The Tips of CNC Waterjet Cutting Machine Operation
Through these skills, you will have a deeper understanding of Water Jet technologies, Some of these skills are easy to understand while others can only be learned through practice.
Thick Material Cutting
When cutting materials with thickness less than 2.5mm, brings low productivity of using medium or large cutting heads. If needed, the best way is to consider the use of multiple cutting heads at a time to increase productivity.
Mesh number of abrasive
Abrasive will small mesh such as 120 mesh or less will slightly reduce the cutting speed on abrasive waterjet cutter, but could bring a smoother cutting surface (compared to 80 or 50 mesh abrasive).
Production costs are calculated per inch:
Production costs are calculated per inch instead per hour. The cost per hour of running a waterjet cutting machine is not important, What matters is how many work piece you can produce in a given period of time. Some users mistakenly believe that operating costs can be minimized by reducing cutting speed on the waterjet. Although costs of abrasives occupy two-thirds of the operating costs of a abrasive waterjet machine, you must produce parts quicker to offset the overhead costs (labor, facilities, rental).Use full horsepower and a high pressure abrasive waterjet rate to cut as fast as possible.
The water pressure is controlled by the controller
If you are cutting composite materials, glass, and stone on a regular basis, the system should have the ability to increase or decrease the water pressure through the controller. You should also investigate vacuum assistive techniques or other techniques to improve the success rate of piercing fragile or laminated materials.
A control system specially designed for the process
Control systems designed specifically for the process are generally more efficient and easier to use than conventional multi-process controls.
Automatic loading and unloading
Most machines do not use automatic up and down technology, such as the shuttle. Only when material handling is a significant part of the cost of production can automatic loading be considered.90% of the sand water knife is manual loading and unloading, or with the help of a simple crane, boom crane or forklift.
Ordinary tap water
The water cutter uses ordinary tap water.90% of pure water cutters and sand-adding cutters only require water to be softened before passing through the pump inlet filter into the turbocharger. Reverse osmosis and deionization techniques are used to purify water into "unsaturated" water. The water absorbs ions from the environment, such as metals in pumps and high-pressure lead pipes. Reverse osmosis and deionization techniques can greatly extend nozzle life while also causing costly damage to superchargers and high-pressure tubes. Although nozzles are cheap, the loss of high pressure cylinders, check valves and end caps will far outweigh the benefits of extended nozzle life.
Underwater cutting can reduce surface or upper edge atomization caused by sand water knife cutting process. Underwater cutting can greatly reduce the noise of cutting while making the working environment cleaner and more orderly. The disadvantage is that the operator in the cutting process can not see the spray cutting. If the operator objects to underwater cutting, consider using an electronic performance monitor. These monitors will detect peak cutting performance deviations and stop the machine before parts are damaged.
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