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Se 1 | Ep 13
People, Process, Principle

An aerospace parts supplier in Wichita, Kansas, US has built a business on the three pillars of People, Processes and Principles – and it is the VERICUT toolpath simulation and optimisation software from CGTech that helps support the second principle.

The company applies integrity and experience, consistent performance and clarity of purpose as words to live and work by, no matter what the vocation. They are the guiding philosophies behind Trinity Precision Inc.’s motto, ‘People, Process, Principle,’ and ever since founders David May, Steve Ford, Dave Tice, and Chris VanNover opened the company’s doors in 2014, they’ve stood by them.

“When we started Trinity, it was important that we establish the foundations needed to assure success for the company and its employees,” said VanNover, Trinity Precision’s Vice President of Operations. “One of these was the use of robust programming technology, which includes accurate, productive toolpath simulation. VERICUT has filled that role since day one.”

CNC Programming Manager Merritt Stuever has worked for the company for the past five years. Like VanNover and the rest of the company’s management team, he also has great respect for VERICUT. Including his time at Trinity Precision, he’s been using the product for nearly two decades. “After running a program through VERICUT, you’re not only assured that the G-code is consistent with a good part, but you also eliminate any chance of a crash,” he said. “Considering the cost of replacing a spindle and the machine downtime that comes with it, it’s a simple choice. VERICUT is a no-brainer.”

Trinity Precision is heavily into aerospace work and its customer list includes Boeing Commercial and Defense, Northrop Grumman, Gulfstream and Textron Aviation. These are OEMs with zero tolerance for deviation in part quality or missed deliveries. As such, strict adherence to established processes is critical, which helps explain the aerospace supplier’s early focus on ‘the three Ps’ in its logo, along with its reliance on sound programming.

VanNover explained that Trinity Precision president David May purchased an existing ‘mom and pop’ machine shop as a starting point for the new business. The previous owners were using a well-known brand of CAM software and had a single seat of CATIA from Dassault Systèmes that was gathering dust. May and his management team hit the reset button.

“We knew from previous experience that implementing change once you’ve reached a certain size can be difficult, so we took the opportunity early on to build everything right from the ground up,” he said. “We stayed with CATIA because that’s what most of our customers require. VERICUT does everything that we need it to do, and seeing as we were looking forward to a lot of new CNC equipment back then, also liked the fact that we can develop our own machine tool models. It gives you a lot of flexibility.”

Today, Trinity Precision boasts 32,000sq/ft of manufacturing space and a fleet of advanced CNC machinery. It has also enjoyed a four-fold revenue increase since those early days. VanNover noted that, like most in the aerospace industry, the pandemic-related slowdown in commercial aviation gave them ‘a pretty significant haircut’ over the past two years, but that tide appears to be turning, and Trinity’s 70+ employees stand ready for future growth. However, that growth depends on robust processes, something Stuever and the rest of the engineering team spend their days developing. Every CNC machine tool has a standard tool list, greatly reducing setup time and eliminating the chance that an operator will place a cutter in the wrong position.

In addition, all feed rates, cutting speeds and other machining parameters are similarly standardised within CATIA. Offline presetting is used, and many of the machine tools employ tool breakage detection for automated operation. Every job goes through VERICUT before leaving the programming office, a requirement that Stuever noted has saved the company countless hours of rework and even scrap.

“We’re mostly a high-mix, low-volume shop, so we might have a couple of dozen new part numbers in a week,” Stuever said. “Since none of us can read and visualise hundreds of thousands of lines of G-code, VERICUT is the best way to check for interference, gouging, leftover material, and any of the other everyday programming scenarios that can lead to a bad part or worse. And since you know the software will catch things like that, it makes the programming process both easier and faster.”

Stuever’s also quite pleased with CGTech’s support level. He’s taken several classes over the years and attended multiple VUE sessions (VERICUT Users’ Exchange). Because of this, he’s come to know many of the people in the software developer’s Irvine headquarters. “They’re very helpful and always take the time to make sure any issues or needs are resolved. As far as technical support goes, there are only two companies that I rank extremely high. CGTech’s one of them,” he said.

VanNover offered similarly high praise: “The rest of the management team and I have worked in shops where machinists were out there changing programs, selecting their tools and pretty much doing their own thing, but you just can’t operate like that anymore, especially with the available labour force. This is why we’ve taken most of that responsibility and put it in the programmer’s camp, making it critical that you have the right software tools. And so even from the very start, this was a non-negotiable aspect of our desire to lay the right foundation; VERICUT is a big part of that foundation.”

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