Unlikesingle-bladecold-cutsaws,twobladecoldsawusesdouble-sawbladestoperformonlineprofilingalongtheshapeofthepipewall.
Mechanicalsystemadvantages
Twosawbladescanbecutintothewallatthesametimetorealizetheprofilecuttingofthesimulatedtubulartrack,therebygreatlyreducingthespecificationsofthesawblade.