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4" Width Electric Cold Roller Press with Variable Speed - (Ar Glovebox compatible) - MSK-HRP-MR100DC

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MSK-HRP-MR100DC is a UL/CSA ready electric rolling press with variable speed 24VDC gear motor and UL certified switch power supply, which can be used from 110V- 220VAC under Argon gas glovebox. It has dual rollers of 100 mm Dia. x 100mm width and is an ideal rolling press for preparing electrode sheet for Li-Ion batteries research after coating and drying. (Since 11/29/2016, MR100DC ceramic coated roller option is available.)


Working Voltage
  • 110V - 240V AC, 50/60Hz, worldwide use
  • UL/CSA/TUV certified power supply is in the outside machine for easy 
  • High Current torque 24V DC motor with reducing gear 
  • 1.8 A Max.
  • Rated power 40W
Rolling Speed
  • Dimensions: 100mm (Dia.) x 100mm (W)
  • Rolling Speed: 5-40mm/s or 0.3 - 2.4 Meter/ Minute adjustable
Roller Gap
  • 0-1.2mm adjustable
  • Gap width gauge accuracy:: ±10 micron (0.01mm)
Standard: Steel Rollers Optional ceramic rollers
  • Material: Made from hardened tool steel (RC > 62) with Cr electroplated coating
  • Roller diameter tolerance (TIR): <0.004mm
  • RA (Roughness Average): 0.4um
  • Never roll materials with hardness > 50HRC (benchtop rolling press is not suitable for calendering thick metals. For applications with such needs, please consult with MTI engineers.)
  • Optional: Ceramically coated  rollers are available in the product option bar
    • Ceramic coated on hardened tool steel with HRC > 72,
    • The coating material: 97% is chromic oxide; 3% is Al2O3, CaO3, and MgO
    • This roller is specially designed for rolling Lithium metal sheet, please don't use it for hard material
Roll to Roll System (Not included)

MSK-HRP-04-RD R2R system can be integrated with the calendering machine at extra cost to enable the automatic film unwinding -> winding after calendering. Please click underline to view product details.                                     

Product Dimensions    433 mm (L) x 205 mm (W) x 305 mm (H) 
  • CE Certificated
  • NRTL(UL61010) or CSA certification is available upon request at an extra cost
  • One-year limited manufacturer warranty with lifetime support
  • Rusting and damage due to improper storage condition or maintenance are not covered by warranty
Operation Video              
       Operation Video                Gauge Calibration Video         Cleaning Instruction
Application Notes
  • MSK-MR100DC roller can be used under Ar or N2 gas glove-box
  • Must use acetone to clean and dry rollers' surfaces after each use to avoid rusting
  • Apply anti-rust lubricant on roller surface if the machine were to be unused for a long period of time
  • Never rolls materials with hardness > 50HRC
  • Min. thickness for each rolling is dependent on the materials. Here are some results from our test:
  • Please refer to this instruction on how to calculate rolling pressure from the roller gap (reference only)
Electrode Size Original thickness Finished thickness
LiFePO4 double sides 50mm Width x 260mm Length 0.205mm 0.09mm
LiMn2O4 double sides 50mm Width x 260mm Length 0.205mm 0.09mm
Copper foil + graphite (single side) 75mm Width x 240mm Length 0.09mm 0.04mm
  • If rolling Lithium metal foil,   high purity mineral oil shall be used as a lubricant to avoid Li sticks on the roller. Click the link below to learn how to clean mineral oil from sample
  • The machine is not designed for thick metallic material. Click pic left for the rolling machine for metal
  • In order to prolong the lifespan of the roller bearings, regular lubrication is recommended
  • Multi-step thickness calendering needed: While calendering the sample sheet, make each calendering decrement of 0.02mm compared to the sheet original thickness
  • Never calendering decrement over 0.02mm comparing to original sheet thickness each calendering.
  • Must clean roller surface after each rolling and lubricate when not in use to avoid corrosion
  • it is not allowed to use any MTI product in any hazardous location, especially prohibited from using in Class I environments (flammable gasses & vapor)
Net Weight 123 lbs
Shipping Weight 160 lbs 
Shipping Dimensions 40" x 27" x 26"

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