Which master please teach about aluminum alloy doors and windows under the material calculation method? Flattened; push-pull can be the best example. Thank you!
High pressure water jet cutting
High-pressure water jet cutting is the use of high-pressure cylinder to the ordinary tap water pressure to 250 ~ 400MPa, and then through the hole diameter of 0.15 ~ 0.35mm gem nozzle jet to form a speed of 800 ~ 1000m / s high-speed jet, and in the water arrow Add the right amount of sand used to cut all the hard and soft materials. The advantages of water cutting are: almost no heat when cutting, the product is not thermal deformation, can guarantee product size accuracy; slit narrow and smooth cutting surface, without secondary processing, improve production efficiency; water cutting can be good To solve some high melting point, alloy, composite materials and other special materials, cutting processing. However, due to water knife and water jaw lag and incision bevel phenomenon caused by the tolerance error, for more than a certain thickness (40mm or more) or high precision parts, the use of waterjet processing and can not achieve the best results.
Aluminum alloy cutting can be used plasma cutting machine, high pressure water jet cutting machine and laser cutting machine and other cutting equipment. These three different cutting methods have their own advantages and disadvantages, according to the needs of the product, the use of different equipment to process aluminum alloy raw materials.
1. Plasma cutting
Plasma cutting is a high-temperature plasma arc as a heat source, the local melting of the cutting metal, while the use of high-speed air flow will melt the metal blown to form a narrow incision of a process. Hydrogen as a cutting gas, argon as arc gas, nitrogen is vortex gas, cooling the torque of the various components and blown away the molten metal.
The advantages of plasma cutting are: processing speed, the plate and large sheet metal processing capacity. But the plasma cutting products need to secondary processing, cutting the arc produced by large, gas smoke toxic, greater environmental pollution.
General cut the formula is the total width of the outer frame minus 4 cm is equal to the extent of the frame up and down the slide; the total width of the shell minus 4 cents minus the two light business minus a hook enterprise divided by 2 equal to the upper and lower horizontal degree. This thing to find some information to learn. The The Find some content on the Internet about cutting down.
laser cutting
Laser cutting is a new type of processing technology, has been widely used in metal cutting, glass cutting, sculpture and other industries. The laser is a kind of light, which is produced by the transition of atoms (molecules or ions, etc.), but it is different from ordinary light that the laser depends only on spontaneous emission only in the first short time, and the process is completely determined by laser radiation, So that the laser has a high coherence, high strength, high direction, laser cutting machine through the laser to produce laser, the mirror transmission and through the cluster mirror to the processed items, so that processed items (surface) by the strong heat and temperature A sharp increase, so that the point due to high temperature and quickly melt or vaporization, with the laser head of the trajectory to achieve the purpose of processing.
The advantages of laser cutting machine are: the processing of the workpiece without mechanical pressure, so cut out the product with high precision, no secondary processing; cutting speed, easy operation, high degree of automation; can cut any complex shape of the product, Cut, the model compression process is more preferred, although the processing rate is slower than the punching, but it saves mold costs, low economic costs. But for the thickness of more than 6mm aluminum alloy sheet, the use of laser processing, cutting effect is not good, and the equipment on the use of high environmental requirements, equipment failure in the service after a long time.
