General Machining Question:
HI ALL.
MY BOSS JUST GOT A NEW JOB (CAN'T TELL YOU MUCH ABOUT IT) BUT WHAT I CAN TELL YOU IS THAT THE PART REQUIRES A SPIRAL GROOVE/COARSE THREAD. THE RADIUS OF THIS GROOVE IS R4.5MM (OR 9MM DIA.) WITH A 18MM PITCH AND 4.5mm/5mm (APPROX. DEEP). THE MATERIAL IS 300mmx260mm (CS1020) STEEL HOLLOW BAR AND THE LENGTH OF THE THREAD IS APPROX. 500mm LONG. I AM CONSIDERING GRIPPING THIS JOB FROM THE I.D. AND MACHINING COMPLETE (AS THE I.D. DOES NOT HAVE TO BE MACHINED). HOW SHOULD I TACKLE THIS OPERATION? I AM DOING THIS JOB IN A CNC. I'D THOUGHT ID ASK YOU GUYS FIRST AS I KNOW I WOULD RUN INTO PROBLEMS WITH CHATTER WITH SUCH A THIN WALL THICKNESS. HAS ANYONE DONE A JOB LIKE THIS IN THE PAST, I KNOW I NEED TO USE THE TAILSTOCK, BUT WE DON'T HAVE A PIPE CENTER BIG ENOUGH (MIGHT HAVE TO MAKE OUR OWN YET).
ANY HELP WOULD BE BL**DY APPRECIATED. THANKYOU.
P.S. I WILL LET YOU GUYS KNOW HOW I GET ON.
RHINO.
On the other hand, You have different fingers.