determine how many lines ahead it can look during the cut- ting process, he added.
For Siemens Sinumerik CNC users, the company’s
Top Surface contouring offers a better surface fi nish. “The functionality of MDynamics with Top Surface is a new option,” said Siemens’ Martinez. “We are getting independent of the CAM systems, thereby achieving the best surface quality.” The Top Surface option offers three
key features, he said, including surface quality enhancement that is improved with diagonal toolpaths for fi nishing. “[Quality is] signifi cantly enhanced during bi-directional milling thorough direction independent identical smooth- ing of the milling paths,” Martinez said. This feature offers users preset values for contour tolerance and orientation tolerance, and increased independence from calculation tolerances used in CAD/CAM. New friction compensation also allows smoother fi nishes. Velocity improvements also are gained, he added. “Due to the improved smoothing of the toolpath with Top Surface, the milling process tends to get smoother. … In certain cases, the reduction of machining times is possible when tolerances ≥10 mm are used.” Since it effectively uses larger tolerances; Top Surface keeps acceleration and jerk limits, he added, and in particular cases, the machine-specifi c dynamic parameters may be increased by the OEM in order to reach reduced machining times. Accuracy and precision are improved with Top Surface, making the new functionality “Smoothing” in Cycle 832 available, he said.
What CNC Operators Want In aerospace, the most common re- quest is data accessibility, noted Frank Nuqui, FANUC aerospace program
manager. “In general, data accessibility is relatively simple. The FANUC CNC has easy-to-use, well-defi ned interfaces that can work with any manufacturing system or OEE-style data analysis system.
See us at AERODEF Booth #731 February 2017 |
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