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Mode of Operation
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Measuring principle
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Strain gauge load cells and digital speed sensor
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Typical application
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Industrial and process applications in feeding, blending or ratioing in gypsum manufacturing
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Measuring accuracy
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Accuracy1)
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± 0.5 % or better
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Turn down
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10 ... 100 % based on speed
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Design rate range
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4.5 ... 270 t/h (5 ... 300 STPH)
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Medium conditions
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Operating temperature
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-10 … +40 °C (14 … 104 °F)
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Design
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Material
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Mild steel with abrasion resistant or stainless steel [304 (1.4301)] contact parts optional
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Load Cells
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Two corrosion-resistant platform type with mechanical overload protection [nickel plated or 17-4 PH (1.4568) stainless steel construction with 304 (1.4301) stainless steel cover]
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Non-linearity
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± 0.03 %
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Non-repeatability
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± 0.02 %
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Speed sensor
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Industrial duty, digital optical encoder, tail shaft mounted
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Framework
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- Painted structural steel
- Cantilevered mild steel structural frame for quick and easy belt replacement
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Pulleys
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Crowned with rubber lagging on drive pulley for maximum traction
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Idlers
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Heavy-duty 100 mm (4 inch) CEMA C with precision ground ball bearings and triple labyrinth seals for longer life
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Belt speed
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0.005 ... 0.36 m/s (1 ... 70 fpm)
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Belting
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- Heavy duty endless design for maximum weighing accuracy. SBR, Butyl or Nitrile material options
- Flat, B-section flanges or corrugated sidewall options
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Belt tension
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Screw type, telescoper module
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Belt cleaning
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- Spring tensioned UHMW blade at head pulley
- Return UHMW plow at tail pulley
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Drive motor
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Totally enclosed AC, three phase inverter duty rated motor with shaft mounted gear reducer
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Shipping weight
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410 kg (900 lb) minimum
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Approvals
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- CE on all electrical components
- Hazardous approvals per configuration options
Note: Weighfeeder as a whole is not approved for hazardous locations, only electrical components.
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