Universal Spur Gears Collection, module = 1

Universal Spur Gears Collection, module = 1

prusaprinters

Object Description:This is a collection of spur gears with a pressure angle of 20°, module = 1 and 12 to 40 teeth.You can easily modify this basic models for your needs with slicer functions only.For example:all models are 5mm thick. You can modify it by changing the Z-value only.add a round bore hole by adding a cylinder as a negative volume.add a square bore hole by adding a cube as a negative volume.add a elliptical bore hole by adding a cylinder with different X and Y values as a negative volume.add a recess by adding a positive volume.add a  round bore hole in horizontal direction for a thread insert, that you can fix the spur gear with a screw.these are just some examples. More modifications are possible and depends on your fantasy and your needs. Very important notes. Please read before print:All models will be automatically loaded with one tooth showing exactly in positive Y-direction.Please note that all spur gears with an uneven number of teeth will be loaded slightly out of its center to the print plate center.For this reason it is absolutely necessary that you correct its position to the print plate center right after the import before you start adding positive or negative volumes. Otherwise this additional volumes will be slightly out of center.Assuming that a pre-correction by me will fail with the use of other silcers than Prusa Slicer, I have provided a table with correction values for all provided spur gears in the download section.Please move the model by this value in positive direction first.If you are not sure in which direction you should move it, load the test piece and add a positive cylindrical volume of dia. 6mm to the middle of the print plate, and have a look to the gap of the bore hole with dia. 6.1mm. This test piece must be moved by 0,151mm in Y-direction to be in the middle of the print plate. Calculation of the center distance:a = center distance [mm]z1 = number of teeth of spur gear 1z2 = number of teeth of spur gear 2m = moduleFormula:  a = ( z1 + z2 ) * m / 2 Cross-references to other spur gears with different module:Spur Gear Collection, alpha = 20 deg., module = 0,7: Module0,7Spur Gear Collection, alpha = 20 deg., module = 0,8: Module0,8Spur Gear Collection, alpha = 20 deg., module = 0,9: Module0,9Spur Gear Collection, alpha = 20 deg., module = 1,25: Module1,25Spur Gear Collection, alpha = 20 deg., module = 1,5: Module1,5Spur Gear Collection, alpha = 20 deg., module = 2: Module2Spur Gear Collection, alpha = 20 deg., module = 2,5: Module2,5Spur Gear Collection, alpha = 20 deg., module = 3: Module3Spur Gear Collection, alpha = 20 deg., module = 4: Module4Spur Gear Collection, alpha = 20 deg., module = 5: Module5Cross-reference to a gear rack collection with the same modules as listed above:Gear Rack Collection, alpha = 20 deg, different modules: Gear Rack CollectionIf you need a version not available in the download section, don't hesitate to contact me. Print settings:Material: For best function Nylon is recommended, but PETG, PLA, ABS/ASA does also.Layer height: 0,15-0,30mm, depending on your applicationNozzle diameter: 0,4-0,6mm, depending on your applicationInfill: 20%-100%, depending on your applicationPerimeters: 2-X, depending on your applicationBrim: noSupport: no

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