Arbitrary Speed Threading Option for CNC Turning Centers
FANUC America’s 0i-TD and 0i Mate-TD CNCs for new turning centers now feature an arbitrary speed threading option.
FANUC America’s 0i-TD and 0i Mate-TD CNCs for new turning centers now feature an arbitrary speed threading option. The option enables the operator to adjust the spindle speed during thread cutting, and provides the functionality to rethread or repair existing threads. According to FANUC, the option is well-suited for the oil and gas industry, where threading large-diameter or long workpieces and pipe rethreading or repair is common.
Arbitrary speed threading enables the operator to adjust the spindle speed during a threading cycle to eliminate vibration and chatter. Without this functionality, the spindle speed override is inhibited during threading to prevent damage to the workpiece and changes in lead thread. However, FANUC’s arbitrary speed threading function ensures that the cutting tool remains coordinated with the spindle speed at all times during threading to produce the programmed lead. The function can be used with constant lead threading, threading cycle and multiple threading cycle, and the same thread shape can be machined even if the spindle speed is changed between roughing and finishing passes. Cs contour control is required for this function.
Arbitrary speed threading also provides the functionality to pick up and repair an existing thread through FANUC's Manual Guide i conversational programming. The interface asks the user to answer simple questions via graphical screens to generate a suitable thread repair program.
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