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1农机产品质量(1)农机产品的质量特性。农机产品质量,就是指农机产品能否满足人们生产需要所具备的那些特性。农机产品质量的好坏优劣,其主要的质量特性有以下几个方面。一是物质方面,如材料的物理性能、化学成分。二是操作方面,如操作方便、运行可靠、安全等。三是结构方面,如便于拆装,易于维修保养、简单轻便、具有互换性、零部件通用等。四是时间方面,如经久耐用等。五是经济方面,如工作效率高、制造成本低、使用费用(耗油、耗电)低等。六是外观方面,如美观大方、油漆质量及包装质量等。由于产品不同、用途不同,便有不同的质量特性。
1 agricultural machinery product quality (1) quality characteristics of agricultural machinery products. Agricultural machinery product quality, refers to the agricultural products can meet the needs of people who have those characteristics. Agricultural product quality is good or bad, its main quality characteristics are the following aspects. First, material aspects, such as the physical properties of materials, chemical composition. Second, the operation, such as easy operation, reliable operation, safety and so on. Third, structural aspects, such as easy disassembly, easy maintenance, simple and lightweight, interchangeable, common parts and so on. Fourth, the time, such as durability and so on. Fifth, the economy, such as high efficiency, low manufacturing costs, the use of costs (fuel consumption, power consumption) low. Sixth, the appearance, such as nice, paint quality and packaging quality. Due to different products, different uses, they have different quality characteristics.