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Gold Prospecting
Do It Yourself (DIY) Projects
Engine for rock crushing.
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<blockquote data-quote="jethro" data-source="post: 389349" data-attributes="member: 1297"><p>If you are getting metal flakes in your pan concentrates you are doing things exactly right. The only ways to reduce the wear that you will get from smashing hard quartz with steel is to either pre soften your rock or use hardened steel. You can soften quartz by burning it in a hot fire. Do this outdoors away from everyone else and stay upwind as this process can release some noxious gases. the other alternative is to build your impact plates and hammers out of some sort of toughened steel like bisalloy. Or you can hardface your hammers with hardfacing rods designed to resist impact wear rather than abrasive wear.</p></blockquote><p></p>
[QUOTE="jethro, post: 389349, member: 1297"] If you are getting metal flakes in your pan concentrates you are doing things exactly right. The only ways to reduce the wear that you will get from smashing hard quartz with steel is to either pre soften your rock or use hardened steel. You can soften quartz by burning it in a hot fire. Do this outdoors away from everyone else and stay upwind as this process can release some noxious gases. the other alternative is to build your impact plates and hammers out of some sort of toughened steel like bisalloy. Or you can hardface your hammers with hardfacing rods designed to resist impact wear rather than abrasive wear. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Engine for rock crushing.
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