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  • Users: duk748
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  1. duk748

    never seen this before - is it right?

    hello - i received a drawing from a vendor of a plate that has a tapered diameter at the front of it - i am attaching a sketch of the plate because of company rules - the datums on the tapered surface are angular and flatness - i dont think this is right - if it is i have never seen this used...
  2. duk748

    exporting an inventor sketch to autocad

    hello - i have a sketch that i made in inventor that is only a layout - i need to plot this sketch at a large scale but am having trouble - i have tried making a drawing out of the sketch alone and inventor will not let me do this - i have tried exporting the sketch to autocad as a drawing or...
  3. duk748

    complicated process in turning solid parts to weldment assemblies

    hello - the company i work for has a process in place to convert solid parts into weldments to create bom parts to export to excel spread sheets to generate part lists for purchasing, etc. - already this is getting complicated - our "inventor" expert has us take the solid, make parts from the...
  4. duk748

    missing object lines converting from inventor drawing to autocad dxf file

    hello - i was required to convert an inventor drawing to autocad dxf file by a customer - when the inventor drawing was saved as a dxf then the dxf was opened all the text, dimensions and object lines were there - if the inventor drawing was saved to and autocad file then made a dxf only the...
  5. duk748

    motor sizing for lead screw drive

    hello - sorry if this has been talked about before - i have a 3 1/2" dia. 5 threads/inch lead screw that is supported on 1 end mounted vertically lifting a 200# load - i am having trouble sizing a motor/sprocket drive system to move the screw up & down 36" in 3-4 sec.s - this is an existing...
  6. duk748

    transferring licence from one state to another

    hello - would like to get a student licence of soildworks - i live in ohio but will be taking online classes in arizona - if i register my solidworks in arizona can i transfer it to my home computer in ohio any help would be greatly appreciated - thank you
  7. duk748

    j1926 & j514 female port dimensions are different??

    hello - sorry if this is in the wrong forum - we have a manifold that was ported using a sae #6 j1926 tool (9/16"-18 thread)- we installed a transmitter which had sae #6 male threads - the transmitter is leaking at the o-ring seal - everything is machined right - i called the manufacture of the...
  8. duk748

    chx and nhx after part in toolbox

    in our toolbox parts of shc screws we have 2 of each item such as an m6 x 20 long - one has a chx extension & the other has a nhx extension after the part name - would like to know what this is and why we have double the parts except for this extension - thank you
  9. duk748

    sizing ac or d motor for acme screw

    hello - sorry to bother on a weekend but i have a small question or need help - i have an application that moves a horizontal load of 350 pounds on a set of thk linear rails at a cycle time of every 15 minutes at a total travel of 70" i am using an acme screw of 1 1/2" dia. 4 (.25" pitch)...
  10. duk748

    need source for k series 8k bar joist

    hello - i have been trying in vane to find a .stp of model of a 8k series k steel bar joist - does anyone have a source or can lead me to a website to get a model for this - any help would be greatly appreciated - thank you
  11. duk748

    floating nut for acme screw drive

    hello - i am designing an acme screw drive in the traditional way - acme nut threaded into a plate that is attached to a carriage mounted on linear bearings for guiding - acme screw is driven by electric motor w/ coupling & bearing blocks on each end as part of the complete screw assembly (nook...
  12. duk748

    using feature control on un finished surface

    hello - hope all is well - i was called out today during a drawing review by 2 people that i work w/ about using datum features on an unfinished surface - i was told in no uncertain terms never to do that again because "they were taught not to do that" - case in point i used the feature controls...
  13. duk748

    more of the same rant about drawing standards

    hello again - sorry to bring this same old beat the dead horse subject to the table again but i just have to rant considering i am getting nowhere w/ the people i work with - how can one engineering group be so blind as to drink the kool aid & believe everything that a cad package tells them -...
  14. duk748

    perpendicularity question

    hello - I was told today that I did not understand the use of perpendicularity - I have a piece that has 2 90 degree surfaces - the top surface is 10" long which is perpendicular to the front surface which is 36" long = the front surface is datum a the top surface is perpendicular to a within...
  15. duk748

    torque values for joining hot plates

    hello - i was wondering if there was a different torque value for joining 2 plates which are at a temperature of 150 degrees each or when the 2 plates are at room temperature - i believe there is but i cant seem to find what the variation or conversion is per unit of increase in temperature - we...
  16. duk748

    making animation from configurations

    hello - I have a pic & place device that I have configurations in the model for up/down & in/out - if & can I make an animation out of this using the already created configurations to make this move - I am using solidworks 2016 - any info or help would be greatly appreciated - thank you
  17. duk748

    tired of bad drawings

    hello - sorry for a monday mourning rant but here goes - last friday i brought a drawing to the attention of our engineering supervisor that had every dimension on the drawing as basic - datums taken from odd surfaces, incorrect use of true position & tolerances between holes set to .001+/-...
  18. duk748

    +/- ,13mm (.005") on length tolerance not possible

    hello - I have a small question - an outside company has designed a shaft for us which is approximately 3 meters in length - it is approx. 100mm in dia. - the length tolerance specified on the drawing is +/-.13 mm (.005") - someone in our group said that this tolerance is impossible to hold on...
  19. duk748

    +/- ,13mm (.005") on length tolerance not possible

    hello - I have a small question - an outside company has designed a shaft for us which is approximately 3 meters in length - it is approx. 100mm in dia. - the length tolerance specified on the drawing is +/-.13 mm (.005") - someone in our group said that this tolerance is impossible to hold on...
  20. duk748

    mirrored part drawing dimensions do not mirror

    hello - I have a need to make a right & left handed part - I saved the right hand part as a copy under a new name - opened the new part & then mirrored the part - re-saved the new mirrored part - opened the right hand part drawing & saved it as the new part - opened the mirrored part & set...

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