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國際:參數化漸開線錐齒輪和直齒輪

2012-11-02 | 瀏覽量: 1105 买一套棋牌app需要多少
文章標簽:
這openscad腳本提供??槲?a href='//www.jbqtck.com.cn/zczcl' target='_blank' class='WithInLink' title='直齒錐齒輪'>直齒錐齒輪。它有一些重大的改進,在原有劇本thingiverse.com事:3534。它采用了直齒圓柱齒輪的命名代碼從theotherrob github.com / theotherrob /癥與我自己的代碼生成漸開線齒。錐齒輪也是我自己的工作。也謝謝埃爾默爾一些增強我原齒輪腳本thingiverse.com::3547。
改進包括錐齒輪???,反彈設置,參數化的一些方面的漸開線曲線和整個牙齒一代避免的一些問題,^初的劇本中有一個半鏡像時齒。
提供的補充交易日志不應直接使用,但相反的例子可以做什么的參數化腳本。
參數化漸開線直齒輪采取下列參數:
齒數
循環音高或經節:控件大小的牙齒(因而大小的齒輪)。
壓力角:控制形狀的牙齒。
清除:之間的差距,根之間的牙齒和牙齒上的一個點嚙合齒輪。
齒輪厚度:厚度的齒板。
輪緣厚度:厚度的齒輪邊緣(包括牙齒)。
寬輪輞:徑向距離根的牙齒邊緣內。
輪轂厚度:厚度部分周圍的孔。
輪轂直徑
孔直徑:大小孔的中間
界:一些圓孔削減在齒板。
反彈:空間之間的這本回齒輪齒和前其嚙合齒輪的齒齒輪時,正確地從它間距。
旋轉:使斜齒輪。
漸開線方面:一些面一側的漸開線齒形。如果這是略將1 / 4 $新生力量。如果沒有設置為新生力量,這將是5。
參數化漸開線齒錐齒輪(錐形)采取下列參數:
齒數
錐距離:距離從音高尖外圓直徑。
寬度:牙齒的長度。
外循環音高:節圓直徑在外面。
壓力角:定義形狀的牙齒。
清除:差距冰山的牙齒上的一個齒輪和根的牙齒上另一個嚙合齒輪。
孔直徑大小的孔在中間。
齒輪厚度:厚度的圓錐齒輪背錐齒輪完成(見下)。
反彈:使牙齒寬度較小,使齒間間隙的齒輪正確間隔允許制造公差。
漸開線直齒圓柱齒輪方面:如。
完成指定錐齒輪平面(0)或圓錐齒輪背錐(1)。如果你不指定這個參數,你會得到一個單位齒間距角度小于45度,背錐齒輪間距大于45度角。實例表明兩個小齒輪是一個單位。
更新:5.0實現隙錐齒輪(這不是工作在4.0)。
我廠主營:小模數齒輪 螺旋傘齒輪 傘齒輪 直齒錐齒輪 圓柱齒輪 縫紉機齒輪 割草機齒輪!
原文:
Parametric Involute Bevel and Spur Gears
This OpenSCAD script provides modules for both Spur and Bevel Gears. It has some major enhancements over my original gear script thingiverse.com thing:3534. It uses some of the spur gear nomenclature code from TheOtherRob github.com / TheOtherRob / MCAD with my own code for generating the involute teeth. The bevel gear is also my own work. Thanks also to elmom for some enhancements to my original gear script thingiverse.com : thing : 3547.

Enhancements include the Bevel gear module, backlash settings, parameterised number of facets for the involute curve and whole of tooth generation to avoid some of the issues the original script had when mirroring a half tooth.

The STLs provided are not intended for direct use, but instead show examples of what can be done with the parametric script.

Parametric Involute Spur Gears take the following parameters:
number of teeth
circular pitch or diametral pitch: controls the size of the teeth (and hence the size of the gear).
pressure angle: controls the shape of the teeth.
clearance: The gap between the root between teeth and the teeth point on a meshing gear.
gear thickness: the thickness of the gear plate.
rim thickness: the thickness of the gear at the rim (including the teeth).
rim width: radial distance from the root of the teeth to the inside of the rim.
hub thickness: the thickness of the section around the bore.
hub diameter
bore diameter: size of the hole in the middle
circles: the number of circular holes to cut in the gear plate.
backlash: the space between this the back of this gears teeth and the front of its meshing gear\’s teeth when the gear is correctly spaced from it.
twist: for making helical gears.
involute facets: the number of facets in one side of the involute tooth shape. If this is omitted it will be 1/4 of $fn. If $fn is not set, it will be 5.

Parametric Involute Profile Bevel (Conical) Gears take the following parameters:
number of teeth
cone distance: The distance from the pitch apex to the outside pitch diameter.
face width: The length of the teeth.
outside circular pitch: The circular pitch at the outside pitch diameter.
pressure angle: Defines the shape of the teeth.
clearance: Gap between the tip of the teeth on one gear and the root of the teeth on another meshing gear.
bore diameter: The size of the hole in the middle.
gear thickness: The thickness of the gear for bevel gear back cone finish (see below).
backlash: Makes the tooth width smaller to make a gap between teeth of correctly spaced gears to allow for manufacturing tolerances.
involute facets: As for spur gears.
finish: Specify either bevel gear flat(0) or bevel gear back cone(1). If you don’t specify this parameter you will get a flat gear for pitch angles less than 45 degrees and a back cone gear for pitch angles greater than 45 degrees. The example shows both with the small gear being the flat one.

Update: v5.0 Implements backlash for bevel gears (This was not working in v4.0).
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