Important Terms to Buy Jaw Crusher
2012-02-06 15:37
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• The size of the opening into the crushing chamber. Two numbers, such as 24X36, commonly describe this. Where the opening between the top of the front and rear jaw plates is 24”, and the width between the side cheek plates would be 36”. The width number is directly related to the production capacity, while both numbers will provide guidance for what the maximum size of rock that can be fed to the crusher. Typically you would not want to feed the crusher rock that is larger than 90% of the maximum opening.
• Nip angle is a function of the depth of the crushing chamber and the curvature of the jaw plates. Typically the smaller the nip angle, the better. Where nip angle can be important is when crushing tough or hard materials, or rounded river rock. If the nip angle is too large then the stones can be pushed upwards. A long chambered jaw crusher usually has a smaller nip angle.
• The discharge opening is the major factor for determining production capacity. The width will remain the same, but opening and closing the discharge setting will affect both the maximum discharge stone as well as the tonnage capacity. The larger the opening the greater the capacity. The discharge setting will be determined by the maximum size rock you want to discharge from the crusher. The maximum size you want discharged will be determined by what the discharged material will be used for. If you want to directly use the discharged material as a final product, then the discharge setting will need to be smaller than the maximum size of the final product. If the discharged material will go on to a secondary crusher, then the discharge setting will need to be set a little smaller than the maximum size rock that can be fed to the secondary crusher.
• It is important to remove all materials that are already sized to the target final product prior to feeding the material to be crushed into the crusher. This will increase the productive capacity of your crushing operation, and reduce the cost per ton for wear items.
• The physical characteristics of the crushing chamber directly influences the crusher capacity, output gradation, and wear life. A longer chamber maximizes the amount of stone-on-stone crushing that occurs while the rock is within the chamber. The design of the manganese wear plates also influences the capacity, gradation, and forces exerted on each introduced rock.
As the professional manufacturer of complete sets of mining machinery, such as cement mill,mobile jaw crusher,China dryer,Symons cone crusher, Henan Hongxing is always doing the best in products and service.
• Nip angle is a function of the depth of the crushing chamber and the curvature of the jaw plates. Typically the smaller the nip angle, the better. Where nip angle can be important is when crushing tough or hard materials, or rounded river rock. If the nip angle is too large then the stones can be pushed upwards. A long chambered jaw crusher usually has a smaller nip angle.
• The discharge opening is the major factor for determining production capacity. The width will remain the same, but opening and closing the discharge setting will affect both the maximum discharge stone as well as the tonnage capacity. The larger the opening the greater the capacity. The discharge setting will be determined by the maximum size rock you want to discharge from the crusher. The maximum size you want discharged will be determined by what the discharged material will be used for. If you want to directly use the discharged material as a final product, then the discharge setting will need to be smaller than the maximum size of the final product. If the discharged material will go on to a secondary crusher, then the discharge setting will need to be set a little smaller than the maximum size rock that can be fed to the secondary crusher.
• It is important to remove all materials that are already sized to the target final product prior to feeding the material to be crushed into the crusher. This will increase the productive capacity of your crushing operation, and reduce the cost per ton for wear items.
• The physical characteristics of the crushing chamber directly influences the crusher capacity, output gradation, and wear life. A longer chamber maximizes the amount of stone-on-stone crushing that occurs while the rock is within the chamber. The design of the manganese wear plates also influences the capacity, gradation, and forces exerted on each introduced rock.
As the professional manufacturer of complete sets of mining machinery, such as cement mill,mobile jaw crusher,China dryer,Symons cone crusher, Henan Hongxing is always doing the best in products and service.
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