Since the dawn of civilisation, metal spinning has been practiced widely for thousands of years. The tombs of the fourth-century Ptolemaic Eɢʏᴘᴛian pharaoh Petosiris contain the earliest known pictorial evidence. Two men are depicted running a vintage lathe in illustrations. The lathe itself had a relatively little capacity for wood, was supported by pivots, and required ᴍᴀɴual rotation for sanding. Literary evidence demonstrates that lathe work advanced significantly after the development of the “bow.” These bows were used by the Eɢʏᴘᴛians to spin wood, metals like ᴄᴏᴘper, and stones.
Similar advancements in this primitive technology might be observed further east. Ancient Chinese and Iɴᴅɪᴀn craftsmen were sᴋɪʟʟed at using hand bows for spinning and even spinning wheels while working on a lathe. Although it can be challenging to locate physical proof, ᴍᴀɴy of the equipment and materials that were used cannot be used today. On the other hand, spinning is portrayed in literature as a standard technique used all around the world.
Eɢʏᴘᴛians believed that two horizontally positioned wooden poles had been used as a support for a spindle. Rotation in either direction could be accomplished by wrapping a rope around the spindle.
The workpiece was then attached to the spindle, and one craftsᴍᴀɴ worked on the workpiece while the other rotated the spindle. The illustrated images, which depict the wooden posts oriented in a vertical orientation and were discovered inside the tomb of Pharoah Petosiris, have generated controversy. The vertical alignment might be a straightforward diagram or an instance of an early lathe’s design.
In the sculptures, the operator can be seen turning the spindle with a wooden pole, but when more effective processes were created, a “bow” finally took its place. This would make rotating the spindle for regularly used materials like wood, amber, bronze, and stone easier and more fluid.
Naturally, these lathes are smaller than their predecessors due to their progress. They were frequently depicted as workstations in the form of compact disks for machining activities. On these lathes, the operator would turn a large flywheel with the foot treadle. The action of the treadle was reset, enabling the operator to continue pressing down on it.
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Video resource: LA Machines
