... ,India,Pakistan,Sri Lanka,Brazil Our PE Foam Saw Machine owns many features: 1) It is ... machine frame, guide rail frame, platform, blade drive system, blade tension device, blade sharpening sand wheel, etc. 2) The ... plate. That is for adjustment of the grinding blade angle. All protection covers on the machine are ... in the middle.8) When you exchange the blade, you may loosen the connection pin. In the ...