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HORIZONTAL MACHINING CENTERS


Second-generation NHX 4000 and NHX 5000 HMCs from DMG MORI feature 15,000-rpm spindles and CELOS with MAPPS V connectivity.


Stepping Up to Productive HMC Machining


HMC DNA is found in its structural bones, controls, automation


Jim Lorincz Senior Editor


Y 52 AdvancedManufacturing.org | July 2016


ou’ll know when you are ready to step up to horizontal machining centers from vertical machining centers. Your mix of parts will be more complex and prismatic, pro- duction runs longer, and the possibility of automation


more attractive. After all, that’s what horizontal machining centers are good at, machining multi-sided parts that may or may not require a lot of part handling and doing it with signifi cantly bet- ter spindle utilization on four and fi ve-axis machining platforms. Because there is a higher cost of entry, HMCs should be evalu- ated on total life-cycle cost basis when compared with VMCs as well as their automation. HMCs lend themselves to untended operation with a choice of automating systems ranging from pallet pools of tombstone-mounted parts, pedestal-mounted and rail-guided robots, to FMS systems that deliver workpieces as needed according to fl exible production schedules. Table loads can handle just about anything that automotive, general engi- neering, heavy machining, and specialty machining can throw at them. Here’s a selection of how HMCs are doing it.


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