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Crusher
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated. Crushing is the process of transferring a force amplified by mechanical advantage through a material made of molecules that bond together more strongly, and resist deformation more, than those in the material being crushed do. Crushing devices hold material between two parallel or tangent solid surfaces, and apply sufficient force to bring the surfaces together to generate enough energy within the material being crushed so that its molecules separate from (fracturing), or change alignment in relation to (deformation), each other. The earliest crushers were hand-held stones, where the weight of the stone provided a boost to muscle power, used against a stone anvil. Querns and mortars are types of these crushing devices.
Portable stone crusher machine
Other Series of Crushers
Jaw crusher Machine is always used in the first broken,It’s mouth is big,It can eat big stone in the Stone Production plant begin,So It is the name from .Jaw crusher machine has different types,If you need we Will depend on you Quarry need Setting the most suitable jaw crusher equipment.
Impact crusher Machine Is always used int he second broken,the big stone was broken from jaw crusher machine,then the small stone will transport from the belt conveyor ,then the impact crusher work ,it hit the stone,at last the stone will become different size, it used to the road building, city building..
Cone crusher machine we can called it stronger crusher,May be you will ask why ? because Cone crusher is stronger really，It like eat hard stone , for example,Granite，Basalt… this stone is his love,if you have this stone,you need he,he will help you solve you problem!
CRUSHER (ALAT PEMECAH) - Artikel Bahasa Indonesia
Crusher berfungsi untuk memecahkan batuan alam menjadi ukuran yang lebih kecil sesuai spesifikasi yang dibutuhkan. Selain memisahkan batuan hasil pemecahan dengan menggunakan saringan atau screen. jenis - jenis Crusher terdiri dari beberapa bagian yaitu crusher primer, crusher sekunder, crusher tersier. Setelah batuan diledakan, batuan dimasukan kedalam crusher primer. Hasil dari crusher primer dimasukan kedalam sekunder untuk mendapatkan hasil yang diinginkan. Bila hasil crusher sekunder belum memenuhi spesifikasi yang ditetapkan maka batuan diolah kembali di crusher tersier dan seterusnya. Peralatan penghancur zat padat dibagi atas mesin pemecah (crusher)¸mesin giling (grinder), mesin giling ultrahalus (ultrafine grinder) dan mesin potong (cutting machine) . Mesin pemecah bertugas melakukan kerja berat memecah bongkah bongkah besar menjadi kepingan-kepingan kecil. Mesin pemecah primer digunakan untuk mengerjakan bahan mentah hasil tambang dan dapat menampung segala macam yang keluar dari muka tambang dan memecahkannya menjadi kepingan – kepingan antara 6-10inchi. Mesin pemecah sekunder bertugas untuk memecahkan lagi kepingan-kepingan menjadi partikel yang ukurannya, barangkali 0.25 inchi .Untuk pemecah secara komersil dalam ukuran of masses of solids 1 ft atau lebih, berdiameter sampai dengan 200-mesh, setidaknya akan melalui 3 tahapan berdasarkan tipe mesinnya.
3 stage yang dilalui adalah :
Coarse size reduction ( reduksi ukuran kasar ) : umpan 2-96 in
Intermediate size reduction (reduksi ukuran intermedium) : umpan 1-3 in
Fine size reduction ( reduksi ukuran halus) : umpan 0.25-0.5 in
References :
https://en.wikipedia.org/wiki/Crusher
http://www.sanmechina.com/Working-Principle-of-Stone-Crusher.html
http://antekshared.blogspot.co.id/2014/03/jenis-jenis-crusher-dan-cara-kerjanya.html
http://www.sandmakersale.com/images/solution/portable-stone-crusher-machine1.jpg