Delcamrsquos new release has post processors and machine simulation files ldquofor virtually every machine model ever builtrdquo

Delcam’s new release has post processors and machine simulation files “for virtually every machine model ever built”

IMTS 2012: Powerful Multi-Axis Milling in PartMaker v.2013

New high-end milling functionality: Advanced Surface Machining module 5-axis simultaneous milling functionality to CNC milling centers Patent-pending area-clearance strategy, for maximum use of solid-carbide tooling Toolpaths have a controlled engagement angle, so tools are not overloaded

PartMaker Inc., a Delcam Plc division, will unveil its next version of PartMaker software for programming CNC mills, lathes, wireEDM, mill-turn centers, and Swiss-type lathes at IMTS.  Among a number of other enhancements, this new version will feature a fully revamped surface machining module that will give PartMaker users some of the most powerful CAM machining algorithms on the market today for three-, four- and five-axis simultaneous milling operations on a variety of machining platforms, including CNC mills, turn-mill centers, bar-fed mills and Swiss-type lathes.

PartMaker pioneered CAM software for multi-axis mill-turn centers and Swiss-type lathes.  The software has a range of post processors and machine simulation files for virtually every machine model ever built, from numerous builders. PartMaker’s technology for automating the programming of multi-axis mill-turn centers and Swiss-type lathes is protected by two U.S. patents.

“PartMaker Version 2013 proves that power and ease of use don’t have to be trade-offs users have to make with their CAM system,” stated PartMaker Inc. division President Hanan Fishman.  “With a host of new, advanced milling strategies, PartMaker Version 2013 offers its users perhaps the most comprehensive and powerful CAM system on the market today for the full spectrum of production machining applications, all while maintaining the software’s hallmark, industry-leading ease of use.

"PartMaker’s new Advanced Surface Machining (ASM) functionality is based on the same technology and algorithms underpinning Delcam’s PowerMILL, the leading CAM system on the market for the manufacture of complex shapes," Fishman continued. “The new functionality being offered in PartMaker’s ASM answers the needs of our customers making ever increasingly more complicated parts, particularly for those in the medical device and aerospace arena. 

“Also, machine tools are becoming more complex, with 5-axis simultaneous milling now even becoming available on a number of Swiss-type lathes,” he said.

The new high-end milling functionality available in PartMaker Version 2013 will be known as the Advanced Surface Machining module, or ASM for short.  ASM will replace PartMaker’s Surface Machining Wizard (SMW) module for three-, four- and five-axis machining. 

The ASM module will allow for faster tool path calculation, greater tool control and improved surface finishes, among other benefits. Also, it will feature a variety of high-end milling strategies that can be applied across the entire suite of PartMaker CAM applications, including PartMaker Mill, PartMaker Turn-Mill, and PartMaker SwissCAM.  The surface machining strategies in ASM are the same as those found in PowerMILL — Delcam’s CAM system for manufacturing complex shapes.  Each strategy provides for full tool control so they can be used in either traditional three-axis methods or up to five-axis simultaneous machining methods, depending on a machine tool’s capability.

The advent of ASM extends PartMaker’s five-axis simultaneous milling functionality to CNC milling centers, making PartMaker an effective CNC programming solution for production-oriented manufacturers — milling, turning, wire EDM, Turn-Mill and Swiss— with one programming platform. 

PartMaker 2013 will feature Delcam’s new Vortex High Speed Machining Strategies (as part of ASM.) The Vortex area-clearance strategy (patent pending) was developed by Delcam specifically to gain the maximum benefit from solid-carbide tooling, in particular those designs that can give deeper cuts by using the full flute length as the cutting surface. It can be used for 2.5 and 3-axis roughing, 3+2-axis area clearance and for rest machining.

Like other Delcam roughing strategies, Vortex toolpaths are calculated to give more efficient machining by following the shape of the part and by keeping air moves to a minimum. This is important for rest machining operations. One fundamental problem with conventional area-clearance strategies is that the optimum cutting conditions only occur during a straight-line cut. Any internal corners within the model significantly increase the engagement angle of the cutter. To protect the cutter, this increase needs to be balanced by setting a lower feed rate. The user then has the choice of using this lower rate over the whole toolpath, which increases the machining time, or varying the feeds and speeds as the cutter moves around the model and so increasing wear on the cutter.

Unlike other high-speed roughing techniques that aim to maintain a constant theoretical metal-removal rate, the Vortex strategy produces toolpaths with a controlled engagement angle for the complete operation. This maintains the optimum cutting conditions for the entire toolpath that would normally be possible only for the straight-line moves. As a result, the cutting time will be shorter, while cutting will be undertaken at a more consistent volume-removal rate and feed rate, so protecting the machine.

Because Vortex toolpaths have a controlled engagement angle, tools will never be overloaded and so will achieve the maximum tool life. Shock loading caused by changes in the contact angle is minimized, preventing chipping of the flutes. In addition, the stability of the cutting conditions gives more consistent edge temperatures, so prolonging the life of the tool coating and removing heat damage to the surface of the part. Finally, the ability to use stepdowns of up to two, or even three times, the tool diameter spreads the tool wear evenly over the cutting surface of the tool, again contributing to longer tool life.

PartMaker is a knowledge-based machining system, allowing it to provide a substantial gain in programming efficiency by remembering the tools, material, and process information necessary to machine individual part features. Thus, it relieves the user from reentering the same information for subsequent parts.  It also improves productivity by placing the emphasis on tool management functions.

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