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FMC initially invested in the CNC Reporter soſtware primarily for keeping production records. But, the company’s maintenance de- partment has also found it invaluable and has recently invested in several additional licenses. “Te Renishaw package is very useful for


comparing data and it’s not very expensive,” said West. “So, we’ve bought another six seats solely for maintenance operations.” Simpson added, “Having CNC Reporter


means in the event of an accuracy issue we don’t have to drag out the granite square, paral- lel bars, etc. We don’t even have to remove the job from the table. It saves a lot of time.” To help speed machine checking and


calibration in the SCM cell, FMC has designed and built a custom calibration block, which it mounts on the Okuma machines during scheduled maintenance or when a machine is being checked. “We’re currently introducing a new pallet


size in the SCM cell,” said Simpson, “and some of the reprogramming is being done manu- ally, rather than off-line, using the Siemens NX CAE system. And, there’s increased potential for minor collisions. For example, we recently had a small knock, so first we ran the ballbar to confirm the three axes were square. We also checked the Y-axis using a test bar and com- pared the results to the data in CNC Reporter. We found that the zero position had been affected, so we retaught the machine new zero positions using the test block.” Craig Simpson and Mike West both agreed


that the XL-80 laser measurement system, the QC20-W wireless ballbar and CNC Reporter soſtware are easy and intuitive to use. “We had one week of training with a Renishaw engi- neer,” said West. “If ever we have a problem or question we call the head office in Gloucestershire and we usually get an answer the first time. At the very least, someone calls us back that day.”


Fifth and Perhaps Foremost FMC Technologies’ fiſth “absolute of quality” states that


the goal of quality control is not customer satisfaction but rather customer success. Te company claims that its produc- tion control systems—including its SCMs—are used on more than 1000 subsea wells around the world, with an uptime rate of 99–100%. Nevertheless, Craig Simpson said the maintenance pro- gram at the Dunfermline plant is evolving continually. “When


Renishaw’s QC20-W wireless ballbar is used to check the accuracy of FMC Technologies' CNC machine tools.


I first started at the company six years ago, our preventive maintenance was far less structured and much more time consuming,” he said. “Now, we are very well organized and using the Renishaw equipment means we know much more about our machines and processes. We’re always looking for ways to do things better, and our performance standard is zero defects, which is the third absolute in our quality philosophy. Nothing leaves the machine shop unless it is exactly right, and we couldn’t meet that standard without our Renishaw equipment.”


Edited by Yearbook Editor James D. Sawyer from material provided by Renishaw Inc.


Energy Manufacturing 2014 69


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