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Sep 28, 2020
In the sand production line, in addition to equipment such as crushers and sand making machines, other auxiliary equipment is also needed to improve the production efficiency of machine-made sand, such as vibrating feeders, vibrating screens, belt conveyors, etc. Among them, vibrating screen for mining is an essential auxiliary equipment. Advantage 1. With advanced structural design and prod...
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Jul 20, 2020
Size control is the process of separating bulk material into two or more products on basis of their size. In mineral processing practices, two methods dominating size control processes are: screening and classification. As shown in the following figure, while screening uses a geometrical pattern for size control, classification uses behavior of particle’s (finer than 1 mm) motion in air or liquids...
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Jul 15, 2020
Vibrating screens consist mainly of: screen body (vibrating basket / live frame), vibrator assembly (vibrating unit), screening media, supporting frame and drive unit. Above figure shows components of a typical vibrating screen. Screen Body The side plates of screen body are reinforced with plates and angles or channels. The side plates are connected to each other by the screen deck (bucker-up-fra...
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Jul 13, 2020
Oil Lubrication Manufacturers will design grease lubrication systems because it simplifies sealing, making it the most economical choice. In addition, the grease acts as an additional barrier against contamination. However, grease is not suitable for all applications due to its inability to operate at higher speeds. Oil Lubrication allows the bearing to operate at higher speeds, dissipates heat qu...
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Jul 09, 2020
China vibrating screen manufactruer bring you to know vibrating screen principle and performance factors Basic Terms Stratification This phenomenon occurs as vibration is passed through a bed of material. The vibration of the machine sifts the material bed so that finer material passes through the coarser material. This enables particles smaller than the mesh of the screen to pass through it. Bed ...
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Jul 08, 2020
Proper screen tension is crucial for effective screening and longer screen life. Proper screen tension helps spread material across the full width of the screen. Uniform tension must be also maintained on the screen surface to prevent whipping and to maintain contact between the screen surface and the capping rubber (also called channel rubber, bucker-up rubber, etc.) on the longitudinal support (...
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Jul 07, 2020
Banana (Multi-slope) screens have become widely used in high-tonnage sizing applications where both efficiency and capacity are important. Banana screens typically have a variable slope of around 24°-45° at the feed end of the screen, reducing to around 0°-8° at the discharge end of the screen. Banana screens are usually designed with a linear motion/stroke vibrator. Stage 1: High velocity The fee...
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Jul 02, 2020
Installation The supporting steel structures on which the screen and drive motor are mounted must be sufficiently strong and braced to accept without deflection the dynamic loads caused by the vibration of the screen. Adequate clearances must be allowed between the screen and the fixed structure, chutes etc., to allow enough space because the movement of the screen is large in the so-called resona...
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Jul 01, 2020
The main obstacles to efficient screening are plugging/pegging, blinding and carryover. Each can be minimized with a variety of solutions. Plugging/pegging happens when near-size particles become lodged/wedged, blocking the openings. Generally, if loose particles/rocks (“Carrots” Shape) get stuck in the media holes it is called plugging whereas if particles get jammed in the openings, it is called...
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Jul 01, 2020
Size control is the process of separating bulk material into two or more products on basis of their size. In mineral processing practices, two methods dominating size control processes are: screening and classification. As shown in the following figure, while screening uses a geometrical pattern for size control, classification uses behavior of particle’s (finer than 1 mm) motion in air or liquids...
view more
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