Gear Grinding Machines HOFLER Porta 3500 CNC

Max. wheel diameter: 3500 mm HÖFLER Porta 3500 CNC Gear Grinding Machine

We are pleased to offer a rare opportunity to acquire a HÖFLER Porta 3500 CNC Spur/Helical, Internal/External Gear Grinding Machine, a large-capacity later-generation traveling gantry system with very low operating hours.

Machine Overview

Make/Model: HÖFLER Porta 3500 CNC
Year of Manufacture: 2007
Installation Year: 2010
Total Operating Hours: approx. 6,800 hours
Design: Later-generation traveling gantry system
Condition: The machine is currently in still under power and requires reinstallation of a refurbished hydraulic drive motor (included) prior to recommissioning.

Key Specifications

(Maximum capacities as per OEM data)

External Grinding Diameter: 3500 mm (137.8”)
Internal Grinding Diameter: 800 mm (31.5”)
Tooth Profile Height: 80 mm (3.15”)
Helix Angle: ±45°
Max Module: 20 (1.34 DP)
Grinding Stroke (OD): 1651 mm (65”)
Grinding Stroke (ID): 1199 mm (47.2”)

Equipment Highlights

Siemens 840-D CNC control with gear grinding software
Integrated HÖFLER inspection system (profile, lead, pitch)
Two grinding spindles with CNC dressing units
SMW Accusmart-65 rotary table
Full enclosure with mist extraction system
Coolant and hydraulic oil chiller system
Tooling, fixtures, and operator accessories included
Complete technical documentation package

Condition Note

The hydraulic drive motor has been professionally refurbished and is included with the machine. Once installed and commissioned, the system is expected to return to full operational capability.

Additional Support

Packing list available for export planning
Assistance with dismantling and professional packing
Optional sea freight coordination under separate agreement
seller offer No. resale 169404531