CNC Plasma Cutting Service

CNC Plasma Cutting Machine
Sheet metal part

If you need online plasma cutting we are one of the most capable and affordable sources and we can get the job done right. Download our Free CAD software today and design your custom part or import an existing file. Order online for ultimate speed and convenience.

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About our service

eMachineShop offers a unique approach to providing custom plasma cutting services. We provide special free CAD software that allows you to easily draw your part or import an existing design. The software then provides instant expert feedback about your design and helps you correct any issues to ensure a smooth trouble-free process. It then gives an instant price - saving you from waiting for quotations. And finally the software allows you to order your custom parts online with just a click - at prototype or production quantities. 

We stock a wide variety of materials, use state-of-the-art machines and diligently follow all design specifications. We continually strive to improve and optimize our processes and maximize customer convenience. Our customers range from inventors to businesses to government agencies. We are focused on quality and customer service.

Get started

Get started today - design, price and order your custom parts through eMachineShop

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How plasma cutting works

CNC plasma cutting is a process of cutting 2D shapes from sheet metal using a high temperature, high velocity stream of ionized gas. The plasma stream is generated by directing the flow of an inert gas through an orifice where an electric arc ionizes the gas. The material is thereby heated to a molten condition and the high velocity gas stream blows the material away.

Advantages 

Plasma cutting offers low cost since no custom tooling is needed. The process is especially cost effective for thick metal sheets. This method of cutting is usually for thicker sheets than laser. Plasma cutting is generally used to cut 2D shapes not requiring high precision or fine detail.

Applications 

Example applications include: Metal BracketsMotorcycle PartsAuto Parts, parts for heavy machinery, aircraft components, signs, panels, material handling equipment, etc.

Materials 

Plasma cutting is mostly commonly applied to stainless steel, carbon steel and spring steel.

Cost Reduction 

Cost reduction options include reducing total cut length and number of holes.

Design Considerations

  • Edges can be rough, especially for thicker material and more so with aluminum than steel.
  • The cut edge will have an oxide layer.
  • The angle of the edge can deviate from 90 degrees typically by 10 to 20 deg.
  • Edges may have pits at some points along the edge (with depth typically up to material thickness). 
  • Some warping can occur on intricate parts.



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"eMachine is FANTASTIC! In designing my part whenever I encountered a problem with the CAD program they were quick, helpful, and professional. I thought companies that provided this level of customer service had all gone the way of the dinosaur, I'm thrilled to see that I was mistaken. As for my order, when I opened that box it was like ..."
- Sean M
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