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EN
One of the requirements of the process approach is to identify the methods and evaluation criteria for process measurement. Efficiency described as the ability to achieve planned results with respect to consumed resources may be a measure used for evaluation of processes. The article presents a few concepts of efficiency indicators that can be used in assessing the activities carried out within the framework of the implementation of new projects, according to standards of automotive industry. These standards are: APQP (Advanced Product Quality Planning) and its integral part, used in the final stage of validation of the product and process, known as PPAP (Production Part Approval Process). The paper proposes three concepts of indicators assessing the efficiency of the above-described process and one concept of calculating the efficiency indicator based on the Taguchis loss function.
EN
It is a common knowledge, that quality of a manufactured product highly depends on quality of its components. This especially might be a problem, if a component comes from external supplier, whose processes are normally beyond our control. The paper addresses a procedure called PPAP (Production Part Approval Process abbreviation known from Ford, Chrysler, General Motors manuals, issued by AIAG) which has been widely used in automotive industry to assure good quality deliveries from suppliers, beginning from early stage of cooperation, before start of production. PPAP requirements are shown as a way customer and supplier agrees upon not only product quality, but also upon manufacturing process, which must meet specified standards, set by customer (e.g. documentation, records, capability, stability, confidence in measurements etc.). The paper includes authors' assessment of resources necessary for a supplier to provide in order to meet customer's PPAP requirements. Also, reasons and perspectives of PPAP development are discussed, basing on documents proving PPAP - like practices noticeable in industries having little or nothing in common with automotive industry. In conclusion, PPAP is presented as a procedure imposed on suppliers by customers, who, being well aware of weaknesses of certified Quality Management Systems with respect to management of preventive actions in supplier's manufacturing processes, needs a strong proof that a supplier effectively introduced relevant preventive actions to a manufacturing process before it starts production of goods for a customer.
3
Content available remote Wykorzystanie dynamicznego planu kontroli w procesie produkcji
PL
Realizacja kontroli procesu produkcyjnego jest jednym z najbardziej istotnych elementów umożliwiających przedsiębiorstwom produkcyjnym spełnienie i utrzymywanie wymagań jakościowych produkowanych wyrobów, jakie narzucają na nie odbiorcy wytwarzanych elementów. Zachowanie odpowiedniego poziomu jakości wyrobów gotowych ma bardzo duże znaczenie szczególnie w branży motoryzacyjnej z tego względu, że istnieje wielu podwykonawców części wykorzystywanych w produkcji samochodów. Skomplikowane powiązania biznesowe w branży motoryzacyjnej powodują wzajemne przecinanie się poszczególnych łańcuchów dostaw, co ostatecznie utrudnia poprawne zidentyfikowanie całej sieci dostaw. Przykładem metody wykorzystywanej przez podwykonawców producentów części samochodowych w ramach kontroli procesu produkcji wyrobów jest dynamiczny plan kontroli (DCP).
EN
Implementation of process control is one of the most important elements which allow manufacturing business to meet and maintain quality requirements for manufactured products, imposed by recipient of generated elements. The appropriate degree of quality of finished products is very important especially in the automotive industry, therefore, that there are many subcomponents used in production of cars. Inextricable links in the automotive business cause the mutual intersection of the various supply chains, which ultimately makes it difficult to correctly identify the entire supply network. Very often suppliers send their products to manufacturers of various brands of vehicles, and thus cooperate with different suppliers and customers. Consequently, vehicle manufacturers impose on all subcontractors with whom they work, ways and methods to carry out precise process control products. An example of the method used by automotive parts manufacturers in the production process control is the Dynamic Control Plan (DCP).
PL
Omówiono budowę i sposób wytwarzania gazoszczelnych ścian rurowych. Przedstawiono wymagania jakościowe dla procesów wytwarzania i kontroli. Szczegółowo omówiono proces spawania oraz zasady kwalifikowania technologii spawania. Podano wymagania dotyczące uprawnień spawaczy i operatorów urządzeń spawalniczych oraz kwalifikacji personelu badań nieniszczących. Przedstawiono przykładowy plan kontroli jakości dla wytwarzania gazoszczelnych ścian rurowych.
EN
The paper describes the structure and directions for production of gas-tight pipes walls. Quality requirements for fabrication and inspection processes are given. The welding process and qualification of welding procedure are discussed in detail. The requirements for welders and operators of welding equipment qualifications as well as qualification of non-destructive personnel are explained. The example of the quality control plan for production of gas-tight pipes walls is presented.
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