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Overview
Technical Specs
Wear Parts
Loesche

Cement VRM

Loesche vertical roller mills for cement grinding set the industry benchmark for energy efficiency and product quality. The 4-roller design with master and support rollers provides consistent grinding performance. The LSKS high-efficiency classifier enables precise control of cement fineness. Anranst supplies grinding rollers, table liners and classifier vanes in Cr26 high-chrome iron and ceramic composite options.

Typical Applications

Miningquarryingaggregatescementrecycling.
Cement VRM
Technical Data

Cement VRM — Models

ModelsWear Parts
ModelsLM 27.3 to LM 69.6
Wear PartsRoller sleeves, Grinding tables

Wear Parts

Manufactured from premium wear-resistant alloys including high-manganese steel, Cr-Mo alloy steel, and high-chrome cast iron.

Wear Parts

Cement VRM Wear Parts

Models

LM 27.3 to LM 69.6

Wear Parts

Roller sleeves, Grinding tables

Roller Sleeve / Grinding Roller Tire

Grinding roller for Loesche LM cement mills; handles clinker, slag and limestone grinding; 4+4 roller configuration in large mills

Cr26ASTM A532 Class III Type A / GB KmTBCr26
HardnessHRC 58-65
ToughnessAKV 5-8J
Tensile Strength≥ 500 MPa
Yield Strength—
GradeCSiMnCrMoNi
Cr262.0-3.3≤1.00.5-1.523.0-30.01.0-3.0≤1.5

Excellent abrasion resistance with M7C3 carbide network; 3-5x longer life than Mn steel in pure abrasive wear; ideal for vertical mill rollers and VSI rotors

Hardfacing Overlay (Cr-C)Cored wire overlay / WC + Cr-C composite
HardnessHRC 60-68 (overlay layer)
ToughnessAKV ≥ 30J (base metal)
Tensile Strength≥ 600 MPa (base)
Yield Strength≥ 350 MPa (base)
GradeCCrNbWFe
Hardfacing Overlay (Cr-C)3.0-5.520.0-35.04.0-8.00-10.0Balance

Weld overlay on cast steel base; can be re-welded 3-5 times for extended service life; cost-effective for VRM rollers and HPGR cheek plates

Table Liner / Grinding Track

Rotating grinding track; material is ground between roller tire and table liner under 350+ kN force

Cr26ASTM A532 Class III Type A / GB KmTBCr26
HardnessHRC 58-65
ToughnessAKV 5-8J
Tensile Strength≥ 500 MPa
Yield Strength—
GradeCSiMnCrMoNi
Cr262.0-3.3≤1.00.5-1.523.0-30.01.0-3.0≤1.5

Excellent abrasion resistance with M7C3 carbide network; 3-5x longer life than Mn steel in pure abrasive wear; ideal for vertical mill rollers and VSI rotors

Classifier Vane

Loesche cement mill LSKS classifier vanes; high-wear ceramic composite option available

Cr20ASTM A532 Class III Type A / GB KmTBCr20Mo
HardnessHRC 58-63
ToughnessAKV ≥ 10J
Tensile Strength≥ 600 MPa
Yield Strength—
GradeCSiMnCrMo
Cr202.0-3.3≤1.2≤1.518.0-23.0≤3.0

High hardness with moderate toughness; excellent for impact-crusher blow bars and hammer tips

Cr26ASTM A532 Class III Type A / GB KmTBCr26
HardnessHRC 60-65
ToughnessAKV ≥ 8J
Tensile Strength≥ 550 MPa
Yield Strength—
GradeCSiMnCrMo
Cr262.0-3.3≤1.2≤1.523.0-30.0≤2.0

Highest hardness for abrasive wear; best for fine crushing and grinding applications with low impact

Why Choose Anranst

  • Cr26 roller sleeves with optimized M7C3 carbide orientation for LM 46.2+4 to LM 70.4+4; 20-30% longer life than Cr20 in clinker grinding
  • Hardfacing rebuild option reduces total cost of ownership by 40% over 5-year period
  • Full Loesche cement mill coverage: LM 46.2+4, LM 53.3+4, LM 56.3+4, LM 60.4+4, LM 70.4+4
Cement VRM
Equipment

Loesche Equipment

Coal VRM

LM 12.2 to LM 43.4

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