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  1. #1
    Junior Member
    Join Date
    Nov 2015

    ALBUS Lathe CNC Conversion

    [IMG]www.albusinnovation.com/1.jpeg[/IMG]ALBUS-Lathe CNC Conversion Spec

    The Lathe works in 3 Main modes:

    1.Manual Mode:
    Only Z- feed support
    DRO Support

    2.Power Mode:
    XZ -feed support
    DRO Support
    Semi automated functions like make Chamfer/Fillets/Cutting
    Homing and Goto functions

    3.G-code Mode:
    Reads Gcode from microSD disc and executes it
    Operates in Closed loop with DRO

    Digital Read out system (DRO):
    Diameter or X-Coordinates
    Price 50$ per Axis (Max330 mm)
    Keypad input of Zero/New data (X-Z-D)
    Resolution 0.01mm
    Uses modified WIXEY remote digital readout (Kit ~ 50$ each)
    For other applications it can connect direct to PC USB as a ASII com port
    Communicates with Lathe Controller (EMC protected) via plastic fiber
    No electrical ground or signal connections for EMC protection

    Extern Power Module:
    48V 10A for BLDC Spindle & 24V 10A for Stepper
    Separated Power Supply no Mains in the Lathe

    Controller Opto-Barrier to Drive Boards
    One Opto Barrier for each Driver(eg 3 for my Lathe)
    Supports Stepper or BLDC Motor drives
    Supports BLDC Tacho input
    Direct Break signals from Cover/Safety switch
    Contains Optical receiver for DRO Serial data 115200 baud
    The Power for Barrier is taken from the connected Drive Module
    Four input signals each from any type of sensor (+5 or +24)
    Reset function to set zero DRO absolute

    Lathe Controller:
    Uses OLIMEX PIC32-HMZ144 module with hardware floating point
    Price is only 30$ ((Electro Kit Sweden)
    Shield board with switches and led for the front panel
    4x20 char Display with Scroller and 4 keys
    One MPG wheel
    12 Key pad
    4 Opto-barrier connectors for 3D milling machine and BLDC
    Safety Keylock interface (Type car starter)

    Lathe Software:
    Built on Microchip Harmony free framework
    All written "ground up" in C with Microchip free tools
    Non Blocking code with ca 25 uS loopTime
    Uses Bresenham's line algoritm (Like all the rest of the world)

    Lathe Hardware:
    Built using SIEG C3 Lathe Spare parts (from Arc Euro Trade Ltd)
    90% of Conversing Parts done with Lasercut from DXF drawings
    Those can be reproduced by any local metal sheet company
    All Drawings are made in the free DraftSight CAD
    Click image for larger version. 

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    Last edited by nilswihlborg; 09-17-2018 at 08:38 AM.

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