Nitrogen Gas Generation System
Nitrogen are widely used in all kinds of industries, such as metallurgy, packing, petrochemical, laser cutting, pharmaceutical and etc. Nitrogen parameters are mainly about purity, flow rate and application pressure which vary with different applications.
Stop relying on third-party suppliers for your nitrogen supply. We offer a range of nitrogen generators that help you to generate nitrogen at your own facility to whatever purity level your application requires with your own desire. On-site nitrogen lets you to reduce the waste, control the purity, and have nitrogen gas available at your fingertips 24/7. Our nitrogen generators are available in both PSA and membrane technologies.
PSA nitrogen generator system consists of air compressor, filters, air buffer tank, dryer, nitrogen generator and nitrogen buffer tank. We can offer one-stop purchasing of the whole package,or you are free to get your own air compressor or other partner equipment as you wish.
Just let us know the technical parameters, then we can offer detailed quote tailored for you. We can help you to offer your own nitrogen station.
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When programming a machining process, the programmer must carefully determine the cutting parameters for each operation. Selecting the right cutting conditions involves considering various factors that influence the cutting process. By making an informed choice, the programmer can significantly enhance both the quality of the machined part and the overall productivity. Several key factors affect the cutting conditions, including the rigidity of the machine tool, the cutting tool, and the workpiece; the cutting speed, depth of cut, and feed rate; the required accuracy and surface finish of the workpiece; the expected tool life and maximum production output; the type of cutting fluid used and the cooling method; the hardness and heat treatment condition of the material; the number of parts to be machined; and the expected lifespan of the machine itself.
Among these, cutting speed, depth of cut, and feed rate are the most critical factors. The cutting speed directly impacts the efficiency of the machining process. If it is too low, the machining time increases, and the tool may not perform optimally. On the other hand, if the speed is too high, although the machining time decreases, excessive heat can be generated, reducing tool life. Many factors influence the selection of cutting speed. To summarize:
(1) Tool Material: Different tool materials have different maximum allowable cutting speeds. For example, high-speed steel tools typically operate below 50 m/min, while carbide tools can handle up to 100 m/min, and ceramic tools can go as high as 1000 m/min.
(2) Workpiece Material: The hardness of the workpiece material affects the cutting speed. When machining harder materials, the cutting speed should be reduced, while softer materials allow for higher speeds.
(3) Tool Life: A longer tool life requires a lower cutting speed, while a shorter tool life allows for higher speeds.
(4) Depth of Cut and Feed Rate: Larger depths of cut and higher feed rates increase cutting resistance and heat, so the cutting speed must be adjusted accordingly.
(5) Tool Geometry: The shape, angle size, and sharpness of the cutting edge all play a role in determining the appropriate cutting speed.
(6) Coolant Use: Machines with high rigidity and precision can support higher cutting speeds, while less rigid machines require slower speeds.
Of all these factors, the material of the cutting tool has the most significant impact on the cutting speed.
The depth of cut is primarily limited by the rigidity of the machine tool. If the machine is rigid enough, the depth of cut should be as large as possible. If machining accuracy isn't a concern, the depth of cut can match the material's machining allowance, which reduces the number of passes required.
Spindle speed is determined based on the maximum allowable cutting speed of the machine and the tool. It can be calculated using formulas or selected from reference tables.
Feed rate (f in mm/r or F in mm/min) is chosen based on the required machining accuracy, surface roughness, and the properties of both the tool and the workpiece. The maximum feed rate is also constrained by the machine’s stiffness and the capabilities of its feed drive and CNC system.
When selecting cutting parameters, the programmer must choose values that align with the machine's specifications and ensure optimal tool durability. Analogical methods can also be used to estimate cutting parameters. Regardless of the approach, it is essential to ensure that the tool can complete the machining of one part or at least last for at least one work shift, with a minimum of half a shift.