Page 16 - MetalForming-Apr-2018-issue

Tech Update
on the other hand, needs a different tool steel that can hold a cut edge better with- out prematurely chipping or wearing. Matching the process and application with ideal tool steels helps ammunition manufacturers select better bunting tooling specifically designed for their machine, and effectively utilizes the characteristics of those steels.
Tool coating also plays a vital compo- nent in creating premium ammunition. For example, during the draw process, added lubricity in the coating makes a difference, but when performing a trimming or cutting process, a harder surface coating is important.
Wilson Tool International: www.wilsontool.com
Automated Stacking Extends Blanking- Line Capability
LaserCoil Technologies LLC, Napoleon, OH, has added end-of-line robotic stacking capability to its coil-fed laser-blanking systems. Available in either single or dual stations, the side-by-side-capable stackers can reach speeds to 120 strokes/min. They can be programmed to handle rec-
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tangular, trapezoid, patterned, contoured or irregular aluminum and steel shapes. Addition of automated stacking capa-
bility can lead to improved blank quality by preventing marring of surface finishes and introduction of contaminants via man- ual operations. Additionally, LaserCoil’s use of automated vision technology allows for high-accuracy stacking without tamping or touching of blank edges.
By laser cutting direct from coil stock, LaserCoil systems are well-suited for pro- duction environments running multiple blank profiles and mixed material types, according to company officials. The systems can process a variety of coil material including aluminum, mild steel, higher- strength steels and other materials in thicknesses from 0.5 to 3.5 mm and widths to 84 in., and to any length.
Additionally, given their nesting capa- bilities, laser-blanking systems can sig- nificantly reduce material scrap. Not only can components be nested more closely, but lasers allow smaller parts to be co- produced from normally unusable metal shapes. In a conventional stamping oper- ation, such material would be sent for recycling, or stacked and stored for future reblanking.
LaserCoil systems can integrate with any coil-processing line or be retrofit into existing mechanical-press blanking lines. LaserCoil Technologies LLC: www.lasercoil.com