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laboratory hammer mill
hammer mill screen discharge grate
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Laboratory Hammer Mill


This rugged, yet compact, gravity discharge Laboratory Scale Hammer Mill features the same durable construction and long-wearing components of production scale models. Lightweight, low noise, and suitable for small production, batch, or pilot projects. The 6” and 8” wide laboratory scale mills are capable of processing a variety of materials to a granular or powder consistency with scalable results.usa manufacturer

Key Features:

  • Option of replaceable internal wear plates for processing abrasive materials
  • Choice of carbon or stainless steel construction
  • Wide selection of four-way reversible hammers,
  • Numerous, easily changeable screens for the exact desired finished particle

Additional Options Include:

  • Single-phase motors
  • Variable Frequency Drive
  • Custom designed support stands, infeed, and discharge chutes

Typical Installations Include:

  • Pilot plants
  • University labs
  • Government testing facilities

Production rate:

  • Will process 50-150 pounds per hour depending on the type of material (Printed circuit boards or other)
  • Not for Hard Drive
  • The product size is as required by choice of screen size installed and hammer speed
  • Grinds to under 1mm


inside small laboratory hammer mill hammers

hammer mill screen discharge grate
hammer mill screen discharge grate

Laboratory Hammer Mill Technical Specifications

hammer mill specifications

Example Specs for the W-6-H model hammer mill (W-8-LH differs)

Drive Components:

  • 3 HP, 3/60/230-460/3600 TEFC, premium efficient motor
  • V-belt drive with cast iron sheaves to set speed up to 8,000 RPM
  • OSHA approved belt guard, solid or perforated
  • Safety interlock package

Laboratory Hammer Mill Housing Construction:

  • This laboratory hammer mill is 6″ (152mm) wide internally, with a 9″ (229mm) rotor diameter
  • Manufactured from 3/8″ (9mm) A36 steel plate, dust-tight welds
  • Replaceable 1/4″ (7mm) AR steel wear plates throughout the interior of the mill housing feature an optional ribbed design to generate stator friction
  • Mounted on a structural steel sub-base
  • Mill top and discharge flanges allow easy mounting of in-feed and discharge chutes or hoppers
  • Mill top hinges open for easy access to mills interior

Rotor Assembly:

  • Swinging, 1/4″ (7mm) heat-treated, AR-400, or tungsten carbide coated hammers which are 4-way reversible for long service life
  • A precision-machined shaft is warranted for five (5) full years against breakage
  • Heat-treated or stainless hammer rods, discs, and spacers

Bearings & Packing:

  • Complete pillow block bearings – 1 3/16″ (30mm)
  • Complete pillow blocks with wide inner ring ball bearings, pre-greased prior to shipment.
  • Packing glands are employed to prevent material leakage along the shaft.

Screens & Grates:

  • One screen segment with 60 square inches (387cm2) total screen area
  • Standard perforated screens or with thick HD/AR jet screen options
  • Screens come in many hole sizes and are easily interchangeable

Additional Options for your Laboratory Hammer Mill

  • Feed Chute with baffles allows continuous manual feeding without kickback
  • Discharge Chute with round or square outlet
  • Support Stand to custom dimensions on rolling casters
  • Variable Frequency Drive in NEMA 4X Enclosure

laboratory hammer mill design

hammer mill design for laboratory machine

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