C
Re: Do you implement the real SPC not just a paper work?
.....yes
Hi cqt
SPC covers a very wide range of things. It's not just monitoring your output. You also monitor the things that affect what you make.
Suppose you have 3 machines making a part, a CNC lathe cutting a part to a particular diameter. You have a problem with the diameters. They are not all 50mm +/-0.05mm.
If you look at the output of each lathe individually, you might find the following:
Lathe 1- 50mm +/- 0.03mm
Lathe 2- 50mm +/- 0.02mm
Lathe 3- 50mm +/- 0.09mm
In this case, the problem is lathe 3. Now you know what the problem is, you can do something about it. Once you have fixed the problem, you need to stop the line less often.
NC
SPC covers a very wide range of things. It's not just monitoring your output. You also monitor the things that affect what you make.
Suppose you have 3 machines making a part, a CNC lathe cutting a part to a particular diameter. You have a problem with the diameters. They are not all 50mm +/-0.05mm.
If you look at the output of each lathe individually, you might find the following:
Lathe 1- 50mm +/- 0.03mm
Lathe 2- 50mm +/- 0.02mm
Lathe 3- 50mm +/- 0.09mm
In this case, the problem is lathe 3. Now you know what the problem is, you can do something about it. Once you have fixed the problem, you need to stop the line less often.
NC



