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Name of NGM Educator:

John Hoyle, Machine Drafting Teacher, Howell Cheney Technical High School

Name of Host Company:

MTU Aero Engines

Student Work Types:

• Identifying components of an Operation Sheet
• Company tour
• Construction of a case study

Task Abstract:

After being given a particular product, students will develop a series of Operations sheets necessary to create the part in a given manufaturing environment. Students will determine an efficient procedure in the fabrication of an item, the necessary fixturing and mounting systems needed, and the approximate times of each operation. they will create CAD-based operations sheets for all stages of part production.

Task Objectives:

1. Students will be given a specific product in a stage of development.
2. Students will create operations sheets to describe the necesary steps in most efficiently createing the product
3. Students will evaluate means of revising their process to cinrease efficiency.

Esssential Understandings/Questions:

• Understanding of machine drafting with heavy emphasis on manufaturing/machining processes of metal working
• Use of Pro-D and Cadkey CAD software
• Knowledge of machine fixturing and part cmounting.
• Use of measuring tools (micrometers, venier calipers) to determine best machine fixture mounting methods based on part size.

Skill in all of these areas will be demonstrated by actual creation of functional operations sheets, testing on relevant terminology, and correct determination of perational times, and correct machine selection.

Task Description:

1. Students will learn components of an Operations Sheet, including all required types of information used. This includes: Title Block, including Name, dates, Dates of Approval, Project Numbers, and Revision Letters.
2. Students will tour a major manufacturing plant (MTU Aerospace) and see firsthand the implementation of Operations Sheets in a high tech environment.
3. Students will select a small handheld assembled finished product with no more than 6 separate parts (i.e. hammer, soda can, etc.). Students will discuss methods used in the manufacture of one of these components. In groups of three students, they will discuss the operations needed to create a portion of this product and create Operations Sheets identifying these stages.

Resources Required:

Cadkey, Pro-D software, measuring tools (micrometers, vernier calipers, machinist scales, Machinist Data Handbook)

Prior Learning Required:

Students will have skill in layout, design, modeling and all annotation functions using Cadkey and basic assembly techniques using Pro-D. Students will have efamiliiarity with using the Machinist Data Handbook for reference information. Students will have knowledge of drafting practices including alphabet of lines, dimensioning, orthographic projections, section views, auxiliary views.

Educator Comments:

By creating Operations Sheets, students are exposed to a large gamut of shop procedures and practices. The Operations Sheet is a culmination of drafting skills, knowledge of proceses, tool design, and mounting methods. The product and process will necessarily be a basic and simple part with a basic and simple operation. Tours and industry intererations will play a great role in improving the students understanding of the critical nature of Operations Sheets in industrial manufacturing settings.