In depth Components of a Jaw Crusher PROPEL 3 Jaw Plate The inward facing side of the jaw crusher pitman is covered with a jaw plate made of manganese which is an extremely hard metal The jaw plates are usually symmetrical from top to
·• Excellent for jaw crusher liners cone crusher bowl liners and mantles Alloy 14HN / 14L chrome bearing manganese • Less susceptible to cold flow • Parts of light to heavy section thickness for heavy duty applications • Used in large gyratory crusher mantles concaves cone and jaw crusher parts as well as in impact
A crusher blow bar is used in horizontal shaft crushers and is mounted on top of the rotor stacked in groups of 3 or 4 pieces Once the machine starts the material comes in contact with the bar and is immediately crushed The use of manganese blow bars with an innovative insert has been proven to increase service life by up to 100%
3 ·Manganese is an essential component of steel making process because it improves certain properties that steel by itself doesn´t have To name a few Manganese allows to avoid a phenomenon called hot shortness which causes a surface cracking process at high temperatures it has an important ability to combine with Sulphur an unwanted element in
·The 18% manganese liners used prior to the trials lasted for a maximum of 12 weeks 16 800 tonnes through crusher The first trial liners using hardfacing lasted 38 weeks 53 200 tonnes through crusher providing 216% extra life As this proved such a success it was decided correctly that a lower cost manganese could be used
·There are three grades of manganese steel for casting crusher wear parts 18% Manganese Used as standard on all jaw crushers covering the majority of quarry and recycling applications It has an initial hardness of around 230 BHN Brinell Hardness and can work hard during operation to 400 BHN 14% and 22% manganese are also available as
·In both cases the crusher liner materials were manganese steels According to these studies the wear system in a cone crusher is three body abrasive wear where many external load directions and variable loads exist 9980 and 2218 and manganese steel Hadac were used as matrix materials Their nominal composition is presented in Table 1
·The abrasion wear of the austenitic manganese steels with 12% Mn and 20% Mn was evaluated via jaw crusher tests The abrasive mass gravel used per test was 100 kg and mm of mean sized particles The wear characterization was carried out with the evaluation of mass loss hardness profile worn surface roughness and wear micromechanisms
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