Face coat and backup coat chemistry, slurry viscosity, stucco grading, drying humidity and layer count.
They Ran Multiple Batches, Yet the Rejection Rate Remains High at 40% Figure 1: Shell leakage occurring on both narrow slots of the castingAt first
Today, we are sharing an insightful paper by Teacher Feng Zhenchuan. The purpose of this share is to clarify the real cause of “spalling” defects in
It is recommended to install an ultrasonic generator in the wax pattern cleaning tank, as it helps clean the mold assemblies more quickly and
A friend from the south sent me several photos after following my public account, asking why his ceramic shell cracked at the root.
A friend posted two photos in a group chat, explaining that a valve component was coated up to the second layer, taken out for the third layer, and
It is in the nature of the process that, at the mould build stage, slurry will be gradually used up and fresh material added (it has already been noted
本文节选自《INVESTMENT CASTING》一书中Investment Material and Ceramic Shell Manufacture一节。Although most slurry compositions are simply mixtures of binder and
Hello, Teacher! I have a question I’d like to ask. Under what conditions can the back layer achieve proper drying within 4-6 hours?A friend from
Can a Shell Made with Only 300-Mesh Quartz Flour/Silica Sol Slurry and 60-Mesh Quartz Sand for All Three Layers Be Used for Investment Casting of
Thermal and Humidity Effects on Ceramic Slurry Performance: A Comprehensive Analysis I. Fundamental Mechanisms of Thermal Impact on Binder Systems 1.