Mode of Operation | |
Measuring principle | Strain gauge load cells and digital speed sensor |
Typical application | Industrial and process applications in feeding, blending or ratioing in gypsum manufacturing |
Measuring accuracy | |
Accuracy1) | ± 0.5 % or better |
Repeatability | ± 0.1 % |
Turn down | 10 ... 100 % based on speed |
Design rate range | 4.5 ... 270 t/h (5 ... 300 STPH) |
Medium conditions | |
Operating temperature | -10 … +40 °C (14 … 104 °F) |
Design | |
Material | Mild steel with abrasion resistant or stainless steel [304 (1.4301)] contact parts optional |
Load Cells | 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] |
Non-linearity | ± 0.03 % |
Non-repeatability | ± 0.02 % |
Speed sensor | Industrial duty, digital optical encoder, tail shaft mounted |
Framework | - Painted structural steel
- Cantilevered mild steel structural frame for quick and easy belt replacement
|
Pulleys | Crowned with rubber lagging on drive pulley for maximum traction |
Idlers | Heavy-duty 100 mm (4 inch) CEMA C with precision ground ball bearings and triple labyrinth seals for longer life |
Belt speed | 0.005 ... 0.36 m/s (1 ... 70 fpm) |
Belting | - Heavy duty endless design for maximum weighing accuracy. SBR, Butyl or Nitrile material options
- Flat, B-section flanges or corrugated sidewall options
|
Belt tension | Screw type, telescoper module |
Belt cleaning | - Spring tensioned UHMW blade at head pulley
- Return UHMW plow at tail pulley
|
Drive motor | Totally enclosed AC, three phase inverter duty rated motor with shaft mounted gear reducer |
Shipping weight | 410 kg (900 lb) minimum |
Approvals | - CE on all electrical components
- Hazardous approvals per configuration options
Note: Weighfeeder as a whole is not approved for hazardous locations, only electrical components. |
