JOINT VMC-1890L VERTICAL MACHINING CENTER

Technical Description

The JOINT VMC-1890L Vertical Machining Center is a high-rigidity CNC machine designed for heavy cutting and precision machining of complex parts. It features a working travel of 70.87 inches (X-axis), 35.43 inches (Y-axis), and 28.35 inches (Z-axis), supporting large workpieces up to 35.43 inches wide by 78.74 inches long on the table. The machine is powered by a 29.5 hp spindle motor capable of reaching speeds up to 8,000 RPM, providing high torque and efficient cutting performance. The spindle uses a BT50 taper with a short nose design, enhancing rigidity and stability during machining. The structure employs high-quality cast iron with reinforced internal ribs and finite element analysis to ensure durability, vibration damping, and stable long-term precision. The X and Y axes use wide linear guide rails with the Y-axis supported by four guide rails for superior load capacity, while the Z-axis has a box-type linear guideway with counterbalance for smooth vertical motion. Three-axis servo motors drive the ballscrews via gapless elastic couplings, pre-stressed to minimize thermal deformation and maintain positioning accuracy. The machine weighs approximately 29,762 lbs, reflecting its robust construction for heavy-duty industrial applications. Typical usage includes mold making, automotive, aerospace, and defense industries requiring high precision and complex surface machining. Optional features may include automatic tool changers and advanced CNC controls for enhanced productivity and versatility. Overall, the VMC-1890L delivers a combination of strong cutting power, large work envelope, and precision, suitable for demanding manufacturing environments.