Metal Cutting

Horizontal Machining Centers (HMCs)
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A horizontal machining center (HMC) is a machining center with its spindle in a horizontal orientation. This machining center design favors uninterrupted production work. One reason for this is that the horizontal orientation encourages chips to fall away, so they don’t have to be cleared from the table. More significantly, the horizontal design allows a two-pallet workchanger to be incorporated into a space-efficient machine. To save time, work can be loaded on one pallet of an horizontal machining center while machining occurs on the other pallet.

Featured Zone Content

The Costs and Benefits of Horizontal Machining


The shift from vertical to horizontal machining was even more expensive than this shop anticipated. It was also more valuable. Most of the shop’s machining centers are HMCs now—here’s why.

Adopting a 24/7 Mindset


This shop considered a number of factors before establishing an effective process to run an HMC cell around the clock for applications in aerospace, oilfield and other industries.

A Production Line Takes Shape


Although Pointe Precision built its reputation on low-volume, high-complexity aerospace and medical parts, its expansive high-volume production line may be its biggest success to date. Sound decision-making and attention to details at every step are the keys to this success.



Mazak HCN-6800

Large-Part HMC Offers Quick Positioning at High Feed Rates

By: Jedd Cole
The Mazak HCN-6800 heavy-duty HMC is designed to deliver the power and versatility needed for productive and precise large-part machining.

Unisig UNI-50BTA

Drilling Machine Changes from BTA to Gundrill Tooling without Dismantling

By: Jedd Cole
Unisig has added the high-precision UNI-50BTA to its UNI series of deep-hole drilling machines.

MMS February 2016 cover

How to Increase Machining Efficiency through Machine Monitoring

By: Peter Zelinski
A manufacturer that is distinctive for its attention to in-cycle machining productivity describes its efforts to obtain efficiency improvements outside of the machining cycle. The shop’s primary tool is a simple, daily, graphical recap that illustrates when each machine tool was and was not making parts.

Enshu GE590H horizontal machining center

HMC Accurately Machines Large Parts

By: Jedd Cole
The GE590H, Enshu’s largest horizontal machining center, is designed for large-part applications that demand both high-volume metal removal as well as precision.

Methods Machine Tools KMH-300

Compact HMC Features Integrated Rotary B Axis

By: Jedd Cole
Methods Machine Tools offers the compact, direct-drive KMH-300 horizontal machining center as an addition to its Kiwa line.


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