I have a couple FADAL machines and it is apparent the coolant through ball screw design doesn't work well over time. The screw itself is still good and works well, but the seals used to keep the coolant where it should be cut into the journal and eventually give way causing bearing failure. Is there a fix for this other than putting a whole new screw in and waiting for it to happen again? Is there a company that can just put a stainless steel sleeve over the journal area for an economical price? I hate to spend a grand plus just to have it happen over and over.