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Model 18J Horizontal Balancing System

Model 18J Horizontal Balancing System
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Model 18J Horizontal Balancing System

Product catalog summary
Overview
Model 18J 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 resistant to temperature and humidity.
  • Fully traversable work supports along a precision-machined bed.
  • Adjustable end-thrust assemblies with precision ball bearings for axial load.
End Drive Coupling
  • All-metric design with 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 hardware and software available.
Technical Specifications
  • Configuration: End drive, Belt drive, Belt/end drive.
  • Maximum rotor weight: 250 kg (550 lb).
  • Maximum rotor diameter: 1270 mm (50 in).
  • Balancing speeds: 60 - 2400 rpm.
  • Accuracy: ≤ 0.25 µm (≤ 10 µin).
  • Sensitivity: ≤ 0.25 gmm/kg.
  • Power: 2 hp AC motor.
  • Electrical: 230 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 300.
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]
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Catalog excerpts

Model 18J Horizontal Balancing System-2

Configuration End drive Belt drive Belt/end drive Maximum normal operating weight of rotor 250 kg (550 lb) 250 kg (550 lb) Maximum weight per pedestal 125 kg (275 lb) 125 kg (275 lb) Specifications for the Minimum weight of rotor 5 kg (10 lb) 0.5 kg (1 lb) 18.2J are the same as for Maximum diameter of rotor 1270 mm (50 in) 1270 mm (50 in) either the 18J or the 18.1J Max. diameter of rotor over belt tensioner 890 mm (35 in) 890 mm (35 in) depending on which drive Max. rotor length between bearing centers 1900 mm (75 in) 1900 mm (75 in) is being used. Minimum length of rotor between bearing centers...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.