Gear Grinding Machines HOFLER Porta 3500

Max. wheel diameter: 3500 mm 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 E5737227 current E5737227 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.

seller offer No. resale 167433930