Общий каталог Tungaloy 2020 - 2021 - страница 1253

H OW TO MOUNT THE TIDC DRILL BODY INTO THE CHAMFER ADAPTOR

The overhang length of the drill can be changed by the adjusting screw B at the bottom of the adaptor. The rear end of the drill body must be in contact with the adjusting screw as the screw supports the drill against thrust force when drilling.

ᆱ Adjust the

overhang length C

with screw

ᆰ Insert the drill body into Clamping screw of

chamfering adaptor TIDC drill body

Flat D

E

ᆳ Clamp the chamfer

inserts Overhang adjusting

ᆰ Place the TIDC drill body into the chamfer adaptor without chamfer adaptor, chamfer inserts must be unclamped. G

inserts. The overhang adjusting screw can be handled ᆱ Adjust the overhang length of the drill body with the adjusting screw at from the top of the adaptor with flat blade screwdriver. In this way, the overhang length the bottom of the adaptor.

of the drill body can be adjusted after the ᆲ Adjust the position of the drill body so that the drill body is fixed at the flat adaptor is positioned on the drill shank. and tighten the clamping screw of the drill body. This aligns the flutes of H the TIDC drill body with the chamfer inserts. ᆳ To clamp the chamfer inserts, tighten the clamping screw of the insert while pushing the insert into the insert pocket.

I

PARTS

ᆰ ᆱ ᆲ ᆳ

ᆰ Drill a pilot hole in the depth of 0.5 x D. The same head diameter should be used for a pilot hole L and a deep hole. ᆱ Rotate the drill at a low speed, such as 100 min-1, and

feed it slowly into the pilot hole until the drill reaches several millimeters from the bottom. ᆲ Supply the coolant and rotate the drill at the recommended speed. M ᆳ Drill the required depth under the recommended cutting conditions. Note: In case of making L/D= 8 & 12 depth hole without a pilot hole, DMC type head should be used.