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The original was posted on /r/3dprinting by /u/Able_Loan4467 on 2024-11-02 15:29:54+00:00.

I bought a VEHO-600 about 3 months ago, and it’s been a nightmare trying to deal with it and the company. They ignore me all the time, refuse to send replacement parts, the engineering is absolutely terrible, with major fundamental design flaws everywhere. Parts jam and fail, holes are in the wrong place. I paid for a replacement extruder and waited for it to arrive - and it turns out they sent me the wrong one! I strongly suspect from the manuals and pictures that they sent me some old obsolete printer, for which they no longer have replacement parts. Which wouldn’t be an issue if they did their engineering right and used standard widely available parts instead of trying to make everything custom and then doing a bad job so it doesn’t work and can’t be fixed.

I’ve spent almost 1.5 months working on this machine and have only gotten 2 prints out of it. Two. About 1.5 kg of plastic. Just MPLA.

The design flaws include:

The extruder has a problem where the metal is hitting one side of a gear in the mechanism, causing jamming. It took me forever to figure out what was going on, and I had to dismantle it all and sand things down. The stress of the jamming damaged the tiny ball bearings and they need to be replaced but the parts are glued together. I’ll eventually have to heat it with a torch to destroy the adhesive and dismantle it and replace the bearings.

The structure of the machine is fundamentally flawed, they commit the sin of overconstraint.

There is no way to level the bed properly, I had to bodge something and do it all manually and have to re do it all the time.

I’m a cnc machine technician and have used about half of what I know just to get this thing working at all, and it has taken absolutely forever. Anyone else would have sent it back a long time ago.

The engineer who designed the machine is clearly a novice, they do things like stacking parts one on top of the other in long chains, which is terrible for alignment and maintenance etc. and yet saves no money.

And then their business practices are even worse. They literally just ignore me when I ask about getting replacement parts. They sent the wrong extruder when I ordered (and paid) for a replacement through the website.

I’ll have to file a paypal dispute, by the look of it. They are just thinking they can rob you and get away with it. Honestly, why bother with making printers if you are just trying to scam people? It makes no sense.