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Cost Efficiency of My Spot Welder
Cost Efficiency of MySpot: 1
|
Product
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80 x 160 x 5000 mm
|
|
Total spot welding points
|
50
|
|
Production volume/day
|
30 units
|
| Item |
Rivetting Machine |
MySpot |
| Number of Personnel Required |
3 |
2 |
| Time requested for setting |
3 people x 10 sec x 30 units ï¼ 900 sec
ï¼ 0.25 h x $40 per hour = $10 |
2 people x 5 sec x 30 units ï¼ 300sec
ï¼ 0.08 h x $40 per hour = $3.4 |
| Welding Time |
6 sec per spot x 50 points x 30 units
= 9,000 sec = 150 min.
= 2.5 hours x 3 people x $40 Per hour = $300 |
3 sec per spot x 50 points x 30 units
= 4,500 sec = 75 min.
= 1.25 hours x 3 people x $40 Per hour = $100 |
| Total Cost |
$310 per day |
$103.40 per day |
| Cost efficiency |
$310 - $103.40 = $206.60 x 20 days per month = $4,132 |
Cost Efficiency of MySpot: 2
| Product |
Cabinet Box
500 x 980 x 1880 mm |
| Total spot welding points |
138 |
| Production volume/day |
20 |
| Item |
Conventional Spot Welder |
MySpot |
| Number of personnel required |
3 |
2 |
| Time requesting for setting |
3 people x 10 sec x 3 times x 20 units
ï¼ 1800 sec ï¼ 0.5 h x $40 per hour = $20 |
2 people x 5 sec x 3 times x 20 units
ï¼ 600 sec ï¼ 0.17 h x $40 per hour = $6.8 |
| Welding time |
6 sec per spot x 138 points x 20 units
=16,560 sec = 276 min
= 4.6 hours x 3 people x $40 per hour = $552 |
3 sec per spot x 138 points x 20 units
= 8,280 sec = 2.3 hours x 2 people
x $40 Per hour = $184 |
| Putty Work |
Putty (2kg) = $20
5 min per unit x 20 unit = 100 min = 1.7 hour
1.7 hour x $40 Pre hours = $68 |
not required |
| Grinder finishing |
3 sec Per point x 138 points x 20 units = 8,280 sec
=2.3 hours x 2 people x $40 Per hour = $184 |
not required |
| Control working environment |
Running cost of air purifier 8 hours = $2 per day |
$954 per day |
| Cost Efficiency |
$826 - $190.8 = $635.2 x 20 days per month = $12,704
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