Knowledge

Sand ingress in lost foam is a common defect in lost foam casting. The sand ingress location may involve the sprue/cross runner/ingate, etc., especial

I. Causes of shrinkage rate and crack defects in steel castings 1. Causes of shrinkage rate Physical properties of metals Thermal expansion and contra

1. The amount of resin and curing agent added in resin sand process Adjustment of resin addition Based on sand flow rate: first adjust the sand flow r

I Principles and characteristics of investment casting Investment casting is also called precision casting or lost wax casting. It uses fusible materi

The solidification principle of lost foam cast steel valves is based on the solid casting process. Through the vaporization and disappearance of the f

Common defects in the production of ductile iron by lost foam casting process Part 2 In terms of molten metal The molten metal has poor smelting quali

Common defects in the production of ductile iron by lost foam casting process Part 1 The common defects in the production of ductile iron by lost foam

Reference for conversion between Brinell hardness and Rockwell hardness of ordinary ductile iron 1. Comparison of Brinell hardness and Rockwell hardne

Summary of knowledge on pyrolysis of foam in lost foam casting process 1. Factors affecting the pyrolysis rate of lost foam foam Material properties F

The diameter and length of graphite nodules in ductile iron and their relationship with the quality of ductile iron parts 1. The diameter and length o

What is the gap between the quality of domestic castings and that of developed countries? What causes it? Reasons for the gap in quality between Chine

How to choose the lining refractory suitable for the melting amount of the medium frequency electric furnace? 1. How to choose the lining refractory s