... Equipment capacity:3ton,6ton,8ton,12ton,24ton,26ton PLC controller Lead Oxide Ball Mill Making Machine of Battery Equipment a) Model L ... fitted with return screw; course oxide and lead balls can be push back into drum, preventing lead ball from going into bag ... of main motor, ensuring even continuous charging of lead granulate and discharging of oxide.Technical specification: Apparent density: 1.3-1.5g ...