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Mini-Roller Continuous Lubrication for Coil Stock by UNIST

Continuous lubrication for thin and narrow coil stock. Perfect for high-speed presses, small press windows and applications like punching, stamping, four-slide, and roll forming.
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A multidisciplinary team to accompany you in your projects
A remarkable After-Sales Support
Unrivaled quality and a customized product

Intelligent Stock Coating Solution

The Mini-Roller™ applies the correct amount of fluid for your small press window and high-speed, short feed length applications when combined with a SmartFlow® programmable fluid controller. This 1 to 6 in. wide (25 mm to 152.4 mm) unit consistently applies the correct amount of fluid and lets you start saving now.

Advantages of the Mini-Roller

  • Uni-Roller precision for narrow coil
  • Internally-supplied rollers
  • Consistent fluid application
  • Neat application - No fluid mess!
  • Horizontal or vertical
  • Reduces fluid usage - Saves money!

Applications of the Mini-Roller

  • Small press windows
  • High-speed, short-feed lengths
  • Thin stock
  • Punching
  • Stamping
  • Roll forming
  • Four slide
  • Many other metal forming applications

Mini-Roller™ Reduces Fluid Usage and Saves Money

On average, a Unist system can reduce stamping fluid consumption by 50% with some customers reporting reductions as high as 90%!

Delivers Return on Investment in Less Than 6 Months

That's what many of our customers report. By applying the proper amount of fluid, the Uni-Roller® lubricator uses 50 to 90% less lubricant. Plus it decreases the mess, the parts cleaning, fluid recycling and costs associated with in-die spray systems, rag technology and externally lubricated rollers.

An Ingenious Design

2 Configurations

The Horizontal model uses a fluid controller to inject lubricant into a dispenser tube inside the roller. Small holes in the tube evenly distribute the lubricant along the length of the roller.

The Vertical model uses a baffle positioned inside each of the rollers near the top. Every time the fluid controller injects lubricant into the dispenser tube, the fluid spreads across the baffle and is redirected to the outside of the roller. Gravity pulls fluid down the length of the cover.

Available Widths

Both vertical and horizontal Mini-Rollers™ are available in 1" (25mm), 2" (51mm), 3" (76mm), 4" (102mm), and 6" (152.4mm) widths

Available Roller Covers

Polyester felt (standard)
Extremely durable and compatible with a broad range of fluids

Polyurethane foam cover (optional)
For use with vanishing oils and with thin stock which is narrow compared to overall roller width. Limited fluid compatibility, please contact Unist before selecting this option.

The Internally-Supplied Difference

The internally-supplied rollers are essential to precisely applying the fluid. Inside each of the rollers is a dispenser tube with small holes placed along its length. Fluid is injected into the dispenser tubes from the fluid controller and dispensed across the inside of the rollers. The lubricant is transferred to the stock through durable polyester felt or polyurethane foam roller covers. These cover materials apply the lubricant smoothly and evenly across both the top and bottom of the stock.

The Uni-Roller® S2 Powered applies the exact amount of lubricant required. This eliminates the mess and waste associated with in-die spray systems and externally lubricated roller systems. The result is not only a cleaner shop, but also significant savings from decreased fluid waste, improved die life, better part quality and increased machine up-time. Many customers have reported savings resulting in a return on investment of less than six months!

Technical Specifications

Stock type Narrow coil stock
Stock thickness .002" - 0.060" (.05mm – 1.52mm)
Stock width 0.5" - 6" (12.7mm – 152.4mm)
Fluid type(s) For use with a broad range of water soluble and neat lubricants. Viscosity from 30 – 1000 SUS. Thicker lubricants can be tested by Unist for compatibility.
Fluid supply Pressurized 3 gal (11.4L), 6 gal (22.7L), 15 gal (56.8L), 30 gal (113.6L) tank. Also 20 gal (75.7L) poly tank with diaphragm pump. Also can be integrated into customer’s bulk fluid system
Applicator material Polyester felt or polyurethane foam
Controller SmartFlow
Power NA (see SmartFlow® for controller power requirements)
Mounting Integral mounting flange with thru-holes for #10 bolts

Options & Accessories

Polyurethane Foam Roller Cover

Reduces uneven wear on cover when a variety of stock widths and thicknesses are used. Due to limited fluid compatibility, consult Unist.

Polyester Felt Roller Cover

Extremely durable and compatible with a broad range of fluids.

Rotation Sensor

Provides an input signal to an SPR-2000™ controller based on roller rotation. Select when an intermittent signal from press not available.

Supply & Connections - In-Die Quick Connect

Allows for permanent spray nozzle mounting to the die. Ensures nozzles remain in correct position with each die change.

The Montfort Benefits

A multidisciplinary team to accompany you in your projects
They move to your factory, to your workshop, and effectively meet your needs for improvement; from development to installation.
Unrivaled quality and a customized product
We stand out from the competition by meeting your specific needs with equipment and tools notorious for their reliability and excellent value for money.
A remarkable After-Sales Support
The team of Montfort technicians support all our divisions by installing, maintaining and guaranteeing our equipment.