Question
Download Solution PDFWhich tool is used for forging compressive force application?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Forging
- Forging is the process by which a metallic part is deformed to final shape with the application of pressure and with or without the application of heat.
- Forging involves the application of compressive stress which exceeds the flow stress of the metal.
- This stress is applied either quickly or slowly.
- Roll forging (also known as hot forge rolling) is a process for simultaneously reducing the cross-sectional area and changing the shape of heated bars, billets, or plates by passing them between two driven rolls that rotate in opposite directions
Fullers
- Fullers are used to reduce the cross-sectional area of a portion of the stock. The metal flow is outward and away from the center of the fuller.
- Fullers are used for necking down, grooving, and drawing a piece of work.
- Fullers are made of high carbon steel in two parts, called the top and bottom fullers. The bottom tool fits in the Hardie hole of the anvil.
- These are used for hot work only.
Swage blocks
- Swage blocks can be used for bending, punching, drifting, and shaping of the metal during forging
- Variously shaped grooves on the side of the swage block are used for shaping and finishing
- The grooves around the edges, when used with a matching top swage, will produce the desired shape
- The swage block is made of malleable cast iron
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