How to Select the Right Jaw Crusher

What is a Jaw Crusher Made Use Of for You Ask?

When screening aggregates, ores, coal, and coke in geotechnical or building and construction products checking laboratories, example preparation usually involves the decrease of particle dimensions from the initial bulk or area example. Much of these materials are hard, tough, or breakable, so squashing them to smaller dimensions is a suitable application for durable, tough, and durable jaw crushers.

The Operating Principles Of A Jaw Crusher

All jaw crushers operate on the same simple concept; two hard-faced hefty plates or jaws crush big particles between them. One powered jaw reciprocates in an elliptical machine movement opposite a fixed jaw mounted in the frame.

Jaw Crusher Plates

Throughout an operating cycle, the void between both jaws opens up; a bit decreases in, the jaws enclose and squash the particle. Further crushing of the fractured items proceeds until particles are tiny sufficient to fail the bottom opening by gravity. The jaws face each various other at a minor vertical angle, so particles lessen as they progress toward the bottom.


A simple modification of the distance in between both jaws regulates the final sample dimension. The term last size can be a little vague. It refers to the approximate maximum bit dimension at completion of squashing, but the size range and distribution can vary significantly based on the material properties of the sample.

Advantages of a Jaw Crusher

Numerous aspects make laboratory jaw crushers the optimum option for reliable and also effective key squashing of tough, weak, rock-like materials.

Laboratory designs are available with sample top sizes from 0.75 in to 8in (20mm to 203mm).

Jaw plates are offered in a selection of product kinds to enhance performance with different materials.

Models have throughput abilities from 20lb to 4,000 lb (9kg to 1,800 kg) per hr for volumes from small samples to pilot-plant scale manufacturing.

A wide range between optimum size (leading dimension) capability and also final fragment size of the processed example implies fewer steps for total decrease.

Flexible spacing in between jaws controls the final example dimension as well as makes up for wear.

Relatively easy to fix jaw plates extend life span in between substitutes.

The tried and tested innovation provides consistent, repeatable outcomes.

Jaw crushers feature risk-free, straightforward operation as well as upkeep.

Downsides of a Jaw Crusher

Jaw crushers can also have actually some disadvantages compared to various other kinds of size decrease.

Rival jaw plates are less efficient at decreasing products that are difficult, ductile, or soft rather than hard and breakable.

The fine dimensions are generally coarser than those created with pulverizers, hammer mills, as well as other types of crushers.

The final fragment dimension array is not as securely managed as various other crusher types.

Exactly how to Pick:

The choice of the best jaw crusher for your application will normally be regulated by the bit size, quantity, as well as homes of your mass material, along with the desired fragment dimension and amount of the last sample. The size of the jaw plates limitations the particle dimension capacity and figures out the dimension of the feed opening. As a whole, optimal bit dimensions are about 70-80% of the feed opening, but this can differ by suppliers and models. Jaw products are offered in a variety of products to adjust to the firmness and toughness residential properties of examples and to prolong life span.

Our Referrals:

Small Crushers: For applications where reduced amounts of materials with smaller top sizes and final dimensions are required, these smaller jaw crushers fit the bill. Their small dimension permits easy placing throughout the laboratory, even on a benchtop.