How We Arrived at a New Technology… Alan Petrucci Founder, Principal
Customer Driven Solution Needed Customer required special threaded part Internal thread of 1-1/8” diameter Thread length just over 1-5/8” 20 Threads per inch – a very fine thread 32 Core rotations to retract core Hydraulic unscrewing, even with aggressive ratio, would require a 13 foot cylinder PERC utilizes a compact transmission and an 8 inch motor. Hydraulic vs. PERC
Compactness Accuracy for Positioning Electric Machine Friendly Robot Interface Capable Multi-Stage Unscrewing Threaded Insert Molding Multi-Action Controller Standardization from Mold to Mold Cleanliness Dependability How the System was Leveraged to Help Others
Servo Motor Accurate to Less Than One Second of a Degree Precise Control of Start-of-Thread Precision Positioning of Core Allows for Side Actions to Pass Through Thread Cores Threads oriented to external featureThread Cores aligned for Side Action Pin Unprecedented Accuracy
Multi-Stage Unscrewing Thread Cores Partially Retract Mold Opens, Slides Retract Parts Stay on Thread Core End-of-Arm Tooling Holds Parts Thread Cores Retract Completely Parts Are Managed by Robot Allows Robot to Pick Parts Customized Sequencing
Threaded Insert Molding End-of-Arm Tooling Presents Inserts to Cores PERC Rotates to Load Inserts Mold Closes, Injects, Cools, and Opens PERC Unscrews, Ejecting Part from Core Basic Molding Sequence
Multi-Action Controller PERC System Used to Retract Thread Core and Side Action
Standardization All These Molds (And More) Use the Same Motor and Controller One Customer Has Over 15 Different Molds Using a Single Programmable Controller
Cleaner & Reduced Maintenance Perfect Companion for Electric Molding Machines Great for Clean Room Molding Recommended by Medical Molders No Messy Hydraulic Oil or Cylinder Maintenance Unscrewing mold with hydraulic cylinderSame mold, with PERC!
Experiences in the Industry “We’ve gotten over the initial fear of new technology – once you use a PERC System, it’s a great tool. It’s compact compared to a standard rack system and takes up less room. We’ve never had an issue with any of the electronic components. It’s plug-and-play.” -- Large Automotive Mold Builder & Molder “We are well satisfied with the PERC system. Simply put, it is accurate, clean and demonstrates excellent repeatability.” – Global Molder of Connectors “Everyone here that really know molds is impressed that all of the mold base itself, molding surfaces and PERC system including wiring could be so designed into such a small footprint. Well done! Additionally, the ability of the PERC System to allow such accurate positioning of the cores is quite impressive and remains one of the main reasons the company chose to use this system over any other.” -- Major Laboratory Consumables OEM...everyone here that really know molds, are impressed that all of the mold base itself, molding surfaces and PERC system including wiring could be so designed into such a small footprint. Well done! Additionally, the ability of the PERC system that allows such accurate positioning the cores, is quite impressive and remains one of the main reasons the company chose BA Die Mold over other competitors. Major Laboratory Consumables OEM “The reason we decided to purchase the PERC systems was the repeatability of the servo technology, which was a huge improvement over present unscrewing technologies. We have observed excellent reliability, quality, and productivity with this technology. No regrets.” -- Major medical OEM Molder www.badiemold.com
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