How to Use Dewaxing Steam Kettle in Investment Casting Process
The personnel put the module on thedewaxing steam kettle and quickly sent it to the dewaxing kettle, and immediately closed and closed the door. Open the steam valve, the pressure should reach 0.6Mpa in 14 seconds, and dewaxing in 6-10 minutes. Close the steam valve, open the exhaust valve, vent the steam, and the diarrhea should be slow for more than a minute.
When the dewaxing kettle pressure gauge indicates that the pressure is zero, open the wax discharge valve, drain the wax, open the dewaxing kettle door, and pull out the basket of the molded case. Check the quality of dewaxing and the quality of the shell. The qualified shell is sent to the designated place. It is placed on the rack according to the material of the cast alloy. It is to be roasted and cast. The shell with cracks or holes needs to be repaired, and the crack exceeds 0.5mm. The shell should be scrapped by the quality inspector.