To develop the flat blank contour of a drawn corner for rectangular drawn shell is not an easy task and there isn’t any formula that will produce a flat blank corner contour exactly conform to the print. Extra material will always produce at the edge near the center-line of the drawn radius; this is...
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Some readers wrote to me asking what is the best, recommended bend radius for cold rolled steel after reading my previous post, entitled “Good way bend and the bad way bend” while some engineering students from India asked for formulas for tooling design. P.S: It is highly recommended that, readers put their questions and...
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Side cam design is a common feature in tool making industry which could be applied on almost every tool that requires side cutting, side forming, clamping, rolling etc. Some mathematicians said the best side cam angle is about 43 degrees. At this angle; friction produced between both the contacting elements is reduced and thus...
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We used to receive many RFQ (Request Of Quotation) from our customers asking for price offer. If you study the prints carefully, you may see some sheet metal components were designed in the bed way bend. The bend radii are stated as sharp or only a small radius is allowed. When we spotted this...
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