For questions or comments feel free to contact the author, Jerry Senk at: 216-651-6700 or by email at sa***@em*****. Click to read Whitepaper Series Issue #1 Considerations for Manual & Automatic Green Sand Expansions in green sand molding from Foundry equipment manufacturers; EMI, Savelli, Kuttner, Osborn, SPO, Sutter, Impact and Wedge.Web