Super Simplex

This topic has 5 replies, 3 voices, and was last updated 24 October 2016 at 18:20 by Mike Lightfoot.

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23 October 2016 at 19:43 #262607
Mike Lightfoot
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@mikelightfoot72419
I have just started my super simplex and am waiting the delivery of some laser cut frames in 3mm so my question which is the most important measurement between frames, outside frames or frame centre line, I only ask because originally the drawing spec is 1/8 and I know there is only a bit in it i thought I would ask thanks.
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23 October 2016 at 19:43 #32813
Mike Lightfoot
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@mikelightfoot72419
Between frames
23 October 2016 at 19:56 #262609
Michael Topping
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@michaeltopping17870
I always maintain the outside dimension, usually 4.375 ". That way the cylinders and valve gear are in the designed position. In reality it is only 7 thou a side so won't make a big difference.

Michael
23 October 2016 at 20:21 #262615
Mike Lightfoot
Participant
@mikelightfoot72419
Michael, thanks that makes sense outside it is.
23 October 2016 at 22:07 #262625
stan pearson 1
Participant
@stanpearson1
Hi Mike

Michael is correct you must use the outside dimension to keep parts in line also you will find the end float on the axles will be wrong.

Stan
24 October 2016 at 18:20 #262778
Mike Lightfoot
Participant
@mikelightfoot72419
Stan, thanks for that confirmation I know it doesn't seem much but if I cut the stretchers on the mill which has a DRO it should be fairly close. Thanks again
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