Features crushing contraction of the joint system prototype is mainly used for the preparation of samples of coal and other bulk materials, continuous completion of screening, crushing and reduction of three processes, especially for large sample preparation laboratory use. Technical parameters ASPA ASCP feed size ≤ 60mm ≤ 50mm Discharge size ≤ 6-13mm, adjustable <6 <3 <1mm adapt Moisture ≤ 11% (as received total moisture) 1:8 shrink ratio of 1:8 accuracy ≤ 6mm, 0.4%, ≤ 13mm, 0.7% sample preparation efficiency ≤ 13mm ,300-500kg / h 600-300kg / h ≤ 6mm ,200-300kg / h Power supply voltage three-phase AC380 (1 ± 10%) V 50Hz Motor Power 1.5KW ASCP sealed hammer crusher reduced extension [Beijing Special sealed hammer crusher reduced extension] Shu Genius sealed shrink extension ASCP hammer crusher hammer crusher shrink seal extension [Beijing Special sealed hammer crusher reduced extension] Shu Genius sealed hammer crusher reduced extension ASCP sealed hammer crusher reduced extension [Beijing Special sealed hammer crusher reduced extension] Shu Genius sealed hammer crusher reduced extension