Vertical Bore VB320SF

Category: Boring, Milling / Boring, Vertical Boring

The Winona Van Norman VB Series Vertical Boring Machines are built to provide the precision, rigidity, and productivity professional engine machine shops demand. Specifically engineered for automotive, diesel, industrial, and performance engine rebuilding, the VB Series combines a heavy-duty stationary boring head with a movable worktable to deliver superior accuracy and repeatable results compared to conventional boring bar systems.

The stationary boring head design maximizes rigidity by eliminating unnecessary movement during machining, resulting in exceptional bore accuracy and surface quality. Universal holding fixtures and a highly adjustable worktable minimize setup time, allowing operators to quickly center each cylinder using side-to-side and fore-and-aft table movement. An integrated dial indicator provides precise cylinder alignment, ensuring every bore is accurately positioned before machining begins.

To maximize tool life and machining efficiency, the VB Series features a wide range of adjustable spindle speeds and feed rates, giving operators complete control over cutting performance and surface finish. These capabilities make the machines especially effective for large overbores, allowing aggressive roughing cuts that reduce the need for additional finishing passes. A micrometric manual feed enables precise depth control when counterboring cylinder sleeves, while adjustable automatic boring stops improve consistency and free the operator to perform other tasks. Select models also feature automatic or rapid boring head retraction to further increase productivity.

Designed for long-lasting durability, exceptional machining accuracy, and efficient operation, the Winona Van Norman VB Series Vertical Boring Machines are the ideal solution for machine shops seeking faster setups, greater precision, and dependable performance on every engine rebuild.

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