DCT gear face
DCT Conjunction Gear of 3 tooth height is 2kg in weight, The hardness of the product is 150-180Hb. There are many hardness classifications, among which brinell hardness is determined by the depth of indentation plastic deformation.
The HRA scale ranges from 20 to 88HRA. The following conversion relationship can be obtained from ASTM E140:
27 hra material 30 HRB
20 HRC 60 hra material 100 HRB material
85.6 68 HRC HRA material
It can be seen that the HRA scale covers the range of hardness from mild steel (HRB), hard steel (HRC) to hard alloy. In fact, however, HRA scales are rarely used to test mild steel, and are mainly used to test thin hard steel plates, deep carburized carbon steel and cemented carbide.
| modulus | 1.5-1.8 |
| number of teeth | 42-60 |
| tooth depth | 2-4 |
| tooth width | 4-5 |
| weight | 1-3kg |
| material | 20MnCrS5,20CrMnTi |
| appearance | circle |
| gear surface hardness | 150-180HB |
| tooth line shape | involute |
| application | DCT transmission core components |
| product description: | for power transmission purposes and gear-shift |
| accuracy of gear | 7-10 |
| processing module | 1.5-1.8 |
| gear type | involute gear |
| materials | low carbon alloy steel |
| surface treatment | carburizing and quenching |
| processing technic | forging+heat treatment+machine work |
| fabricating machinery | mechanical press+CNC Lathe+machining center |
| checkout equipment | Klingberg Gear Btesting Center+Zeiss CMM+Mitoyo contourgraph |
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