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Title: Wheel Type Concrete Cutter
Author: C. Larry Schmidt
Source: American Gas Association 1972
Year Published: 1972
Abstract: A relatively new tool for cutting concrete is the carbide-tipped concrete cutting wheel (Fig. 1). This concrete cutting wheel is manufactured by Ditch Witch and as shown here is mounted on a Model R-65 Ditch Witch trencher. The wheel is 7 feet in diameter and has 100 carbide-tipped cutting teeth. It revolves at approximately 90 revolutions per minute in cutting gear and excavates to a depth of 30 inches, 4 inches wide. Excavated material is discharged from a chute in the upper right corner of the wheel enclosure. Discharge is based on centrifugal force and a rubber baffle which deflects the moving spoil to the chute. The wheel is screen enclosed for protection against possible projectile discharge of excavated material that bypasses the chute.

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