Monode PR-320 Pneumatic Roll Marker

Heavy-Duty Pneumatic Roll Marking Machine for Round, Flat, and Contoured Components

The PR-320 adds versatility and efficiency to marking operations[cite: 2]. It can operate in any position to fit specific applications, such as marking components on transfer type machines[cite: 2]. Accepts existing roll marking machine tools or can be equipped with Imperial’s standard line of fixtures

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Precision Multi-Surface Pneumatic Roll Marking Machine

The Monode PR-320 is a heavy-duty pneumatic roll marking machine engineered to apply high-quality impressions to round, flat, or contoured surfaces. Utilizing an open-back “H” frame design and dual-axis pneumatic marking heads, the PR-320 delivers up to 8,000 lbs of controlled pressure while allowing long parts to pass through with ease.

Key Features & Advantages

  • Rugged “H” Frame Construction: Built with an open-back design and an enclosed base to maximize stability while reducing physical footprint. The open back easily accommodates long workpieces.
  • Multi-Attitude Mounting: Capable of operating in virtually any position—vertical, horizontal, or angle-mounted—to fit transfer machines and specialized fixtures.
  • Fully Pneumatic Power: Operates using horizontal and vertical air cylinders without electric motors, requiring no electrical power unless integrated with automated feed systems.
  • High Production Throughput: Capable of variable stroke lengths (1/4″ to 6″) and speeds up to 4,800 strokes per hour.
  • Large Work Area & Tooling Compatibility: Features a large die space with a handwheel for fine depth adjustments. Accepts standard roll-marking tooling, interchangeable typeholders, numbering heads, and Imperial roller carriages/cradles[cite: 2].