Overview Since the day when humans began to master casting technology, the modeling materials used have been based on silica sand.
By detecting the index of the coated sand, it can be judged whether the coated sand meets the characteristics of bending resistance, compression resistance and high temperature resistance.
How to make the quality of sand better in the process of producing coated sand, and want to make a successful coated sand,
The process of coated sand is to mechanically mix powdery thermosetting phenolic resin with raw sand and solidify when heated;
Effect of Casting Sand and Casting Temperature on Ingot Quality
Under the background of the fourth industrial revolution characterized by quantitative integration, today's foundry industry should conform to new demand, new supply, and new kinetic energy,
Cervical spine is not good for daily work, and long-term driving makes cervical pain worse. Protecting your cervical spine starts with seat headrest adjustment.
The replacement method of Excelle hanging gear: first remove the dry dust cover of the hanging gear, then remove the clip under the hanging handball, and then rotate it counterclockwise to replace it with a new handball.