ROI calculation on the purchase of a briquetting machine

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

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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

BRIQUETTING MACHINEROI CALCULATION

Metal turning shavings

TORNARE OPERAZIONE DI LAVORAZIONE DEL METALLO

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.

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