I created some larger diamond shapes and cut them out of solid surface material using 1/8", 1/4" and 1/5" bits at 35, 70 and 100 IPM. I was concerned that I was having a problem with my pinon and set screws again. The sides were not smooth but had chatter. The diamonds were cut with the longer points of the diamond on the X axis and the short points on the Y axis. He was happy with the results but I was unhappy with the quality of the cut.
He was concerned with how the corners would look. I told him that I could and proceeded to cut the shape out sentra using 1/8" end mill. When the carve hits the line of the Spindle RPM, if that RPM is different than the Macro one, then the spindle will only need to slightly adjust RPM rather than ramp up from an idle state which should happen very very quickly.A potential client asked if I could cut a grid out of 1/8" aluminum in a diamond shape for the openings in the doors for kitchen cabinets. In Gsender you could setup a macro to start the spindle at a specified RPM near the normal operating RPM, start the spindle wait a minute, then start the carve. And I believe Gsender will allow you to still use the display in inches even if the gcode itself is the mm version.
and due to mm using less decimal places to express the same values vs inches, the mm option is actually preferred since many senders have a decimal place limit and using too many decimal places can cause issues, inches will use one additional decimal place versus mm. When using Gsender (and openbuilds for that matter) I suggest using the “Grbl” post processor in mm or inches. This is true, BUT if you contact them they will provide the prior firmware before they made this change to fix (my approximate guess) 5% of the shipped XCP units having a connectivity issue by pushing out new firmware to all users, forcing them all to operate outside the design specs of GRBL… The XCP won’t connect to OpenBuilds because Inventables changed the baud rate on the XCP.
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