Product Quality and its Management...

Product Quality and its Management Product quality is the group of features and characteristics which determines the capacity of the product to meet the specification requirements of a standard or of a customer. It is often defined as ‘the ability to fulfill the customer’s needs and expectations’. It is also sometimes defined as ‘meeting specifications at the lowest possible cost’ as well as ‘delivering the value that a customer derives from a product’. Product quality needs to be defined firstly in terms of parameters or characteristics, which vary from product to product. The quality of the product can be controlled during its manufacturing and it makes the product free from deficiency and defects. A specification is the minimum requirement according to which the producer makes and delivers the product to the customer. In setting specification limits, the following is required to be considered. The user’s and/or customer’s needs Requirements provided for in national and/or international standards Requirements of specifications of national and/or international standards with restrictions to meet specific needs of the customer The competitor’s product specifications, in order to gain marketing advantages Brand related requirements of the product. Requirements relating to product safety and health hazards provided for in the statutory and regulatory requirements As described above, the product quality is the ability to satisfy the stated needs. From this definition, product quality can be described by nine dimensions or characteristics. These nine dimensions are as follows. Performance – It is the product’s primary operating characteristics. Product is to give expected performance during its use. Product features – The product is to meet the requirements of its features. For example a rebar is to have two longitudinal ribs and several cross ribs at specific intervals. Reliability – It is the probability of the...