Hofler

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