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Size Reduction Equipments

We offer our line of commercial hammer mills. The output, or rate of production of the hammer mill is dependent upon the screen size, shaft speed which is typically 3,600 rpm, and the configuration of the hammers. We offer hammer mills in a bottom discharge configuration (gravity discharge hammer mills) and we offer hammer mills in a materials-handling fan discharge configuration. Bottom discharge (gravity discharge) hammer mills may be used when the product to be processed will be processed to a consistency. Our hammer mills may be belt driven or direct driven with an electric motor, gasoline engine, or diesel engine.

Bottom discharge hammer mills

Bottom discharge hammer millsEnlarged ViewVideo Play

The basic principle is straight forward. A hammer mill is essentially a steel drum containing a vertical or horizontal rotating shaft or drum on which hammers are mounted. The hammers are free to swing on the ends of the cross, or fixed to the central rotor. The rotor is spun at a high speed inside the drum while material is fed into a feed hopper. The material is impacted by the hammer bars and is thereby shredded and expelled through screens in the drum of a selected size. Our ranges of techno wings brand bottom discharge hammer mills are available in various sizes. These bottom discharge hammer mill are recommended for powdering grains, chemicals, herbs, minerals, spices, cattle feed, chemicals, oil cake, tea, coffee, crude drugs, molding powder, dry soap, charcoal, etc.

These hammer mill known for the different features of hammer mill include:

  • Unique and reliable design
    • The bottom discharge hammer mill series pulverizers are highly effective as well as nonstop continuous pulverizing process.
  • Compact size
  • Dust free operation
  • Ideal for dry crushing
  • Increased production leading to faster return on the investments
  • Hardened & fully machined shelving type blades thus less wear & tear
  • All rotating parts are balanced for reducing friction losses and noise

Operating principle of bottom discharge hammer mill

The materials to be ground into the crushing chamber of hammer mill from feed hopper by gravity or through an auto feeder (optional) the beaters / blades inside the crushing chamber accelerate the material to a very high speed to the toothed liner placed at the upper half of the crushing chamber. Shearing pulverizes the material. The ground materials continuously discharge through screens placed at the bottom periphery of the crushing chamber and excess air filtered through a cotton balloon. Particle size varied using screens with different size holes.

Application of bottom discharge hammer mill

Hammer mills are exclusively meant for the grinding of sugar, bangle grams, maize, pulses, and a large scale basis.

Construction of bottom discharge hammer mill

Hammer mill made from heavy duty mild steel fabricated body. Grinding chamber lined with serrated wear plates, which protects the body from wear and tear. Grinding is done by a set of swinging blades or hammers on a balanced rotor. A screen classifier forms the lower half of the grinding chamber.

Available models of Bottom discharge hammer mill

Type of Classification Screen Type of Hammer Mill
Model No Tw-48BD Tw-510BD Tw-612BD Tw-714BD Tw-1016BD Tw-1020BD Tw-1224BD Tw-1326BD
Required H.P. (Kw) 2 H. P. ( 1.5 KW) 3 H. P. ( 2.2 KW) 5 H. P. ( 3.7 KW) 7.5 H. P. ( 5.5 KW) 20 H. P. ( 15 KW) 25 H. P. ( 18.5 KW) 40 H. P. ( 30 KW) 50 H. P. ( 37.5 KW)
Chamber Size in mm Width X Diameter 100 mm X 200 mm 125 mm X 250 mm 150 mm X 300 mm 175 mm X 350 mm 250 mm X 400 mm 250 mm X 500 mm 300 mm X 600 mm 400 mm X 650 mm
Production Capacity Per Hour 20-25 Kg. 30-35 Kg. 50-55 Kg. 100-110 Kg. 200-210 Kg. 250 - 275 Kg. 400-440 Kgs. 800-880 Kg.
Hammer Mill's RPM 3500 3500 3500 3500 3500 3500 3500 3500
Fineness Range 30 to 100 mesh B. S. S.

Standard accessories of bottom discharge hammer mill

  • Motor pulley
  • One number cotton balloon.
  • Anti vibrating foundation stand with adjustable rail for motor
  • 2 numbers of perforated round hole screen.

Extra accessories of bottom discharge hammer mill

  • Suitable totally enclosed fan cooled three phase sq. Cage motor as per is: 325. {electricity (special power can be accommodated): 220/380/415 v0lts, 50/60 Hz, 3 phase }
  • Starters, main switch, ampere meter, capacitor for three phase
  • Foundation bolts
  • V belts
  • All contacting parts stainless steel 304 / 316 can be accommodated

Due to continuous improvements, we reserve the rights to alter and/or amend dimensions/design without prior notice.
The figure for capacities given are for guideline only may very force case to case and depending many factors.


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