Numerical controller for automatic axial feed

Details Numerical controller for automatic axial feed Numerical controller for automatic axial feed

1997-07-16

2000-02-22

Grant, William

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

700146, 700170, 408 3, G06F 1900, G06G 766

Patent

active

060290986

ABSTRACT:
A numerical controller controls a machine tool to achieve a tapping operation with high accuracy and satisfactory quality without being constrained by a set axial feed distance and a specified axial feed speed. An analyzing unit (4B) calculates a minimum axial feed distance (L.sub.min) necessary for securing a constant machining program set in an input unit (7). A speed pattern adjusting unit (4C) modifies the axial feed speed pattern so that the constant speed time (T) can be secured. An(??) distributing unit (4A) determines drive instructions for a synchronous tapping operation. A drive control unit (5) gives the drive instructions to servomotors included in a driving unit (3).

REFERENCES:
patent: 5538369 (1996-07-01), Okuda

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