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Piezas de prensa de rodillos

Cuatro piezas de desgaste clave. La superficie de rodillo con tachones es el producto más exigente en molienda de cemento: un solo pin perdido puede destruir el rodillo en 3 meses.

Bandajes de prensa de rodillos / rodillos con pernos

Bandajes de prensa de rodillos / rodillos con pernos — piezas de desgaste para prensas de rodillos y HPGR en molienda de cemento, escoria y minería. Suministro compatible OEM, fundición y mecanizado a medida, certificados de material incluidos.

Studded WC+CrMo Hardfaced (Rebuild) Monobloc Cr-Mo Cast
Configuración
Studded / Hardfaced / Monobloc
Material base
Cr-Mo alloy / Cr-Mo forged

Placas laterales de desgaste / placas de mejilla de prensa de rodillos

Placas laterales de desgaste / placas de mejilla de prensa de rodillos — piezas de desgaste para prensas de rodillos y HPGR en molienda de cemento, escoria y minería. Suministro compatible OEM, fundición y mecanizado a medida, certificados de material incluidos.

Hardox 500 Cr26 HB400 + Ceramic
Material
Hardox 500 / Cr26 / HB400+ceramic
Dureza
HB 500 / HRC 58–62 / 70+ HRC

Rascadores de prensa de rodillos / raspadores de limpieza

Rascadores de prensa de rodillos / raspadores de limpieza — piezas de desgaste para prensas de rodillos y HPGR en molienda de cemento, escoria y minería. Suministro compatible OEM, fundición y mecanizado a medida, certificados de material incluidos.

Tungsten Carbide Tip Segmented Design Hardox Base
Material
WC tip + Hardox base
Dureza
WC HV 1,800+ / Hardox HB 450

Revestimientos de chute de alimentación y tolva de prensa de rodillos

Revestimientos de chute de alimentación y tolva de prensa de rodillos — piezas de desgaste para prensas de rodillos y HPGR en molienda de cemento, escoria y minería. Suministro compatible OEM, fundición y mecanizado a medida, certificados de material incluidos.

HB400 Hardox 450 Cr26 Overlay
Material
HB400 / Hardox 450 / Cr26 overlay
Dureza
HB 400–450 / HRC 58–62
Compatibility

Supported Crusher Brands & Models

Click a brand to see all supported models. Every part is reverse-engineered to OEM specifications.

FLSmidth Full Range

HRC (Hydraulic Roller Press)

HRC 800HRC 1000HRC 1200HRC 1400HRC 1600HRC 1800HRC 2000

Polycom (Legacy)

Polycom 10/6Polycom 12/8Polycom 14/10Polycom 16/12Polycom 18/14Polycom 20/16Polycom 24/20
KHD Humboldt Wedag Full Range

Polycom Roller Press

Polycom 6/4Polycom 8/5Polycom 10/6Polycom 12/8Polycom 14/10Polycom 16/12Polycom 18/14Polycom 20/16Polycom 24/20
Koppern / Maschinenfabrik Koppern Full Range

HPGR Series

HPGR 600HPGR 800HPGR 1000HPGR 1200HPGR 1400HPGR 1600HPGR 1800

Roller Press Legacy

RP 8RP 10RP 12RP 14RP 16RP 18RP 20RP 24
ThyssenKrupp / Polysius Full Range

QUADROPOL Roller Press

QRP 20/13QRP 22/15QRP 24/17QRP 26/19QRP 28/21QRP 30/23
Metso / Outotec Full Range

HRC Pro

HRC Pro 800HRC Pro 1000HRC Pro 1200HRC Pro 1400

HRCD

HRCD 800HRCD 1000HRCD 1200HRCD 1400
Chinese OEM (CITIC / Sinoma / Hefei / Chengdu) Full Range

CITIC GYP

GYP 800GYP 1000GYP 1200GYP 1400GYP 1600

Sinoma CLM

CLM 90CLM 110CLM 120CLM 140CLM 160CLM 200

Hefei ZLB

ZLB 80ZLB 100ZLB 120ZLB 140ZLB 160

Chengdu HIT

HIT-RP 80HIT-RP 100HIT-RP 120HIT-RP 140HIT-RP 160
Material Guide

Which Configuration for Your Application?

Roller press wear economics are dominated by stud retention and rebuild cycle count. Choose the right configuration for your feed material and grinding circuit.

A. Roller Tyre Configuration Decision

ConfigurationApplicationBase MaterialSurfaceMaintenanceTypical LifeRelative Cost
StuddedCement finish grindingCr-Mo alloy steelWC-Co pins (HV 1,400+)Pin replacement, not full rebuildApplication-dependentHighest barrier / value
HardfacedCement raw / slag grindingCr-Mo forged ringPeriodic hardfacing weld overlayRebuild cycles based on wearApplication-dependentLowest lifetime cost
Monobloc CastMining HPGR (Cu/Au/Fe)Cr-Mo / Ni-Hard 4As-cast or machined profileReplace when past rebuild limitApplication-dependentMedium

B. Ancillary Parts Material Guide

PartGradeHardnessTypical LifeFailure Consequence If Ignored
Side Wear Plates (cement)Hardox 500 / Cr26HB 500 / HRC 58–62Application-dependent15–30% efficiency loss
Side Wear Plates (HPGR)Cr26 + Ceramic insertHRC 58–62 / 70+Application-dependentRapid edge wear, roller damage
Scraper BladesWC insert + Hardox baseWC HV 1,800+Application-dependentStud loss / hot spots on roller
Feed Chute LinersHB400 / Hardox 450HB 400–450Application-dependentUneven roller wear = 50% life reduction

Three Rules for Roller Press Wear Economics

① One lost stud triggers a chain reaction. When one WC pin detaches, material gets trapped in the void, scouring the Cr-Mo base around neighboring pins. Within weeks, 4\u20136 adjacent pins follow. Within 3 months, the roller surface is ruined. Stud retention is the #1 quality metric.

② Side wear plates are the invisible cost driver. When cheek plates wear, material bypasses the roller gap. Grinding pressure drops, roller efficiency falls 15\u201330%, and the entire grinding circuit throughput suffers. Replace cheek plates alongside every roller maintenance interval.

③ Hardfaced rollers are rebuildable \u2014 but only if the base ring is sound. Quality Cr-Mo forged base rings survive 5\u20138 rebuild cycles before fatigue cracks appear. A poor base ring fails in 2\u20133 cycles. The base ring casting quality determines the lifetime economics of a hardfaced roller system.

Por qué elegir ZL Crusher Parts

Directo de fundición. Sin intermediarios.

30+ años de fundición. 18.000 toneladas de capacidad. Cada pieza diseñada, fundida, tratada, mecanizada y verificada en nuestra fábrica de Luoyang. ISO 9001:2015.

9 pasos QC. Trazabilidad completa.

Espectrómetro → microscopio → impacto → tracción → dureza → 3D scanner → UT → MT → espectrómetro portátil. Cada informe con su pedido.

Global. Confiado por líderes.

Exportado a 37+ países en cuatro regiones globales. Proveedor de CEMEX, LafargeHolcim, Heidelberg Cement, TATA Steel y POSCO. Centro oficial Hardox® Wear Parts desde 2017.

FAQ

Frequently Asked Questions

Studded, hardfaced, or monobloc — which roller tyre?
Studded (WC pins in Cr-Mo base): highest-barrier product, best for cement finish grinding where maximum surface life justifies the premium. Hardfaced: rebuildable (5–8 cycles on quality base ring), lowest lifetime cost for cement raw and slag grinding. Monobloc cast: simplest design, best for mining HPGR (Cu/Au/Fe) where throughput dominates over surface life.
One lost stud — how quickly does damage spread?
Within weeks, a single lost WC pin creates a void where material packs and scours the base ring around 4–6 adjacent pins. Within 3 months, the entire roller surface is compromised. Stud retention is the #1 quality metric — metallurgical bonding of WC pins to the Cr-Mo base ring is the critical manufacturing step.
How often should I replace side wear plates?
Replace side wear plates alongside every roller maintenance interval. Worn plates allow material bypass that drops grinding pressure and roller efficiency by 15–30%. The entire grinding circuit throughput suffers — the energy penalty alone typically exceeds the replacement cost of the plates.
Uneven roller wear — what's the #1 cause?
Uneven feed distribution across the roller width. Inspect and replace feed chute liners as part of every roller maintenance cycle. Worn or misaligned chute liners channel feed to one side of the roller, creating localized high-pressure zones and uneven surface degradation.

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