https://www.smmbuzz.com/c/foundry-workers/tried-a-different-riser-height-on-our-old-jones-and-lamson-molding-line-6l5s9z
Tried a different riser height on our old Jones and Lamson molding line | Foundry Workers - SMM Buzz
Apr 14, 2026 - We were running a big batch of gray iron pump housings and the boss said to try a 2 inch riser instead of our usual 2.5. I figured we'd get some shrinkage......
jones and lamsonfoundry workerstrieddifferentriser