Example of product quality assessment

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Maksudasm
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Joined: Thu Jan 02, 2025 6:44 am

Example of product quality assessment

Post by Maksudasm »

Let us analyze the integrated technical and economic indicator of the quality level of new production equipment compared to the reference model. The main goal is to evaluate both models taking into account their operating parameters and costs.

Quality indicator The value of the equipment under study The importance of reference equipment
Annual productivity with continuous operation, number of parts 35,000 30,000
Duration of downtime due to failures, hours. 3 5
Cost of equipment, rub. 300,000 250,000
Annual repair costs, RUB. 5,000 5,000
Other annual operating costs, RUB. 50,000 30,000
We calculate the annual useful effect from using the equipment taking into account the downtime due to failures. In other words, we determine the number of parts produced by each machine per year. For the equipment under study: W = 35,000 * (1 – 0.03) = 33.95 thousand parts. For the base machine: W = 30,000 * (1 – 0.05) = 28.5 thousand parts.

After this, we calculate the austria email list integral indicators of product quality. For this, the following formula is used:

Qin = W / Ks + Ze

where W is the total useful effect from use; Кс is the cost of the machines; Зэ is the operating costs. The integral indicator of the equipment under study: Qин = 33.95 / (300 + 55) = 0.095 thousand parts/rubles. The same parameter for the reference machine is: Qин = 28.5 / (250 + 35) = 0.1 thousand parts/rubles.

Now let's evaluate the quality level of the equipment under study in comparison with the reference: Уин = 0.095/0.1 = 0.95

The improved version of the machine has higher performance characteristics. This makes it possible to produce more parts per unit of time, but the price of the equipment and the costs of repair and maintenance of such a machine will be higher. Therefore, the standard version is more profitable for the company.


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