The current Polysius high-pressure bed-grinding range: identify wear, bearing, hydraulic and drive parts by project configuration, roll design, diameter/width and installation position.
polycom® is customized for material, output and process rather than sold through uniform public model codes. Published configurations, historical installation size ranges and roll, bearing, hydraulic and drive data support spare identification against actual machine records.
The current website describes project-specific polycom® configurations without uniform model codes. The table lists only traceable current configurations and historical mineral-HPGR dimensions.
| Published configuration / installation range | Roll diameter / identification range | Roll width / configuration | Capacity and application | Product status |
|---|---|---|---|---|
| polycom® raw-material finish grinding | Customized by material and output | Project-specific | Published maximum capacity exceeds 2000 t/h; maximum feed size 60 mm | Current product |
| polycom® cementitious-material finish grinding | Customized for cement clinker, slag and other materials | Project-specific | Paired with sepol® classification | Current product |
| polycom® pregrinding / combined grinding | Adapted to the existing ball mill circuit | Project-specific | Capacity-expansion and energy-saving retrofits | Current product |
| Polysius mineral HPGR installed range | Roll diameter 0.5–2.8 m | Roll width 0.2–1.8 m | 20 to over 2500 t/h; 2 × 50 to 2 × 3000 kW | Historical technical-data range |
Before manufacture, confirm nameplate, serial number, roll diameter/width, fixed/floating position, surface design, bearings, hydraulics, drive, drawing number and revision.
Roll surfaces, studs, edges, cheek plates and chutes face different pressure, impact and wear mechanisms. Confirm materials and processes separately by position.
Forged / Welded Roll Body
Hardfaced profiles retain a material bed for autogenous wear protection. Confirm diameter, width, hardfacing type, pattern, hard layer and edge design against installation drawings.
Material selection: Core, transition and hardfacing layers are separate material/process systems. Define them using specific wear, pressure, repair interval and site welding conditions.
View the common part page →Compound-Cast Roll Body
A tough core and high-compressive-strength outer layer serve high-specific-wear duties. Confirm layer thickness, interface, profile, ends and shaft assembly as a complete roll unit.
Material selection: Compound casting requires control of core toughness, outer-layer compression/wear resistance, metallurgical bonding, heat treatment and nondestructive examination, not hardness alone.
View the common part page →
Hard-Metal Studded Roll Surface
Studs retain a protective material bed. Diameter, length, density, pattern, edge zones and hole fits vary with roll and feed.
Material selection: Studs use carbide systems. Roll-body holes require strength, toughness and crack resistance; installation/replacement must control interference, hole quality and edge protection.
View the common part page →
Cheek Plate / Side Liner
Limit lateral escape from the roll gap and stabilize the feed column. Check profile, thickness, clearance, supports, left/right position and edge wear zones by roll diameter and width.
Material selection: Face lateral compression from high-pressure material and abrasion. Assess wear plate, alloy steel or reinforced composites, controlling edge crack resistance and dimensions.
View the common part page →
Roll Edge Protection
Protect high-wear roll ends against spalling and side leakage. Confirm segments, fastening, end faces, overlaps with stud zones and left/right roll position against original drawings.
Material selection: Edges face impact, shear and stress concentration. Tough wear alloys, carbide inserts or composites require validation of chipping resistance.
View the common part page →
بطانة مزلق التغذية
Cover feed drop points and the material column, supporting uniform feeding and protecting the chute shell. Confirm holes, joints, drop height, access and cheek-plate interfaces against chute drawings.
Material selection: Select wear plate, rubber or polyurethane composites by size, drop height, moisture and impact-wear zones; check blockage and delamination risks.
View the common part page →
بطانة قناة التفريغ
Protect cake-discharge and transfer passages against sliding wear, local impact and buildup. Confirm profile, holes, joints, slope and downstream interfaces against discharge-chute drawings.
Material selection: Select wear plate or elastic composite liners against cake strength, moisture, speed and clearing methods, controlling joint, edge and fastener wear.
View the common part page →Check drive and functional parts individually for interfaces, loads, materials, heat treatment, flaw detection, machining, sealing and system parameters.
Fixed Roll Unit
Roll body, mainshaft, bearings, seals and end interfaces are fixed on one frame side. Confirm diameter, width, journals, supports, drive end and surface design as an assembly.
Material selection: Large roll shafts, bearing fits, wear surfaces, heat treatment, flaw detection and dynamic balance require one coordinated manufacturing and acceptance plan.
Submit fixed-roll assembly drawings →Floating Roll Unit
Moves along guides under hydraulic cylinders to generate grinding force. Besides rolls and bearings, check sliding guides, pressure beams, cylinder mounts, stops and skew-control interfaces together.
Material selection: Select materials, heat treatment and surface strengthening separately for roll shafts, guides and force-transfer parts against impact, contact stress, fatigue and slow-speed heavy loads.
Submit floating-roll assembly drawings →
Roll Bearing & Seal
Carry high grinding forces, impact and skew loads. Confirm bearing designation, clearance, housing bore, covers, labyrinths, oil seals, lubrication and left/right position against installation records.
Material selection: Procure bearings to original designation and clearance. Select seals for lubricant, dust, temperature, speed and journal condition; similar appearance is not sufficient.
View the common part page →
Hydraulic Cylinder & Seal Set
Apply preload and grinding force to the floating roll, working with accumulators to absorb load fluctuations. Check bore, stroke, mounting distance, pins, pressure and interfaces as a set.
Material selection: Confirm barrels, rods, pins, seals and surfaces against high pressure, side load, contamination and temperature; conduct dimensional and pressure tests after repair.
View the common part page →Drive علبة التروس, Coupling & Torque Support
Rolls are usually driven separately. Confirm motors, gearboxes, couplings, hollow-shaft or shaft-end connections, torque supports and guards together by power, speed, rotation and interfaces.
Material selection: Manufacture or source gears, shafts, couplings and supports to torque, impact, fatigue, tooth loading, heat treatment, flaw detection and dynamic-balance requirements.
Submit drive nameplates and interface drawings →
Lubrication, Cooling & Scraper System
Includes bearing lubrication, cooling lines, filtration, monitoring and roll/discharge cleaning parts. Check pumps, valves, filters, nozzles, scrapers and instruments against medium and schematics.
Material selection: Select scraper wear metals or elastic materials for contact wear; select seals, hoses and filters for pressure, temperature, oil and contamination class.
View the common part page →Current manufacturer pages explicitly configure machines for material, process and project requirements without a uniform public model table. Identification requires nameplate, roll diameter/width, surface design, serial number and drawings.
No. Roll construction, pressure, specific wear, edge protection, maintenance and project configuration differ. Assess the complete roll unit and operating conditions.
No. Confirm fixed/floating position, journals and housing bores, bearing designation, clearance, cylinder dimensions and pressure, seals, interfaces and drawing revision.
Provide serial number, roll diameter/width, surface design, fixed/floating position, bearing and hydraulic nameplates, drawing number, used-part photos, material and conditions for identification, material assessment, manufacture, quality control and delivery.
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