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Type: Posts; User: PhilipTheArab

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  1. Re: please help regarding finishing quality milling wood

    yes

    I went down with the step over to 10% of the bit diameter and the result is perfect

    I did not blow the dust yet, I will be engaged in other matters for few days, but I wanted to report the...
  2. Re: please help regarding finishing quality milling wood

    I am using carveco/artcam for toolpath generation and linuxcnc for control. Blender and fusion360 for 3d.

    I thought the same as you mentioned, and I am trying to experement with artcam settings....
  3. Re: please help regarding finishing quality milling wood

    I will give it a try

    Thanks for taking the time to help

    Philip
  4. please help regarding finishing quality milling wood

    Good day

    Please see photo

    I used end mill 3mm for finishing

    feed rate 25mm/sec
    step over is 30%
    spindle speed 8000 rpm
    depth of the cut 8mm
  5. Re: clearing the chips and chips getting welded to the edge of the cut

    I could not edit my last post

    I found the limits


    I do not see the depth of cut per pass (stepdown) figure used in the chip load calculation
  6. Re: clearing the chips and chips getting welded to the edge of the cut

    Very helpfull

    I will use this method for calculation.

    Good since you are using metric units

    what is the limit surface speed for steel and carbide tool in metric?
    And the chipload per tooth...
  7. clearing the chips and chips getting welded to the edge of the cut

    I am trying to understand the basics of milling while trying to put my DIY milling machine into use.


    trying to mill 20 mm circle cut (2d tool path) in 8 mm steel plate

    I used the following...
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    Re: Latency test

    glx does not seem to make differance.

    but youtube does

    just open 6 you tube videos and wait awhile
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    Please critique my CNC machine

    I decided to have bt-30 spindle but not clear on the motor

    AC- servo or induction motor. The induction motor seem heavy and I have 16 mm ball screw on the Z-axis

    The other thing do I need to...
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    Re: making sure before I place the order

    I am little behind.

    I could not take the video.

    The 3d printer takes long time to print the parts. I am using 100 % infill. I saved about half the time after using. 6 mm nozle.

    The...
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    Re: making sure before I place the order

    I ordered from Aliexpress only one time before. It took over 90 days to recive the package. That was a while back during the begining of the COVID19. I was hoping they improved.

    All my orders from...
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    Re: making sure before I place the order

    I can not value enough all the posting here which helped me understand.

    I feel more confident now than a couple of days ago.



    Thanks all
  13. Replies
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    Re: making sure before I place the order

    many thank

    I saw this video.

    He bought a bt-30 ATC one year later.

    Yes I was reluctant between AliExpress and ebay.

    What I observed with ebay that while they have large selection, they...
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    Re: making sure before I place the order

    Great

    Almost there

    I have the spindle you linked as item in Aliexpress basket.


    Now the last question (haha)

    I have seen some milling heads spindles specifying a pull-stud M12x45 degree.
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    Re: making sure before I place the order

    very good

    So I will read the specs about the type of bearings they have and I will check with the vendor.

    I already sent the vendor a question about the draw bar, they said the draw bar not...
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    making sure before I place the order

    I want to buy BT-30 power head from this link


    https://www.aliexpress.com/item/32819388833.html?spm=a2g0o.cart.0.0.44f03c00OezPmD&mp=1

    I want to make sure that I buy the matching tool holder...
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    Re: Motor shaft collet chuck

    very good

    I will test my nema-34 Z axis stepper motor to see if it can lift 35kg (The weight of bt-30 + )

    if it can, I will place the order


    many thanks
  18. Replies
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    Re: Motor shaft collet chuck

    many thanks mactec for very direct replies

    OK

    Now I understand that I have to use something like bt-30 power head belt driven. I am only worried about the load on the Z-stepper motor.

    I am...
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    Motor shaft collet chuck

    hello
    I am 90% done with my milling machine. I made it rigid enough for 8 mm tool milling steel

    My question

    I found a motor that weigh around 15 kg and I want to attach ER20 to the end of the...
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    Re: My Z axis motor acting weird.

    I will give it a try tonight before tossing that board.

    I do nothing now without crimping and proper solid connections. I learned the hard way.

    Thanks
  21. Thread: Help

    by PhilipTheArab
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    Re: Help

    Lose/improper connections in my case has caused the weirdest results including drivers and motors failing.

    In one case I found that I had partialy fucnctioning break-out board because of a lose...
  22. Thread: Help

    by PhilipTheArab
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    Re: Help

    Did you try to swap wirings/drivers/motors?
  23. Replies
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    Re: GRBL Uno Breakout Board / Shield Board

    Very good

    Thanks




    I have a break-out board that came with the equipment.It failed and I replaced it with Arduino Uno/v3 sheild. But I control the spindle motor outside the board and just...
  24. Re: my stepper(Nema 34) datasheet says 5.5 Amps per phase. driver max 6 Amps

    Thanks peteeng

    Yes

    I will start with a safe current settings and when I build the x/z carrage, I will test it on temporary runway using 20 mm ball screw with 2 ball nuts (not back to back but...
  25. my stepper(Nema 34) datasheet says 5.5 Amps per phase. driver max 6 Amps

    my stepper datasheet says 5.5 Amps per phase. driver max 6 Amps

    trying to figure what current limit (Amps) settings I should set the driver at.

    The stepper motor data sheet (attached) says 5.5...
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    Re: My Z axis motor acting weird.

    Yes

    Those are the ones

    After seeing your post I grabed my only lipo connector and it fits. I will need 9 of those, three per motor.

    I know where they sell those localy. I have to drive 300...
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    My Z axis motor acting weird.

    I have 3018 router (toy). last time before the issue I am going to describe, I pluged in the power cable to the driver board
    and observed some sparks coming out. Then I corrected the power supply...
  28. Re: need some advise regarding the voltage supplied to a small stepper motor

    I can not thank you both enough

    So the response time of the system improves with a high rated driver.

    Thank you all
  29. need some advise regarding the voltage supplied to a small stepper motor

    I have a stepper motor with name tag of 1.2 Amps

    not sure if this is per phase or for both phases.

    Any way I set the tb6600 at 2Amps in order to get it to a reasonable warm-hot (I still can...
  30. Re: issue with stepper motor using A4988,CNC sheild and grbl library

    I could have stopped the reporting here, but I did not feel comfortable in case someone reading I might confuse him.

    I find several issues

    while it is true that pumping the acceleration up has...
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