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Thread: Select machines

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    Question Select machines

    Hello
    I want buy some machines for my work shop but i don't know what kind if machine is better and is more suitable for my job.

    I make injection mold.
    I want use high feed rate machining(high efficiency machining).
    I write in below some detail of my machining specification on two method :


    First method:
    1- rough machining a 26"×28" mold base made of P-20 steel (28 to 32 HRC),
    machining time 4 hours,Payment programmed the trochoidal tool path in CAM software,

    Solid carbide 16-dim cutter-5 Flute End mill
    Spindle speed :6000 RPM
    Feed rate : 6000 MM/MIN
    radial Wide Of Cut: 1.3 MM
    Axis Depth Of Cut :33.7MM

    second method:

    2- Pocket roughing of 4140PH material
    Tool: 25-dia End mill
    Spindle speed: 3400 RPM
    Depth of cut: 1 MM
    Wide of cut: 19mm
    Feed rate: 5200 MM/Min

    please tell me what kind of below machines is the best for my job? Please advise me by classification?

    1-http://www.finetech.com.tw/e-html/box-850.html
    2-http://www.finetech.com.tw/e-html/ro1ler-850a.html
    3-http://www.finetech.com.tw/e-html/ep02-03.html
    4-http://www.finetech.com.tw/e-html/sml-1045-1.html

    Also please tell me what wind of machines is better for these tow method(Box way -Liner way-ball way-high speed machines)?
    Attention please that i want use this machine for several years by this method.
    Does i need two machine for roughing and finishing or not?
    I will be happy more if you help me by your information about your machines and your method to below address :
    semalocnc@Gmail.com

    Thank you
    Last edited by sml; 06-01-10 at 04:10 AM. Reason: mistak the mail address

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