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Another cause of failure is a faulty air filter. The air filters on today's drives equalize the atmospheric pressure and moisture between the drive enclosure and its outside environment. If the filter fails to capture a dust particle, the particle can land on the platter, causing a head crash if the head happens to sweep over it.
A casting defect is an undesired irregularity in a metal casting process. Some defects can be tolerated while others can be repaired, otherwise they must be eliminated. They are broken down into five main categories: gas porosity, shrinkage defects, mould material defects, pouring metal defects, and metallurgical defects.
Rework is practiced in many kinds of manufacturing when defective products are found. [2] For electronics, defects may include: Poor solder joints because of faulty assembly or thermal cycling. Solder bridges—unwanted drops of solder that connect points that should be isolated from each other. Faulty components.
Joe Raedle/Getty Images You may have heard that a massive series of automotive recalls are underway to replace air bags made by big auto-industry supplier Takata. The U.S. Department of ...
[citation needed] Packaging, as the barrier between electronic parts and the environment, is very susceptible to environmental factors. Thermal expansion produces mechanical stresses that may cause material fatigue, especially when the thermal expansion coefficients of the materials are different. Humidity and aggressive chemicals can cause ...
A spare part, spare, service part, repair part, or replacement part, is an interchangeable part that is kept in an inventory and used for the repair or refurbishment of defective equipment/units. Spare parts are an important feature of logistics engineering and supply chain management , often comprising dedicated spare parts management systems.
The parent company of Chrysler and Dodge is recalling a total of 318,000 vehicles over air bag parts that can potentially shatter and cause injury. Chrysler and Dodge parent recalling 318,000 ...
The field of law that addresses injuries caused by defective products is called product liability. A wide range of circumstances can render a product defective. The product may have a design defect or design flaw , resulting from the product having been poorly designed or tested , so that the design itself yields a product that can not perform ...