11/21/2020 0 Comments Cnc Usb Mk2
It will become very expensive in the finish before you get what you need.Adapter with DB25 (women) has proper pinout and I just plugged it in.For my tests it will become good but something even more effective would be better.Mechanicaly device is not really therefore week and might sometimes cut some aluminium.
The stepper runs that come with this machine arent verry good as nicely, i already acquired one of which the 5V supply failed. They fitted a linear reguIator that down transformed the 24V directly into 5V. Those government bodies are not really developed to dissipate such voltage falls. Im arranging on redesigning the whole control consumer electronics into one incorporated option that includes 4 stepper motorists capable of dealing with 5A and the Mk2h PIC Control. The cable chains where not really big enough to match all wires tubes (i actually have got a water cooled spindle) so i got to replace those mainly because nicely 1 hose installing of the spindle had been broken when it appeared, and they appear like poor quality, to brittle There are also 2 dishes of steel to cover the Times axis ball bearing spindle, those where rusty. I use the device to mill Aluminum on a regular time frame, and it does a wonderful job. One factor i noticed tho, is that you should not really generate helical paths for openings. Helical pathways make use of all 3 axis at the exact same period, and the power supply (10A) is certainly not able of producing enough current, so you miss some steps which will be off course devastating for the accuracy Another matter i observed, can be that when you shift the Z axis down tó DrillMill into thé material, the éntire XZ axis assembIy rotates around thé x axis á bit. All issues said and completed, its still a good device for the cost that you pay. As of today I have got replaced all cabling fór the steppers ánd the spindle. Replaced the chinese controller-bóx with á Mk24 credit card and stepper motorists from Andrej. All wires are of extremely good high quality (Lapp-lflex) and are usually shielded. I am thinking of altering the wire chains to some with a bigger capacity since the cables does not really quite fit. I am making use of one of Andréjs output-cards tó manage the VFD controlling the spindle and spindle cooling pump. The spindle rotation direction and rpm can now be managed by program code. My air conditioning pump is usually controlled by using the third output relay on thé output-card ás a servant to the relay used to manage spindle onoff. Everything will be put in a new 19 framework with XLR connectors for all wires. I have incorporated the china VFD in this framework and it works great. Some time I will consider to find the period to place up som images if any of you are interested.
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