1 Introduction
2 Fundamentals
2.1 Current methods and designs for in situ gear testing
2.2 Influence of loading torque and rotational speed on operating properties of gears
2.3 Functional principle of the new in situ gear test rig
3 Materials and methods
3.1 Materials and specimens
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| DIN 867 | Pinion | Gear |
Material | 100Cr6 | PBT Ultradur B 4520 | |
Module | 1 mm | ||
Pressure angle | 20 ° | ||
Number of teeth | 17 | 39 | |
Gear width | 8 mm | 6 mm | |
Profile shift | 0.2045 mm | −0.3135 mm |
Processing Parameter | Parameter setting |
---|---|
Screw diameter | 18 mm |
Mass temperature | 260 °C |
Mould temperature | 60 °C |
Injection/Packing/Cooling/Cycle time | 2.2 s/6 s/25 s/42.8 s |
Packing pressure | 600 bars |