Thicker carbide cladding for twin-screw barrel sections uses spherical carbide particles in a nickel alloy, while such cladding typically uses less-expensive angular carbide particles. But spherical particles provide 25% more abrasion resistance and resist cracking, says Entek Extruders in Lebanon, Ore., which introduced the new cladding. Entek also developed a proprietary process that reduces the lead time for making a carbide-lined barrel. Its mechanical bonding method boasts greater strength in the apex region between the bores, compared with standard brazing. The new cladding is also thicker-0.150 in. vs. 0.01 to 0.065 in. for typical brazed carbide cladding. The new cladding is offered for Entek's E-Max twin-screw extruders and replacement barrels for other brands.
ENTEK Manufacturing Inc.
250 N. Hansard Ave. P.O. Box 39
Lebanon, OR 97355
Phone (541) 259-1068 Fax (541) 259-8018