01
Tooth Segment / Tooth Cap
Tooth Segment / Tooth Cap
- Material Options
- ZGMn18Cr2 manganese steel / high-chromium cast iron / bimetal composites
- Installation and Function
- Toothed part that directly breaks the material
- Maintenance Category
- Very High
Center Sizer
CenterSizer crushes in the central zone between the rolls; SideSizer crushes between roll teeth and side combs. Verify tooth profile, roll length, breaker bar and gap from the complete machine model. Keep legacy thyssenkrupp Mining nameplates separate from current FLS records.
CenterSizer crushes in the central zone between the rolls; SideSizer crushes between roll teeth and side combs. Verify tooth profile, roll length, breaker bar and gap from the complete machine model. Keep legacy thyssenkrupp Mining nameplates separate from current FLS records.
Equipment Parts
Part Identification and Technical Details
Explore part names, images, material options and technical requirements. Select a card to open the corresponding replacement part page.
Individual parts
Individual and Maintenance Parts
02
Tooth Segment Bolt
Tooth Segment Bolt
- Material Options
- 42CrMo Alloy Steel
- Installation and Function
- Secures the tooth segments
03
Roll Bodies
Roll Shell / Drum
- Material Options
- Alloy Steel 42CrMo
- Installation and Function
- Roll body that supports the tooth segments
04
Toothed Roll Shaft
Roll Shaft
- Material Options
- 42CrMo / 40CrNiMo
- Installation and Function
- Drives the toothed rolls
05
Side Liner / End Plate
Side Liner / End Plate
- Material Options
- Hardox 500 / Manganese Steel
- Installation and Function
- Protects the side walls of the crushing chamber
06
Base Liners
Bottom Liner / Base Plate
- Material Options
- Hardox 500
- Installation and Function
- Protects the bottom of the crushing chamber
07
Scraper / Cleaner
Scraper / Cleaner
- Material Options
- Wear-Resistant Steel Plate
- Installation and Function
- Removes material adhering between the toothed rolls
08
Gearbox
Gearbox / Drive
- Material Options
- Case-carburized and hardened alloy steel
- Installation and Function
- Synchronizes the two toothed rolls
09
Bearing / Bearing Housing
Bearing / Bearing Housing
- Material Options
- Bearing steel / cast steel
- Installation and Function
- Supports the toothed roll shaft
10
Fluid Couplings
Hydraulic Coupling
- Material Options
- Aluminium alloy / steel
- Installation and Function
- Overload Protection
Materials for similarly named parts may differ by OEM, machine model and operating conditions. Confirm the machine model, drawing and measured dimensions before ordering or manufacture.
Material Information
- ZGMn18Cr2 is a candidate manganese steel grade for sizing teeth. Confirm the actual material, heat treatment and in-service hardness against the drawing and impact/abrasion conditions.
- Cr26 high-chromium cast iron: a candidate tooth material for low-impact, highly abrasive duties.
- Bimetal composite: high-chromium cast iron tooth crown with a forged-steel backing.
- Hardox 500: side and bottom liners.
Brand Applicability
FLS / legacy thyssenkrupp Mining CenterSizer / RollSizer DRS
Industry Applications
Crushing coal, limestone, clay and shale; aggregate production; primary and secondary ore crushing.
Materials for similarly named parts may differ by OEM, machine model and operating conditions. Confirm the machine model, drawing and measured dimensions before ordering or manufacture.