Hammer Mills 650

100 years of experience and innovation have led to the development of a wide range of high-efficiency hammer mills.  The Ottevanger Hammer Mills 650 series are eminently suitable for grinding granulates up to 20 mm diameter. Depending on the screen-size used, the mill is able to reduce the particle size down to approx. 200 micron. The Hammer Mills 650  features a solid all-welded construction and has a number of benefits, which are mentioned below

Features Hammer Mills 650

  • The base plate is mounted on anti-vibration units; vibrations are, therefore, not transmitted to the building.
  • Large doors/hatches enable easy and convenient replacement of worn parts
  • Precisely balanced rotor with specially sealed bearing housings with dust protection
  • The screen covers nearly three-quarters of the grinding circumference
  • Quick and easy screen replacement without stopping the mill
  • Type 650-375 is only available in single rotation execution
  • Type 650-550 is executed in dual direction of rotation
  • Fully enclosed vibrator feeder with permanent magnet, equipped with a roll feeder with automatic self-cleaning magnet – and stone trap
  • Very high-efficiency rate

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Special execution

  • Automatic feeder (optionally frequency controlled)
  • ATEX 22 certified components

Feeding System
For optimum efficiency in grinding it is essential for the feed to be even and for the ground product to be discharged as fast as possible from the grinding chamber. The mechanically driven feeder ensures an even feed over the whole width of the mill and the automatic load control controls the feed in proportion tot he load on the main motor. The drum type will provide a full load in 10 seconds from start up. It includes a permanent magnet and stone trap, and an auto magnet cleaning device.Doorsnede hm

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Range of Hammer Mills 650

Type  Motor(kW) Screen surface(m²) Capacity Weight (kg)
excl. motor
Maize Barley
650-375  30 – 55  0,5  4 – 7 2 – 4 750
650-550  55 – 90 2 x 0,3  7 – 12 3 – 7 1175