Heidenhain TNC 640 CNC Control Unit
Heidenhain TNC 640 is a contouring control for milling and grinding machines with advanced 3D simulation and conversational programming. Classified in 8537.10.91.30 for numerical machine tool control with integrated control panels and low voltage operation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for other numerical controlled machine tools
Plotter-style controls or specific measuring machine applications shift to Chapter 90.
If non-machine tool numerical controls
Other statistical categories for similar technology in different end-uses.
If photosensitive semiconductor controls
If specialized light-sensitive control functions dominate over standard numerical control.
Not sure which classification is right?
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Import Tips & Compliance
• Provide DIN rail compatibility specs and proof of 8535/8536 apparatus integration
• Declare precise model and software version; customs may request simulation capability details
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