Denso Window Motor Adapater to Marvin Windows
Description
Our Robotics Team Was Cleaning Up And We Had Extra Denso Car Window Motors. I'Ve Got A Marvin Casement Window In My Workshop That I Literally Have To Climb Onto My (Deep) Workbench To Open, Which Is A Pain. So My Plan Is To Motorize The Window By Replacing The Crank Handle With The Motor. This Is An Adapter From The Denso Shaft To The Marvin Crank Shaft. I Also Need To Finish The Design For An Mounting Bracket That Will Hold The Motor At The Correct Angle, But That'S A Project For Another Day. The Openscad File Is Included So You Could Adjust This To Other Adapters. I Had A Lot Of Issues Getting It To Fit Over The Two Shafts And It May Be A Little Loose For Long Term Use, But It Seems To Be Consistent With How Tight The Window Handle Is. There'S A Fudge-Factor Parameter That'S Passed To Both Spline Modules That Will Make The Holes A Little Larger To Adjust For Printing Variances (I Hate Measuring Something Exactly And Then Entering An Adjusted Number Directly, I'D Rather Have The Actual And Show That I'M Fudging It). A Later Revision May Include A Set Screw On One Or Both Ends. The Marvin Shaft Has A Gap In The Splines For One, But Since The Window Motor Will Be Mounted Firmly To The Frame, The Adapter Will Be Sandwiched. I'M A Little Worried That The 3D Printed Splines For The Window Shaft Aren'T Going To Hold Up. If That'S The Case, I'Ll Redesign To Use One Of These Adapters Http://Www.Hardwaresource.Com/Hinges/Shutter-Window/Truth-Window-Hardware/Male-Hex-Driver-Adapter-For-Truth-Window-Operators Which Slides Onto The Splines And Gives A 5/8" Hex Shaft To Work With. I Used These In My Previous House With An Extension Pole And They Worked Well Enough. It'Ll Make The Motor Sit That Much Further Out From The Window.
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