Copper and brass pressed components
How copper and brass pressed components behave under a press: alloy and temper, blanking tonnage, die clearance, galling, burr limits and inspection evidence.
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Topic hub · 19 guides
Stamping, presses and press tools
Ganesh runs mechanical presses from 20 T to 300 T, a 250 T punching press and an in-house tool room at Mumbai (Vasai). This is the material for engineers and buyers deciding between stamping, laser cutting and press forming: tooling cost, springback, draw ratios, minimum hole sizes, die maintenance and what a stamped part actually costs at volume.
Guides in this topic, page 2
Pressed, punched and deep drawn sheet metal parts, the tooling that makes them, and the DFM rules that decide whether a part suits a press at all.
How to design drawn cups and housings
Blank diameter, draw ratio and punch radius decide whether a cup draws in one hit or tears. A worked example, material limits and the tonnage it needs.
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Blanking, piercing and forming: what each operation does
Blanking cuts the outline, piercing cuts the holes, forming moves the metal. The force, clearance and tolerance each operation needs, with worked numbers.
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Common Stamping Defects and Their Causes
Splits, wrinkles, earing, twisted flanges and growing burrs: how to read a stamping defect back to its physical cause and fix the right variable.
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How to inspect stamped parts for repeat production
Build a repeatable stamped part inspection plan: which characteristics to measure, how to set sampling in strokes not hours, and when Cpk beats counting.
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Progressive die maintenance and tool life
Set sharpening intervals from your own regrind history, read burr height before dimensions move, and know how many grinds a die block can take.
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Transfer tooling from an existing supplier: a checklist
How to move a press tool between suppliers: what to audit, what to take with it, the shut-height and capability checks, and when a new tool is cheaper.
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Stamping tolerances for automotive and industrial brackets
What a press tool actually holds on a bracket, how the tolerance stack builds across bends, and which dimensions belong on the drawing.
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How Springback Affects Pressed Components
Springback explained with numbers: how much a pressed part recovers, why tight radii crack first, and the four compensation methods that hold the angle.
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