Question

3. The accompanying illustration shows a cast-steel valve body (left) that is machined to the shape shown on the right. Identify the surfaces that are to be machined. What type of machine tool (Lathe, Drilling Machine, ... etc.) would be suitable to machine this part? What type of machining operations are involved and what is the sequence of these operations (try to present your answer using clear sketches). 20mm -200mm-- Casting After machining

Answer 1

চন Boning hele B Reming hole Drilling boning to Reemning Tচ Borig feavng and hole for depts घ Simfice heaming छब ाप्टप निमsर haping Borig Shoping Reaning (3 O hole Reaming by tapping Interndl Thieod Shapling f he aueface ১ ab fordepth