Mining Constru C tion 1 2013 19 Crushing su CCE ss in Kor E a through the ja w cr usher Another e xample is the machine s Quattro Mo v ement w hich produces a fgure8 motion in the machine s mo ving ja w w hich enab les precisel y the right size and shape of the agg re g ates required The perfect sized agg re g ate for W onjin is 600 mm although the actual size produced is on a v erage 400 to 500 mm and the size is changed with a simple adjustment to the g ap setting on the cr usher bo x The machine produces 1 000 1 200 tonnes of agg re g ate in an eighthour shift e a c h d a y T h i s p r o d u c t i o n r a t e a n d t h e f act that K orean contractors typicall y w ork a sixda y w eek enab les W onjin to easil y meet its tar get of 30 000 tonnes per month Operator Doohaeng Heo points out that the 12 mwide con v e y or on the PC 4 also contrib utes to producti vity r ecyling and sustainability Another compan y that has impro v ed its stone cr ushing operations is Samw oo Recon Compan y Ltd Samw oo Recon w as estab lished in 2002 and no w specializes in rec ycling road b uilding and constr uction materials for three lar ge communities in the southeast of the countr y The compan y w anted a mobile cr usher that could be easil y maneuv ered around its lar ge 75 km 2 site as w ell as meet the demands of its sustainability polic y In this case the P o w ercr usher PC 3 impact cr usher w as the ideal choice W ookju Sung Managing Director at Samw oo Recon told MC W e are proud of our sustainab le practices and of our mis sion to pro vide quality rec ycled material to the local communities By rec ycling road and constr uction material the agg re g ates w e produce allo w contractors to reb uild roads using rec ycled material in three of the required four la y ers of the base Sun g e xpl ains that rec ycl ing ma te rial reduces quar r ying costs and that the P o w ercr usher is ab le to produce the perfectl y sized agg re g ate w hich its road constr uction customers re g ard as optimal for effcient road compaction And he also re g ards lo w fuel consumption as a sustainab le practice that pairs w ell with his rec ycling mission It is impor tant to us to sa v e ener gy and ha v e lo w CO 2 emissions he sa ys P o w ered b y a 287 kW engine the cr usher achie v es a production of 150 tonnes per hour and can process as much as 250 th P ar t of this is due to the feed design with its h ydraulicall y adjustab le s wing beam Samw oo Recon pre viousl y used station a r y c r u sh er s an d the s e w i ll re ma in i n o pe ra tion But the P o w ercr usher s ability to mo v e around the site and of fsite if necessar y has made the operation more producti v e as w ell as more effcient Recyling is an important part of our business and this machine helps us meet our goals for sustainability W ookju s ung Managing Director Samwoo Recon R ecycling for sustainability Here the impact crusher P owercrusher PC 3 is used by S amwoo R econ at Chilwon to recycle road construction material into new base stone