Routing Sequence Quantity per day Weight (lbs) Total Weight Relative importance

1 R,A,C,B,S 1000 1

2 R,D,C,A,B,S 1000 4

3 R,B,A,C,S 1000 3

4 R,C,B,S 1000 2

a. What is the relative importance of each part. 

b. Create a string diagram for these parts. What is the overall efficiency for these 4 parts? 

c. Create a multicolumn process chart for these parts. What is the overall efficiency for these 4 parts?

d. Create a From-To chart for these four parts in this process. What is the efficiency? 

e. Create an OPERTIONS CHART from this data. Follow the example on page 127.

Two components are fabricated, assembled and packaged

Part 1 – One fabrication step

Op 25 = Roll Form 375 pcs/hr

Part 2 - Three Fabrications steps

Op 5 = Strip shear 2225 pcs/hr

Op 10 = Chop 1220 pcs/hr

OP 15 = Form 629 pcs/hr

Assemble Part 1 and Part 2 = Operation 55 at 120 pcs/hr

Packout = 120 pieces per hour

Be sure to calculate total hours per assembly.