DAINICHI DHM 90 400 MANUAL LATHES

Technical Description

The Dainichi DHM 90-400 is a heavy-duty manual engine lathe engineered for precision production work and high-volume machining operations. This substantial machine features a 35.4-inch swing over bed with 157.5 inches between centers, accommodating workpieces up to 4,400 lbs, making it suitable for large-diameter component manufacturing. The lathe operates at spindle speeds ranging from 7 to 1,250 RPM, powered by a robust 15 HP motor, enabling versatile material removal rates across various turning applications. The ASA-A1-11 spindle nose with a 4-3/16-inch through-hole diameter supports interchangeable tooling and allows for bar stock feeding. Longitudinal and cross-feed capabilities of 0.0024–2.2 inches/rev and 0.0012–1.1 inches/rev respectively provide fine control for precision finishing and rapid stock removal. Threading versatility includes 56 metric changes (1–224 mm pitch) and 36 inch changes (28–1/8 TPI), accommodating diverse fastener specifications. Equipped with a 4-jaw chuck with 4-inch through-hole, heavy-duty tailstock, taper attachment, and central lubrication system, the DHM 90-400 combines traditional craftsmanship with production efficiency. Standard features include a Sony 2-axis DRO for precise dimensional control, rapid traverse carriage, 4-way tool post, steady rests, coolant pump, and work lighting. Weighing 19,000 lbs, this rugged machine delivers consistent performance for demanding production environments requiring reliable manual control and exceptional workholding capacity.