Mold Maintenance & Repair

OCT 2014

Mold Maintenance & Repair

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October 2014 21 DLC Coating Reduces Wear on Latch Locking Units The functional surfaces of Hasco's Z170, Z171 and Z174 latch locking units feature a diamond-like carbon (DLC) coating designed to min- imize friction and wear. The devices are used primarily on injection molds with multiple plate movements, and they can be subject to particularly high loads, depending on component dimensions and the size of the mold. According to the company, optimized tribological properties can improve mold service life and help minimize wear, helping to boost productivity and reduce the costs of mold construction. The DLC coat- ing does not cause dimensional changes in the functional surfaces, so the latch locking units can be fitted 1:1 to existing systems. The devices also offer good slip properties due to the low coefficients of friction, as well as corrosion protection. Among the other DLC-coated parts available from Hasco are its Z4651 flat ejector blades, Z457 standard sleeves and Z031 shouldered locating guide pillars. Hasco / hasco.com/gb Mold Cleaner Contains No Chlorinated Solvents The newest formulation of Slide Products' Mold Cleaner Plus Degreaser 4 contains no chlorinated solvents and is less expensive, helping reduce the cost of mold mainte- nance and increasing worker and workplace safety. The fast-evaporating cleaner leaves no residue and removes silicones, grease, oil and wax buildup on mold surfaces, without the need for wiping. Slide Products Inc. / slideproducts.com Mold Core and Cavity Repair Restores Damaged Parts Ezell Precision Tool, which produces mold cores, sleeves, cavities, and other die and mold-ready components, offers a service that refurbishes damaged mold cores, cavities and other tooling to print dimensions at a cost that it says typically is 70-percent less expensive than purchasing a new part. Turn-around time for repairs is usually two to four weeks. The company employs welding technologies, followed by regrind- ing and EDM to restore the part's dimensions and surface finishes. Steels can be interchanged where appropriate to achieve greater hard- ness and wear characteristics to help prevent future wear problems. Ezell Precision Tool Co. / ezellprecision.com Spotting Presses Provide Multi-Angle Access Mold and die spotting presses in Millutensil's compact BV Series take up less floor space than traditional mold presses and are designed so that the mold maintenance can be approached from a variety of angles with a simple touch of a control screen. Machines such as the BV30E-RG are well-suited for small and medium-sized molds. For medium to large-sized molds, MIL Series presses offer flip-out of the upper platen ranging to 180 degrees and a lower platen that rolls out and can tilt 70 degrees to either the left or right. This allows work- ers to adjust both platens while working on the same side of the mold. The machines incorporate a variety of technologies designed to help streamline mold checking and testing, including a 180-degree ro- tational table that enables two-shot molds to be tested, adjusted and checked in a single setup. For added safety, the patented Sitema break system immediately locks the upper plate and prevents the press ram from falling if hydraulic pressure drops. Millutensil / millutensil.com

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