Metal Cutting

Five-Axis Machining Centers

Five-Axis Machining Centers do not just move in the linear axes X, Y and Z. Instead, these machines also move in two rotary axes, often identified as A and B. The rotary axes tilt the tool with respect to the part. Physically, it can be either the tool that tilts or the part that tilts. Different machines accomplish the rotary motion in different ways. Some machines move the rotary axes only to position the tool or work outside of the cut. This is referred to as 3+2 machining. Moving the tool in this way dramatically increases the machining center’s access to features at different angles or on different faces of the part. A machine capable of 3+2 machining often can reach all of the machined features of the part in a single setup. True five-axis machining refers to the ability to not just position the tool along the rotary axes, but also to feed the tool through the cut using these axes. Interpolated combinations of A-axis, B-axis and linear axis motions can allow the tool to smoothly follow a contoured surface. This type of machining has long been important in the aerospace industry, where machined parts follow the aerodynamic forms of aircraft.

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Featured Zone Content

A Smooth Transition to Five-Axis Machining

A mold manufacturer that specializes in precision, thin-walled container molds chose an integrated approach to establishing an effective five-axis “3 + 2” machining process.

Tool Monitoring for Multitasking Machines

Continuously checking the condition of cutting tools and responding appropriately to wear or other changes is especially critical on machines designed to complete parts in a single setup or run several operation simultaneously.

The Big Step Up

A small shop added two new machines, each of which is more advanced than any of the previous machine tools the company has used. One of the co-owners committed to the work of bringing both of these machines fully into service. Here is the shop’s experience so far.

Enshu GE590H

December 2015 Product Spotlight Slideshow: Machining Centers

By: Jedd Cole
This month’s Modern Equipment Review Spotlight focuses on machining centers.

Five-Axis Machining for Multi-Part Processing

By: Peter Zelinski
Several parts at various orientations in one setup create what would seem to be a programming challenge, but control features make this cycle simple to create.

DMG MORI Lasertec 4300 hybrid

Hybrid Machining Center Intersperses Milling with Growing Parts

By: Edited by Jedd Cole
DMG MORI’s Lasertec 4300 3D hybrid machine incorporates additive-directed energy deposition (blown powder) into a five-axis turn-mill machining center with a working area of 600 × 1,500 mm.

Bertsche Dual P5 mill

Dual, Linked Five-Axis Mills Efficiently Cut Composites

By: Edited by Jedd Cole
The Bertsche Dual P5 mill comprises two independent, but linked, five-axis machining modules (A side and B side), each with separate machining chambers, enabling shops to machine two different parts at the same time while taking up the same overall size as the company’s single five-axis P5.

United Grinding Walter Ewag Laser Line Ultra

Five-Axis Machining Center with Laser Cuts CVD-Diamond Tooling

By: Edited by Jedd Cole
United Grinding has extended its line of Walter Ewag technologies for cutting tool production to include the Laser Line Ultra five-axis machining center that incorporates ultra-short pulse laser technology.

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