Used 3 Roll Mills & Multi Roll Mills for Sale
3 roll mills and multi roll mills are high-shear grinding and dispersion systems designed to process viscous materials by passing them between rotating rolls. These machines use differential roll speeds to generate shear forces that break down agglomerates and achieve fine particle dispersion. Commonly used for precision applications, 3 roll mills are ideal for producing uniform, high-quality formulations. Used 3 roll and multi roll mills are widely utilized in inks, coatings, cosmetics, pharmaceuticals, and specialty chemicals. Aaron Equipment offers used 3 roll mills for sale in a range of roll sizes, materials, and configurations to support demanding processing requirements.
Stock No.:
52283018Used Douglas Aircraft 3-Roll Mill – 2.5" x 7" Rolls, 3/4 HP Motor
Used- Douglas Aircraft 3-Roll Mill. Includes 2-1/2" diameter X 7" face mild steel rolls. Manual spacing adjustment on rolls. Unit includes apron discharge, end plates and electrical panel. Driven by 3/4 HP, 220/440 Volts, 3-phase, 60 Hz, 1725 RPM motor. Foot pedal actuated.
Stock No.:
83818Industrial Three Roll Mill - Keith Machinery 4” x 8” Cored Rolls
Used- Keith Machinery Horizontal Three Roll Mill, Model 4X8. (3) 4" Diameter x 8" wide cored rolls. Adjustable end guides, knife scraper with discharge pan. Driven by an approximate 1 hp motor. Serial # 95021B.
MFR: Keith Machinery
Stock No.:
54180001Farrel Rubber/Plastic Laboratory Calender Mill – Inverted "L" 4-Roll, Adjustable Knives
Used- Farrel 4-Roll Inverted "L" Rubber/Plastic Laboratory Calendar Mill. 6" D x 13" L rolls. 500 degrees F max. roll temp. Up to 35 RPM. Fixed center roll w/ adjustable bottom, top, and offset. Full herringbone even speed gears on one side, Full herringbone friction gears on the other side. Nylon adjustable infeed guides. (2) adjustable twin knives on bottom roll. Cable safeties on both sides of frames. SCR drive w/ dynamic braking; Operators control station with variable speeds. Variable speed 7.5 HP motor. 3/460V. Serial# 73A1499.
MFR: Farrell
Stock No.:
51065020Used Kent 9" x 24" Three Roll Mill – Industrial TRM for Fine Grinding & Dispersion
Used- Kent 9" 24" three roll mill with manual roll/apron and temperature control, 10 hp silent chain drive. (TRM). with manual roll set, manual apron set, and manual roll temperature control. Probably driven through a silent chain drive by a 10 HP motor. Does not have an electrical package.
3 Roll Mill Applications & Typical Use Cases
Used 3 roll mills and multi roll mills are commonly used in applications requiring fine particle size reduction and dispersion. Typical use cases include:
Ink and pigment dispersion
Paints, coatings, and dyes
Cosmetic and personal care formulations
Pharmaceutical ointments and creams
Adhesives and specialty chemical processing
These systems are essential for achieving smooth textures and consistent product quality.
When to Choose a 3 Roll Mill
3 roll mills are best suited for processes requiring high-shear dispersion of viscous materials and precise control over particle size. They are typically selected when uniformity and fine dispersion are critical. Compared to other milling or mixing equipment, 3 roll mills provide superior control over shear intensity and are often used in applications requiring high-quality surface finish and consistency.
Used 3 Roll Mill Buying Considerations
When evaluating a used 3 roll or multi roll mill, consider:
Roll size and material: Ceramic or hardened steel rolls impact durability and application compatibility
Roll speed differential: Determines shear intensity and dispersion quality
Gap adjustment system: Critical for controlling particle size and consistency
Cooling system: Important for temperature-sensitive materials
Condition and wear: Inspect rolls for scoring, pitting, or uneven surfaces
Why Buy Used 3 Roll Mills
Purchasing a used 3 roll mill can significantly reduce capital investment while maintaining high-performance dispersion capabilities. Many units are available for immediate delivery, helping facilities avoid long lead times associated with new equipment. Used mills also provide access to proven designs suitable for precision processing applications.
Sell Your Used 3 Roll Mills
Aaron Equipment purchases surplus and used 3 roll mills and multi roll mills from a wide range of manufacturers and configurations. Whether you are upgrading equipment, downsizing operations, or selling idle assets, our team can assist with buyouts or consignment opportunities.
A 3 roll mill is a high-shear machine that uses three rotating rolls to grind and disperse materials. It is commonly used for processing viscous products requiring fine particle size and uniform consistency.
3 roll mills are used for dispersing pigments, inks, coatings, cosmetics, pharmaceuticals, and specialty chemicals. They are ideal for applications requiring fine grinding and consistent texture.
3 roll mills use high shear between rolls to achieve fine dispersion, while other mills may rely on impact or attrition. This allows for better control over particle size and product uniformity.
The cost of a used 3 roll mill depends on roll size, material, manufacturer, configuration, and condition. Larger or specialized units typically command higher prices.
Yes. Aaron Equipment purchases used 3 roll mills and multi roll mills across a range of sizes and configurations. If you have equipment available for sale, submit your details to receive an evaluation.