Heavy-Duty Drive solution for Limestone Hammer Mill

Project Feature: Flender PLANUREX® Gearbox & Siemens Severe Duty Motor

At Alpha Drives Ltd., we take great satisfaction in providing dependable and sturdy drive solution’s that are suited to the most exacting requirements from our clients. In this most recent project, we collaborated closely with our customer to design a small, powerful drivetrain for a limestone hammer mill that operates in a very dusty setting.

Project Requirements

• The customer required:
• High torque transmission
• Dust resistance
• Minimal modification to existing setup
• Reliable operation under harsh conditions

To meet these specifications, we selected the Flender PLANUREX® Planetary Gearbox paired with a Siemens Severe duty Motor – a proven combination for challenging industrial applications.

Technical Specifications

Gearbox: Flender PLANUREX®

• Nominal Torque: 295,000 Nm
• Gear Ratio: 414.16:1
• Input Speed Range: 300 – 1200 rpm
• Output Speed Range: 0.72 – 2.89 rpm
• Output Shaft: 280 mm, double keyed
• Mounting: Fabricated steel feet to suit existing pedestal
• Sealing System: Taconite seals
• Additional Features: Integrated backstop
• Total Weight: 5 tonnes

Motor: Siemens Severe Duty Motor

• Power Output: 75 kW
• Housing: Rugged grey cast iron
• Temperature Range: -50°C to +60°C
• Protection Rating: Up to IP66
• Coating System: C5 (offshore duty)
• Environmental Resistance: Dust, humidity, vibration, and aggressive atmospheres

Why PLANUREX®?

The performance and longevity of the PLANUREX® serries are well known around the world. These gear units have a lengthy history of being successfully installed under challenging operating conditions, and they are known for:

• Exceptional reliability

• High load-carrying capacity

• Long service life

• Low maintenance requirements

Siemens Severe Duty Motors

Siemens Severe Duty Motors are the best option for continuous operation where performance cannot be sacrificed since they are designed to be dependable under both normal and harsh circumstances. With attributes like optional offshore coatings and IP66 protection, they’re perfect for:

• Heavy industry

• Mining

• Cement and aggregate plants

• Processing mills like this Limestone Hammer Mill