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moldmakingtechnology.com 11 What are some of the challenges you've faced with com- pression form and trim molds? CS Tool: Mechanical punches have their limitations, as typically the lower-tonnage forming presses do not have enough pressing capacity to overcome the tonnage required per the number of holes a customer wishes to cut out. One of the challenges with punching holes during the forming cycle is holding the finished fabric in place such that, when it is cut, it stays put without pulling away from the hole. Typically, you will find the cloth is under stress from forming, and the bonding agent may not be set up by the time the hole is punched. We have developed a tooling feature that helps retain this cloth fabric. Unfortunately, this is a proprietary fea- ture I cannot elaborate on. Our compres- sion mold form and trim work continues to push the envelope on what can be trimmed effectively within the con- straints of the forming press using either our hydraulic or mechanical punches. Have you invested in new equipment to advance your compression-mold- building processes? CS Tool: We've made some recent sig- nificant investments in new equipment to help us work more effectively. This includes a Tarus six-axis, inclined-angle, deep-hole-drilling machine with milling capabilities, which, with our compression mold business, has been very beneficial. The gundrill has a custom rotary table with T-slots and FCS, giving us the ability This workpiece was set up using an FCS workholding system in a Parpas Linear Diamond five-axis CNC machining center. Using the FCS in combination with the multi-axis mill has greatly simplified complex machining, the company says. to drill and mill in one setup. Another machine that has proven beneficial is our Parpas Linear Diamond five-axis CNC machin- ing center, which has simplified setup for installing compres- sion punches and cylinders at compound angles such that these actions cut normal to the part surface in the mold. We will continue to replace older equipment as we study advancements in EDM sinker technology and larger, multi-axis machining centers. 800-323-3013 • www.emuge.com Software Partners: Exclusive to Emuge. Learn more at www.emuge.com Remove More Material in Fewer Passes With Emuge's revolutionary NEW Circle-Segment end mills design and leading edge software, 5-Axis milling of molds, blades and other complex parts is incredibly faster, removing more material in fewer passes with superior surface finishes and minimal tool wear. The Circle of Technology and Performance I N T R O D U C I N G Circle-Segment Machining A Totally New Milling Strategy Barrel Oval Lens Taper Larger radii removes more material 80% cycle time reduction!