Stewart Bolling 6" x 13" Laboratory Pilot 2-Roll Mill

Model: 6x13 Lab Series | Rolls: Steam-Heated Chrome | Drive: Dual Variable Speed

Overview

The Stewart Bolling 6" x 13" Laboratory Mill is the gold standard for R&D departments, university labs, and pilot production facilities. This unit is specifically engineered for precision mixing, warming, and sheeting of small-batch rubber and plastic compounds. Built with the same legendary cast-iron rigidity as Bolling's massive production mills, this pilot model ensures that your lab results translate accurately to full-scale manufacturing.

Featuring steam-heated, mirror-finish chrome rolls, this mill provides exceptional thermal conductivity and easy release for even the most "grabby" polymer formulations. With its dual variable speed drives, operators have total control over the friction ratio, allowing for aggressive shearing or gentle warming as required by the batch recipe.

Technical Specifications

• Roll Dimensions: 6" Diameter x 13" Face Length
• Roll Surface: High-Polished Chrome (Cored for Steam/Water)
• Drive System: Dual 5 HP Louis Allis DC Motors (Independent Variable Speed)
• Gear Reducer: Foote Bros Heavy-Duty (approx. 14:1 ratio)
• Adjustments: Dual hand micrometer screws for precision gap (nip) control
• Friction Ratio: Standard 1.4:1 (Adjustable via variable speed controls)
• Electrical: 230V DC (Standard 3-Phase AC conversion available)
• Footprint: Cabinet-style base with under-slung drive for space efficiency

Safety & Compliance

This Stewart Bolling unit is equipped with professional-grade safety systems to meet modern industrial standards:

• Knee Safety Triggers: Dual front and back knee-actuated bars for instant emergency stopping.
• Overhead Pull Cables: (Optional/Included) Additional emergency stop access for the operator.
• Electrical Interlocks: Integrated into the control cabinet to prevent startup during maintenance.