AFS: Keystone Chapter

Serving the foundry industry
since 1891

Sponsors



Keystone Chapter - Green Sand Seminar

Date & Time: Tuesday, March 8th, 2016,

Expected location - Thaddeus Stevens College of Technology, Lancaster, PA

8:00 – 8:45 - INTRODUCTION TO FOUNDRY MINERALS (Anthony DeLuca - Unimin) Discussion of common sands - silica, olivine, chromite, zircon Sand selection - ferrous / non-ferrous

8:45 – 9:30 - GREEN SAND ADDITIVES (Garrett Davis-American Colloid) Clay Basics Carbonaceous Additives Other additives

9:30 – 10:15 - SAND PREPERATION (Dave Silsby - Simpson Technologies) Sand storage and movement Mulling

10:15 – 10:30 BREAK

10:30 - 11:00 - MOLDING TECHNOLOGY (Ed Freiwald; Boyertown Foundry) Types of molding equipment Influence of molding process on green sand properties

11:00 – 12:00 - SAND TESTING (TBD) MB Clay levels: Permeability, green strength, AFS fineness, compactability Moisture, screen distribution - new tests

12:00 – 12:45 - LUNCH

12:45 – 1:30 - GREEN SAND CONTROL (Steve Neltner-S&B Minerals) Ferrous Non-ferrous

1:30 – 2:30 - CASTING DEFECT ANALYSIS (Buck Company) Review requested samples from attendees Samples already at Stevens

2:30 PROGRAM ENDS

Cost is $35.00 per person.

Please make reservations via email to sec-treas@keystoneafs.org by Friday, February 26th.