Miller Liner Casting for Industrial Cement Miller - MAGOTTEAUX Grinding Liner
Specifications
Gringding Liner1. Top brand Magotteaux
2. Used for general milling machine
3. High performance grinding liner
GRINDING LINER
MONOSTEP®
WHY A LIFTING LINER ?
THE MAGOTTEAUX MONOSTEP® DESIGN
The lifting action of a liner is particularly important:
• It needs to transmit enough energy to the grinding balls to crush coarse particles
• It cannot be too aggressive, otherwise the media charge will impact the liners instead of the material, resulting in: a waste of energy a risk of breakage and high wear rates, both for liners and grinding balls.
The Monostep® is the most common solution for crushing. The design features are:
• Suffi cient lifting action to crush the larger material that cannot be ground in the core of the ball load.
• Continuous lifting action to avoid projecting balls onto shell liners.
• Slight expansion of the material and ball charge.
• Reduced dead zone of the ball charge.
For a given mill, profi le and alloy are selected according to:
• customer’s specifi c requirements
• material to be ground
• grinding circuit type
• ball mill type
• mill diameter
• mill rotation speed
• ball charge characteristics
• ball fi lling degree
• mill drilling pattern
The information and data in this data sheet are accurate to the best of our knowledge. They are intended for general information only. Applications as suggested are described only to help readers make their own assessment.
They are neither guarantees nor to be construed as express or implied warranties of suitability for these or other applications.
TECHNICAL CHARACTERISTICS
The MONOSTEP® is available in three different profi les:
PROFILE A:
The profi le A is the standard solution for all applications, particularly those where the grinding charge already produces fi nes in the fi rst chamber.
PROFILE B:
The profi le B has been designed to compensate for an insuffi cient lifting action.
PROFILE C:
The profi le C has a waved pattern in order to reduce the slipping effect and hence the wear rate of the liners in the presence of highly abrasive material, provided there is no negative effect on grinding effi ciency.
The MONOSTEP® liner can be installed in two ways:
• Bolted.
• Semi-boltless (usually with 2, 3 or 4 bolted rows).
The MONOSTEP® lifting liners are manufactured in two specifi c range of alloys:
• A martensitic steel for applications where more resiliency is required.
• A cast iron with a chromium content
between 11 and 27% and hardness
between 48 and 62 Rc, to avoid
or solve major wear problems.
ADVANTAGES
1. Optimum grinding effi ciency due to adequate lifting action and optimum use of energy.
2. Reduced liner and ball wear rates, due to a continuous lifting action.
3. Reduced maintenance costs.
FIELDS OFAPPLICATION
The MONOSTEP® is used for grinding the following materials: raw materials, clinker, gypsum, anhydrite, slag, coal, white cement...
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