Project | 08: Make a model engine cylinder head
This is project 8 of 11 in the model engine project series.
Create a cylinder head, which is a part of the model engine assembly.
Module overview
Using the model and engineering drawings provided, set up and program toolpaths for the cylinder head.
Project scenario:
A customer has asked your company to redesign a model engine assembly and to machine a prototype. They have provided engineering drawings of the original. This project requires you to model and redesign the cylinder head while maintaining the mounting locations and pins to the cylinder as well as internal engine clearances with the piston. engineering drawing. Use the engineering drawing as a reference for the mounting locations and overall dimensions of the part. The part has symmetry about the piston center location. Consider various stock sizes and shapes to incorporate your unique design. Consider any changes to the outside shape and how they interface with the cylinder component. Changes to the piston in a previous project should be accounted for in the cylinder head design as well.
The customer also asked your company to prototype the cylinder head. They have provided engineering drawings of the original part as well as a neutral CAD model of the cylinder head. This project requires you to set up and program toolpaths for the cylinder head provided. Begin with the supplied engineering drawing and the CAD model. Use the engineering drawing as a reference to plan tools required and work out any work holding requirements. Consider various stock sizes and shapes and think about the number of operations required to machine the part. Sample process plans, setup sheets, cutting data, and inspection reports are provided but use your judgment, the tools, and machines you have available, and your knowledge to complete the project.
Module downloads
These downloadable resources will be used to complete units in this module:
Teaching supplements
Teaching this project to students in the classroom?Â
Use this instructor guide to incorporate this and our other model engine projects into your lesson plans. You'll understand how to use CAD and CAM workflows to combine this and other projects into a model engine assembly. Then, machine the model engine using standard stock sizes. Â
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Send your students to our Introduction to CAD, CAM, and Practical CNC Machining for Milling self-guided course. They can learn at their own pace, track their own progress, and earn a certificate of completion when they get 75% or more on the final test.