Comprehensive engineering selection guide between Tungsten Carbide (CD650/V30) and Powder Metallurgy steel (ASP-23/CPM 10V) for high-speed precision stamping dies.
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Practical engineering guide to mold guide pillar and bushing fits. Sliding clearance charts across diameters Ø16–Ø50mm, bronze self-lubricating vs hardened steel bushings, and ball cage assembly.
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Practical CAD drawing rules for ordering stepped, hex, oblong, and carbide punches — tolerance specifications, R-angle transitions, material grades, and surface roughness.
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Engineering comparison of SKD61 (H13), SKH51 (M2), and nitrided steels for plastic injection mold ejector pins. Thermal fatigue resistance, surface treatment, and thin-pin anti-buckling design.
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