TRI tool 301A, Руководство по эксплуатации

Страница: 21 / 42

19
Model 301 Tube Squaring Machine
92-0630 Rev. 190612
get the tip of the Tool Bit into the bore of the tube.
17. Resharpened Tool Bits will not work as the cutting edge has been moved
away from the center and therefore the cutting edge cannot be positioned in
the bore of the tube.
• Use a taller Tool Bit to minimize the length of the tubing, which is not
supported by the Collet. This will reduce the flexing of the tubing and in turn
provide a cleaner cut with less smearing or burr. Tool Bit (P/N 99-2448) is a
taller Tool Bit, which has extra hook to provide a very low force cutting action.
This Tool Bit allows the tubing to be positioned in the Collet so that only 1/16”.
(1.6 mm) to 1/8” (3.2 mm) is unsupported by the Collet at the cut line.
Tool Bit too far from the Tubing
Taller Tool Bit in Use
Figure: 9. Taller Tool Bit
• Another method is to use a consumable aluminum “pot chuck” made from
approximately 6” (152 mm) lengths of 3/16” (4.8 mm), or 1/4” (6.4 mm)
aluminum rod or tubing. The rod or tubing is then bored and or reamed to
match the OD of the tubing to be squared. A very fine longitudinal slit is cut in
the consumable pot chuck, to allow the Collet to clamp on the product tubing.
The product tubing along with the pot chuck are loaded into the Model 301
and both are squared. The tube is supported and a clean burr free end is
obtained.
Figure: 10. Pot Chuck