Ask
Login
0
2.5kviews
Write a part program using G and M code for machining external contour and drilling hole at the centre as shown in the figure . All dimensions are in mm.
written 9.3 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
production process
ADD COMMENT EDIT
1 Answer
0
65views
written 9.3 years ago by gravatar for teamques10 teamques10 ★ 70k

enter image description here

Operation No. Operation Desc. Tool Desc. Tool No. Spindle speed Feed rate
1. Centre Drilling H.S.S drill of diameter 15mm 01 700rpm 70mm/min
2. Profile Milling End mill cutter of diameter 20mm 02 600rpm Vertical=240mm/min Horizontal =480mm/min

Speed Calculation:

Drilling:

Spindle Speed $N = \frac{1000 v}{π D} \hspace{1cm} ; v=30m/min …

Create a free account to keep reading this post.

and 2 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.