Precision casting limit pointer
Material: ZG230-450
Quantity: 50 pieces
Weight: 0.5KG
Process: silica sol casting, shot blasting/sandblasting, machining, surface hardening
Process analysis: The Precision casting limit pointer product adopts silica sol casting process, the casting size tolerance can reach CT5 level, and the parts that can not be processed by the machining center will be carefully polished to achieve the design roughness. After the parts are machined and formed, in order to increase the wear resistance during use, we carry out laser surface quenching on the Precision casting limit pointer products, the materials are heated and cooled at high speed, and the heating speed can reach 104~109e/s; Cooling speed greater than 104e/s; The hardness of the laser surface quenched parts is high, usually 5% to 10% higher than that of conventional quenching, the quenching structure is fine, and the hardening layer depth is about 0.2 to 0.5 mm.
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