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    The Rotary-DrawTube-Bending GuideFour Steps to Improved Bendingby Wm Q. Tingley IIIBend Tooling, Inc.Grand Rapids, Michigan, U.S.A.

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    1For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com Table Of ContentsThe Tools Make the Bend ................................................ 1The Four-Step Set-Up ...................................................... 2Step #1: Mandrel Nose Placem...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 23For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com inside back cover). But knowing the limits of what can be accomplished at each point of the “For...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 45For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com outside radius. Therefore, the mandrel nose placement past the line of tangency is critical, becau...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 67For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com of material in the draw-bending process, drag results.Too much drag and you will have terminal hump...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 89For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com is not drawn through and flattened, and it can then form a wrinkle, or small series of wrinkles, i...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 1011For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com TroubleshootingOne of the advantages of the four-step set-up procedure just described is that it ...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 1213For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com Assist Pressure Problems:• Excessive flattening of the outside radius. If excess direct pressu...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 1415For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com TerminologyBend SpecificationsTOD is tube outside diameter, usually measured in inches or millime...

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    For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com 1617For further assistance, phone us toll-free 800-284-8823 or visit our website, www.bendtooling.com tangent section). Before the line of tangency, the tube is straight. Past the line of tangency,...

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    CONVERSION CHARTS:IPS Pipe SystemK-Type and L-Type Copper Pipe SystemNominalNominalDiameterinchmminchmminchmminchmminchmminchmmDiameterinchmminchmminchmm1/8"0.40510.290.0491.240.0681.730.0952.411/4"0.3759.530.0350.890.0300.761/4"0.54013.720.0651.650.0882.240.1193.023/8"0.50012...

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    BEND TOOLING MANDREL AND WIPER SELECTION CHART™0.7511.251.522.534579120NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN5R0NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN7R1NR0NR0NR0NNNNNNNNNNNNNNNNNNNNNNNNN10R1WR1NR1NR1NR0NR0NR0NNNNNNNNNNNNNNNN15R2WR1WR1WR1NR1NR1NR1NR0NNNNNNNNNNNNN20R2WR2WR2WR1WR1WR1NR1NR0NR0NNNNNNNNNN...

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    For more information contact us:Toll-free (U.S.A. & Canada) - 1-800-284-8823Phone - 616-454-9965Fax - 616-454-9958E-mail – info@BendTooling.comWrite us:Bend Tooling Inc.1009 Ottawa Avenue, N.W.Grand Rapids, Michigan 49503U.S.A.Visit our website:www.BendTooling.com© 2011, Bend Tooling Inc.

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