1. IELM 215 MANUFACTURING PROCESSES LAB 1 MACHINING PROCESS PLANING EXERCISE 8 th Feb, 2006

2. Outline for Lab1: Process Planning Examples Exercise

3. Importance of process planning Design Result Process Planning Raw material preparation Process selection Process sequencing Machining Parameter selection Tool path Planning Machine selection Tool selection Fixture selection/design Process Planning Raw material preparation Process selection Process sequencing Machining Parameter selection Tool path Planning Machine selection Tool selection Fixture selection/design Production NC Programming Production NC Programming Quality Control Packaging Shipping Main phases of discrete part manufacturing

4. Process Planning Definition Process planning is the function in a manufacturing facility that establishes which processes and parameters are to be used, as well as the machines performing these processes. The act of preparing detailed work instruction to machine or assemble a part or parts. Goal To convert a rough billet to a part in final form as specified in an engineering drawing.

5. Operation Sheet Operation PlanMachine:________Part Name: _______Sheet ____ of _____ Job No.:_______Part No.:________Prepared by:______Issue date:________ Operation Illustration Operation No. Setup No. Operation Description Tool No. Tool Description Cutting Data Remark Cutting speed Spindle speed Feed rate Depth of cut Figure.11Drill 2 holes 15mm Drill706305Thr. hole / …………………………… Documentation of sequence of processes and operations

6. Example 1: Operation Sheet Given this rectangular stock and the product information. 110 70 14

7. Example1: Operation Sheet Part Name: BaseMaterial: Rectangular Stock Operation No.Description of operationMachine 1Saw the stock to get a work piece with 110x70x14. SAW 4Drill 4 holes with diameter 10mm.Drilling 3Milling outside contour.End Milling 2Facing the top surface.End Milling

8. Cutting Operation on Lathe

9. Example 2 Operation Sheet

11. Exercise