Design of dry grinding runners SM-21A-SH

Added: 16.11.2022
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Description

Runners (runner bowls or Chilean mills) are a type of disc mill. They originate from the "arastra", used in ancient gold mining in Mexico (heavy boulders were dragged along the stone-paved bottom of a round bowl with a horse drive). The main patents for modern runners were issued in the 1850s. They have a horizontal disc base in the shape of the bottom of the bowl, accommodating the working space. In runners with a rotating base, the drive mechanism transmits rotation to the central shaft of the bowl on the underside, and 2 rollers, or runners, mounted on fixed horizontal axes, receive rotation due to friction.
Content
Introduction 3
1.Purpose and application of runners 5
2.Technical characteristics of dry grind runners
SM-21A-CX 9
3.Device and principle of operation of dry grinding runners
SM-21A-CX 10
4.Selection of materials for the manufacture of parts 13
Bibliography 16

Composition: Dry grind runners SM-21AH (SB),Detailing (lid 1, lid 2, roller), Specification, PZ