CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

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CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

CANADA'S LEADING INFORMATION SOURCE FOR THE METALWORKING INDUSTRY

Compact five axis VMC

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Doosan’s new DNM 200/5AX is a compact five axis vertical machining centre designed with an affordable price point for manufacturers machining complex prismatic parts.

 The new machine reduces set-up tme and ensures consistent accuracy without taking up too much shop floor space, according to Doosan Infracore. The machine is equipped with a built-in 4th and 5th axis trunnion table for machining of multiple faces on complex prismatic workpieces. The design allows for more available Z axis clearance than traditional VMCs with a rotary system placed on the standard table. Platter size is 7.87 in. in diameter (200 mm) allowing for a maximum workpiece of 11.81 in. (300 mm) in diameter and 7.87 in. (200 mm) in height. Maximum table load is 88 lb (40 kg).

All linear guideways feature roller type bearings, delivering three times more rigidity and double the lifespan, claims Doosan. Additional benefits include optimal weight and force distribution, superior stiffness, accuracy, and surface finish.

The direct-coupled spindle drive system is a true cartridge type unit supported by high precision ceramic ball bearings that offer minimal noise, vibration and thermal growth due to the absence of gears or belts inside the spindle head body. The 12,000 rpm, 15/25 hp motor has 86 ft-lb of torque with a spindle accel\decel time of 0 – 12 k (2.16 sec )\12k – 0 (2.21 sec).

The bed is a rigid, one piece casting made from fine grain Meehanite cast iron with heavy ribbing to help prevent vibration and deformation during heavy cutting.  Extra wide spacing of the roller guideways provide for excellent support of the saddle, regardless of the load distribution on the table. The table is fully supported by the saddle in all positions with no overhang. The rigid box type column casting is heavily ribbed to help prevent twisting or distortion as well as helping to dampen vibration during high speed or heavy machining.

Doosan Infracore

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