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4. An assembly chart for a simple gate valve is given in figure 1.1, part list and assembly information for the gate valve and processing information are given in figure 1.2. The following information is also available: a. Casting are manufactured in-house. b. Bar stock, nuts, screws, packaging can be obtained from a local supplier. c. The design engineer specified that body bushing and handle be made of cast bronze and the cap and stem of the valve be machined from standard brass bar stock. d. The following need to be fabricated: the bushing, stem, cap, handle. e. Inspection is required for all fabricated parts prior to delivery to final assembly. Construct an operation process chart, precedence diagram and rout sheets. Body Bushing Assemble stem and bushing to body SA-1 Stem Packing SAI Assemble Cap Cap Handle Assemble Handle Nut Final Inspection Figure 1.1: Assembly Chart Parts Body Bushing Stem Fiber packing Cap Handle Nut Parts List Part No 001 002 003 004 005 006 007 Materia Cast bronze Cast bronze 3/8 in. bar stock (Purchased part) 3/4 in, hex bar stock Cast bronze Purchased part) Part No 001 Operatione 001-1 001-2 001-3 150 Tumba Machine and 002 Beth 002-1 002-2 002-3 Cle 075 0.30 100 003 063-1 and out Actober 012 005 1.20 C Clan 006-1 006-3 006-3 006- 015 0.71 Figure Pressing Assembly Operations Operation Machine No. 1 Final assembly Clean Inspect (pressure test) Pack in boxes 2 Standard time (min/part) 2.00 0.60 1.20 0.12 Bench Solvent tank Water test stand Bench 3 4 Figure 1.2: Part list and assembly operations