Western Case- iD Eco-Pro 360 Case Study

May 8, 2020


West Coast Blow Molder Keeps Mold Cooling Channels Clean Using Eco-Pro 360

Western Case Inc. Uses Mold Cleaning System from iD Additives for Preventative Maintenance, Continuous Improvement


Western Case Inc. of Riverside, California is a leading custom blow molder of carrying cases as well as large industrial parts including spa steps, traffic delineators, automotive products and more.The company has won numerous awards for its blow molded products and has doubled its number of manufacturing lines over the past several years.


With 12 blow molding machines and over 150 molds in-house, Western Case employs a strict lean manufacturing protocol and runs 24 hours a day, 5 days a week.They perform a lot of small runs, with 5,000 parts being typical before needing to shut down a machine and change out the molds.They need to perform as many as 10 mold changes per week, a process that can take anywhere from 2-10 hours per mold change.


“Our workflow audits showed that the bulk of our labor was being spent on mold changes and maintenance,” said Jennifer Clark, Operations Manager at Western Case. “As part of our continuous improvement, we put a new preventative maintenance (PM) program in place to keep our molds properly maintained and ready to run.”


One major issue in maintaining the molds was that the cooling channels were frequently getting clogged with limescale and rust, due in part to the hard water used at the plant.Having alre