... arm loading machine, KSR711 arm stacking machine, the first machine is 6 rows boring, the second one is four rows boring, it ... processing.Technology plan:Technical data:host 6 rows in the front drill, and 4 rows in the back drill processing dimensions800*2400mmspeed8times/minNo. of ... machine8200*4600*1700 2012 row drilling line KB407/6 rows in the front drill, and 4 rows in the back drill