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Hommel Unverzagt GmbH UVA 725 Plus

Machine Data (per nameplate)
Model: UVA 725 Plus
Serial Number: 71L1261109
Year of Manufacture: 2011
Manufacturer: Hommel Unverzagt GmbH
Weight: 3,800 kg
Manufactured for Hommel Unverzagt in Taiwan

Technical Specifications
Travel:
X-axis: 725 mm
Y-axis: 460 mm
Z-axis: 460 mm

Spindle:
Speed: 10,000 rpm
Tool holder: SK40
Max. tool diameter: 100 mm
Max. tool length: 300 mm
Max. tool weight: 7 kg
Tool Magazine:
Capacity: 24 positions
Tool change time: approx. 2 s

Table:
Dimensions: 760 × 420 mm
Max. table load: 400 kg
Machine dimensions (L×W×H): approx. 2200 × 2100 × 2300 mm
Weight: approx. 3,600 kg

Condition & Fault Description
The machine was operating flawlessly until recently, but now displays various axis configuration and CC/PLC errors when powered on:
Heidenhain TNC 620 errors include:
- “Timeout in CC command processing”
- “The PLC program was stopped”
- “HSCI initialization faulty”
- “HSCI Ethernet connection interrupted”
- “Axis X/Y/Z/S configuration faulty”
The Command/Control unit (CC) has already been replaced, but the error persists.
Therefore, the machine is being offered as defective / for repair or as a source of spare parts.

Accessories & Scope of Delivery (as shown in pictures)
Several SK40 tool holders, chip conveyor and drip tray, documentation

Machine Documentation / Manuals:
- UVA 725 Plus Parts Manual
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- Operating Manual Heidenhain TNC 620
- Guide for Delivery / Preparation / Installation (UVA 550–1600)
- Heidenhain TNC 620 User Manual (large binder)

Note
The machine is ideal for service technicians, retrofit companies, or as a parts donor, as it is complete but currently not operational.
Mechanically, the machine appears well maintained and the interior is complete.

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