DMG Mori Horizontal Machining Centers (HMC)

DMG Mori NH 4000 DCG

$480,000 – $700,000 Updated 2026-03-17

Key Specifications

Spindle Taper

HSK-A63

pallet size mm

400 × 400

X axis travel mm

560

Y axis travel mm

640

Z axis travel mm

640

max workpiece diameter mm

630

Overview

The DMG Mori NH 4000 DCG is a high-speed horizontal machining center built around DMG Mori's DCG (Driven at the Center of Gravity) technology, which positions the axis drive forces at the center of mass of each moving component. This design eliminates the rotational moments that cause vibration in conventionally driven axes, enabling higher acceleration rates and better surface finish without sacrificing cutting stability.

Designed for high-volume production of precision prismatic components, the NH 4000 DCG accommodates workpieces up to 630 mm in diameter on its pallet and handles a wide range of materials from aluminum to hardened steel. The horizontal spindle orientation facilitates gravity-assisted chip evacuation, keeping the cutting zone clear during long unattended production runs — a key advantage for automotive and aerospace production cells.

The machine's 14,000 rpm spindle delivers high material removal rates, and the dual pallet changer allows loading of the next workpiece while the machine is cutting, maximizing spindle utilization. The NH 4000 DCG is engineered to integrate into flexible manufacturing systems with multiple pallets and robotics, and its compact footprint supports dense cell layouts.

Controlled via CELOS with Fanuc or Mitsubishi option for production environments, the NH 4000 DCG is a direct competitor to the Mazak HCN-5000 and Okuma MA-500HII in the 400/500 mm pallet horizontal machining segment, where cycle time, spindle uptime, and long-term volumetric accuracy are the decisive buying criteria.

Full Specifications

Parameter	Value
Pallet Size Mm	400 × 400
X Axis Travel Mm	560
Y Axis Travel Mm	640
Z Axis Travel Mm	640
Max Workpiece Diameter Mm	630
Max Workpiece Height Mm	900
Max Pallet Load Kg	300
Spindle Speed Rpm	14000
Spindle Power KW	22
Spindle Torque Nm	150
Spindle Taper	HSK-A63
Rapid Traverse M Min	60
Tool Storage Capacity	40
Max Tool Diameter Mm	125
Max Tool Length Mm	400
Max Tool Weight Kg	15
Pallet Change Time Sec	9
Positioning Accuracy Mm	0.004
Repeatability Mm	0.003
Drive Technology	DCG (Driven at the Center of Gravity)
CNC Control	CELOS (Fanuc / Mitsubishi)
Machine Weight Kg	18000
Developer	Apple
Popularity	4.2\|3419Votes
22 In	560 mm
25 In	630 mm
35 In	900 mm
882 Lbs	400 kg

Specifications sourced from en.dmgmori.com — verified 2026-03-28

Strengths & Limitations

Strengths

DCG drive technology enables high acceleration with minimal vibration for superior surface finish
Horizontal orientation with dual pallet changer maximizes spindle utilization in production cells
Gravity-assisted chip evacuation keeps the cutting zone clear during long unmanned runs
Compact footprint supports dense flexible manufacturing system layouts

Limitations

400 mm pallet size limits workpiece dimensions compared to 500 or 630 mm pallet HMCs
Higher acquisition and integration cost than a comparable vertical machining center
Fanuc/Mitsubishi control preference means CELOS app features are secondary to production-focused UI

Best For

High-volume automotive component production including transmission housings and engine blocks Aerospace bracket and structural part production requiring consistent unmanned operation Job shops running flexible manufacturing cells with pallet pool systems

Frequently Asked Questions

01 What is DCG technology and how does it improve machining performance?

DCG (Driven at the Center of Gravity) positions the drive force application point at the center of mass of each moving axis component. This eliminates the rotational inertia forces that cause vibration and micro-positioning error in conventionally driven axes, allowing the NH 4000 DCG to accelerate faster and achieve better surface finish without vibration-induced tool marks.

02 What pallet size does the NH 4000 DCG use?

The NH 4000 DCG uses a 400 × 400 mm pallet with a 300 kg maximum load capacity. It features a dual automatic pallet changer (APC) with a 9-second pallet change time, enabling continuous production by loading the next workpiece while the current one is being machined.

03 How does the NH 4000 DCG integrate into a flexible manufacturing system?

The NH 4000 DCG is designed with standardized pallet interfaces compatible with DMG Mori's PH series pallet pool systems and third-party FMS solutions. Multiple machines can share a common pallet pool managed by a cell controller, enabling lights-out production of mixed workpieces across shifts.