Forging Gear Shafts Circle Mechanical Shaft Weight 1.5kg
The number of teeth of the gear shaft is 85 and the weight is 1.5kg, The structure of gear shaft after normalizing is: F+S for hypoeutectoid steel, S for eutectoid steel, S+ secondary cementite for eutectoid steel, and it is discontinuous.
1. Normalize the heating temperature
Usually, the heating temperature of hypoeutectoid steel is usually 30 ~ 50℃ above Ac3, and the normalizing temperature of medium carbon alloy steel is usually 50 ~ 100℃ above Ac3. After a certain period of heat preservation, the cooling method is called high temperature normalizing. FIG. 6 shows the heating temperature of 42CrMo
2. Normalize heating and holding time
Heat preservation time, this problem is more complex, generally determined by the test, but there is an empirical formula: T = αKD T - heat preservation time (min) α - heating coefficient (min/mm) K - workpiece heating correction coefficient D - effective thickness of the workpiece (mm).
Product specification:
| modulus | 1.79 |
| number of teeth | 85 |
| tooth depth | 9.39 |
| tooth width | (44±0.1) |
| weight | 1.2kg-2.0kg |
| material | 8620H |
| appearance | circle |
| gear surface hardness | 58-63 |
| tooth line shape | involute |
| application | engineering machinery |
| product description: | engineering core components |
| accuracy of gear | 8-10 |
| processing module | 1.5-1.8 |
| gear type | involute external spline |
| materials | low carbon alloy steel |
| surface treatment | carburizing and quenching |
| processing technic | forging+machine work+heat treatment |
| fabricating machinery | mechanical press+digital controlled lathe+machining center |
| checkout equipment | Klingberg Gear Btesting Center+Zeiss CMM+Mitoyo contourgraph |
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| engineering shaft |
| shaft mechanical engineering |
| electric motor shafts |
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| gears and shafts |
| spur gear shaft |
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| machine shaft |
| external involute spline |
| involute shaft |
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