Die design and diemaking practice: a treatise for die designers and diemakers, containing illustrated descriptions of a large variety of selected dies for all kinds of power press operations, with practical information and data on approved designing practice and die construction
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ing or shearing pressure by actual test Finding center
MATERIALS USED IN DIEMAKING
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alignment angle annealing attached bell center bending blank diameter blank-holder blanking punch block bolster bottom cast-iron Cerrobend clamped clearance coil springs cold-rolled construction counterbored cutting edge cylindrical die-bed die-block die-holder die-shoe double-action dowel-pins drawing operation drawing punch drawing ring drawn drilled ejected ejector employed equipped fastened finished flange flat blank forming gage gear grain growth groove guide pins held holder illustrated in Fig inch inch thick knock-out latch located lower lubricant machine steel magnesium means metal method necessary performed piece pierced holes piercing punch plug plunger position press ram pressure produced punch H punch press punch-holder radius redrawing removed rotor rubber scrap screws sections set-screws shank shape shearing sheet shell shown in Fig side slide slot stop stop-pin stripper plate sub-press surface swaging taper templet tion tool steel trimming upper washers