H2-KV-27-A a friedrich flender ag bocholt Helical gearboxes H2

Flender/Flender Gear Units/Helical gearboxes H2

ated by means of different tool radiiand prole crowning by means of spherical tool prole (Table 2..1 2 Fundamentals of Bevel Gears Table 2.1 Overview of the major cutting methods for spiral bevel gears Manufacturing methodIndexing methodTooth trace curveTooth depthSlot widtha Prole crowningLengthwise crowning pinion wheel Zyklo-Palloid/ ZyklometContinuous Epicycloid Constant Variable Variable In the tool Radius difference PalloidContinuous Involute Constant Constant Constant _bIn the tool -method Continuous Epicycloid Constant Variable Variable In the tool Lead angle difference Spiroex/SpiracContinuous Epicycloid Constant Variable Variable In the tool Radius difference TRI-AC/PENTAC-FH Continuous Epicycloid Constant Variable Variable In the tool Radius difference Kurvex Single Circular arc Constant Variable Variable _cRadius difference Arcoid Single Circular arc Variable Variable Variable/ constantMachine kinematicsRadius difference 5-cut Single Circular arc Variable Variable Constant Machine kinematicsRadius difference Completing Single Circular arc Variable Constant Constant Machine kinematicsRadius difference Wiener 2-Spur Single Circular arc Constant Variable Variable In the tool Radius difference Wiener 1-Spur Single Circular arc Constant Variable Constant In the tool Radius differenceSemi-Completing Single Circular arc Constant Variable Variable In the tool Radius difference aAt root cone in normal section bTool with tip relief cTool with protuberance2.1 Classication of Bevel Gears 1 2.2 Gear Geometry 2.2.1 General This chapter deals with the macro geometry of bevel gears, leaving aside modications to the micro geometry which affect tooth contact (see Sect. 3.. Because of their conical nature, the macro geometry of bevel gears alterscontinuously along the face width. Therefore, bevel gears cannot generally bedescribed in such simplied way as cylindrical gears. The pitch cones of ahypoid gear pair can be obtained from different denitions (see Fig. 2.. I