As highlighted in the article “Processing Considerations for Metal Spinning” by MetalForming Magazine, the second installment in a series on metal spinning processes delves into crucial process parameters for achieving successful metal spinning. The article explores the continuous local plastic deformation offered by metal spinning, emphasizing its advantages over global deformation processes like deep drawing.
Assessing spinnability involves the evaluation of workpiece, tooling, and process parameters. Key considerations include material type, blank thickness, blank diameter, minimum wall thickness, corner radii, and part drawing conventions. The significance of understanding the unique characteristics of ductile metal alloys, such as aluminum, stainless steel, copper, brass, tin, silver, and gold, is emphasized.
The article further explores the impact of factors like the spinning ratio (m), feed ratio, roller passes, and corner radii on achieving uniform wall thickness during spinning. Emphasis is placed on the importance of specifying inside-diameter tolerance in part drawings to account for variations in wall thickness.
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Photo and article with all rights reserved, courtesy of metalformingmagazine.com.