Double-roller crusher RollSizer series

stationaryprimaryhigh-capacity

Overview
Roll sizers for primary to quaternary mineral crushing, covering large, soft or sticky feeds (ABON® Low Speed Sizer) and higher‑throughput medium‑hard duties (RollSizer). Solutions focus on controlled sizing, reduced fines generation, modular wear parts and maintainability.

Main product families

• ABON® Low Speed Sizer — low roll speed, high torque, specialised tooth profiles; suited to very large, soft or sticky material and In Pit Crushing Systems (IPCC).
• RollSizer — higher throughput sizer with rotating rolls and replaceable crushing segments; suited to medium‑hard and sticky materials in primary, secondary and tertiary stages.

Key benefits

• Flexible duty: multiple sizes and configurations for primary, secondary and tertiary duties; selectable roll diameters and tooth/segment options.
• Wear and maintenance design: replaceable tooth picks and crushing segments, externally adjustable combs, shaft slot replacement to reduce downtime.
• Controlled crushing: reduced fines and dust through low tip speeds (ABON®) or interchangeable segment profiles (RollSizer), improving downstream handling.

Applications

• Primary, secondary and tertiary crushing of ores and minerals where controlled product sizing and reduced fines are required.
• ABON®: large, sticky or soft feeds and IPCC configurations; RollSizer: higher throughput installations and medium‑hard material processing.

How they work

• ABON® Sizer: low shaft tip speed and high torque with specialised tooth profiles; feed passes through the top of the chamber and is drawn between rotating shafts that reduce material to target sizes (typical tip speeds ~0.8 m/s primary to ~1.8 m/s tertiary).
• RollSizer: rotating rolls with replaceable crushing segments and comb options; configurable roll spacing and segment geometry to meet throughput and product quality targets.

Design & maintenance features

• ABON®: sizing teeth slide into machined shaft slots for replacement without shaft removal; low roll speeds reduce dynamic loads and wear; adjustable breaker bars (CenterSizers) and exchangeable tooth picks.
• SideSizers / RollSizer: outward rotating rolls operating against sidewalls with integrated, externally adjustable crushing combs; rolls use replaceable crushing segments available in multiple variants.

Models and comparative highlights
Max. feed size (CenterSizer / SideSizer)
480–850 mm (CenterSizer ranges) / 200–300 mm (SideSizer examples)

Throughput rate (representative)
up to 1,500 tph (smaller ABON® / RollSizer) / up to 2,500 tph (larger RollSizer examples); engineered solutions up to 10,000 tph in specialised configurations

Total installed power (representative)
55–220 kW (smaller ABON®) / 160–500 kW (larger RollSizer examples)

Product-specific notes

• ABON®: proven in low to very high tonnage applications, including IPCC installations exceeding 12,000 tph in multi‑stage layouts.
• RollSizer: custom‑engineered variants for higher throughput and tailored product quality; configuration depends on crushing stage and target grain size.

Service & support
Engineering, inspections, modernisations, repairs and refurbishments with certified spare parts; field assembly and service centre support available for FLSmidth sizers and third‑party machines.

Technical specifications

• Product families: ABON® Low Speed Sizer; RollSizer
• Typical ABON® tip speed: ~0.8 m/s (primary) to ~1.8 m/s (tertiary)
• Max. feed sizes (indicative): CenterSizer examples 480–850 mm; SideSizer examples 200–300 mm
• Throughput (indicative): ABON®/smaller RollSizers up to ~1,500 tph; larger RollSizers up to ~2,500 tph; engineered solutions up to 10,000 tph
• Installed power (indicative): 55–220 kW (smaller/ABON®); 160–500 kW (larger RollSizer)
• Wear parts: interchangeable tooth picks (ABON®), replaceable crushing segments and lateral combs (RollSizer/SideSizer)
• Operation modes: CenterSizer (primary, gaps toward centre); SideSizer (secondary, gap between outward rotating roll and sidewall)