Heavy machines mean heavier cuts, higher rigidity and less vibration. For longest life and highest precision, always choose a lathe with a heavy-duty cast iron base. Anything less than 2 hp or so is not enough for metal cutting.
The chuck needs to be large enough to hold whatever workpiece the machinist has in mind. They need at least a three-jaw, four-jaw chuck as well as a control panel and tailstock.
How many types of spindle bearings are used and how far apart they are is equally of concern, cheap spindles with low quality bearings will only cause problems after a year or two.
A wider bed provides greater stability and better results in turning operations.
A foot brake is necessary to quickly stop the spindle. A gear headstock with multiple speed ranges helps ensure that the mechanic has enough power available. The hardened and ground way ensures many years of productive use. A job button makes shifting easier. Buyers should ensure that the lathe has the correct thread cutting capabilities.
The tool holder should be easy to change and adjust the tool. For shaft machining and other longer parts, a stable stand helps make the job easier. Dials make lathe operation easier and less error-prone, and should be purchased if you can afford it.
For those in the market for a heavy duty lathe, any mechanic will help himself by expanding his search to include tool lathes that include heavy duty lathes. They’ll likely save some money by buying a more general-purpose lathe, and will almost certainly have a higher-quality, more durable machine.
Post time: Feb-22-2022