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Model 23J Horizontal Balancing System
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Model 23J Horizontal Balancing System
Product catalog summary
Overview: The Model 23J 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 ensuring parallel alignment.
- Adjustable end-thrust assemblies with precision ball bearings for axial load in belt-drive systems.
- Pneumatic belt tensioner for consistent drive-belt pressure.
- Photocell or phase-coil detection of RPM.
- Optional safety guard meeting OSHA and/or CE requirements.
- Custom-designed hardware and software available.
Technical Specifications:
- Configuration: End Drive or Belt Drive.
- Maximum rotor weight: 1200 kg (2640 lb).
- Maximum rotor diameter over bed: 1600 mm (63 in).
- Balancing speeds: 60 - 1800 rpm (Model 23J) and 360 - 3600 rpm (Model 23.1J).
- Accuracy: ≤ 0.38 µm (Model 23J) and ≤ 0.25 µm (Model 23.1J).
- Sensitivity: ≤ 0.38 gmm/kg (Model 23J) and ≤ 0.25 gmm/kg (Model 23.1J).
- Unbalance reduction ratio: 95%.
- Motor power: 30 hp ac (Model 23J) and 15 hp ac (Model 23.1J).
- Electrical characteristics: 230 - 460 V, 3-phase, 60 Hz or 380 – 440 V, 3-phase, 50 Hz.
Compliance: Meets or exceeds 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
Configuration End Drive Belt Drive Belt/End Drive Maximum normal operating weight of rotor 1200 kg (2640 lb) 1200 kg (2640 lb) Maximum weight per pedestal 600 kg (1320 lb) 600 kg (1320 lb) Specifications for the Minimum weight of rotor 7 kg (15 lb) 3 kg (7 lb) 23.2J are the same as for Maximum diameter of rotor over bed 1600 mm (63 in) 1600 mm (63 in) either the 23J or the 23.1J Max. diameter of rotor over belt tensioner 1220 mm (48 in) depending on which drive Maximum length of rotor between centers of bearings 2280 mm (90 in) 2280 mm (90 in) is being used. Minimum length of rotor between centers...
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