Cylinder sleeve casting technology
A casting process and cylinder liner technology, applied in the field of cylinder liner casting process, can solve the problems affecting the service life of the engine, abrasive wear, etc., and achieve the effects of good oil storage capacity, improved wear resistance, and refined metallographic structure
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[0009] Example: A cylinder liner casting process, first process Ti and Sb into synthetic particles of 2-3mm for later use; then the alloy is melted in proportion, among which C3.8%; Si 2.0%; Mn 1.5%; P 0.4%; S 0.09%; Cu 2.2%; Cr 0.45%; Fe 89.56%, when the smelting temperature reaches 1550°C, add synthetic particles in proportion, of which Ti 0.45%, Sb 0.4%, the particles are added and purified for 6 minutes, and then inoculated twice. Inoculate the inoculant in the large bag first, and then in the pouring bag; the pouring temperature is 1380°C~1320°C; the pouring speed is 2kg / s; the cooling intensity is water cooling for 180 seconds; Quenching in solution transforms the metallographic structure of the cylinder liner into lower bainite.
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