VMCs Increase Productivity, Quality

Makino’s PS-series VMCs for production machining are designed to reduce cycle time, increase productivity, improve quality and minimize capital investment.

New Product Announcements From: 11/1/2011 Modern Machine Shop

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Makino’s PS-series VMCs for production machining are designed to reduce cycle time, increase productivity, improve quality and minimize capital investment. Its rigid construction, thermal stability and versatile spindle are well-suited for a variety of applications, including automotive, aerospace, medical and other small-component manufacturing applications, the company says.
 
Standard features include a 33.5-hp, high-speed, 14,000-rpm CAT40 spindle delivering 130 foot-pounds of peak torque. The series is available in two models: the PS65 and PS95. The smaller PS65 features XYZ travels measuring 26", 20" and 18.1", respectively; a 36.2" × 20" table; and a maximum workload of 1,323 lbs. The larger PS95 features XYZ travels of 36.2", 20" and 18.1", respectively; a 46" × 20" table; and a maximum workload of 1,763 lbs. Both models are equipped with a 30-tool ATC (50-tool ATC optional).
 
Based on a traditional C frame, the series’ design uses finite element analysis (FEA) techniques on the cast iron components to optimize rigidity and torsional stiffness. The construction ensures the quick, efficient transfer of the cutting forces through the structure of the machine—from spindle into the column, and ultimately the bed of the machine. In addition, the symmetrical nature of the casting, incorporation of core-cooled ballscrews and support bearings, and a closed-loop temperature compensation system secure the tightest tolerance and minimal variations during long production part runs.
 
Designed for flexibility and high productivity, the series’ standard 14,000-rpm CAT40 spindle (HSK-A63 optional) is suited for the job-shop environment. According to the company, spindle characteristics, such as duty ratings at 33.5-hp (24.2 hp continuous) and 130 foot-pounds of peak torque (70.5 foot-pounds continuous), increase efficiency and machine productivity over a range of materials. Large-diameter bearings, air-oil lubrication and jacket-spindle temperature control deliver long-term thermal stability and stiff, rigid, chatter-free cutting.
 
Chip and coolant systems also enhance productivity. Configured with flood, overhead shower, flush and through-spindle coolant as standard features, chips are efficiently and effectively removed from the cutting zone, the company says. Spiral chip augers located in the front and rear of the worktable are designed to quickly and efficiently evacuate chips and coolant from the machining zone and into a standard lift-up chip conveyor (LUCC).
 
Professional P control software is configured to support a variety of applications in the job shop and production environment. 
 

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