CNC Q&A with Justin Stebbins, Operations Manager – Oakland
Whatever your question, I assure you, we’ve heard it before. Here are some common CNC machining questions we receive. Any other questions, please contact our machine shop today for answers.
Q / / What language is used by CNC machines?
A / / CNC machines are primarily programmed using G-code though M-code is also acceptable.
Q / / Are CNC and VMC the same?
A / / No. A computer controls CNC machines. A VMC is a kind of CNC machine used to cut metal.
Q / / Why should I use CNC machining?
A / / Since the process is automated, it increases efficiency, lowers costs and increases accuracy.
Q / / What materials can be used in CNC machining?
A / / Depending on the application, common materials include stainless steel, copper, brass, aluminum, titanium, foam, polypropylene, ABS, POM, PC, Nylon and more.
Q / / What are the five different CNC machines?
A / / CNC lathe machine, router machine, milling machine, laser cutting machine and plasma cutting machine.
Q / / What is the difference between DNC and CNC?
A / / A direct numerical control (DNC) system uses a mainframe computer to operate multiple machines. DNC refers to the networking of more than one CNC machine.
Q / / What industries use CNC machining?
A / / Aerospace, medical device, photonics, defense, electronics, transportation and more.
Q / / What type of finish is produced by CNC machining?
A / / Some CNC machines, such as the CNC mill, may leave visible tool marks. Because of this, an additional step may be required or recommended to finish the part.
Q / / What are the standard finishes for CNC parts?
A / / Bead blast, anodized, chem film, passivation, powder coat, electropolishing, electroless nickel plating, silver plating and gold plating are all standard options.