Two measurements place a wood lathe and they answer different questions. Distance between centres is the longest spindle the machine will hold, so a stair baluster and a pen need very different machines. Swing is the largest diameter that will turn without striking the bed, which is what limits bowl work. Centres is stated on all eight lines here, from 250 to 1100mm.
Speed control is the third decision. A stepped machine gives fixed speeds through a belt change and holds them steadily, and the Sealey SM1100 runs ten of them at 1100mm centres and 550W. A variable speed machine changes without stopping, which matters where a piece goes out of balance and the speed has to come down mid-cut rather than at the next belt change. Ten fixed speeds cover more ground than the number suggests, because the working range on a lathe is narrower than the span the belt allows.
Swivel head machines rotate the headstock away from the bed so a bowl larger than the swing can be turned outboard, off the end of the machine. That is how a small lathe does large diameter work, and it is why the SIP swivel head bodies at 12in x 36in and 14in x 43in carry the leaf traffic. Motor power is given on seven of the eight lines and voltage on seven.
Copy following is the other capability worth knowing about. A follower traces a template so a set of matching legs comes off identical rather than nearly identical, and the Clarke CWL1000CF carries it at 1000mm with variable speed. A starter machine supplied with a chisel kit removes the second purchase. Questions go over WhatsApp on 07754288583 with the work being turned. The SIP variable speed midi sits between the two approaches, small enough for a bench and adjustable without a belt change.
| Distance Between Centres | 1000mm |
|---|---|
| Turning Capacity | 350mm |
| Watts | 550W |
| Variable Speed | Yes |
| Digital Display | No |
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