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Rotary vs versatile roller for tumblers at volume?

Beth CarrowBeth Carrow15 August 2026 3 replies 563 views

Doing roughly 300 powder-coated tumblers a month. Currently using the rotary extension and it's fine but setup per item is slow — I'm losing a couple of minutes each time getting the alignment right.

Is the versatile electric roller genuinely faster for straight-walled tumblers, or is it the same job with different clamps?

3 replies

Ken ItoKen ItoLP52 weeks ago

Different tools for different shapes. The roller wins on straight-walled cylinders because you just drop the item on and go — no chuck, no centring. The rotary wins on anything tapered, stepped, or where you need a known rotation reference (rings, stemware, bottles with a lip).

For 300 straight tumblers a month I'd use the roller and build a hard stop jig so every item lands in the same place. That's where your two minutes goes — not the clamping, the finding-centre-again. With a stop block you're at maybe fifteen seconds per item.

I sell a cradle file for exactly this but you can cut one from 6mm ply in twenty minutes. Two uprights, a V rest, a stop at one end, done.

Beth CarrowBeth CarrowLP42 weeks ago

A stop block. Of course. I've been re-finding centre 300 times a month like a lunatic. Cutting a cradle tonight.

Sana QureshiSana QureshiLP42 weeks ago

One warning on tapered tumblers with the roller — the top and bottom travel at different speeds so the engrave stretches. Tapered goes on the rotary, straight goes on the roller.

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