Crushing GR /GR.C are used for crushing soft to medium hard materials, such as limestone, marl, coal, gypsum, sulfur ore, chalk, salt, fertilizer, glass,etc.

Roll crushers are arbitrarily divided into light and heavy duty crushers. The diameters of the light duty crushers vary between 228 and 760 mm with face lengths between 250 and 460 mm. The spring pressure for light duty rolls varies between 1.1 and 5.6 kg/m.

Figure 1: Double roll crusher geometry 2.1.5 Thickness of the RollFigure 1 is the geometry of a double roll crusher with a spherical particle about to enter the crushing zone of a roll crusher and is about to be nipped [4], [5]. For rolls that have equal radii and length, tangents drawn at the point of contact of the particle

DESIGN CONSIDERATION: Roll Crusher Type: Double Roll Crusher Material to be crushed: Bituminous coal, Broken Maximum Feed Size: 2 3/8 in. Distance Between rolls: 1 ½ in. Operating Condition: dry condition Further specifications and design considerations were made along the design process.

2021. 10. 1. · parallel retraction of the fl oating roll, the rocker arms are connected with each other over a torsion shaft. The rotational reaction of the fl oating roll allows an almost

Single roll crushers are used for grain size reduc- tion for products ranging from soft to medium-hard. THE FEED MATERIALS. Coal, coke, salt, slag, marl, 

1) Crusher capacity calculated based on a typical run-of-mine feed material with an average raw density 2.8 t/m³ and max. feed size ≤ 80 % of crusher feed opening. Actual values are depending on feed material characteristics (e.g. hardness UCS, feed particle size distribution, moisture content),

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Sectional drawing of Double Roll Crusher fitted with smooth rolls Capacities, dimensions and weights will vary with the characteristics of each individual material. The details contained within this leaflet are for information purposes only and we reserve the right to change product specifications without prior notice. BJD Crushers Ltd.

DESIGN CONSIDERATION: Roll Crusher Type: Double Roll Crusher Material to be crushed: Bituminous coal, Broken Maximum Feed Size: 2 3/8 in. Distance Between rolls: 1 ½ in.

24C Smooth Roll Crusher. STEELE. SMOOTH ROLL. CRUSHERS. We use the word SMASHING or FLATTENING as being descriptive of the action of a Smooth Roll Crusher.