If you have arrived at this article, it is because you are wondering whether it is worth buying a briquette machine and after how much you will be able to pay it back. That is why we have studied the case for you and are able to give you the ROI calculation on the purchase of a Mackma briquetting machine
ROI calculation on the purchase of a Mackma briquetting machine
We have calculated for you the Return Operating Invested on the purchase of a Mackma Briquette machine, based on the data in our possession and economic estimates for the year 2021 in Italy.
This calculation gives you an index that indicates approximately how profitable the investment is.
Starting data
Metal turning shavings
220 working days in a year
2 shifts a day
440 shifts each year
7.5 working hours for each shift
450 minutes work/shift
Material Aluminium
24 kg/hour of metal scrap
80,129 kg/year of metal scrap
0.15 Litres/minute of oil
67.5 litres of oil every shift
3.2 €/Lit oil cost
216 €/shift oil cost
95,040 €/year oil cost
The price depends on the contract between the company and the oil supplier.
Discarded oil costs
Let us now compare the oil that is discarded and lost during metal chip processing with and without Mackma briquetting machines.
Without Mackma briquetting machine
14 Litres/shift oil in metal chips
43 €/shift oil in metal chip
-19,008 € /year of lost oil
The part of the oil not present in the chips is partially reused by the producer - this is independent of whether the briquetting machine is used or not. The % of oil in wood chips is estimated to be about 20 % of the total.
With the Mackma briquetting machine
11 Litres/Shift of oil recovered
37 €/shift of oil gained
16,157 €/year of oil gained
Mackma briquetting machine extract more than 80% of the oil in metal scrap
Chips handling times
Let’s now compare the time it takes to move chips out of the plant, with forklift truck, chip unloading and return to the plant.
Without Mackma briquetting machine
4.5 minutes/shift chip handling time
21 €/hour Manpower costs
1.5 €/shift manpower costs for chip handling
-654.5 €/year staff costs for chip handling
With the Mackma briquetting machine
2,1 (MIN/SHIFT)
Time for briquette handling and storage in the plant
21 €/hour Manpower costs
0.7 €/shift manpower costs for chip handling
-323 €/year Manpower for briquette handling and storage in the plant
Chips disposal costs
Let us now compare the costs we have to incur towards an external company for the purchase and disposal of our scrap metal chips
Without Mackma briquetting machine
0.15 €/Kg price to be paid to an external company for the disposal of metal chips
-12,029 €/year price to be paid to an external company for the disposal of metal chips
With the Mackma briquetting machine
3 (N7Min) Briquette production rate
1.215 (n/shift)
Briquette produced
534.600 (n/y)
Briquette produced
0,15 (Kg/briquette)
Weight of single
briquette
80.190 Kg/Y Weight of
briquette
0,37 €/Kg Sales of Aluminum
briquette to a foundry
29.670 €/Y Sales of briquette to a foundry
Total Costs
Let us now sum up and compare expenses and earnings
Without Mackma briquetting machine
Global operative costs related to chips (€/year)
€31.691
With the Mackma briquetting machine
Global operative costs related to chips (€/year)
€3.175
Saving (€/y)
€45.827
Break-even point (years) 0,67 circa
We hope that this article has been useful to you, and that it will help you in your decision to purchase a Mackma briquetting machine. If you have any further questions or require further information, please contact our technical specialists.
