针式打印机字车失效机理分析及测试

Failure Principle Analysis and Metrology of Carriage for Pin Printers

分析了针式打印机的字车故障，阐述故障范围的判断及测试方法，讨论故障原因和其失效机理，为正确地维护、使用针式打印机提供借鉴。

his paper analyses trouble of carriage for pin printers. It introduces judge of trouble scope and metrology method, discusses the cause of trouble and failure principle. It is used for reference of safeguarding and using pin printers correctly.