MACHINES

Executive Summary

Two of the most common challenges to milling productivity are tool/workpiece chatter and tool wear. The challenge for process engineers is to select the proper machining parameters to minimize both chatter and tool wear for the most efficient production of accurate parts.

This presentation describes modeling/simulation processes that generate stability lobe diagrams to identify the most efficient spindle speeds and axial depths for specific applications and avoid costly, time-consuming trial-and-error adjustments to machining parameters. For titanium machining, where surface speed is limited by tool wear, stability lobe diagrams can be used to maximize spindle speeds, which can increase the chatter-free axial depth of cut to maximize productivity while preventing unnecessary tool wear.

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Executive Summary

Makino Products Address the Unique Needs of the Titanium Market
This presentation details four machining options, in addition to the T-Series, that Makino offers to address the unique needs of the titanium market.

The “M” package for a/A series machining centers is ideal for aerospace and other hard metal applications and offers the M-spindle, an HSK-100, 50-taper, high torque spindle; rigid design; 3 point support bed; roller type LG and high thrust ball screws.

The second option is the D500 5-axis vertical machining center. With sustained dynamic accuracy, high-performance, high-thrust capacity DD motors, three spindle options and ease of automation, the D500 is also a good option for titanium, especially titanium turbo industry parts where full 5-axis machining is needed. It also offers rigid, robust castings that are designed to ensure thermal stability and accuracy.

Makino is also rethinking the EDM process, opening it up to traditional aerospace applications with the DUO43 wire EDM which offers the advantage of wire consumption savings and performance in speed cutting and the EDGE3 sinker EDM which boosts performance by up to 80 percent, offering much faster burn rates.

Dave Ward, Horizontal Product Manager, Makino

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Executive Summary

Every manufacturer has different constraints and every part has different features that impact machining capabilities. To break through past limitations of low metal removal and limited tool life, Makino has developed ADVANTiGE, a series of five technologies designed for improved spindle performance, coolant delivery, vibration damping, machine rigidity and cutting strategies.

This presentation demonstrates the meaning of how ADVANTiGE technology achieves four times the productivity and double the tool life in titanium production. By examining typical and expected metal removal rates, cycle times and tool life for conventional machining centers, and then providing a brief series of sample parts machined on the Makino T4 five-axis horizontal machining center, Makino clearly conveys the benefits of ADVANTiGE technology.

Mark Larson, Titanium R&D Team Leader, Makino

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