Machine Design

Linear-Roller Guides

Tschudin & Heid linear guides comprise shafts and sleeves with matched roller cages. The design lets moving parts displace axially without radial movement. Rollers provide in-line contact instead of point contact with the guide, so assemblies can be preloaded to a low surface pressure between rollers and guides. The bearings are rigid, accurate, and tolerate heavy loads. Plastic and metal cages are available. An optional low-maintenance unit requires only a thin lubricating film.

Advanced Machine & Engineering Co., 2500 Latham St., Rockford, IL 61103, (815) 316-5277,

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