648.00 was CAD. It's listed for $489.00 on eBay.