第10节钻削和镗削加工.doc

Exam Questions and Past Papers on the Optimisation of Boring Process Routes Duration: 120 minutes Total marks: 100 marks Section 1: Multiple-choice questions (10 questions in total, 2 marks per question, total 20 marks) 1. In boring operations, which of the following tool materials is most suitable for machining aluminium alloys? A

Boring is an important machining method widely used in machining. It can not only bore a single hole, but also boring hole systems, grooves, flat surfaces and so on. Due to the surface shape and external dimensions of the workpiece are different, so the processing methods used in boring are not the same.