Unholtz Dickie Corp

Standard Head Expanders

Shaker Head Expander
Model HE16-3636-10 providing a 36" square mounting surface on an R16 shaker
Shaker Head Expander
Head Expander with optional guidance and additional load support

These light-weight magnesium head expanders provide reliable and effective solutions for any large, broadband package testing needs.

Download Head Expanders Bulletin

Standard Head Expanders (custom sizes available)
Model Expander Size Armature Size Weight Resonant Freq.
  inches (mm) inches (mm) dia. lbs (kg) Hz
HE12-2424-8 24 x 24 x 8 (610 x 610 x 203) 12 (305) 110 (50) 1400
HE16-2424-6.5* 24 x 24 x 6.5 (610 x 610 x 165) 16 (406) 100 (45) 1500
HE16-2828-6.5* 28 x 28 x 6.5 (711 x 711 x 165) 16 (406) 160 (64) 1100
HE16-3232-10* 32 x 32x 10 (813 x 813 x 254) 16 (406) 252 (115) 1050
HE16-3636-10* 36 x 36 x 10 (914 x 914 x 254) 16 (406) 282 (128) 900
HE16-4040-12* 40 x 40 x 12 (1016 x 1016 x 305) 16 (406) 410 (187) 720
HE16-4444-12* 44 x 44 x 12 (1118 x 1118 x 305) 16 (406) 440 (200) 625
HE16-4848-12* 48 x 48 x 12 (1219 x 1219 x 305) 16 (406) 490 (223) 530
HE24-3232-7 32 x 32 x 7 (813 x 813 x 178) 24 (610) 214 (97) 900
HE24-3636-7 36 x 36 x 7 (914 x 914 x 178) 24 (610) 241 (110) 740
HE24-4040-9.5 40 x 40 x 9.5 (1016 x 1016 x 241) 24 (610) 360 (164) 650
HE24-4444-9.5 44 x 44 x 9.5 (1118 x 1118 x 241) 24 (610) 405 (184) 550
HE24-4848-9.5 48 x 48 x 9.5 (1219 x 1219 x 241) 24 (610) 452 (205) 480

*Guidance Bearings and Extra Load Support available