Can lkprototype CNC Machine Aluminum & Stainless Steel?

lkprototype CNC 5-axis linkage machining center can machine a range of materials from aluminum alloy 6061 to stainless steel 316L. With a spindle speed of 24,000rpm and cutting speed of 45m/min, it can machine the surface roughness of Ra0.8μm in aluminum part processing. In Tesla’s Shanghai Gigafactory battery tray engineering project, lkprototype CNC enhanced the processing efficiency of 6061-T6 aluminum plates to 4.8 square meters an hour, a 37% improvement over conventional equipment, and the tool wear rate was reduced by 22%. For stainless steel, the low-temperature cooling system it is equipped with can control the cutting temperature at 85℃±5℃, extending the tool life of 316L material from 120 minutes in conventional processing to 210 minutes and saving processing costs by 18%.

In the use of complex structural components, the 0.005mm positioning accuracy of lkprototype CNC meets the aviation-grade requirement. The Boeing 787 cabin door hinge uses its processing approach, reducing the deep cavity milling time of the 7075 aluminum alloy components from 14 hours to 9.5 hours, and reducing the wall thickness tolerance to ±0.03mm, with a weight reduction effect of 15%. Huawei’s 5G base stations have had their stainless steel filter base processed by its high-speed hard milling technology with a thin-walled processing of 0.05mm, raising the yield rate to 97% from 88% and reducing the cost per unit by 0.6 US dollars.

Regarding energy efficiency, lkprototype CNC’s intelligent power module (IPM) increases energy consumption up to 3.8kWh/kg material removal rate, which is 29% less than traditional CNC. In the production of power battery aluminum casings by CATL, its dynamic load regulation function cut down the process cycle by 12% and electricity costs by 73,000 yuan per month. For the stainless steel 304 drilling machining process, its maximum torque is 180Nm. With the feed rate optimization algorithm for the 3.5mm drill bit, the hole position deviation is constant at ±0.01mm, and the processing efficiency is increased by 41%.

The material adaptability test results show that when lkprototype CNC machinesto 5052 aluminum alloy, its vibration suppression system controls the amplitude within 5μm, and the surface waviness (Wt) reduces from 0.15μm to 0.08μm. The DJI drone gimbal bracket utilizes this technology, enhancing the dynamic balance accuracy to 0.5g·mm/kg and reducing the motor vibration value by 32%. For precipitation-hardening stainless steel 17-4PH, its superalloy mode (GH mode) characterizes the cutting force fluctuation range from ±18% to ±6%, reduces residual surface stress by 45%, and extends parts’ fatigue life by three times.

The cost-benefit calculation indicates that lkprototype CNC’s multi-material mixing production line saves 30% of tool changing time. Apple’s MacBook Unibody follows the compound processing method of its aluminum casing, condensing 16 processes into 9. Processing time per product has been reduced from 58 minutes to 42 minutes, and yearly production capacity has increased by 220,000 pieces. In the production of medical devices, the consumption of cutting fluid for machining 316L stainless steel bone nails has been reduced to 0.15L/hour, down from traditional levels of 65%. At the same time, a mirror polishing surface of Ra0.4μm is guaranteed, and colony adhesion rate is reduced by 79%.

As far as industry certification is concerned, the aluminum alloy processing process of lkprototype CNC has passed the NADCAP heat treatment certification and obtained a 98.6 score for compliance in the 2023 Airbus supplier audit. The Inconel 718/aluminum alloy composite structural component of the fuel valve body of SpaceX Starship adopts its thermodynamic coupling processing technology, which regulates the thermal deformation less than 0.02mm/m, and the leakage rate test reaches the aerospace level of 10⁻⁸ Pa·m³/s. According to the ISO 2768-1 standard, the flatness error of the stainless steel flanges processed by it is ≤0.012mm, 50% higher than the industry standard.

In the area of innovation breakthroughs in new technology, lkprototype CNC’s laser-assisted machining (LAM) module can locally heat to 600℃ while machining stainless steel, reducing cutting force by 40%. The chassis crossbeam of the BMW iX electric vehicle employs this technology, improving the processing efficiency of 4340 steel to 3800mm³ per minute and reducing tool wear costs by 29%. Its flutter prediction system based on AI has brought processing stability up to 99.2%. Through the mass production of Boeing 777X titanium alloy/stainless steel hybrid parts, the yield rate has been consistently over 99.5% and the scrap rate has dropped from 3.8% to 1.2%.

In the quality control system, the lkprototype CNC is equipped with an online measurement probe to realize the real-time compensation accuracy of ±1μm. In the manufacture of aluminum alloy frames for ASML lithography machines, its multi-sensor fusion technology has reduced the overall error of hole spacing from ±5μm to ±1.5μm, and increased the single-pass assembly rate to 99.8%. In the stainless steel vacuum chamber processing of semiconductor equipment, the qualified rate of helium mass spectrometry leak detection has increased from 91% to 98%, and more than 500,000 US dollars of annual maintenance cost have been saved.

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