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Refrigerator compressor liner precision press-fit - core home appliance component

Refrigerator compressor liner precision press-fit - core home appliance component

The refrigerator compressor crankcase requires a tight seal. A 200-ton high-precision hydraulic press is used for interference fit pressing: applying an interference of 0.03-0.05mm to the cast iron housing and the silicon aluminum alloy liner, dynamically compensating for eccentric load via a pressure sensor, and completing the 2.5-ton pressing force under ±0.005mm coaxiality. This technology is used in Haier's ultra-quiet compressor production line, reducing operating noise to 28dB(A) and extending seal life to over 15 years.
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Hot forming of ultra-high strength steel chassis parts - New energy vehicle body structure

Hot forming of ultra-high strength steel chassis parts - New energy vehicle body structure

New energy vehicle chassis need to balance lightweight and collision safety. A hydraulic press, combined with a 1500℃ high-temperature module, performs thick plate stamping (TRB technology) on 22MnB5 boron steel at 800-950℃: completing the austenite to martensite phase transformation within 8 seconds with a 5000-ton closing force, forming a B-pillar reinforcement with a yield strength of 1500 MPa. Tesla Model Y's integrated chassis uses this process, reducing part weight by 15% and improving energy absorption by 40%, achieving NHTSA five-star safety standards in side collisions.
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Ultra-precision straightening of hard disk read-write heads - cloud computing storage devices

Ultra-precision straightening of hard disk read-write heads - cloud computing storage devices

The read-write head (E-block) of the cloud computing server hard disk is made of 0.3mm ultra-thin stainless steel, and micrometer-level deformation will lead to data read and write failure. The hydraulic press is equipped with a laser micrometer for closed-loop straightening: the deformation is detected by a 0.5μm resolution sensor, and the pressure is applied in 3 stages with a progressive pressure of 5-20kN, correcting the 0.005mm level bending to a tolerance range of ±0.001mm within 3 seconds. This technology is applied to Seagate's Enterprise-level hard disk production line, reducing the failure rate by 70%.
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Flexible circuit board lamination packaging - Smart wearable sensor module

Flexible circuit board lamination packaging - Smart wearable sensor module

Bio-sensors (such as heart rate monitoring modules) in smart wearable devices require integration and packaging with multiple layers of flexible printed circuit boards (FPCs). A hot plate hydraulic press is used to apply a uniform pressure of 10 MPa at 80℃ to the PI substrate and conductive silver paste circuit layer for 120 seconds, achieving a bubble-free bonding of an ultra-thin stacked structure of 0.5 mm. Precision control within ±0.01 mm avoids circuit offset and ensures the stable signal transmission of the photoelectric sensors in Huawei/Xiaomi wristbands, increasing the yield rate to 99.3%.
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Server heat sink module bonding - Data center hardware production

Server heat sink module bonding - Data center hardware production

High-performance computing servers require high-density heat sink fins. Using a hydraulic press with controllable pressure of 150-300 tons, 0.1mm thick copper fins are solid-state diffusion welded to copper heat pipes: precise pressure is applied for 120 seconds in a 400℃ vacuum environment, allowing the interfacial metal atoms to interpenetrate, increasing thermal conductivity by 30% (to over 400W/mK). This process solves the problem of micropores on the contact surface of GPU/CPU heat sinks, ensuring 7x24 stable operation of data center equipment.
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Precision metal structural parts stamping - smart wearable device shell manufacturing

Precision metal structural parts stamping - smart wearable device shell manufacturing

The metal bezels and cases of smartwatches/wristbands need to be lightweight and highly durable. Hydraulic presses, with a closing force exceeding 2000 tons and precision molds, are used to forge titanium and aluminum alloy structural components at temperatures below 500℃, achieving a tolerance control of 0.05mm. For example, the stainless steel case of the Apple Watch Series uses multi-station hydraulic progressive forming technology to shape the curved surface and precisely punch holes within a 20-second stamping cycle, ensuring both comfortable wear and reliable product structure.
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