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BB 50 Jaw Crusher


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The Jaw Crusher BB 50 has been specially designed for sample preparation in the laboratory. It is used for the rapid, effective crushing and pre-crushing of medium-hard, hard, brittle and tough materials.

The space-saving, dust-tight instrument fits on any laboratory bench and is ideally suited to crush small amounts of sample with large feed sizes gently and without loss.

To avoid metallic contamination, the grinding chamber of the jaw crusher is available of ceramic materials. With its digital gap width display and zero point adjustment the jaw crusher BB 50 allows for reproducible results.

Application Examples

Alloys, Basalt, Bones, Cement Clinker, Ceramics, Chamotte, Coal, Coke, Construction Materials, Feldspar, Glass, Granite, Minerals, Quartz, Ores, Oxide Ceramics, Rocks, Silicon, Slag…

Product Advantages

  • Powerful size reduction thanks to 1.1 kW industrial drive
  • Compact, benchtop instrument
  • Removable jaw for easy cleaning
  • Adjustable speed allows adaptation to sample characteristics
  • Wear compensation with zero-point adjustment
  • Convenient operating keypad with digital display
  • Memory for gap width setting
  • Wide range of materials for contamination free grinding
  • Large fold-back hopper
  • Automatic wear-out notification

Function Principle

The Jaw Crusher BB 50 is a robust and powerful forced-feed crusher. The feed material passes through the no-rebound hopper and enters the crushing chamber.

Size reduction in the Jaw Crusher takes place in the wedge shaped area between the fixed crushing arm and one moved by an eccentric drive shaft. The elliptical motion crushes the sample which then falls under gravity.

As soon as the sample is smaller than the discharge gap width, it falls into a removable collector. The continuous gap width setting with digital display ensure optimal size reduction in accordance with the set gap width value.

Applications: coarse and pre-crushing
Field of application: agriculture, biology, construction materials, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals,
Feed material: medium-hard, hard, brittle, tough
Size reduction principle: pressure
Material feed size* < 40 mm
Final fineness*: < 0.5 mm
Material of grinding tools: manganese steel, stainless steel, tungsten carbide, zirconium oxide, steel 1.1750 (for heavy-metal free grinding)
Jaw width: 45 x 59 mm
Gap width setting: 0 – 11 mm in increments 0.1 mm
Gap width display: digital
Zero point adjustment: yes
Reverse rotating direction: yes
Hinged hopper: yes
Dust extraction unit: already dust-tight
Central lubrication: lifetime lubrication by manufacturer
Process line version: process line use is possible by removing drawer
Collector capacity: 3 l
Drive: 3-phase motor with frequency converter
Drive power: 1.1 kW
Electrical supply data: different voltages
Power connection: 1-phase
Protection code: IP 20 / IP 00 at ventilation slots
W x H x D closed: 420 x 460 x 560 mm
Net weight: ~ 79 kg
Standards: CE
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