Overcoming the Challenges of Thin-Walled Cavity Machining: Shenyang Machine Tool’s VMC850Q Vertical Machining Center Empowers High-Efficiency Mass Production of New Energy Vehicle Housing Components.
Release Date:
2026-06-11
In the manufacturing of new-energy vehicle three-electric systems, structural components such as electronic control enclosures and motor housings possess… Thin-walled, multi-cavity, high-precision sealing surfaces, large batch sizes Four major machining challenges: thin-walled structures are prone to deformation during cutting; the mating surfaces demand stringent flatness and surface‑roughness specifications; multi‑hole operations require consistent positional accuracy; and high‑volume production places extremely high demands on machine tool stability and utilization. Conventional machining equipment often suffers from issues such as chatter marks, precision drift, and low tool‑change efficiency, thereby limiting improvements in both throughput and first‑pass yield.
Shenyang Machine Tool’s VMC850Q and VMC850Q-A vertical machining centers are specifically designed to address key industry challenges:
- High-rigidity structure for deformation prevention The machine employs low‑stress casting technology, with an A‑type graphite content of ≥90%, delivering excellent vibration‑damping performance and reducing residual stresses by 30%. Its monolithic bed, supported by eight mounting feet, maximizes overall rigidity, effectively suppressing chatter when machining thin‑walled housings and ensuring uniform wall thickness.
- Full-dimensional precision control : Leveraging more than 200 critical testing instruments and over 500 individual inspection parameters, we achieve a 30% reduction in outgoing‑product precision compared to industry‑standard benchmarks. Positioning accuracy reaches 8/6/6 μm, with repeat positioning accuracy of 5/4/4 μm, while the machining accuracy of housing sealing surfaces and mounting faces remains consistently stable over time.
- Process integration boosts efficiency and reduces costs. Standard configuration includes a fully enclosed tool magazine, with an ultra-fast 2.3‑second tool change, enabling continuous multi‑process machining for box‑type milling, drilling, tapping, and boring. Equipped with rear chip removal and centralized coolant supply, it seamlessly integrates into automated production line layouts, with thousands of units deployed across automotive manufacturers’ automation lines worldwide.
- Long-term stability assurance The machine tool has undergone 22 performance tests, including geometric accuracy, thermal stability, and dynamic stiffness, as well as 25 cutting‑test evaluations. It delivers outstanding machining consistency under both cold and hot operating conditions, with CMK values meeting mass‑production standards and maintaining precision over extended periods of high‑volume production.
Shenyang Machine Tool’s VMC series vertical machining centers, backed by years of technological expertise and meticulous refinement across the entire production process, have become
New energy vehicle body panel machining The preferred choice for equipment. The machine employs optimized casting materials, with trace elements such as copper and tin added, paired with an eight‑foot support structure and a 5,500‑kg heavy‑duty frame, which significantly suppresses machining vibrations and ensures ideal performance in heavy‑cutting operations on thin‑walled housings and continuous machining conditions. With micron‑level interpolation accuracy and factory‑calibrated precision‑compression technology, the positioning accuracy and repeatability of housing mating surfaces are consistently maintained at the micrometer level, while sealing surfaces are machined uniformly and flawlessly, eliminating leakage risks at the source.
To meet the multi‑process machining requirements of box‑type components, the machine tool is equipped as standard with a rapid tool‑change system, achieving a tool‑change time of just 2.3 seconds. Its dual‑helix chip‑evacuation design ensures efficient in‑machine chip removal, significantly reducing auxiliary setup time. In addition, the equipment features standardized automation interfaces, enabling seamless integration with gantry robots and automated production lines. To date, it has delivered hundreds of units in volume to numerous new‑energy vehicle manufacturers in Shandong, Hubei, Jiangsu, and other regions, providing end‑to‑end solutions that encompass tooling fixtures, machining processes, and prototype‑part commissioning.
From single‑piece precision prototyping to large‑scale automated mass production, Shenyang Machine Tool’s vertical machining centers leverage uncompromising quality to overcome the challenges of machining new‑energy vehicle housings, helping the new‑energy automotive industry reduce costs, boost efficiency, and elevate product quality—while partnering with the sector to embark on a new journey toward sustainable mobility.
Keywords: Turning operations, vertical machining centers, horizontal machining centers
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