Ejector Drilling Troubleshooting: Common Issues and Fixes
Ejector drilling uses a double-tube system where coolant flows between the outer and inner tubes and returns through the inner tube by Venturi effect. When problems happen, they are almost always related to coolant flow or nozzle condition. I have worked through enough ejector drilling issues to recognize the patterns fast. The double-tube design gives ejector drilling advantages in portability and setup simplicity, but the troubleshooting demands a different mindset than standard gun drilling or BTA drilling. ...