SHOP SOLUTIONS
functions as postprocessors, machine simulation, NC code, and control functionality.
While the Siemens 840D sl control has evolved in signifi- cant ways over the years, Hetzler said these changes have served only to accelerate the perfor- mance of the programmers and opera- tors, rather than impede them with new and different procedures. The control platform has also given Smiths the freedom to create custom cycles that can be copied and shared from control to control and machine to machine. “I’ll give you an example,” said
Hetzler. “To catch occasional entry er- rors on the tool management side, we created a cycle that checks the length of the tool and within a specific tolerance. So within a matter of milliseconds, the control compares that value to what was entered in the tool management side. If the tolerance is exceeded by 2 mm, the control immediately stops the machine.” Another advantage resulting out of the DMG Mori and Siemens relationship is the continued simplification of com- plex cutting operations, especially in the area of angular milling heads. “Siemens has come a very long way to improve the cycles and support related to milling heads,” Hetzler said. “Aerospace requires a lot more use of angular milling. Even a five-axis approach can’t do it. You need an angular milling head. I would put this on the top of my list of the advantages DMG Mori and Siemens have developed. And this relates to another important development, Siemens NX.” Siemens NX software integrates CAD, CAE, and CAM for faster part manufacturing, encompassing all areas of tooling, machining, and quality inspection. NX has become integral to Smiths Machine’s CNC platform be- cause it supports part planning through manufacturing, with prevention of errors and related costs.
“Our ability to develop all of our own postprocessors in house is supported by Siemens NX,” Hetzler said. “We set up our angular milling heads in NX, so we can post the G- code before we even send it out to the machine.”
Expand Your Clamping Action With The All-New
Modular Series From Tiny Vise®
Up to three spacers can be inserted to provide adjustment of up to 3/16 of an inch!
The modular jaw assembly is held together securely by a tough, durable O-ring, recessed in a protective groove.
PATENT PENDING
Other variations of the Tiny Vise® include standard; double edge, for clamping two workpieces at the same time; v jaw, for clamping round workpieces; and double v jaw.
Visit our online catalog to see the many varieties. 314.647.6200 |
www.carrlane.com April 2016 |
AdvancedManufacturing.org 45
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