Skip to content CATEGORY: BORING MACHINES Home » Manufacturing Machines » JIG BORING MACHINE: PARTS, WORKING, TYPES, OPERATIONS In this post, you’ll learn what is Jig Boring Machine . With Its Working Principle, Parts, Types, Operations, and Applications of jig Boring Machine . Jig Boring Machine The jig boring is the most accurate machine of all machine tools. This was first developed in the year 1910 in Switzerland and used as a locating machine. Jig boring machine is used for the production of jigs, fixtures , tools, and other parts. That requires a high degree of accuracy. They are defined by terms of highest accuracy through rigidity, low thermal expansion, and precise means of measuring distance for locating and spacing holes. Jig Boring Machine The machining accuracy is high, within a range of 0.0025 mm. A jig boring machine looks like a vertical milling machine . But so far its operation and accuracy are concerned that...