DN Solutions PUMA 2600 YB II
Key Specifications
Spindle Power
Max Turn Length
chuck size
max turning diameter
x axis travel
y axis travel
Overview
The DN Solutions PUMA 2600 YB II is the big-bore Y-axis turning center without a sub-spindle — a 12-inch chuck machine with Y-axis milling for shops that need more clamping capacity and torque than the standard 10-inch Y II offers. The B designation means big bore: a larger chuck, larger spindle bore, and significantly more torque.
The main spindle delivers 26 kW (35 hp) with 1,123 Nm (828 ft-lb) of torque at up to 2,800 RPM through a 12-inch chuck. That is nearly double the torque of the 10-inch Y II (1,123 vs 599 Nm), giving you serious muscle for heavy roughing in tough materials. Max turning diameter is 376 mm (15 in) with 725 mm (28.5 in) of turning length.
The Y-axis provides 105 mm (4.1 in) of off-center travel for milling operations. Combined with C-axis and 5,000 RPM live tools on the 12-station turret, you can mill flats, cut keyways, and drill off-center holes on heavier workpieces. X-axis travel is 260 mm (10.2 in) and Z-axis gives you 830 mm (32.7 in), with 30 m/min rapids on both axes.
Without the sub-spindle, the YB II is less complex and less expensive than the SYB II. At 6,200 kg (13,669 lb), it carries plenty of mass for vibration damping on heavy interrupted cuts. The FANUC 0i-TF Plus control is standard.
The YB II fills a specific niche: shops that need a 12-inch chuck with Y-axis milling but do not require backworking capability. If your parts are chucked from one end with off-center features, this machine gives you the clamping force and torque to handle them efficiently without paying the premium for a sub-spindle you will not use.
Full Specifications
| Parameter | Value |
|---|---|
| Chuck Size | 12 inch |
| Max Turning Diameter | 376 mm |
| Max Turning Length | 725 mm |
| X Axis Travel | 260 mm (10.2 in) |
| Y Axis Travel | 105 mm (4.1 in) |
| Z Axis Travel | 830 mm (32.7 in) |
| X Axis Rapid Traverse | 30 m/min (1,181 ipm) |
| Z Axis Rapid Traverse | 30 m/min (1,181 ipm) |
| Max Spindle Speed | Max. Spindle Power |
| Spindle Motor Power | 26 kW (35 hp) |
| Spindle Torque | 1,123 Nm (828 ft-lb) |
| Turret Stations | 12-station turret |
| Rotary Tool Speed | 5,000 RPM |
| Machine Length | 3,873 mm (152 in) |
| Machine Width | 1,945 mm (77 in) |
| Machine Height | 2,163 mm (85 in) |
| Machine Weight | 6,200 kg (13,669 lb) |
| CNC Control | FANUC 0i-TF Plus |
| Metric | IMPERIAL |
| Capacity | Chuck sizeMax. Turning DiameterMax. Turning Length |
| Travels | X-Axis Rapid TraverseZ-Axis Rapid TraverseX-Axis Travel DistanceY-Axis Travel DistanceZ-Axis Travel Distance |
| Main Spindle | Max. Spindle SpeedMax. Spindle PowerMax. Spindle Torque |
| Sub Spindle | Max. Spindle SpeedMax. Spindle Power |
| Turret | No. of tool stationRotary Tool r/min |
| No Of Tool Station | Rotary Tool r/min |
| Dimensions | LengthHeightWidthWeight |
| Favorites | PUMA 3100LSY |
| 6000 R Min | 15 kW |
| 6000 Rpm | 20 hp |
| 12 Ea | 5000 RPM |
| 4500 R Min | 7.5 kW |
| 4500 Rpm | 10 hp |
| 4000 R Min | 30 N·m |
| 4000 Rpm | 22 ft-lb |
Specifications sourced from dn-solutions.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 1,123 Nm of torque handles the heaviest roughing in steel, stainless, and alloy materials
- 12-inch chuck provides maximum clamping force for larger-diameter workpieces
- Y-axis with 105 mm travel enables off-center milling without secondary VMC setups
- Lower cost than the SYB II by omitting the sub-spindle
- 26 kW (35 hp) spindle power supports aggressive material removal
- 6,200 kg mass delivers excellent vibration damping on interrupted cuts
Limitations
- No sub-spindle — backworking requires manual rechucking or a separate operation
- 2,800 RPM spindle speed limits surface footage on smaller diameters and aluminum
- 725 mm turning length is shorter than the 10-inch Y II's 760 mm
- Heavier and larger footprint than the standard 10-inch Y II
Best For
Frequently Asked Questions
01
The SYB II adds a 4,500 RPM, 7.5 kW sub-spindle for backworking operations. Both share the same main spindle (26 kW, 1,123 Nm, 2,800 RPM), Y-axis (105 mm), and live tooling (5,000 RPM). If your parts need B-side work, get the SYB II. Otherwise the YB II saves you money.
02
The YB II has a 12-inch chuck (vs 10-inch), 88% more torque (1,123 vs 599 Nm), and more spindle power (26 vs 22 kW). The trade-off is lower spindle speed (2,800 vs 4,000 RPM) and slightly shorter turning length (725 vs 760 mm). Choose the YB for heavier parts and tougher materials.
03
The 12-inch chuck with big-bore spindle accommodates larger bar stock than the 10-inch variants. Exact bore diameter depends on configuration — check with your DN Solutions dealer. Bar feeder integration is a standard option for production environments.
04
For parts in the 12-inch chuck range made from steel, stainless, and alloys, 2,800 RPM provides adequate surface speed. It only becomes limiting on very small diameters or high-speed aluminum work, which is not the typical application for a 12-inch chuck machine.
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