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Equipment/RJH Tool Grinder: Difference between revisions

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|subcat=Metalworking
|subcat=Metalworking
|status=Operational
|status=Operational
|reqtraining=no
|reqtraining=Yes (Included with Lathe)
|acnode=no
|acnode=no
|origin=Pledge
|origin=Pledge
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This is a dedicated tool grinder intended for removing small amounts of material to shape heat-sensitive steel cutting tools to specific geometry. It is not a general-purpose metal shaping and grinding tool - the regular bench grinder (on the opposite side of the cage) is a much better tool for this purpose.
This is a dedicated tool grinder intended for removing small amounts of material to shape heat-sensitive steel cutting tools to specific geometry. It is not a general-purpose metal shaping and grinding tool - the regular bench grinder (on the opposite side of the cage) is a much better tool for this purpose.


No specific training is required for this tool. However it is powered via a 16A plug, the extension lead for which is kept in the metal shop toolroom (which is ACNoded) - please do not attempt to use this grinder if you do not have access to the toolroom
Training is required for this tool it will be included in lathe training. It is powered via a 16A plug, the extension lead for which is kept in the metal shop toolroom (which is ACNoded) - please do not attempt to use this grinder if you do not have access to the toolroom


Note that this grinder must be used with a coolant - a separate bottle is located next to the machine which must be tipped into the sump of the grinder before operating. The coolant must be drained out between uses - we are planning to install some kind of drain cock at the base of the sump, but for now please just bail it out with a jug or something. Note that this coolant is topped up from the same bottle of oil used for the mill and lathe but once used on the grinder, this coolant will be contaminated with abrasive sludge that will damage other tools so please keep the used coolant separate.  
Note that this grinder must be used with a coolant - a separate bottle is located next to the machine which must be tipped into the sump of the grinder before operating. The coolant must be drained out between uses - we are planning to install some kind of drain cock at the base of the sump, but for now please just bail it out with a jug or something. Note that this coolant is topped up from the same bottle of oil used for the mill and lathe but once used on the grinder, this coolant will be contaminated with abrasive sludge that will damage other tools so please keep the used coolant separate.  
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