![]() In addition to having three sides, the hollow polygon has a 1:20, or 1.4°, taper. “The products were selected to offer the most popular Rego-Fix products for multitasking machines with a Capto interface,” said Peter Tester, president and CEO of Rego-Fix AG, Tenniken, Switzerland.Ī Coromant Capto toolholder with the PowRgrip collet from Rego-Fix. Rego-Fix offers monoblock Coromant Capto toolholders with ER and powRgrip collet systems. “Because it has a polygon shape, a Capto toolholder couldn’t turn inside a spindle, so the whole transferrable torque of the spindle is on the entire taper of the Capto holder.” Weber, president of Rego-Fix Tool Corp., Indianapolis. “A CAT or BT holder has keyways at the flange that transmits torque,” said Andreas S. The polygon also provides torque transmission from the machine tool spindle to the cutting tool without the need for keyways. The polygon taper ensures automatic radial centering and even pressure around the coupling, according to Sandvik Coromant, enabling repeatability within 2μm. “I found the three-sided polygon provided superior stability.” “Why does a modular system have to be circular?” Andersson asked. The Coromant Capto’s three-corner polygon shape distinguishes it from other toolholders. We drove this certification to make sure no one could change the design, and that’s what ISO certification achieves.” “We wanted to ensure that if anyone makes it, and anyone is more than welcome to make it, all the tolerances are exactly the same as the original. “When the patent ran out, we didn’t want people to make a lower-quality version so that it started to create problems for those who had Coromant Capto,” said Chris Mills, national portfolio manager for Sandvik Coromant, Fair Lawn, N.J. Sandvik Coromant’s Coromant Capto machine adapted clamping units (MACU) for lathes are suitable for turning and milling applications. ISO certification means no manufacturer can sell a Coromant Capto holder that doesn’t conform to the standard’s specifications. Since then, Coromant Capto has made industry inroads via sales by Sandvik Coromant and its various licensees and was adopted in 2008 as an ISO standard (26623) for toolholding systems when the company’s patent expired and the need to license it ceased. Sandvik Coromant completed the first prototype in 1989 and unveiled the full version at IMTS 1990 in Chicago. Ken Andersson, who has since retired from the toolmaker and now builds boats, invented Coromant Capto. For the Coromant Capto toolholding system developed by Sandvik Coromant Co., modularity, universality and repeatability define it. Those are definitions of the Latin word capto. Learn more about how you can contact us and how we process personal data in our Privacy Policy.A look at the Coromant Capto modular toolholding system. ![]() ![]() You can at any time change or withdraw your consent from the Cookie Declaration on our website. For all other types of cookies we need your permission. The law states that we can store cookies on your device if they are strictly necessary for the operation of this site. ![]() Cookies generally make the interaction between the visitor and the website or application easier and faster and help the visitor to navigate between the different parts of a website or application. Cookies can be placed by the server of the website or application that you visit, but also by third-party servers that may or may not work with this website or application. The cookie file contains a unique code with which your browser can be recognized by the website or web application during the visit to the online service or during successive, repeated visits. ![]() Cookies are small data or text files that are installed on your computer or mobile device when you visit a website or use a (mobile) application. ![]()
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