A few years ago I looked into a suitable machine for clock dial engraving but didn't really get anywhere as I didn't really get any positive vibes about the machines available on the market.

I've posted a picture below of a hand painted dial I have made previously and I'd like to reproduce this by engraving on CZ120 brass.

Click image for larger version. 

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The depth of engraving doesn't need to be deep and I don't care about running a machine at very slow feed rates, but I do want to achieve crisp engraving with curves which do not have visible steps.

I'm exploring what is available again and it appears that in the UK Sainsmart and FoxAlien appear to be the budget machine suppliers. I'm aiming for a machine with ball screws for accuracy.

I've spotted the Sainsmart 3030-ProVer Max https://www.sainsmart.com/products/3030-prover-max and wondered if people thought this might meet my needs? The design looks sturdy and it claims to be suitable for metal. My feeling is the spindle would need upgrading...