impact crusher

impact crusher

[′im‚pakt ‚krəsh·ər]
(mechanical engineering)
A machine for crushing large chunks of solid materials by sharp blows imposed by rotating hammers, or steel plates or bars; some crushers accept lumps as large as 28 inches (about 70 centimeters) in diameter, reducing them to ¼ inch (6 millimeters) and smaller.
References in periodicals archive ?
Tenders are invited for Procurement of beater head for 1500tph capacity impact crusher in chp 3x660mw, Ktps.
Following fully hybrid H4 cone crushers and B4e jaw crushers, the company is now introducing the R5e hybrid impact crusher unit, designed to guarantee full capacity at low consumption costs with the aid of a directly driven 350-tph crusher and electrical transport and screen components.
The Cobra 230 impact crusher has been designed to handle construction, demolition, asphalt recycling, quarrying, and contract crushing applications.
The Powerscreen crushing machine offers different applications: the jaw, cone and impact crusher.
A paper presented at the International Comminution and Classification Congress 2015 (ICCC 2015) held in San Luis Potosi, Mexico, in August, titled Breaking down comminution barriers--new dimensions of particle size reduction and liberation by VeRo Liberator, describes the technology employed by a new type of impact crusher that is claimed to offer dramatic improvements in particle size reduction ratios along with lower energy requirements.
After the screening stage, minus 50-mm material (approximately 95% of the main infeed) in size is fed straight to the main output conveyor feeding the loading vessel, while between 150 and 250 mtph of the 50-to 300-mm coal (between 5% and 8% of the main infeed) is conveyed to an impact crusher.
Two tenders for the supply of (a) two cone crushers, also (b) one Jaw crusher & one impact crusher.
The conclusion was made that in order to increase the resistance of aggregate a third impact crusher should be installed to crush additionally 20-mm particles retained on screen.
The final chapter of the paper considers various real-life scenarios of rolling bearing vibration monitoring, including detailed studies of a 250kW electric motor; an impact crusher drive shaft; a 2MW generator on a test bed; a vertical impact crusher; and the gearbox of a wind turbine.
The order comprises a complete crushing and screening system consisting of two primary crushers, a secondary cone crusher, two tertiary cone crushers and an impact crusher for fine crushing.
The first of these crusher trains comprises an Extec E-7 pre-screen feeding a Fintec 1440 track-mounted mobile impact crusher that in turn feeds an Extec S-5 screen producing three product fractions.
The company was also honored with the Roads & Bridges Contractors Choice award winning the Gold Award in the Crushing Plants Division for its entry, the 4043T Impact Crusher.