DP Technology Now Shipping ESPRIT 2013

Computer-aided manufacturing (CAM) industry leader DP Technology Corp. is now shipping ESPRIT® 2013, the latest version of its flagship software, designed to program today’s multi-spindle, multi-turret mill-turn and Swiss-turn machine tools.

ESPRIT 2013 includes new productivity-enhancing technology for all CNC programmers and for all machining disciplines. This latest version focuses on providing new and enhanced machining technology that ensures smarter, more efficient toolpath and new strategies for greater overall productivity.

Featuring functionality that emphasizes higher cutting speeds, longer tool life and suitability to increasingly complex geometry, ESPRIT 2013 is comprehensive in its ability to handle today’s most advanced machine tools and demanding machining applications.

New ProfitMilling Pocketing

Experience better CAM programming with ProfitMilling, a smart and efficient toolpath that puts greater profit in your pocket. New to ESPRIT 2013, the patent-pending ProfitMilling strategy for 2-, 3- and 5-axis roughing cycles allows customers to remove more material in a shorter period of time. Using highly advanced technology, the ProfitMilling strategy optimizes engagement angle, chip load, material removal rate (MRR), lateral cutter force and machine acceleration to achieve optimal results.

This innovative machining cycle represents the “best of both worlds” by utilizing trochoidal tool motion and a traditional offset of the toolpath, allowing usage of the full tool flute length.

“Our tests have shown that ProfitMilling typically reduces cycle time by 70 percent, minimizes programming time, reduces energy consumption, and increases tool life by an average of 500 percent,” said ESPRIT Product Manager Kenyon Whetsell. “We’ve seen the most dramatic benefits in using the ProfitMilling strategies with light to medium-duty machine tools.”

Trochoidal tool motion pattern has been improved in ESPRIT 2013 to take you even faster through your cuts.

Improvements include an optimized trochoidal strategy to reduce cycle time and additional tool lifts during transitional moves to reduce tool drag.

New Improvements to Lathe Grooving

ESPRIT 2013 offers new options for cutting grooves faster and more efficiently by taking advantage of the latest technology in grooving inserts. Among these upgrades is a new plunge setting added to the plunge turning (zigzag) cycle. Using a pre-plunge along walls reduces the tool load against walls and cuts wide grooves faster.

Also added is a lateral feed-rate setting that provides customers with more control and an option to perform extra-plunge along a profile to deliver fewer scallops for the finish pass. Also new in ESPRIT 2013 are two new strategies for the “Diagonal Zigzag” groove type: “Thin-to-Thick Chip” for a progressive engagement of the tool and “Thick-to-Thin Chip” that is particularly suited to ceramic inserts. It generates rapid metal removal without vibration, as well as improved finish and prolonged tool life.

Engraving

ESPRIT 2013 offers a completely new editable and customizable engraving machining cycle that allows customers to use “True Type” fonts, single-stroke fonts or features of the part geometry. In addition to more conventional contouring and pocketing machining strategies, the ESPRIT 2013 engraving cycle introduces an available V- carving strategy. V-carving is dedicated to the usage of engraving tools with tapered ends. This strategy, specific for use with tapered engraving tools, offers benefits that include more accurate and aesthetic designs, the ability to machine sharp corners, and reduced cycle time.

Advancements to 3- and 5-axis ESPRIT FreeForm Cycles

A new 5-Axis Roughing Cycle has been designed to quickly and easily rough a 5-axis part using the same familiar technology used to rough a 3-axis part, including the new ProfitMilling pattern. The 5-Axis roughing cycle automatically adjusts the orientation of any tool shape (end mill, ball mill, bull-nose mill) to keep the tool perpendicular to the underlying surface, thereby eliminating undercuts.

Also new to ESPRIT 2013 is a 5-Axis Port Machining Cycle dedicated to machining cylindrical apertures and devised to cut as deeply as possible into a port while containing tool swings. This cycle is aided by an automatic recalculation of tool points along a spine curve.

ESPRIT 2013 features improvements for all 5-axis cycles, including the new, patent-pending 5-axis channel-roughing cycle. By directly selecting channel walls without creating complicated features, machining channels between thin blades is faster and easier than ever before; simply select the walls on either side of the channel, set the incremental depth and go. Another important enhancement is the ability to generate multi-level cuts by input of an incremental depth of cut.

Improvements to the 5-Axis Blade Machining Cycle include the ability to optimally machine a single blade from one end to the other. A new hub-blending option eliminates unwanted interruptions in the cut that occur when the tool reaches the end of the blade and comes into contact with the hub surface.

Additionally, the Impeller Machining Cycle now includes built-in remachining, which allows for the complete machining of an impeller without concern for tool dimensions. The impeller cycle allows customers to machine as far as possible using the current tool before automatically stopping at the first unreachable level. The system retains the maximum depth increment machined, which is then used to start the next roughing remachining. This flexible method allows multiple remachinings with decreasing tool sizes. The impeller cycle offers additional control over the tool orientation to avoid undesired table swing.

Built-in Collision Avoidance in Multi-Axis Milling

In ESPRIT 2013, new collision-detection strategies have been added to all 3-axis and 5-axis milling operations, which detect collisions while toolpath is being calculated instead of during the simulation process. ESPRIT can be instructed to recommend the minimal tool length to avoid collision, or to automatically trim away the colliding toolpath and reconnect with appropriate links.

New Geometry for Multi-Axis Machining

The machining of engine ports and turbine blades requires precise control of tool motion, and ESPRIT 2013 makes the task easier than ever before with new curves and surfaces to guide the tool.

A major enhancement unique to ESPRIT 2013 is a new “Mid Surface” function added to the Knitted Surfaces toolbar.

The new “Mid Surface” function is perfect for blade machining, where it serves two purposes: allowing for the calculation of toolpath from a single source instead of multiple faces on the model, and controlling the orientation of the tool axis throughout the cut, rather than on individual surfaces of the blade.

The new “Spine Curve” option creates a curve along the centers of radial surfaces and is ideal for port machining, as it allows programmers to guide the tool as far as possible into the opening.

The “Curve From Surface” command has been enhanced in ESPRIT 2013 with a new option to create either a parametric curve or a spine curve.

New Improvements to Wrap Machining

“Wrap Pocketing” and “Wrap Contouring,” enhanced for ESPRIT 2013, now support the machining of non-cylindrical parts. In addition to wrapping a feature on a working diameter, a 3D feature chain may also be selected as an input, no longer necessitating “unwrapping” the feature. A distinct advantage over the legacy cycles, current wrap operations also offer the user the ability to apply a Y-axis offset in order to obtain the desired wall geometry.

For more information, visit: www.dptechnology.com/support/esprit2013.asp

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