http://themakersguide.com Converting a Grizzly G0704 to CNC requires I remove the milling table to replace the leadscrews and leadscrew nuts with Ballnuts and holders.
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Making a CNC Milling Machine – Remove The Milling Table

http://themakersguide.com Converting a Grizzly G0704 to CNC requires I remove the milling table to replace the leadscrews and leadscrew nuts with Ballnuts and holders.
source