A high-speed spindle is added to a DIY PM25 CNC mill and changes made to the LinuxCNC Fusion360 post processor to automatically switch between the secondary and primary spindles using request spindle speed. The two spindles, working together increases the capabilities of the machine while re-using all the motion hardware. The high-speed spindle is 2.2kW 24kRPM and the main spindle 0.75kW 5.5kRPM. Installation and cutting first part is shown. The VFD used is a Fuling. The audio of the second runout test was dropped. I can live with 2 tenths of runout.
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Bill of materials (Amazon Affiliate links):
VFD 2.2kw 220V Fuling Variable Frequency Drive 3HP frequency Inverter 10A amzn.to/2ZM4gZz
Square Air Cooled Spindle Motor 2.2KW ER20 24000rpm 220V 6A 400Hz amzn.to/2FxqmZc
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Chapters
00:06 - Introduction
02:00 - Design of and machining parts
02:43 - Installation
04:33 - Runout
09:02 - Alignment of spindles, and tool length
10:01 - LinuxCNC control
11:49 - Fusion360 post processor
14:18 - First aluminum part
#CNC, #LinuxCNC, #KvvCreates
Негізгі бет Companion High Speed Spindle, LinuxCNC
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