Mold Maintenance & Repair

OCT 2015

Mold Maintenance & Repair

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P R O D U C T S 20 Mold Maintenance & Repair Pulse-Arc Welder Well-Suited for Mold Repair Well-suited for mold and die applications, the Orion 250i 2 pulse-arc welder from Sunstone Engineering can repair issues related to high thermal shock and wear, mechanical strain, and corrosion resulting in heat checking. The system, which features 250 joules of available power, can create 0.1-mm-di- ameter-sized welds on almost any metal. A preheat mode facilitates repairs on heat-tempered metals. According to the company, this type of precision and heat control makes the welder ideal for delicate repairs. Additionally, "Seam Mode" enables as many as 30 continuous welds per second for as many as 5 sec. at a time, or 150 welds in 5 sec. Seated on a rotatable articulating arm, the welder can be used in vir- tually any environment, regardless of bench space. A removable electrode stylus also allows for working on almost any surface in almost any location, the company says. Sunstone Engineering / sunstoneengineering.com Micro-Welding System Repairs Small Areas of Molds DME's ProWeld micro-welding system is well-suited for repairing very small areas of molds without the need for other types of welding such as argon, laser and TIG. Special metal alloys have been developed to reduce repair costs for conventional types of steel. According to the company, these high-quality welding alloys are free of impurities, and the resulting weld is strong, homogenous and reliable. There is no scaling or faking. In addition, the weld material is minimized, easing hand- and machine-fnishing. The micro-welding process emits almost no heat, and no harmful fumes or toxic gases. Only gentle pressure is required on the welding elec- trodes to prevent the formation of cavities or pin holes. DME Co. / dme.net System Enables Transport of Heavy Molds without Forklift Align Production Systems' Airfoat quick mold-change system enables a single operator to transport molds as heavy as 80,000 lbs to a press, and then insert them in the press without the aid of an overhead crane or fork- lift. Air-bearing technology "foats" the load on a thin flm of compressed air. Once injection molding is complete, the mold can be extracted and moved to a storage location also using the Airfoat technology. Because it is nearly frictionless, the system is more efcient than using wheels or rollers, the company says. It is capable of transporting two molds weighing as much as 80,000 lbs each, with outside dimensions of 36" to 66" wide and ranging to 113" deep. The mold transfer height is adjustable from 39" to 51", enabling the system to work with a range of press sizes. To see a video of the Airfoat mold-change system in action, visit short.moldmakingtechnology.com/foat. Align Production Systems / alignprod.com

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