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Gold Prospecting
Hard Rock Gold Prospecting
Home sampling finally started
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<blockquote data-quote="Metamorphic" data-source="post: 126171" data-attributes="member: 3682"><p>Have always been a fan of Vertical Shaft Impact (VSI) for gold ore.</p><p></p><p>The motor is only utilized purely for velocity only, and the intended 'crushing' achieved via the stones impact against the impact wall liner.</p><p></p><p>To me it makes sense to use pure velocity and impact 'shatter' taking advantage of the natural fissures in metamorphic stone. The harder the stone the better, so these types of crushers love quartz.</p><p>Major advantage being way less stress on the motor as it is not utilized in driving 'metal upon stone' in order to crush. The only wear involved are the liners on the impact wall.</p><p></p><p>It also takes advantage of the principle of 'stone upon stone' meaning the stone flying around at great velocity collide with each other thereby enhancing the effect and not wearing metal.</p><p></p><p>The end result tends to give a more 'cubical' design to the crushed product allowing for easier classification with less runs.</p><p></p><p>Might be a design to consider Pete. Keene do a beautiful portable sampling version!</p><p></p><p><a href="https://www.reedsprospecting.com.au/shop/detail/keene-rock-crusher/" target="_blank">https://www.reedsprospecting.com.au/shop/detail/keene-rock-crusher/</a></p><p></p><p>Regards</p><p></p><p>Edit: What has happened to Ryan27? Anyone know? Haven't seen any input for a while.</p></blockquote><p></p>
[QUOTE="Metamorphic, post: 126171, member: 3682"] Have always been a fan of Vertical Shaft Impact (VSI) for gold ore. The motor is only utilized purely for velocity only, and the intended 'crushing' achieved via the stones impact against the impact wall liner. To me it makes sense to use pure velocity and impact 'shatter' taking advantage of the natural fissures in metamorphic stone. The harder the stone the better, so these types of crushers love quartz. Major advantage being way less stress on the motor as it is not utilized in driving 'metal upon stone' in order to crush. The only wear involved are the liners on the impact wall. It also takes advantage of the principle of 'stone upon stone' meaning the stone flying around at great velocity collide with each other thereby enhancing the effect and not wearing metal. The end result tends to give a more 'cubical' design to the crushed product allowing for easier classification with less runs. Might be a design to consider Pete. Keene do a beautiful portable sampling version! [url]https://www.reedsprospecting.com.au/shop/detail/keene-rock-crusher/[/url] Regards Edit: What has happened to Ryan27? Anyone know? Haven't seen any input for a while. [/QUOTE]
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Gold Prospecting
Hard Rock Gold Prospecting
Home sampling finally started
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