1. Calculation of takt time, determination of the minimum number of workstations, and manpower. 2. Cycle time...
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Question:
1. Calculation of takt time, determination of the minimum number of workstations, and manpower.
2. Cycle time study at each work-station and categorizing it into value-added and non-value added activities.
3. Re-allocate tasks and balance workstations.
4. Standardize and maintain the workstations, reduce the cycle time to be less than the takt time as an improvement.
Monthly demand: 3000 ordered per month
(Shifts: 3) Main Industry Work Plan:
- 27 working days a month. - All production units work 3 shifts. - Each shift is 8 hours. There are two 15-minute breaks in the shifts and one 30-minute meal break.
Operation | number of equip | CT per part | ct/ sec | CT (min) | unit/hr | CO | Shifts | performance | Availability | Quality | OEE |
1- Milling | 1 | 300 | 300 | 5 | 12.00 | 3 | 57.00% | 83.00% | 50.00% | 23.66% | |
2- Milling 2 | 4 | 211.2 | 844.8 | 14.08 | 1.07 | 3 | 80.00% | 90.00% | 70.00% | 50.40% | |
3- Leveling | 3 | 139.2 | 417.6 | 6.96 | 2.87 | 3 | |||||
4- Heat Treatment | 1 | 288 | 288 | 4.8 | 12.50 | 3 | 85.00% | 95.00% | 85.00% | 68.64% | |
5- Quality Control | 1 | 60 | 60 | 1 | 60.00 | 3 | |||||
6- Honing | 1 | 654 | 654 | 10.9 | 5.50 | 30 min | 3 | 85.00% | 81.00% | 69.00% | 47.50% |
7- Temper Furnace | 1 | 83.4 | 83.4 | 1.39 | 43.17 | 3 | 85.00% | 85.00% | 80.00% | 57.80% | |
8- Sandblasting | 1 | 139.2 | 139.2 | 2.32 | 25.86 | 3 | |||||
9- Coating | 1 | 87 | 87 | 1.45 | 41.38 | 3 | |||||
10- 'H'Embrittlement Furnace | 1 | 166.8 | 166.8 | 2.78 | 21.58 | 3 | 72.00% | 95.00% | 95.00% | 54.72% | |
11- Quality Control 2 | 1 | 363 | 363 | 6.05 | 9.92 | 3 | |||||
12- Delivery to Warehouse | 2 | 150 | 300 | 5 | 6.00 | 3 |
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