Jaw Crushers Functions and Innovations

Coarse and initial size reduction of tough to brittle materials

Retsch jaw crushers are made use of for the rapid, gentle crushing and pre-crushing of medium-hard, challenging, brittle and difficult supplies. Their range of supplies supplied, like heavy-metal free steel, efficiency and safety makes them perfect for sample preparation in laboratories and industrial plants. The throughput and grind size depend on the sort of instrument, the gap width and the crushing properties of the sample. jaw crushers are especially appropriate for the preparation of rocks, minerals, ores, glass, ceramics, construction supplies, brittle metal alloys, slag, synthetic resins and many other difficult, brittle substances.

Superiority in detail – technologies from RETSCH

With respect to the subsequent analysis, jaw crushers are generally at the really front with the sample preparation chain. They may be employed for pre-crushing primarily difficult and brittle materials. The fine grinding strategy depends upon the analysis to adhere to and can be carried out with either

■ ball mills and mixer mills,

■ mortar grinders, or

■ disc mills and vibratory disc mills.

Many distinctive particulars show that RETSCH jaw crushers are the perfect choice when the rapid and gentle crushing and pre-crushing of hard and brittle supplies would be to be accomplished.

Top efficiency in several areas

RETSCH jaw crushers are mainly used in laboratories and pilot plants below industrial conditions, but can also be utilised on- line for the top quality assurance of raw supplies. The jaw crushers are offered in 4 various models: BB 51, BB 100, BB 200 and BB 300. Using a feed size of in between 35 and 150 mm and depending on the model, the jaw crushers can attain a grind size of down to 0.five mm. The main fields of applications are:

■ Construction materials

■ Mineralogy and metallurgy

■ Ceramics and glass

■ Supplies research

■ Environmental analysis

Their very good grind size and their high crushing ratio demonstrate the great efficiency of RETSCH Jaw Crushers.

Versatile applications and long operating life

Breaking jaws for RETSCH Jaw Crushers are offered in many supplies and thus enable versatile applications plus a extended operating life.

They're out there in:

■ Manganese steel

■ Stainless steel

■ Tungsten carbide

■ Zirconium oxide, partially yttrium-stabilized

■ Steel totally free from heavy metals

Irrespective of no matter whether wear-resistance or heavy-metal-free size reduction is necessary – for every single application there are actually a suitable grinding tool readily available.

Continuous gap width adjustment and display

The gap width is set by working with an analog scale. The BB 51 has a digital display with a setting and read-off accuracy of 0.1 mm. This implies that reproducible crushing processes are feasible, especially given that it can be attainable to compensate for wear.

Zero-point adjustment to compensate for wear

Depending on the material and also the throughput, sooner or later the breaking jaws will begin to show signs of wear. This indicates that the set breaking jaw distance or the crushing gap will improve with time. As a way to nonetheless be able to get reproducible crushing results this wear must be compensated. With jaw crushers whose gap width can only be set in fixed actions, compensation for wear isn't possible. This implies that reproducibility can no longer be assured. In comparison, RETSCH Jaw Crushers is usually continuously adjusted and as a result breaking jaw wear can be compensated. This is completed by slowly altering the gap width setting using the motor running till the breaking jaws are heard to come into speak to.

The new zero point thus obtained is saved by pressing the reset important (BB 51) or readjusting the scale (BB 100 to BB 300). Elevated user convenience combined with maximum operating safety Safety is very vital for RETSCH Jaw Crushers. The interior of the

feed hopper cannot be accessed by hands and also the baffles avoid the sample material from rebounding. Integral Belleville spring washer packages as well as a thermal overload protection switch shield the jaw crushers against overloading. The hopper is hinged for quick cleaning (BB 100 to BB 300) or could be very easily removed. The jaw crushers run extremely smoothly and quietly. Because of their solid design, RETSCH Jaw Crushers are practically maintenance-free. RETSCH sort BB 200 and BB 300 Jaw Crushers are also out there in versions which may be integrated in procedure lines. Their robust style implies that they are not just suitable for batch-wise operation, but they are also especially appropriate for continuous size reduction in on-line operation.

BB 200 and BB 300 as process line versions

RETSCH type BB 200 and BB 300 Jaw Crushers are also accessible in versions which is usually included in method lines. Their robust design

signifies that they may be not just suitable for batch-wise operation, but they are also particularly suitable for continuous size reduction

in on-line operation.

The on-line versions with the RETSCH Jaw Crushers are supplied without the feed hopper and motor protection switch. The three-phase

current version in the motor will be supplied as per customer's specifications.

Jaw Crushers for main size reduction
Jaw Crushers for main size reduction

Jaw crushers for main size reduction

Coarse and initial size reduction of hard to brittle materials

Retsch jaw crushers are utilised for the rapid, gentle crushing and pre-crushing of medium-hard, tough, brittle and difficult materials. Their assortment of  materials provided, for example heavy-metal free steel, efficiency and safety makes them ideal for sample preparation in laboratories and industrial plants.

The throughput and grind size depend on the type of instrument, the gap width as well as the crushing properties in the sample. Jaw crushers are  especially suitable for the preparation of rocks, minerals, ores, glass, ceramics, construction supplies, brittle metal alloys, slag, synthetic resins and numerous other difficult, brittle substances.

Superiority in detail – technologies from RETSCH

With respect for the subsequent analysis, jaw crushers are always in the very front in the sample preparation chain. They are used for  pre-crushing primarily tough and brittle materials. The fine grinding method depends on the analysis to adhere to and can be carried out with either ball mills and mixer mills,  mortar grinders, or disc mills and vibratory disc mills.

Many one of a kind particulars show that RETSCH jaw crushers are the perfect option when the rapid and gentle crushing and pre-crushing of challenging and brittle materials is always to be achieved.

Top efficiency in several areas

RETSCH jaw crushers are primarily made use of in laboratories and pilot plants below industrial circumstances, but can also be utilized on- line for the good quality assurance of raw supplies. The jaw crushers are provided in four unique models: BB 51, BB 100, BB 200 and BB 300. With a feed size of between 35 and 150 mm and based on the model, the jaw crushers can achieve a grind size of down to 0.5 mm. The primary fields of applications are: Construction supplies, Mineralogy and metallurgy, Ceramics and glass, Supplies study, Environmental analysis.

Their fantastic grind size and their high crushing ratio demonstrate the wonderful efficiency of RETSCH Jaw Crushers.

Versatile applications and lengthy working life

Breaking jaws for RETSCH Jaw Crushers are offered in numerous supplies and thus permit versatile applications as well as a long working life.

They are available in:

■ Manganese steel

■ Stainless steel

■ Tungsten carbide

■ Zirconium oxide, partially yttrium-stabilized

■ Steel free from heavy metals

Regardless of whether or not wear-resistance or heavy-metal-free size reduction is needed – for each and every application you'll find a suitable grinding tool accessible.

BB 200 and BB 300 as process line versions

RETSCH sort BB 200 and BB 300 Jaw Crushers are also offered in versions which is often included in approach lines. Their robust design signifies that they're not only appropriate for batch-wise operation, but they're also especially suitable for continuous size reduction in on-line operation.

The on-line versions from the RETSCH Jaw Crushers are supplied without having the feed hopper and motor protection switch. The three-phase current version with the motor might be supplied as per customer's specifications.

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