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Mold Materials 16 MoldMaking Technology —— MARCH 2018 MAKE HARD EASY. Making molds from hardened steels? Double your tool life with the Jabro JH112/ JH142. With a superior HXT coating and optimized cutting geometry, these end mills boost performance for unsurpassed effi ciency, accuracy and throughput. Visit SECOLOCATOR.COM to fi nd your local distributor and take the easy path to optimizing your hard milling. business decisions, there is a cost-to-benefit factor," he says. "One can use alloy steels of a higher level that may perform better in different applications, can polish more easily, texture better, run faster in a mold or have better mechanical proper- ties, but they are more expensive than the traditional low-alloy mold steels. Cost is always a driving factor in material selec- tion." To assist, he says that Ellwood Specialty Steel offers group seminars to original equipment manufacturers (OEMs), Tier-1 suppliers and moldmakers to learn more about the pro- cess of steelmaking, forging and heat-treating. "This seminar also enables all parties to understand specific challenges that we all face, like mold life, maintenance or cooling and cycle time and brainstorm on innovative or collaborative ways to address these issues. Ellwood Specialty Steel has deep metal- lurgical experience and our doors are always open to help solve our customers' challenges." Greater Acceptance of Aluminum While tool steels remain the materials of choice for mold- making, suppliers are noting that aluminum also continues to make a strong showing. "There is increasing interest in aluminum mold products in an array of applications," David Wirth of Clinton Aluminum and Stainless Steel says. Image courtesy of Franchino Mold and Engineering. The use of aluminum alloys for larger molds is increasing because of price, weight and cycle-time reduction benefits. Suppliers have developed new alloys that are proven to be capable of high volume production and of withstanding the rigors of those processes over time.