DN Solutions HM-6300
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The DN Solutions HM-6300 is a 630 mm pallet horizontal machining center designed for high-productivity 4-face machining of medium-to-large prismatic parts in production environments. The 630 mm pallet class is the most common large-format HMC configuration in industrial manufacturing, providing the work envelope to handle automotive powertrain components, hydraulic manifolds, gear housings, and structural brackets that dominate production machining workloads. The HM-6300 competes in a demanding segment against the Mazak HCN 6800, Okuma MA-600H, Makino a61nx, and DMG Mori NHX 6300.
The machine features X/Y/Z travels of 800 x 800 x 900 mm around the 630 mm square pallet, which supports workpiece loads up to 1,000 kg (2,205 lb). The B-axis rotary table provides 1-degree indexing as standard with 0.001-degree optional resolution for angular features. This 4-face access — rotating the pallet 90 degrees between operations — is the defining productivity advantage of horizontal machining centers, allowing the machine to complete multiple faces without re-fixturing.
The 50-taper (CAT 50 / BT 50) spindle runs at 8,000 RPM with 37 kW (50 hp) and 600 Nm (443 ft-lb) of continuous torque, suited for aggressive steel and cast iron cutting with large-diameter indexable tools. Optional spindle configurations include 12,000 RPM for aluminum-intensive applications. A 60-tool ATC is standard with options up to 120 tools, providing adequate tool capacity for complex multi-face programs without mid-program tool changes. Chip-to-chip time is approximately 5-6 seconds.
The column-moving (traveling column) design keeps the pallet and workpiece stationary on the linear axes — a design choice that ensures consistent workpiece dynamics regardless of spindle position. Thermal compensation corrects for headstock and column heat expansion throughout production shifts. The Fanuc 31i-B control with full conversational and G-code programming is standard. Twin-pallet systems are the default configuration, with additional pallet pool expansions available for extended automation. HM-6300 pricing ranges from $600,000 to $900,000 depending on pallet count, tool magazine, automation, and accessory configuration.
Full Specifications
| Parameter | Value |
|---|---|
| Pallet Size | 630 x 630 mm (24.8 x 24.8 in) |
| Max Workpiece Weight | 2,645 |
| X-Axis Travel | 800 mm (31.5 in) |
| Y-Axis Travel | 800 mm (31.5 in) |
| Z-Axis Travel | 900 mm (35.4 in) |
| B Axis Indexing | 1° standard (0.001° optional) |
| Max Spindle Speed | 8,000 RPM (12,000 optional) |
| Spindle Taper | CAT 50 / BT 50 |
| Spindle Motor Power | 37 kW (50 hp) |
| Spindle Torque | 600 Nm (443 ft-lb) continuous |
| Tool Capacity | 60 tools (120 optional) |
| Pallet Configuration | Twin-pallet standard (expandable) |
| Rapid Traverse Xyz | 40 m/min (1,575 ipm) |
| CNC Control | Fanuc 31i-B |
| Machine Weight | 28,000 kg (61,729 lb) approx. |
| Machine Type | Machining Center |
| Num Of Axes | 3 |
| Operation Type | CNC |
| Cnc Brand | Fanuc 31i-A |
| Table Size L X W | 24.800(L) x 24.800(W) |
| Support Index Table | Standard |
| Support Rotary Table | Optional |
| Direction | Horizontal |
| Taper | # 50 |
| Top Rpm | 6,000 |
| Top Rpm Opt | 8,000 |
| Hp | 35.00 |
| Tool Carrier | ATC |
| Num Tools | 40 |
| Num Tools Opt | 324 |
| Tool Change Time | 2.50 |
| Tool Change Chip Time | 8.50 |
| Num Axes | 3 |
| U Axis | None |
| X1 | 39.400" |
| Y1 | 31.500" |
| Z1 | 33.500" |
Specifications sourced from techspex.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 630 mm pallet with 1,000 kg load capacity and 800 mm cubed work envelope covers the majority of production machined parts in automotive, hydraulics, and heavy equipment
- 4-face access via B-axis indexing eliminates multiple setups for prismatic parts with features on all faces — typically saving 2-4 setups versus VMC approaches
- 37 kW / 600 Nm spindle torque enables aggressive roughing of steel and cast iron with large-diameter indexable cutters that horizontal machine rigidity makes practical
- Twin-pallet configuration standard means setup and machining can proceed simultaneously, improving spindle utilization without additional operator time
Limitations
- $600,000-$900,000 investment requires high spindle utilization and consistent part volume to justify — job shops with highly variable part mix may struggle to realize ROI
- 8,000 RPM standard spindle is optimized for steel and cast iron; shops with high aluminum content need the 12,000 RPM option for efficient surface speeds
- HMC programming, fixturing, and operations are more complex than VMC equivalents — shops transitioning to horizontal machining need additional training investment
Best For
Frequently Asked Questions
01
Horizontal machining centers provide 4-face access via pallet rotation, better chip evacuation (chips fall away from the work by gravity rather than onto it), and twin-pallet configurations that enable simultaneous setup and machining. For prismatic parts needing 3-5 faces machined, an HMC can typically complete the part in 1-2 setups versus 3-5 setups on a VMC, dramatically reducing cycle time and fixturing cost. The HMC's spindle utilization rate is also consistently higher than VMC equivalents on production work.
02
The maximum workpiece height is determined by the Y-axis travel of 800 mm minus fixture height. For a typical tombstone fixture that is 200-300 mm tall, workpiece heights up to 500-600 mm are practical. The 630 mm pallet defines the maximum footprint; taller workpieces are accommodated by configuring shorter, lower-profile fixtures.
03
The Mazak HCN 6800 is a 630 mm pallet competitor with Mazak's SmoothG control and extensive North American dealer support. The HM-6300 offers comparable specifications with competitive pricing, typically $100,000-$200,000 below the Mazak equivalent. Mazak's advantage is the stronger service network and deeper applications expertise; DN Solutions' advantage is value and the Fanuc control's broad compatibility. For shops with Mazak relationships, the HCN 6800 is a natural fit; new buyers comparing on specifications alone will find the HM-6300 compelling.
04
The HM-6300 standard configuration includes a twin-pallet changer. DN Solutions offers pallet pool expansions to 4, 6, 8, and larger pallet counts for FMS (Flexible Manufacturing System) configurations. Larger pallet pools enable extended unattended operation where pallets with different part setups are queued and machined automatically. Pallet pool systems require additional floor space and control integration.
05
Yes. The 37 kW spindle and CAT 50 rigidity of the HM-6300 make it capable of titanium roughing and semi-finishing. Through-spindle coolant at high pressure (70+ bar) is essential for titanium chip evacuation and tool cooling. The horizontal orientation is particularly beneficial for titanium — chips fall clear of the work zone rather than piling on the workpiece surface, reducing re-cutting and tool wear. A high-torque / lower-RPM spindle configuration is preferred for titanium over the standard 8,000 RPM option.
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