Waterjet Cutting Service

Water jet cutting machine
Bicycle sprocket
Waterjet cutting of wing ribs

If you need online waterjet cutting services 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 waterjet 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.

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

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How waterjet cutting works

Waterjet cutting is a process that produces shapes by cutting sheet material using a thin, high pressure stream of water containing abrasive particles.  The water jet is at very high pressure - typically 50,000 to 60,000 PSI and mixed with garnet abrasive. The sheet being cut is often submerged in a tank of water to reduce the resulting noise. The high pressure is created by a special pump designed for the purpose. 

Advantages

Waterjet cutting is an economical way to cut 2D shapes in a very wide range of materials with no tooling costs. The unique process provides reasonably good edge quality, no burrs and usually eliminates the need for secondary finishing processes. Waterjets also generate no heat so the material edge is unaffected and there is no distortion. Creating custom part this way can cut single or multi-layer materials from as thin as .001" to as thick as several inches.  The process yields no poisonous gas when cutting plastics or rubber. No custom tooling is normally needed, making it economical for short and medium runs. 

Shapes

Shapes possible include 2D shapes with cutouts of almost any complexity. Examples of parts that are often cut this way include: EnclosuresBracketsRobot Parts, WashersFront PanelsSheet Metal BoxesMotorcycle PartsAuto Parts, mechanisms, chassis, etc. 

Cost Reduction 

Cost reduction options include reduction of total cut length, reduction in number of holes and cutouts and reduction of material hardness and thickness.

Materials

Almost any material, hard or soft, can be cut by waterjet: AluminumStainless SteelCopperNylonSteelAcetalPolycarbonatePolystyreneFiberglassBrassCarbon fiberPTFETitaniumABSPVCSterling SilverSpring Steel,  BronzeRubber, Foam, Marble, Laminates, Gasket material, Wood, Granite. Ceramics, Glass, Meat (really), etc. Very few materials are impractical including some types of glass and some types of wood.

Design Considerations 

  • Edges are good but usually not as smooth as milling or punching.
  • Some spots along the edge, such as where the cut ends, may be less smooth.
  • The edges of the cut part generally have a dull finish.
  • Kerf width is typically ~.060", hence inside corners will be rounded to ~.03" radius.
  • There may be some hazing on the surface - especially near the edges.
  • Thin flimsy structures and shapes where a high proportion of material is removed may present difficulty in meeting dimensional and flatness tolerances.
  • Edges will be slightly sloped - the bottom side will have slightly more material at the edge than the dimensioned top side.


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"Thanks, using the eMachineShop software was easy, even for a novice. I was able to quickly design my part, select a finish and quantity and get a fair instant price quote. I look forward to getting the finished parts and hope the end result is as good as the remainder of the design and ordering process."
- Jason Greashaber
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eMachineShop.com | 31 Industrial Ave. | Mahwah, NJ 07430 | Phone 201-962-7511 | Questions? Contact us.

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