MFG240_Design Project 18.doc

Document the recommended speed feed depth of cut and

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Document the recommended speed, feed, depth of cut, and cutting time for each tool. a. A print dimensioning the individual part features produced by each tool with identified locating and clamping surfaces. b. A complete assembly of each tool, with all required purchase information shown in the stock list, including: the tool holder part number, insert part number, insert grade selected, etc…. c. A print showing the concept design of the workholding device for each process that requires a special designed workholding device. Machining Equipment Specifications – Select the actual machines required to produce the parts including manufacture and model number. Make sure the machines can meet the required horsepower, federates, and spindle speeds to make the cuts. Investigate the standard work holding device, turret and spindle supplied with the machine and make sure the selected tooling will mate appropriately. Consider the following factors: tool change time, MCU manufacturer, machine work envelope, machine footprint, cost, HP, etc…. Also specify the required chip removal system. Include any sales information you deem helpful on why you made your choice. Material Handling, Containerization and Scheduling Plan – Specify the required material handling equipment and containerization to process the part from, delivery to the cell, to delivery to the customer. Include all material handling on the layout and allocate floor space for any inventory required. Quality Plan – Identify and concept all quality checks, gauges, and error proofing required. Include any specified gauging stations on the layout. Safety and Ergonomic Plan – Identify any safety and ergonomic considerations taken into account when designing the manufacturing cell. Operator Sequence of Operations and Operator Balance Chart – Once the above items begin to take shape, the team must develop a staffing plan for the manufacturing cell. It is very possible that one operator will run multiple pieces of equipment. Therefore, a step-by-step plan must be developed for each manufacturing job. Estimate the time required for each step in the process the operator must perform. Develop the operator sequence of operations chart to determine if the operator can produce parts at the required rate. When the staffing plan is complete use a graph to compare the work content, in time, for each operator against the design cycle time for the line. The line should be balanced without any operator time above or well below the design cycle time of the line.
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