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Flexible Gauging of Precision Firearm Parts



The Renishaw Equator system, which has been used in collaboration with industry-leading companies in the automotive, aerospace and medical sectors, is now being used by firearms manufacturers for the production of handgun barrels, frames and slides, as well as some lower and upper AR (Armalite Rifle) components. The Equator system takes a simple concept of using a master (known) part and couples it with a repeatable and versatile structure for fast, flexible gauging on the factory floor. Along with Renishaw's Intelligent Process Control (IPC) feedback, the Equator system allows the gauging to update the machining process for immediate feedback without a need for manual offset adjustments.

"Based on an easily scalable and adaptable parallel kinematic structure, the Equator system allows high speed scanning and rapid moves between features while retaining stiffness that delivers impressive point to point repeatability-critical for accurate gauging. With rising production demands, gun manufacturers are designing new products, as well as ramping up production to meet demand. We support many manufacturers of gun components, both at an OEM level and the supplier level," said Ian Raupach, District Solutions Manager, Renishaw, Inc. "The Equator system offers the flexibility to scale appropriately without too much in the way of dedicated fixturing. In some cases, we have seen Equator systems deployed in a receiving inspection area, where parts can be sorted quickly without costly specialty gauging, CMMs or subjective visual inspection."

Installation of an Equator system takes minutes, and an operator can switch between gauging of different parts in seconds. "Re-configuration of the gauging system to accommodate part design changes, or to measure new parts, is possible in a fraction of the time needed for conventional custom gauging, using industry standard DMIS programming. The Equator system has shined in this field because it provides real time feedback of the manufacturing process and provides flexibility to the ever-changing environment of the factory floor," added Raupach. "As designs change, it is a simple program adjustment. There is no need for dedicated precision gauges, so decisions about process changes can be adapted to suit the immediate needs of manufacturing."

The flexible gauging concept is finding a home on today's automated shop floor. "We have seen a lot of investment going into firearm manufacturing facilities, including automation, new CNC mills, and in some cases, OEMs developing cells for trialing new technologies," said Raupach. "The Equator gauge is the flexible alternative to hard gauging, and at a fraction of the cost of a CMM. That makes it ideal for managing the process in the manufacturing cell to create a part flow that mitigates all the factors that create instability, including temperature, tool wear and improper offsets."

Equator systems are available with two levels of software: a programmable version for production engineers to create DMIS programs and, at a lower price, a shop floor system that allows those programs to be executed but prevents operators from making modifications. Both software levels include easy-to-use MODUS Organizer operator front-end software. In the programmable version, MODUS Equator programming software allows engineers to rapidly create gauging routines for any part, whether simple or complex, prismatic or free-form.

For more information contact:

Renishaw, Inc.

1001 Wesemann Dr.

West Dundee, IL 60118

847-286-9953

usa@renishaw.com

www.renishaw.com

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