USED 2007 HOFLER Porta 3500

Opportunity: HÖFLER Porta 3500 CNC Gear Grinder – “As Is” with Limited Use

We are offering a unique opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine – a rare and powerful machine with low hours, available in “As Is” condition at a negotiable price.

Machine Overview:
• Make/Model: HÖFLER Porta 3500 CNC
• Year New: 2007
• Installed: 2010
• Total Hours: Only 6,800 since installation
• Design: Later-generation traveling gantry
• Condition: Structurally and mechanically sound, but currently not operational due to uninstalled hydraulic drive motor (refurbished and included).
• A full assembly report detailing remaining work can be provided upon request.

Key Specs:
• Max external grinding diameter: 137.8” (3500mm)
• Max internal grinding diameter: 31.5” (800.1mm)
• Max tooth profile height: 3.15” (80mm)
• Max helix angle: ±45˚
• Max module: 20 (1.34 DP)
• Max grinding stroke (OD): 65” (1651mm)
• Max grinding stroke (ID): 47.2” (1199mm)

Equipped With:
• SIEMENS 840-D CNC with gear grinding software
• HÖFLER integrated inspection system (for profile, lead, spacing checks)
• Coolant and hydraulic oil chiller system
• Two grinding spindles with CNC dressing units
• SMW Accusmart-65 rotary table
• Full enclosure with power doors and mist extraction
• Assorted tooling, fixtures, and operator tools
• Complete documentation (manuals, diagrams, parts lists)

Condition Note:
While the main hydraulic drive motor has been fully refurbished, it remains uninstalled, which limits machine movement. Once installed and commissioned, the machine can be returned to near-new functionality. We are open to reasonable offers in its current condition.

Inspection:
The machine is available for on-site inspection by appointment (with one week notice).

Please contact us for further details or to request the assembly report and repair estimate.

Key Points to Highlight:
• Built 2007, recently inspected July 2023 by HÖFLER-experienced engineers
• Major systems functional; key replacement parts identified, budgeted
• Includes detailed assembly report and repair estimate (upon request)
• Priced with repair margin in mind — buyer can see exactly what’s needed
• Opportunity to customize final repairs or request support

We will be happy to assist you with professional dismantling, packing, and local or overseas shipment. Full logistics support available upon request.