For sale use of Hole Saws use fhe correct rotation speed.The correct speed for each size is given in the table£® For longer saw Iife and lower operating costs£®the following recommendations need to be ob-served. 1. Use the correct arbor for the size saw to the used£® 2£®Use pin-type arbor for Hole Saws larger Than ¦µ32 . When mounting,lift up fhe disc with the pins and then screw the arbor down into the hole saw as far as it will go£®Fit the drive pins into the pin holes in the hole saw by turn-ing the hole save backwards Push the pins in. Check that they are securely Iocked£® 3 . Check regularly to make sure fhe drive pins are in the right position£® 4£®Check that the arbor shank is securely inserted in the chuck on the drive unit Tighten with chuck key£® 5£®Cutting oil should be used when sawing Steel. Do not use cutting oil when sawing cast Iron. The cutting pressure should£¬however£¬be high so that each tooth cuts deep. Paraffin can be used when sawing aluminum 6£®Use the correct rotation speed!Too high or too Iow a speed will decrease the life of the cutting edge£® 7 lf lhe hole saw vibrates during sawing£¬the teeth may become damaged and break. The result is often a rough£®imperfect hole£® 8£®Apply the Hole Saw perpendicular to the work piece. If the Hole Saw is titled, this will cause uneven loading and abnormal wear on both the saw teeth and the grilling machine£®Moreover, the dimensional accuracy of the Hole saw can be affected£® 9. Clear away chips and slugs frequently Inorder to prevent overheating£® |
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