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Model 24J Horizontal Balancing System
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Model 24J Horizontal Balancing System
Product catalog summary
Overview: The Model 24J is a precision horizontal balancing machine designed for gas turbine applications, including fan hubs, compressor and turbine components, and shafts. It utilizes hard-bearing technology and force-measuring transducers for accurate unbalance measurement.
Key Features:
- Rugged piezo-electric transducers that are unaffected by temperature or humidity and are sealed against dust and dirt.
- Fully traversable work supports along a precision-machined bed with a gear-rack system for parallel alignment.
- Adjustable end-thrust assemblies with precision ball bearings for axial load in belt-drive systems.
- All-metric design with optional safety guards meeting OSHA and CE requirements.
- Custom hardware and software options, with various electronic measuring instruments available.
Technical Specifications:
- Configurations: End drive, Belt drive, Belt/end drive.
- Maximum rotor weight: 4500 kg (10,000 lb) for Model 24J, 3400 kg (7500 lb) for Model 24.1J.
- Minimum rotor weight: 20 kg (50 lb) for Model 24J, 10 kg (22 lb) for Model 24.1J.
- Maximum rotor diameter: 1750 mm (69 in).
- Balancing speeds: 60 – 1800 rpm, with accuracy ≤ 0.38 µm (≤ 15 µin) for Model 24J and ≤ 0.25 µm (≤ 10 µin) for Model 24.1J.
- Sensitivity: ≤ 0.25 gmm/kg.
- Unbalance reduction ratio: 95%.
- Motor power: 30 hp dc.
- Electrical characteristics: 460 V, 3-phase, 60 Hz or 380 – 440 V, 3-phase, 50 Hz.
- Meets SAE ARP 4048 Specifications for Horizontal Machine Class 1000.
Contact Information: American Hofmann Corporation, 3700 Cohen Place, Lynchburg, VA 24501 USA. Tel: +1.434.522.0300 or +1.800.446.0997. Email: [email protected]. Website: www.hofmann-global.com.
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Catalog excerpts
Belt/End Drive Configuration End drive Belt drive Belt/end drive Maximum normal operating weight of rotor 4500 kg (10,000 lb) 3400 kg (7500 lb) Maximum weight per pedestal 2250 kg (5000 lb) 1700 kg (3750 lb) Specifications for the Minimum weight of rotor 20 kg (50 lb) 10 kg (22 lb) 24.2J are the same as for Maximum diameter of rotor 1750 mm (69 in) 1750 mm (69 in) either the 24J or the 24.1J Max. diameter of rotor over belt tensioner 1270 mm (50 in) depending on which drive Max. length of rotor between bearing centers 2700 mm (106 in) 2700 mm (106 in) is being used. Min. length of rotor between...
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