The steel and semi-steel rollers with cast grooves decrease the expense of material. It may become a new method for manufacturing small sized Hi-alloy groovesd rollers.

种新的生产高合金孔型轧辊的方法或许会在小型轧辊上采用。

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CDS Manufacturing builds table top roll sorters. Standard table top roll sorter system includes a pair of 12 "case hardened stainless steel rollers, adjustable roller height and Angle."

CDS生产公司的台式分类器是一款标准的台式滚动分类系统，设备包括12“表面硬化的不锈钢滚筒，可调节滚筒高度和角度。”

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All the tra mi ion axle and rollers are made of high-quality steel with high-precision dynamic balance, plated with rigid chrome and grinded surface.

所有传动轴、辊材质均为优质钢，高精度动平衡校正，镀硬铬、表面研磨。

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Water pressure keeps the device open, and steel rollers help it to bounce over tricky rocks and avoid getting snagged.

ECONOMIST: Marine conservation

The forbidding-looking wheels, made by Timken, do away with tire and rim, instead moving on six pairs of polyurethane-covered steel rollers, each angled at 45 degrees to the wheel itself.

FORBES: Airtrax topples the tyranny of steering.