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New Lnb changer
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<blockquote data-quote="Trust" data-source="post: 949240" data-attributes="member: 181524"><p>Today I finished the new Fibo lnb changer for 6 different lnb positions .</p><p>The old one only could turn 180º and was controlled by a Omron PLC .</p><p>The new one is controlled by diseqc 1.2 via a Openbox F-500 , just made only 6 channels at different satellites .</p><p>I noticed that with diseqc 1.2 , the max rotation is 270º , maybe enough but I wanted more .</p><p>At the little SG E-motor is a gear with 11 teeth , I changed it for one with 16 teeth .</p><p>Therefor the motor must be displaced a mm .</p><p>[ATTACH=full]86734[/ATTACH]</p><p>That makes 392º rotation with the same amount of pulses possible and speeding it up.</p><p>By cutting-off a part of a second gear and fitting it together with the existing gear , I have a fully round gear .</p><p>[ATTACH=full]86731[/ATTACH]</p><p>Have to made two new cams (alu) , one for the end-switch and one for the zero switch .</p><p>[ATTACH=full]86732[/ATTACH]</p><p>To make shure there be no play in the future , loosen the bearing holder at one side just enough it could move with a little friction and attached a spring pushing the worm to the gear .</p><p>[ATTACH=full]86733[/ATTACH]</p><p>Made a new adapter plate to attach the lnb-holders for the , SL3K (2 positions lin / circ) the C lnb , the original Fibo feedhorn (Ku) the Inverto KAKUO and a spare place to test standard LNBF's .</p><p>Quite a job to put them all in te right place (focal dept / hight) , not optimal yet !</p><p>The feedarm with the equipment has a load of 5.5 kg .</p><p>[ATTACH=full]86735[/ATTACH]</p><p>Just for the movie I attached a Subreflector from a Fibo 90 to it .</p><p>[MEDIA=youtube]LN5JOURtLMc[/MEDIA]</p></blockquote><p></p>
[QUOTE="Trust, post: 949240, member: 181524"] Today I finished the new Fibo lnb changer for 6 different lnb positions . The old one only could turn 180º and was controlled by a Omron PLC . The new one is controlled by diseqc 1.2 via a Openbox F-500 , just made only 6 channels at different satellites . I noticed that with diseqc 1.2 , the max rotation is 270º , maybe enough but I wanted more . At the little SG E-motor is a gear with 11 teeth , I changed it for one with 16 teeth . Therefor the motor must be displaced a mm . [ATTACH=full]86734[/ATTACH] That makes 392º rotation with the same amount of pulses possible and speeding it up. By cutting-off a part of a second gear and fitting it together with the existing gear , I have a fully round gear . [ATTACH=full]86731[/ATTACH] Have to made two new cams (alu) , one for the end-switch and one for the zero switch . [ATTACH=full]86732[/ATTACH] To make shure there be no play in the future , loosen the bearing holder at one side just enough it could move with a little friction and attached a spring pushing the worm to the gear . [ATTACH=full]86733[/ATTACH] Made a new adapter plate to attach the lnb-holders for the , SL3K (2 positions lin / circ) the C lnb , the original Fibo feedhorn (Ku) the Inverto KAKUO and a spare place to test standard LNBF's . Quite a job to put them all in te right place (focal dept / hight) , not optimal yet ! The feedarm with the equipment has a load of 5.5 kg . [ATTACH=full]86735[/ATTACH] Just for the movie I attached a Subreflector from a Fibo 90 to it . [MEDIA=youtube]LN5JOURtLMc[/MEDIA] [/QUOTE]
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New Lnb changer
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