The manufacturing process has evolved to the point where there are now many different ways to cut materials. At Ti-TEK, we’ve seen these methods develop across our years of experience.
Traditionally, blades have been the go-to option. But these aren’t always the best choice depending on their application and the materials involved.
This is why waterjet cutting (sometimes formatted as ‘water jet cutting’) has become a popular option with manufacturers. But what exactly is this cutting method, and how does it differ from more commonly known options?
What is water jet cutting?
Waterjet cutting utilises a hyper-focused and pressurised stream of water to cut hard objects, rather than using blades.
A waterjet cutting machine can be used to cut a wide array of hard and soft materials, including plastics, ceramics, stone, metals and more – all using water.
For harder materials, like some of those listed above, abrasives like sand can be mixed into the water stream to increase the effectiveness and force of the water stream. This is known as abrasive waterjet cutting, as opposed to pure waterjet cutting.
The result is an accurate and easily repeatable cutting method with improved edge quality that is being adopted by more manufacturers worldwide every day. Glass waterjet cutting, for instance, is proving to be a very useful tool, producing smooth-cut glass that can be used almost straight from cutting.
How does waterjet technology work?
Step 1
Before the water can be used to cut and launched from the waterjet nozzle, it must be pressurised to the correct degree. Depending on the machinery involved and the materials to be cut, this can be anywhere up to 94,000 psi.
Step 2
The water is directed into the cutting nozzle, which is often made of a hard-wearing material like diamond so it can withstand the high pressures, before being fired towards the target.
Step 3
Should the water jet cutting process require the addition of an abrasive within the stream (as mentioned earlier), this is applied before it reaches the nozzle, so it can be mixed appropriately before application.
Step 4
The water stream exits the nozzle and hits the material to be cut. It is so fine, it’s often thinner than a single millimetre or a strand of cotton.
Step 5
The water stream cuts the material in the desired form, while excess water runs off without causing issues with the cutting process.
Advantages of waterjet cutting
Accuracy
Thanks to the incredibly fine stream of water, water jet cutting can produce far more precise results compared to blades of varying thicknesses.
Smooth cutting
While some blades can be abrasive, creating rougher results, water jet cutting produces a smooth edge – saving time and preventing the need for excessive sanding later.
No heat
Because significant heat is often produced as traditional blades collide with materials, an extra element of danger is always present. But water jet cutting doesn’t produce any heat at all. In fact, the water is cold, making this a fully cold cutting process.
This is also useful for cutting materials that can be easily damaged or otherwise affected by heat.
Cost effective
Industrial cutting appliances can be expensive to maintain, given that blades have a habit of going dull, warping or failing over time. But this issue is nonexistent with waterjet cutters.
Waterjet cutting vs laser cutting
Another impressively accurate cutting process, laser cutting remains an effective option for manufacturers that value speed. However, waterjet cutting doesn’t require as much energy or expenditure and is considered the safer, more accessible alternative.
What is CNC water jet cutting?
CNC stands for ‘Computer Numerical Control’. It sounds complicated, but it’s simply the process in which a computer program is responsible for the cutting process, rather than relying on a human operator.
Commands are pre-loaded into the CNC cutting machine, specifying the shape, size, speed and frequency of cuts. This takes the human element out of much of the process, negating the chances of human error for more accurate and profitable results.
Explore water jet cutting services with Ti-TEK
If waterjet cutting sounds like the solution you’ve been seeking, Ti-TEK is here to help.
Our professional and experienced team offer industry-standard waterjet cutting services that’ll offer the precision, speed, and reliability you need to craft whatever parts you need for your industry.
For more information on the waterjet cutting process and how it can help you, speak to the Ti-TEK team today. Call us now on 0121 382 4121 or head to our contact page, and we’ll be happy to discuss your needs.