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  1. 02-02-2014 #2
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom.
    Clive S
    Last Activity: 7 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 3,342. Received thanks 618 times, giving thanks to others 82 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Quote Originally Posted by paulus.v View Post
    hello everyone,

    I am trying now to sort out the electrical part... and cannot find information on the current ratings of cable sizes.

    I will buy drag chains and flexible screened cables from Igus and don't know what size to chose for the cables. I know that thicker is safer but thick cables need bigger bending radius and I don't have to much space. I want to go with EasyChain series E14 with 38 or 48 mm bending radius.

    My stepper motors are rated at 4A/phase. Will I be safe with 0.75mm˛ wires? Or should I go with 1mm˛? Or even 1.5mm˛? The longest cable will have 4.5m.

    The spindle will be a 2.2KW chinese. Is 1.5mm˛ fine or should go 2.5mm˛? Will be 5.5m long.

    Thanks.
    Hi. If this helps I have gone with Igus chain part No. B15.038.038.0 50mm wide. 1mm 4 core cy cable for the steppers and spindle with no problems. Re the chain you have to allow in the width for two water pipes say 7mm plus cy cables and home switch cable etc. ..Clive
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