Turning center keeps shop competitive

Turning center keeps shop competitive

ALTHOUGH SRS MANUFACTURING IN CHESTERFIELD, Mich., has sustained annual growth, the company's business has changed dramatically over its seven-year existence. The shop, which specializes in CNC turning and milling, now faces enormous price pressures. Larg

Scott Stay, president of SRS, says his Mazak QT Nexus 200 turning center increases productivity and efficiency at a 15% lower cost as compared to similar machines.

SRS's part precision improves 40% with the QT Nexus 200 turning center.


ALTHOUGH SRS MANUFACTURING IN CHESTERFIELD, Mich., has sustained annual growth, the company's business has changed dramatically over its seven-year existence. The shop, which specializes in CNC turning and milling, now faces enormous price pressures. Large runs used to be 1,000 to 2,000 pieces. Today, a big order involves about 400 pieces, and JIT delivery is critical.

To roll with the economic punches and stay competitive, SRS keeps a close eye on capital-equipment costs. The shop has four Mazak turning centers, three Bridgeports, and a vertical machining center. The Mazaks, says Scott Stay, president of SRS, increase productivity and efficiency at a 15% lower cost as compared to similar machines.

The shop's newest machine, a Mazak QT Nexus 200 turning center provides new levels of speed, precision, and efficiency. As compared to the machine's predecessor, spindle output is 20% higher, bar capacity is 35% larger, top spindle speed is 10% faster, and Z-axis traverse is 10% quicker.

Sporting an 8-in. chuck, the QT Nexus 200 provides SRS with a 40.2-in. maximum machining length and 26 kW (35 hp) of spindle output for speeds up to 5,000 rpm. Its turret indexes at 0.18 sec/position and uses all existing SQT 200 tools.

SRS relies on the machine's 40% increase in rigidity for improved part precision. The machine's spindle is 10.5 in. shorter, which reduces deflection by 85% for better surface finishes and cylindricity.

Mazak Corp.
Florence, KY.
mazak.com

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