Zone: CNC & Machine Controls

OVERVIEW: The CNC (computer numerical control) system of a machine tool includes the control unit itself, as well as less visible parts of the motion-control system such as the servomotors, drives and axis positioning devices. These components are part of any CNC machine tool, but they might be bought separately and retrofitted later on older machines that are upgraded or refurbished. Also part of the control system are sensors that may allow the control to make certain real-time decisions during unattended or lightly attended machining processes. These can include probes for measuring the position of the part or machined features, as well as monitoring systems for detecting the presence of the tool or the force that is being exerted in the cut.

Featured Zone Content

This part has taken eight setups

Move The Program Instead Of The Part

A complex five-axis part with hard-to-reach datums is machined in two setups instead of eight, thanks to a process that rewrites the tool paths to match the part's position....MORE

closed loop machining

Accuracy Gain From Linear Encoders

If the position of a machine tool’s axis is measured using a rotary encoder, then potentially the ballscrew is being asked to perform two contradictory functions. The ballscrew both drives the axis into position and indicates that position—because the ballscrew lies in between the encoder and the moving element of the machine. Control technology supplier Heidenhain calls this “semiclosed-loop” operation. ...MORE

Getting in Touch with Optimal EDM Results

Makino’s Hyper i control for wire EDM uses touchscreen navigation in its user interface, which helps a basic user to match the productivity and capability of an experienced operator. ...MORE

What to Know about Torque Motors

Torque motors are commonly used in indexing tables on machine tools. This succinct article helps you evaluate this and other applications in which power transmission for rotation calls for the advantages of a torque motor. ...MORE

FANUC i-Model A motion controller

Motion Controller for Multi-Axis Applications

FANUC America’s Power Motion i-Model A motion controller for high-performance, multi-axis, general motion applications supports as many as 32 axes. ...MORE

Standardized CNC Improves Production of Power-Generation Equipment

Voith Hydro standardized the majority of its machines with a CNC platform from Siemens Industry Inc. to help machine a variety of large, complex parts. ...MORE

Siemens Run MyRobot technology package

Technology Package Optimizes Robot Loading/Unloading

Siemens’ Run MyRobot technology package facilitates high-speed workpiece and tool handling via robots. ...MORE

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