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Is CNC Swiss Machining best for this part? Mar 28, 2017

Is CNC Swiss Machining best for this part?

So, you have a print for a precision machined part that you've been told to source, and you suspect that CNC Swiss machining might be the best route to have it made. However, if you're not a machinist, selecting a supplier with optimal machining capabilities can be a daunting task. Most machined parts can be made a number of ways on various types of equipment, but unless that equipment is a good fit for your part, you're not going to get the best parts or price.

As a machine shop making custom turned parts, we speak to buyers and engineers everyday trying to figure out that magic fit for what they need made. It takes a wide range of experiences in machining to quickly ascertain the best kind of machining for a given material, quantity and complexity of part. Most shops specialize in a few types of machining and there's not really a "one-size-fits-all" solution.

What you need to know: Here are some general things to consider. The more your part and requirement fit these criteria, the more likely it is that Swiss turning will be right for you. You'll need to look at the print and both short-term and long-term quantity requirements to make a good judgement call. Be prepared to know:

  • What is the largest outer diameter?

  • What are different quantities that are needed both now and in the future?

  • What are the features on the part?

  • What material is the part?

  • What are the tightest tolerances on the print?

  • What are the finish requirements (if specified?)