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Their youtube videos have some links to direct purchase channels so this was pretty useful. It seems one of the Amazon sellers is factory direct sales as well as one of the aliexpress sellers. ...

It's strange you can't get to that page directly from within their own website. Website has a empty download page.

Solar Jean does not show any model numbers on their listings. How do you know...

Al says the factory told him they use R and T inputs which contradicts the "chose any two" manual. Mactec says R and T is best and other combos may cause damage. We have to interpret the meaning of...

It would cost Haunyang next to nothing to eliminate the questions posed here. They are their own worst enemy.

99% of the people reading this will be running single phase. Haunyang could print some stick on labels that say "This terminal for 3 phase input only." Cover up the S terminal with the label and...

The factory Al consulted seemed to be unable to give him a firm answer when he asked. They only said they used R and T inputs even
though the manual says to chose any 2 of 3 inputs. They can't...

Some of these other manufacturers only have two input terminals for their single phase drives making it impossible to have problems like this.

There is a car insurance commercial on TV now where...

Does this supplementary info point out to the user that they should disregard the hookup info in the outdated manual? Or is it assumed the user will realize they have received contradictory info and...

Wow. This is the most damning condemnation of Haunyang I have ever read. And from Mactec no less!
If the buyer (typically an inexperienced hobbyist) is lucky enough to run across some anecdotal...

You said in post #43 that there was danger of damage.
"...those that have used any 2 as in the instructions have not ended so well..."

Also in post #33 you explicitly stated "...There are...

If the manufacturer added a third current sensor, would that eliminate the possibility of the end user picking the wrong 2 of 3 inputs that is the less reliable combination? How much would that cost...

Teknomotor has a USA distributor. No prices are listed so it's hard to comparison shop but shipping within the US should be a lot cheaper. To OZ, maybe not.
American Spindle, Electrospindles and...

The people buying Huanyang products will probably disagree with that.

It does look nicer although I'm not sure the first one rates "amateur at best". Got any pictures of your own work?

The budget for the enclosures alone is enough to make my eyes water.

Very helpful link and priced per foot is great for the little guy. My last install just ran SO cord inside metallic liquid tight conduit which I got nearly free. The motor is stationary so no flex...

Even better. You can pick it apart without offending Al. I look forward to seeing pics of what a real pro install looks like.

Given your obviously extensive professional experience with this kind of thing, perhaps you could point out what it is there that is so amateurish with Al's installation so the rest of us can be...

For the price I suspect that much. I figured it couldn't be any worse than a Huanyang. I may not buy one for a mission critical application but for a simple home shop application where I have to...

I just got a few of the Delta VFD015M21A off Ebay. The first one had an incorrect label but seems to work fine. The others had a more genuine looking label. Can't say for sure if they are clones...

I understand all of that completely. I said a 0.25HP drive won't run a 3.0HP motor. See the decimal points? They are important, as are periods. Maybe you read too quickly and misinterpreted.
...

I was skeptical when you said in post #5

So now you confirm they all won't work up to the max E series motor size because the max amp parameter limits each drive. We agree, the 0.25HP version is...

I expected my drive might be counterfeit given the very cheap price. It will have an easy life so I think it will be OK but it would be something to worry about for more demanding applications. I...

I am well aware of how things are done in China. Every transaction has two faces. The front door deal and the back door deal. Counterfeits of counterfeits. There is hardly a shortage of...

No disrespect intended, I'm sure your experience in this field is much broader than mine but I don't see how all three labels could be correct.

The Delta catalog clearly shows the output specs...

If you are going to the trouble of counterfeiting a VFD, at least proofread your labels. Here is a picture showing the labels from three VFDs. All are for the same model but only the top label...

Your website is down on Cyber Monday. It is blank except to ask for a user name and password. I wanted to compare prices and specs with
the Gecko Cyber Monday sale.

Last month the stepper I...

I have lots of Gecko drives. Here is a pic of one machine still using the original G201 rev A drives along with one newer model with red cover. I think that was about 1999 when these came out. The...

After experimenting with some short sections of rail and tubing I got the idea that my rails did not get pulled down into the epoxy layer but that the steel tube got deformed around the bolt and...

I looked up the specs on my resin. Assuming proper cure, the bare resin is rated at 17,400-20,300 psi. I'm not sure what the effect of the various additive powders is.

I'm pretty committed...

Yes, I plan to strip off the old epoxy and try again after some research. I'm going to scan through the massive epoxy granite thread and see what additives they use. This surface plate strategy...