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The First and Only Roll Crushers Able to Size Coal, Salts, Potash, Lime and Soft Minerals in 3 Dimensions

Roll Crushers model 3070D Two Stage Four Roll

Gundlach roll crushers are available in four model series with single-stage and two-stage designs. Rolls range from 300 mm to 900 mm, with roll lengths 500 mm to 3000 mm, and feeds up to 1200 mm and product sizes to 6 mm.

These roll crushers are available with Gundlach's breakthrough 3-D crushing technology that includes intermeshing continuous tooth roll design and positive roll timing that delivers the industry's best dimensional product control, fewer fines and elimination of over-size material. Gundlach's roll crushers deliver higher quality cubical product, minimal fines and consistently repeatable performance for sizing coal, coke, glass, fertilizer, potash, salts, lime, limestone, soft ores, friable materials and industrial minerals.
 


 
 

Roll Crusher Overview

Materials Crushed

  • Coal: from ROM coal to clean coal, lignite (brown coal), bituminous, sub-bituminous and Anthracite including frozen agglomerates
  • Coke: petroleum coke, metallurgical coke, green or calcined
  • Glass: cullet or bottles, plate glass, overrun glass on production line
  • Fertilizer and potash: MAP, DAP, potash ore and flake among others
  • Salts: rock salt, solar salt, KCl, NaCl
  • Lime and limestone: soft to medium limestone and dolomites for sorbent in boiler application, burnt lime, ag lime, hydrated lime
  • Soft ores: shales, clays, phosphates, oil shale
  • Friable materials: ash, boiler slag, nuts and nut shells, cement clinker, ceramic floor tiles
  • Minerals: kernite, borax, caliche, bauxite, phosphate, talc
  • Hard to handle materials such as graphite electrodes, hot material and sticky materials
  • Hot iron sinter
     

Roll Crusher Capacities

  • Feed size: up to 1200 mm in size
  • Product sized to: typical products are 100 mm, 50 mm, 38 mm, down to 6 mm depending on feed size
  • Throughput: from as low as 10 TPH up to over 6000 TPH, depending on material, feed size and product size

Roll Crusher Models

2000 Series Roll Crushers

  • Single-stage and two-stage models
  • 13-15" diameter rolls (330 mm to 380 mm)
  • Roll face up to 60" (1525 mm) wide
  • For sizing materials with compressive strength up to 8,000 PSI (55 Mpa) 
     

3000 Series Roll Crushers

  • Single-stage and two-stage models
  • 13-15" diameter rolls (330 mm to 380 mm)
  • Roll face up to 80" (2030 mm) wide
  • For sizing materials with compressive strength up to 12,000 PSI (83 Mpa)
     

4000 Series Roll Crushers

  • Single-stage and two-stage models
  • 24" (610 mm) and 30" (762 mm) diameter rolls
  • Roll face up to 100" (2540 mm) wide
  • For sizing materials with compressive strength up to 18,000 PSI (124 Mpa) 
     

5000 Series Roll Crushers

  • Single-stage and two-stage models
  • 30" (762 mm) and 36" (915 mm) diameter rolls
  • Roll face up to 120" (3050 mm) wide
  • For sizing materials with compressive strength up to 22,000 PSI (152 Mpa)

Roll Crusher Features

Roll Crusher Features

Model 3060D, Two-Stage, Four Roll Crusher

Inside a Two-Stage, Four Roll Crusher: Click the link above to view the many features available from Gundlach Two-Stage, Four Roll Crushers.


Roll Crushers Engineered for Reliable Operation, Maximum Yield and Easy Maintenance

From Crusher rolls to shafts and bearings, from lubrication systems to easy access housing design, Gundlach roll crushers are engineered with performance and maintainability built in.


Reliable Operation provided by Tough Crusher Shafts & Bearings as well as Main & Secondary Drive Systems.

heat treated, forged alloy steel shafts and bearingsmain drive and secondary drive systems Heat treated, forged alloy steel built to tolerate the extreme forces of crushing. Double-row, spherical roller bearings have a L-10 mean operating life of over 100,000 hours.

Main drive options include sheave or flywheel V-belt drives with one motor or two motor configurations available. Secondary drives, for two-stage roll crushers, are powered by either state-of-the-art cog-belt or a heavy-duty roller chain.


Roll Designs Providing Maximum Throughput - the Heart of Roll Crusher Technology

Intermeshing continuous tooth roll designs

Gundlach roll crushers can demonstrate proven results in wet, dry, hot, cold, sticky, hard and abrasive crushing applications. Roll crushers have been successfully applied to size products ranging from run-of-mine material through fine sizing. There are dozens of roll configurations available to meet your crushing needs. Click here to see a sample of the many crusher roll designs available.

Roll Designs for a variety of crusing applications - wet, dry, cold, sticky, hard and abrasive


Roll Adjustment Systems, Enclosed Gearbox, Housing and Lubrication Systems provide Easy Maintenance

The Nitroil® Adjustment and Relief System allows changes in product size while in operation. Engineered for ease of maintenance, the Enclosed Roll Timing Gearbox ensures uniform sizing. Housing and Base Frame allow for easy removal and access. Bulkhead Lubrication Systems group all grease fittings in two convenient locations.

Tramp Relief System Enclosed Gearbox (cover not shown) Housing and Base Frame Lubrication Systems Coupling-Mounted Roll on Roll Removal Rail
Optional Roll Adjustment and Tramp Relief System handles uncrushables Enclosed Gearbox (cover not shown) for positive timing of crusher rolls Housing is split for quick and easy access to rolls for maintenance Lubrication: convenient grease fittings or semi- or fully automatic options Coupling-Mounted Roll on Roll Removal Rails for fast, easy roll changes


Request A Roll Crusher Quote

Tramp Detection and Removal: learn how tramp can be removed quickly and safely without taking down your line or damaging downstream equipment.

Download Gundlach Roll Crusher Brochure - PDF (requires registration)

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