PAMA Numerika
Key Specifications
X Travel
Y Travel
Z Travel
Spindle Taper
Tool Capacity
Table Size
Overview
The PAMA Numerika is a table-type CNC horizontal boring and milling center — PAMA's precision-oriented complement to the floor-type Speedram series. Where the Speedram targets the largest immovable workpieces, the Numerika uses a conventional CNC table that moves in X (longitudinal) beneath a column-mounted headstock, making it suitable for medium-to-large components that can be fixtured and repositioned on a table — aerospace structural components, gearbox cases, pump bodies, valve blocks, and precision mold bases.
The Numerika is offered with 90 mm, 110 mm, or 130 mm spindle diameters depending on the configuration. Table sizes range from 1,250 x 1,400 mm to 2,500 x 3,000 mm (configurable). X-axis (table longitudinal) travel is 2,000–5,000 mm; Y-axis (headstock vertical) is 1,500–3,000 mm; Z-axis (column in-out) is 1,000–2,000 mm; W-axis (ram quill) is 700 mm. Spindle speed reaches 3,500 RPM with 30–45 kW continuous power.
Being a table-type machine rather than floor-type, the Numerika achieves better thermal stability (the workpiece travels on a hardened and ground table with controlled geometry) and somewhat better positioning accuracy — ±0.004 mm full stroke ISO 230-2 — compared to large floor-type machines. CNC rotary table is integrated into the standard table design, providing the W, X, Y, Z, B axis configuration standard to modern boring mills.
The Numerika's target market spans the same industries as the Speedram but for workpieces in the 1,000–20,000 kg range: turbine blade carrier rings, aircraft structural forgings, large hydraulic manifold blocks, wind turbine gearbox housings, and precision mold bases for large injection molds. The Siemens 840D sl control is standard; FANUC 31i-B5 is optional.
Full Specifications
| Parameter | Value |
|---|---|
| Machine Type | Table-type CNC horizontal boring and milling center |
| Spindle Diameter | 90 mm / 110 mm / 130 mm (configuration-dependent) |
| Spindle Speed | 3,500 RPM (standard) / 4,000 RPM (high-speed option) |
| Spindle Motor Power | 30–45 kW (40–60 hp) continuous (configuration-dependent) |
| Spindle Torque | 6,000–12,000 Nm peak (configuration-dependent) |
| Spindle Taper | ISO 50 |
| Table Size | 1,250 x 1,400 mm to 2,500 x 3,000 mm (configurable) |
| Max Table Load | Up to 20,000 kg (44,092 lb) depending on table size |
| X-Axis Travel | 2,000–5,000 mm (79–197 in), configurable |
| Y-Axis Travel | 1,500–3,000 mm (59–118 in), configurable |
| Z-Axis Travel | 1,000–2,000 mm (39–79 in), configurable |
| Travel W | 700 mm (27.6 in) ram quill |
| B Axis | Full CNC rotary table, 0.001° resolution, ±200,000 Nm clamping torque |
| Rapid Traverse Rate | 15 m/min (590 ipm) X/Y/Z; 8 m/min W |
| Feed Rate | 1–5,000 mm/min |
| Positioning Accuracy | ±0.004 mm (±0.00016 in) full stroke (ISO 230-2) |
| Repeatability | ±0.002 mm (±0.00008 in) |
| Facing Head | Optional CNC facing head, U-axis ±175 mm |
| Tool Capacity | 60 (standard) / 120 (optional) |
| Tool Max Diameter | 450 mm |
| Tool Max Length | 900 mm |
| Tool Max Weight | 60 kg |
| CNC Control | Siemens 840D sl (standard) / FANUC 31i-B5 (option) |
| Machine Weight | Approximately 60,000–120,000 kg depending on configuration |
Strengths & Limitations
Strengths
- Table-type design provides better thermal stability and positioning accuracy (±0.004 mm) than floor-type boring mills at equivalent spindle size
- Integrated CNC rotary table (B-axis) is standard — enables 5-face machining in a single setup without the workpiece repositioning delays of floor-type machines
- Configuration flexibility in table size, travel, and spindle diameter allows the Numerika to be precisely matched to the workpiece and facility envelope
- Optional CNC facing head (U-axis) enables turning and facing operations on large flanges without a separate lathe setup
- Siemens 840D sl with PAMA application cycles provides sophisticated multi-axis programming support for complex multi-operation large part machining
- Table-type configuration simplifies workpiece loading via overhead crane and provides better repeatability than floor-plate setups
Limitations
- Maximum table load of 20,000 kg limits the Numerika to components that can be crane-loaded onto a table — very large forgings and castings require the floor-type Speedram
- Configuration complexity means each Numerika is essentially a custom machine — budgeting and specification require close collaboration with PAMA's engineering team
- 12–24 month lead times are typical for configured machines — not suitable for immediate capacity requirements
- Positioning accuracy of ±0.004 mm, while excellent for this machine class and scale, does not approach the ±0.001 mm of smaller precision HMCs — critical bores may require finishing on a precision machine
- European manufacturing origin and limited North American presence means service and spare parts logistics require advance planning
Best For
Frequently Asked Questions
01
The PAMA Speedram is a floor-type machine where the column traverses along the floor plate and the workpiece is stationary — best for very large, very heavy components that cannot be moved. The PAMA Numerika is a table-type machine where the workpiece travels on a precision CNC table beneath the headstock — providing better accuracy and repeatability for components in the 1,000–20,000 kg range that can be crane-loaded. The Numerika also includes a B-axis rotary table as standard, enabling 5-face machining without repositioning.
02
Yes, with the optional CNC facing head (U-axis). The facing head replaces the standard spindle nose and adds a radially movable cutting tool driven by a separate servo. Combined with the B-axis rotary table (which provides workpiece rotation), turning, boring, and facing of large circular features is possible. Typical applications include facing and fine boring of turbine casing flanges, wind turbine bearing bores, and large gearbox housing bearing seats.
03
Spindle diameter selection depends on the largest boring bar you will run and the maximum torque your applications require. The 90 mm spindle suits applications with bores up to 200 mm diameter in moderate materials. The 110 mm spindle extends to 300 mm bores in challenging alloys. The 130 mm spindle covers bores above 300 mm in heavy steel and cast iron, with maximum torque for large-diameter face milling. PAMA's application engineers will recommend the appropriate spindle based on your specific part range.
04
The Numerika is delivered in major sub-assemblies (bed, column, headstock, table) due to its size, and assembled on-site by PAMA's installation team. Foundation requirements (depth, reinforcement, anchor bolt pattern, leveling specifications) are provided by PAMA during the order engineering phase. Commissioning and acceptance testing, including ISO 230-2 accuracy verification, is performed by PAMA engineers on-site. Total installation time on-site is typically 4–8 weeks after the foundation is ready.
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