A UD. Ergonomic Chairs engaged in the used wood craft industryin the form of making chairs, wanting to know the efficiency ofmaking these chairs. In the manufacturing process the operatorworks for 8 hours / day. While the amount of production is 30 seats/ day. The settlement operations are as follows:
Operation | Description | Preliminary Operation | Time (minutes) |
1 | Measure wood for the legs | - | 2 |
2 | Cut wood according to size | 1 | 3 |
3 | Smooth the cut wood | 2 | 4 |
4 | Measure wood for the holder | - | 3 |
5 | Cut according to the size of the holder | 4 | 4 |
6 | Smooth the cut off holder | 5 | 4 |
7 | Assemble the stand with the legs | 3,6 | 5 |
8 | Provide the backrest for the assembly | 7 | 6 |
9 | Painting | 8 | 7 |
10 | Drying | 9 | 10 |
From the data above, determine the preliminary diagram, cycletime, work station, work station efficiency and trajectoryefficiency of making the chair using the Kilbridge-Wester Heuristicmethod and Ranked Positional Weight (RPW).
