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additional unwanted initial angle in steering system in adams model

additional unwanted initial angle in steering system in adams model

additional unwanted initial angle in steering system in adams model

(OP)
hi

i have changed the steering column joint from hooke to convel and i'm getting an additional 0.5 degree initial steering angle in every test...

can anyone help me with this?

what is causing ths?

thanks everyone for helping a lot

RE: additional unwanted initial angle in steering system in adams model

Probably your UJ phasing. Look at your plot of steering ratio vs SWA. You'll need to run it with lots of steps. you'll probably see the error there. How many UJS have you got in the column?

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm?

RE: additional unwanted initial angle in steering system in adams model

(OP)
Thanks Greg Locock for responding

i haven't used UJs i have used convel joints...

how can i change the joint phasing??? i have used 2 convel joints in the steering column...

here is my steering column hp:

RE: additional unwanted initial angle in steering system in adams model

Yes but when you had Hookes there may have been a problem with the phasing, which the CVs have eliminated. Your tie rod inners aren't symmetrical so you'll get a bit of a difference from that.

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm?

RE: additional unwanted initial angle in steering system in adams model

(OP)
hi Greg Locock

i have used symmetrical coordinates for the tie rods and i still get 0.39 deg initial steering wheel angle...

couldn't it be from the driver? or the unsymmetry of the whole vehicle?

thanks for helping me a lot in this forum

RE: additional unwanted initial angle in steering system in adams model

(OP)
in a step steer test i see an almost constant 0.37 deg steering wheel angle ... that's what i call initial steering wheel angle...

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