A1262292116pFrjV - PowerPoint PPT Presentation

Title: A1262292116pFrjV


1
IELM 215 MANUFACTURING PROCESSES
LAB 1 MACHINING PROCESS PLANING EXERCISE 8th
Feb, 2006
2
Outline for Lab1

• Process Planning
• Examples
• Exercise

3
Importance of process planning

• 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

Quality Control
Design Result
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

• Documentation of sequence of processes and
  operations

Operation Plan Operation Plan Machine________ Machine________ Machine________ Part Name _______ Part Name _______ Part Name _______ Sheet ____ of _____ Sheet ____ of _____ Sheet ____ of _____ Sheet ____ of _____
Job No._______ Job No._______ Part No.________ Part No.________ Part No.________ Prepared by______ Prepared by______ Prepared by______ Issue date________ Issue date________ Issue date________ Issue date________
Operation Illustration Operation No. Setup No. Operation Description Tool No. Tool Description Cutting Data Cutting Data Cutting Data Cutting Data Cutting Data Remark
Operation Illustration Operation No. Setup No. Operation Description Tool No. Tool Description Cutting speed Spindle speed Spindle speed Feed rate Depth of cut Remark
Figure. 1 1 Drill 2 holes 1 5mm Drill 70 630 630 5 Thr. hole /

6
Example 1 Operation Sheet
Given this rectangular stock and the product
information.
7
Example1 Operation Sheet
Part Name Base Part Name Base Material Rectangular Stock Material Rectangular Stock
Operation No. Description of operation Description of operation Machine
1 Saw the stock to get a work piece with 110x70x14. Saw the stock to get a work piece with 110x70x14. SAW
2 Facing the top surface. End Milling
3 Milling outside contour. End Milling
4 Drill 4 holes with diameter 10mm. Drilling
8
Cutting Operation on Lathe
9
Example 2 Operation Sheet
10
Example 2 Operation Sheet
11
Exercise