For over 150 years, Ingersoll Rand (IR) has been a trusted name in construction equipment, with Canadian businesses sourcing their tools through Dobco Equipment Ltd. Among IR’s offerings are three high-performance self-feed drill series: the Bant-A-Matic, Par-A-Matic, and Super Par-A-Matic, designed to automate and streamline secondary machining tasks across multiple industries.
All three models operate using compressed air for spindle rotation and feed controls, ensuring reliable performance. Equipped with a rotary-vane air motor, these drills deliver high power-to-size efficiency, allowing for compact, lightweight tool designs with minimal installation complexity. Their pneumatic circuitry simplifies setup, and they can be used independently or alongside other IR electric and pneumatic tools. With speeds ranging from 350 to 19,000 RPM, Dobco also provides twin head spindles for enhanced versatility.
Installing these self-feed drills is straightforward. Workers first remove the thread guard (left-hand thread) before inserting the drill into the mounting fixture. The drill is then advanced to the workpiece, with the stroke screw set to the desired cutting depth. The Hydraulic Check should be adjusted to contact the part at approximately 1/8 inch. Next, the air line is connected to the main inlet, with 9600 bleed valves installed and lines attached to the start/retract ports and buttons. After setting the feed rate to zero, a dry run is performed before gradually increasing the feed rate and conducting a test run with the workpiece in place.
These drills serve critical functions across numerous industries. In aerospace, they create rivet holes for wing-frame mounting. Appliance manufacturers rely on them for panel and frame holes in shipping bases, while furniture makers use them for dowel holes in chairs, frames, and backs. The metal fabrication industry benefits from their precision in drilling cast components and sheet metal. Recreational vehicle producers apply them to ATVs, snowmobiles, and trailer components, and automotive manufacturers use them for engine mounts, hinges, and body frame holes. The construction sector also utilizes these drills for windows, doors, and cabinet assembly.
With durability, precision, and ease of use, Ingersoll Rand’s self-feed drills continue to be a preferred choice for manufacturers seeking efficiency in secondary machining operations.
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