There are many terms to know and understand in the machining industry. If you are just getting started in the industry, we have designed this list to better prepare you for the job.
Machining.Blog® is a weekly blog focused on manufacturing career development. It features blog articles on the fundamentals of manufacturing for aspiring machinists. Our goal is to create an interest in manufacturing in the USA. Our writer Matthew Schowalter has worked in manufacturing for 24 years, and he covers the topics that matter to someone starting their career in manufacturing.
“The soft skills the machinist uses are the unseen tools in their box and can directly impact the success or failure of a dreamed after machining career.”
All in Machining
There are many terms to know and understand in the machining industry. If you are just getting started in the industry, we have designed this list to better prepare you for the job.
Over the last 5 years, I have been observing the manufacturing industry worker shortage. The drastic change that I have seen over my 24-year career is alarming. While most industries change over time, I believe the changes that are happening to manufacturing are more than that. We are in a worker shortage crisis.
So, you have finished your education, either in high school or post-secondary trade school or both, and you are ready to find that machine shop meant for you. Many people do not take compatibility into consideration when completing their job search, but they should.
When planning a CNC machining process there are many considerations and options to choose. From cutting tool selection to cutting parameters, the choices have a major effect on the end results. Here is what it might take to define a CNC toolpath:
The code to program a G3 counter-clockwise arc on a lathe is: G3X______ Z_______ R_______
How we are taught how to pronounce a measurement in mathematics class is different from how we pronounce a measurement in machine shop class. In the following chart, I will break down the decimal place pronunciation of 0.123456.
An endmill is a cutting tool that is typically used in a milling machine, or a mill/turn machine. They come in various diameters and lengths, to suit the needs of the user and the application. With that, they typically come in variations with 2-flutes, 3-flutes and 4 flutes. A 2-flute and 3-flute endmill is typically used in cutting aluminum. The 4-flute version is used in milling steel. The versions with 5 to 12 flutes are used in finish cutting steel.
We will cover the basics of Parameter programming. The concepts learned can be applied to many CNC projects and can be used in small shops and large shops alike. In G Code, macro programming variables are assigned values and when they are referenced and called they provide the last value that they were assigned. Some ways that variables can be used are for machining part families and for modifying work offsets and tooling offsets.
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While recently attending a workshop on starting or growing your school-based enterprise at the school district of Eleva-Strum in Wisconsin I discovered that they have great model for their student-run business. Their program, Cardinal Manufacturing teaches soft skills and employability skills along with learning the technology.
The Red Raider Manufacturing program in the Sheboygan Area School District had 1,090 students in the 2021-22 school year. Its mission is to give all SASD students access to the most up-to-date, relevant and exciting learning experience to succeed. The vision of the program is education and industry partnering to turn a manufacturing/technical career into an aspiration. The students in the program are high achieving, proud of what they do, and career ready.
Here is a great video about Cardinal Manufacturing which is a student-run business in the Eleva-Strum High School. It’s a manufacturing program in the technical education department where the students are responsible for all aspects of the business.
I recently had an opportunity to interview Phil Brown and Umair Riyas from NexGenCAM about how to begin a career in computer-aided manufacturing or CAM. They are applications engineers that specialize in CAM software. Phil and Umair have extensive backgrounds in CNC and CAM/CAD, they offer a few tips to others who may be interested in starting a career in the field.
The entire NexGenCAM team (over 35 people) will be there to answer questions about the design and manufacturing software that they support, which includes Autodesk software products. To register for the event, follow the link below that will take you to their website.
Cardinal Manufacturing is a student-run manufacturing program in the Eleva-Strum high school. They recently finished a 10-month remodeling project in the machine shop and classroom. It was a complete remodel which included the ceiling and walls being repainted. They chose a red and white color scheme for the rooms, halls, and manufacturing equipment.