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It is the radial distance from spindle center to bed guide ways so that it can be turned with out fouling bed and it is termed as swing over bed. If it is a gap bed machine then another swing specification termed as swing over gap. Another swing specification is swing over cross slide. This specification become important while machining a job in between centers.
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How do you modify a lathe if the job is more than the swing bed size?
The swing of a lathe can be increased if the gap-bed section is removed, providing the lathe has this option and the workpiece is not longer than the gap when clamped in the chuck.
How do you specify lathe?
The lathe is Specified on the basis on the following factors: 1.Lathe swing or simply swing i.e maximum diameter of the workpiece that can be machined. 2.Maximum distance between the HEadstock and tailstock. 3.Length of the bed. then there are many kinds of lathe categorized by their specific functions or mechanisms but these are the general specifications for every lathe.
What is the size of a lathe that measures 6in from the center of the spindle to the main bed?
A lathe that measures 6 inches from the center of the spindle to the closest part of the bed is considered a lathe with a 12 inch swing.
What is a gap bed lathe?
The bed of a lathe is the central beam that runs down the machine. The head, which holds and turns the workpiece, is fixed at one end, there is a tailstock at the other end which can be adjusted along the bed, and usually a carraige in between, which holds turning tools. The workpiece that can be turned in the lathe is limited to what will fit in the head without hitting the bed. A gap bed lathe has a gap in the bed near the head, so a larger workpiece can be turned.
What two factors are used to determine the size of a lathe?
The two factors that determine the size of a lathe are the "swing" and "distance between centers". The swing of a lathe is the length measured from the center of the hollow spindle or chuck to the nearest part of the bed multiplied by two. Distance between centers is the distance measured between the chuck and tail stock.
