This is an assignment on Group Technology for CAM subject

1. GTU-GECBHAV-7M-CAM-EX-5-GT
Prepared by: Prof. (Dr.) J.B. Valaki, Mechanical Engg. Dept., GEC, Bhavnagar
Assignment for Exercise-5: Group Technology
Problem-1: Assign the suitable form codes to the following part using OPITZ system.
Also give justification of assigning each digit.
Problem-2: Assign the suitable form codes to the following part using OPITZ system.
Also give justification of assigning each digit.

2. GTU-GECBHAV-7M-CAM-EX-5-GT
Prepared by: Prof. (Dr.) J.B. Valaki, Mechanical Engg. Dept., GEC, Bhavnagar
Problem-3: Assign the suitable form and supplementary codes of the following part using
OPITZ system. Also give justification of assigning each digit.
Part name: Pin
Material: Mild steel forged round part
Treatment: Surface hardening by carburising
Machining: Turning on surface and drilling on hole
Problem-4: Apply rank order clustering technique to form groups of part- machine clustering
for a shop floor arrangement. The part machine incidence matrix is as shown in below table.
Parts (i)
Machines(j) A B C D E F G H I
1 1 1 1
2 1 1
3 1 1 1
4 1 1
5 1 1
6 1 1
7 1 1 1

3. GTU-GECBHAV-7M-CAM-EX-5-GT
Prepared by: Prof. (Dr.) J.B. Valaki, Mechanical Engg. Dept., GEC, Bhavnagar

4. GTU-GECBHAV-7M-CAM-EX-5-GT
Prepared by: Prof. (Dr.) J.B. Valaki, Mechanical Engg. Dept., GEC, Bhavnagar

5. GTU-GECBHAV-7M-CAM-EX-5-GT
Prepared by: Prof. (Dr.) J.B. Valaki, Mechanical Engg. Dept., GEC, Bhavnagar