CorrectSPC.com Unique methodology for statistical process control in precision machining. Stop X-Bar R madness! Are you a precision machining manufacturer? Have you wondered why SPC has not provided solid direction for your operators? Have you wondered why SPC has not been a key resource for process improvements? There are solid, statistical reasons why your SPC has not reached its full potential. Xbar-R and I-MR charts use the wrong statistics for precision machining. They cause overcontrol and mask valuable information your operators need to make meaningful decisions. "This concept destroys the myth of the normal curve in precision machining!" We want to show you how correct SPC can make the difference. Our charting methodology uses the correct statistics to determine when operators to make offsets, change tools before they break, and decide which tools are the best for the job by showing tool wear rate! Xbar-R and I-MR simply cannot do that. Contact CorrectSPC to learn how! Real zero defects, with zero increase in costs!