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Contents December 2013 Volume 16 / Number 12 20 24 Features 27 Departments 24 Mold Components For Better Mold Venting, Start with the Metal Selecting the right material for specific mold components can help prevent a number of costly issues. 6 From the Editor: Is it Your Turn to be in the Spotlight? 6 WhatÕs New on MMT Online: Leadtime Leader Awards 8 New Business Opportunities: Expanding Mold Types 10 27 Hot Runners Gain Process Control with a Specialized Hot Runner Temperature Controller Hot runner systems present unique thermal situations that require specialized temperature control for manifolds and nozzles. Your Business: RTI Justification 12 Mold Business Index 14 Profile: Creative Blow Mold Tooling 33 Industry Outlook Signs of Growth A survey of North American tool shops indicates that the industry is growing, but so is the competition for new business and talented workers. 36 Supply Chain Management 2013 Automotive Vendor Tooling Study The results of this industry survey set the stage for suggested practices and strategies to help the entire vendor tooling value stream. 5 Case Study: Mold Repair Case Study: Machining 40 Product Focus 45 MoldMaking Marketplace 46 End Market Report: Medical and Automotive 47 30 Mold Maintenance/Repair In the Trenches: The Obvious Next Step in Minimizing Press Downtime A look at crib notes on press operation for mold repair personnel. 18 20 Ad Index 48 TIP: Cutting Tools ON THE COVER Image courtesy of Westminster Tool and Westminster Solutions. This four-cavity SPI Class 101 injection mold features four mechanical cams and a subgated hot to cold runner arrangement fed by a four-drop hot runner system. See related story on page 8. Images above courtesy of (left to right) Makino, DME Company and Orycon Hot Runner Systems. VIDEO ACCESS TRICKS OF THE TRADE Great Tips from This Issue 1. Expert Advice 2. Zero In 3. Time to Invest 4. Go Direct 5. Custom-made Experts recommend that at least 10 percent of the cavity area be made of a porous sintered metal to ensure proper venting. Hot runner controllers that are model-predictive and not proportional-integral-derivative allow users to zero in on the requirements of the hot runner system more readily. In the past year, 50 percent of mold shops have invested in new software and 73 percent in new equipment, and more than 80 percent intend to invest the same or more next year. Direct sourcing means the OEM contracts with the tooling supplier directly and basically circumvents the Tier 1 supplier. Custom-matched cutting for specifc operations can increase cutting data by as much as 20 percent. This can mean a full 15-percent reduction in total component costs. PG. 24. PG. 27. PG. 33. 4 MoldMaking Technology December 2013 PG. 36. PG. 48.