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Tapping is one of the best features of vfd's you can have forward and reverse buttons for instantin and out of the tap. Also very handy if you want to just jog slowly with an indicator or jog a bit to get to the adjuster on a boring head that always ends up on the back side so you cand see it.

Everything you say is correct, but on my mill I can always use the low range at higher speed. My 15" lathe has a 7hp motor and a 10 hp drive and it will take .250 cuts at higher speeds with no problem.

I have three of their GS2 units and they all have been trouble free.

https://www.automationdirect.com/adc/shopping/catalog/drives_-a-_soft_starters/ac_variable_frequency_drives_(vfd)

I get all mine from automation direct now they are about $100 more than the amazon units but the quality is much much better and you get phone support from the US office and the manual is written in plain English and easy to understand.

That is exactly what I found to be the problem, I ended up ordering a GS2 drive from automation direct and it runs perfectly. Automation directs drives are very reasonably priced and the quality is many times better than the run of the mill Chinese junk from ebay or amazon and you get 24/7...

You are probably seeing the backlash in your cross slide. Feed in until it reads then zero it then your backlash will be taken up.

Do you have a way to grind the face?

i have sent several emails to them complaining about that, they claim to be adding that very soon. But they have been saying that for a year now.

So I'm in the process of building a power drawbar for my mill, I'm using a single-acting spring return air cylinder and a butterfly impact. I need to run the impact forward and reverse and the cylinder needs to activate when the impact is in both forward and reverse. I want to use an electrical...

It's all about the rigidity of the entire saddle assembly. The machine size and mass has a lot to do with it also as does the material being parted.

I pretty much just use McMaster, everything they have is the real thing from well known manufacturers at reasonable prices so you always know what you will be getting. They also have quick shipping.

I have always figured if these discs are just hit with some sandpaper and sent to recycling or thrown into the the trash or sent to recycling center what are the chances that some nefarious individual would be interested in picking out random pieces of garbage and attempting to recover any data...

Ok thanks I'll look for it.

There is a lot of useful stuff there, thanks for the link.

Just what I was looking for, thanks.

Thanks, I'll try it.

I checked the site map and I don't see the pdf.

Wow, excellent! Thanks a lot!