New Machine Build My DIY CNC lathe (Horizontal bed, Gang style)


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Thread: My DIY CNC lathe (Horizontal bed, Gang style)

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    Registered ptronix75's Avatar
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    Default My DIY CNC lathe (Horizontal bed, Gang style)



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Headstock box, 10mm laser cut metal sheet

    My DIY CNC lathe (Horizontal bed, Gang style)-img00593-20150128-1733-jpg



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    More detailed pics of the headstock.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00594-20150128-1734-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00597-20150204-1207-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00598-20150204-1207-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00599-20150204-1208-jpg  

    My DIY CNC lathe (Horizontal bed, Gang style)-img00607-20150208-1711-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00622-20150218-1745-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    مشاء الله الله ينور





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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Z axis linear bearing adjust.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00602-20150204-1621-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00601-20150204-1621-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00600-20150204-1620-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Spindle motor and inverter, ~1.5kw.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00633-20150218-1748-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00603-20150205-1805-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00631-20150218-1748-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    I love how simplistic the design is. Could you provide more in depth details about your headstock setup?
    thanks josh



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    this diagram is what I almost build my headstock according to

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-spindlecrosssection-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    after welding the head stock box sides together and sealed the inside and outside with thermal-silicon, I filled the box with lubrication oil up to the level of the hollow shaft.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00845-20150509-1110-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00846-20150509-1111-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00847-20150509-1111-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    this 10$ breakout board that I used to connect my lath to Mach3, you can recognize that it has 0-10v inverter speed control, what helped me to make mach3 control the spindle speed perfectly.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-750733382_553-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    I made a PCB that connected to a photo interruption sensor to count the spindle RPM, the output of the PCB goes to the (Index) input signal in Mach3 through the breakout board.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-im120712016_2-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00856-20150509-1117-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00689-20150325-1836-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00838-20150509-1104-jpg  

    My DIY CNC lathe (Horizontal bed, Gang style)-img00839-20150509-1105-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-04-schematic-png  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Later, I upgraded the index PCB to larger PCB that contain a control circuit of 5 relay output control in addition of the index circuit, I use #1 and #2 as spindle CW and CCW direction control, other relay outputs may used in coolant bump and other stuff.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00720-20150402-1012-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00714-20150331-1810-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00840-20150509-1107-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    I used 4.2A stepper motors,and a new Toshiba 6600 based stepper drivers (~15$) (5A), now I can run my axis up to ~3000 mm/Minute, this is enough for me.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00655-20150312-1514-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00848-20150509-1112-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00849-20150509-1113-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-ms-jpg  



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)





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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    X Axis bed.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-img00623-20150218-1745-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00625-20150218-1746-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00626-20150218-1746-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00627-20150218-1747-jpg  

    My DIY CNC lathe (Horizontal bed, Gang style)-img00629-20150218-1747-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00630-20150218-1748-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Sorry, I have a couple more questions. What bearings did you use and did you make the shaft or buy it?



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    I think you are missing the bed..
    Very different, thats for sure.

    When do you hope to do a test cut ?
    Whats teh spindle Hp ?



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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Dear Josh
    I used cone bearings (tapered bearings), and I made the shaft my self, I used a hard and thick (10mm) pipe, and welded a flange at the chuck end, more details in pics, please feel free to ask any more questions.

    using a hollow shaft allow me to machine long stocks.

    Attached Thumbnails Attached Thumbnails My DIY CNC lathe (Horizontal bed, Gang style)-tapered-components-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img0050204-1208-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00598-20150204-1207-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00597-20150204-1207-jpg  

    My DIY CNC lathe (Horizontal bed, Gang style)-spindlecrosssection-jpg   My DIY CNC lathe (Horizontal bed, Gang style)-img00623-20150218-1745-jpg  


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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    Quote Originally Posted by hanermo View Post
    I think you are missing the bed..
    Very different, thats for sure.

    When do you hope to do a test cut ?
    Whats teh spindle Hp ?
    Dear Han,
    I post the project step by step, later I'll post other steps that show the complete project and allot of fun details such as DIY tool holders and other interesting stuff

    The lathe now works fine and I had already cut some jobs, soon I'll post videos of test cut.

    The spindle is ~2HP, I think it need more power, may be I upgrade it later, excuse me for not making the perfect choices as this it my 1st DIY lathe.



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    Gold Member LeeWay's Avatar
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    Default Re: My DIY CNC lathe (Horizontal bed, Gang style)

    I think it looks great. You have plenty of room on the X for gang tools. My home made lathe only has about 5" X travel. It is enough for my use, but were I to do over, it would have more. Maybe double that.
    Looking good though. You used some nice parts.

    Lee


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My DIY CNC lathe (Horizontal bed, Gang style)

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