Ultra-Nod Nodularity Tester Developed by Hickman, Williams & Company

• Ultrasonic velocity nodularity tester developed by:  Hickman, Williams & Company.
• Uses small coupons for rapid nodularity check.
• Excellent for process control for Ductile Iron production.
• Accurate, fast, repeatable.
• Minimal training required.
• Rugged construction.  Stainless steel tank, heavy wall steel frame, copper plumbing.
• Used on foundry floor close to the molten metal processing area.
• Manual load/unload.
• Go/No Go system.
• Customized to fit individual foundry controls.
• Can be linked with the foundry process control and data collection.
• No sample cutting, polishing and microscope reading.
• Sampling cups can be provided.

Sold Exclusively By: 
Hickman, Williams & Company
Equipment Group Division
330 Detroit Ave. Suite D
Monroe, Mi  48162
Phone:  (734) 243-6110 Fax:  (734) 243-6131
www.hicwilco.com
email:  dvanstone@hilwilco.com

Coupon Accept/Reject Screen

Test Tank with Fixture

Velocity vs. Nodularity in DI

Typical Coupons and Mold

Velocity % Nodularity Velocity* % Nodularity <2199 79 2230 95 2230 80 2237 97 2207 83 2240 98 2210 86 2244 99 2214 89 2246 100 2222 92 >2247 100 Note:  The above table is for reference only.  Each foundry needs to develop its own calibration values for nodularity acceptance.  *Absolute values for example 0.2203 inches per microseconds.