Question: How To Build A Water Jet Cutter?

What is the pressure of a water jet cutter?

Typical waterjet cutting pressure is between 50,000 and 60,000 PSI. Many newer systems are pressurized up to 90,000 PSI. The water at this pressure is then released through a small orifice machined into a diamond or saphire, usually in the range of 5 to 15 thousandths of an inch diameter.

How much does a water jet cutting machine cost?

It’s the only desktop machine that cuts virtually everything, including steel, titanium, aluminum, glass, stone, tile and carbon fiber. Traditional waterjets cost upwards of $100,000 and are too large and messy to fit in most workshops. WAZER costs $7,500.

What materials can water jets cut?

Waterjet machines cut all types of metals: hardened tool steel, aluminum, titanium, and a host of exotic metals that prove difficult to cut with other tools or processes. Cutting with a waterjet produces a smooth edge with no burn marks, cracking or excess burrs.

Is water jet cutting expensive?

Water jet cutting: This tends to be pricier due to component wear and consumables. In addition to a water pump that needs periodic maintenance, you’ll need nozzles, seals, cutting water, cooling water, and an abrasive medium to run with the water in the machine.

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Is laser cutting cheaper than water jet?

Plasma operating cost would again be the lowest, and is typically estimated at approximately $15/hour. The cost of laser would be slightly higher, typically estimated at around $20/hour. Waterjet is usually considered to be the most expensive, typically estimated at about $30/hour.

How accurate is a water jet cutter?

What is the Base Accuracy of the Waterjet Cutting Process? Relatively speaking, a water jet cutting process is highly accurate. Once the cutting starts (meaning that the initial through hole is complete), a waterjet cutting machine can achieve a parts tolerance of +/- 0.001” with consistency.

Is there anything a waterjet can’t cut?

Semi-liquid materials: A water jet cannot cut through anything liquid or even semi-liquid, such as sand or cement slurry. The materials will simply blend back together after the water jet passes through because the liquid content is so high. Iron: Iron is too brittle for a water jet to cut an accurate profile.

What can a waterjet not cut?

Examples of materials that cannot be cut with a water jet are tempered glass and diamonds.

Can a waterjet cut wood?

The answer is yes! Waterjets can cut virtually anything such as metal, ceramic, stone, glass, foam, plastic, and, you guessed it, wood!

Can you get cut by water?

A waterjet has the ability to cut through a “sandwich” of various materials with up to four-inch thickness. This dust-free, odourless and relatively heat-free process can also slice through something as thin as five thousandths of an inch. The tiny jet stream allows the first cut to also be the final finished surface.

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How thick can a waterjet cut?

Cutting Thick Materials with Waterjet



Truly, a waterjet can cut up to any thickness, but tolerances will change the thicker the material being cut. Tight accuracies can be kept when cutting materials under 4 inches thick, a near net shape is achieved when cutting thicker materials.

What can cut diamond?

Diamonds are cut with specialized tools that make use of diamond tipped phosphor bronze or diamond dusted steel blades. Such tools are used to exploit the structural weakness of the diamond by grooving and striking along specific tetrahedral planes.

Can you cut steel with a water jet?

Cutting steel is one of the most common uses of waterjet cutting. Waterjets can cut all grades of steel, producing a smooth edge without burn marks, cracking, excess burr, or many other issues associated with heat-based cutting.

How thick of steel can waterjet cut?

Practically speaking 2″ (5 cm) to 3″ (7.5 cm) thick steel is about the upper thickness limit for an abrasive waterjet. If you want to cut steel that is thicker than 3″ (7.5 cm), the time to cut goes up significantly and it becomes less and less cost-effective to use a waterjet.

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