The secondary crusher housing is a rugged, fabricated steel plate construction with heavy external bracing for increased strength and stability. for quick and easy inspection of the internal wear parts, the housing is fitted with large doors which are opened and secured by a special mechanism.Cone crushers are used in secondary and tertiary roles as an alternative to impact crushers when shape is an important requirement, but the proportion of fines produced needs to be minimized. impact crusher. an impact crusher uses mass and velocity to break down feed material. first, the feed material is reduced as it enters the crusher with Ch830. i. cone crusher. on january 1 sandvik mining and rock solutions division crushing and screening became a business area of its own within sandvik group. we are called sandvik rock processing solutions and you’ll find all our products within stationary crushing and screening, mobile crushing and screening and attachment tools breakers The jaw crusher is used for primary crushers and secondary crushers for crushing all kinds of minerals and rocks with comprehensive strength for example, our aimix group portable crusher plants were exported to philippines, pakistan, russia, etc. they worked very well and have got higher praise. aim938f1210 exported to philippines.With their high performance, high reduction ratios and perfect cubical-shaped final products, meka msi and msih series secondary impact crushers are great economical solutions for crushing both soft and hard materials such as, limestone,dolomite and river gravel.Portable impact crusher the impact crushers are based upon more than 40 years of experience with the impact method. we offer a complete range of impact crushers for stationary, semi-mobile fully mobile applications in both primary and secondary crushing.Mar 12, 2013 secondary crusher,secondary crushing plant,clay secondary crusher. seconary crusher in kefid is suitable for most of minerals such as clay. secondary crusher machines are advantaged in mining industry for secondary crushing plant.