Mine vehicle axle wheel reductor planetary gear and manufacture method thereof
A technology of planetary gear and reducer, which is applied in the direction of gear lubrication/cooling, belt/chain/gear, and components with teeth, etc., which can solve the problem of complex force on the drive axle, harsh working environment, service life and reliability of planetary gear It is difficult to meet the problems of mine wheel side reducer, etc., to achieve the effect of improving strength and life, improving wear resistance and anti-gluing ability, and good lubrication
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Embodiment 1
[0030] Embodiment 1: A method for manufacturing a planetary gear of a mine vehicle car wheel reducer, comprising the following process steps:
[0031] (1) Forging: The ring gear 1 is obtained by forging the 20MnCr5 alloy material with a hardenability of H5 to ensure high-quality gear blanks. The forging is heated by an electric furnace, and the initial forging temperature and final forging temperature are strictly controlled;
[0032] (2) Rough turning: Carry out rough turning on the ring gear 1 on the lathe, and reserve 2mm machining allowance for the outer circle, end face of the ring gear 1 and the inner hole 2 of the planetary wheel;
[0033] (3) Preliminary heat treatment: normalize the ring gear 1 after rough turning at a high temperature of 940°C for 5.5 hours, and then temper at 620°C for 4.5 hours to obtain a refined grain structure;
[0034] (4) Finish turning: Carry out finish turning on the ring gear 1 on the lathe, on the hole wall of the inner hole 2 of the plane...
Embodiment 2
[0044] Embodiment 2: A method for manufacturing a planetary gear of a car wheel side reducer for a mining vehicle, comprising the following process steps:
[0045] (1) Forging: The ring gear 1 is obtained by forging the 20MnCr5 alloy material with a hardenability of H5 to ensure high-quality gear blanks. The forging is heated by an electric furnace, and the initial forging temperature and final forging temperature are strictly controlled;
[0046] (2) Rough turning: Carry out rough turning on the ring gear 1 on the lathe, and reserve 3mm machining allowance for the outer circle, end face of the ring gear 1 and the inner hole 2 of the planetary wheel;
[0047](3) Preliminary heat treatment: normalize the ring gear 1 after rough turning at 950°C for 5.5 hours at high temperature, and then temper at 630°C for 3.5 hours to obtain a refined grain structure;
[0048] (4) Finish turning: Carry out finish turning on the ring gear 1 on the lathe, on the hole wall of the inner hole 2 of...
Embodiment 3
[0058] Embodiment 3: A method for manufacturing a planetary gear of a car wheel side reducer for a mining vehicle, comprising the following process steps:
[0059] (1) Forging: The ring gear 1 is obtained by forging the 20MnCr5 alloy material with a hardenability of H5 to ensure high-quality gear blanks. The forging is heated by an electric furnace, and the initial forging temperature and final forging temperature are strictly controlled;
[0060] (2) Rough turning: Carry out rough turning on the ring gear 1 on the lathe, and reserve 2.5mm machining allowance for the outer circle, end face of the ring gear 1 and the inner hole 2 of the planetary wheel;
[0061] (3) Preliminary heat treatment: normalize the ring gear 1 after rough turning at 945°C for 5 hours at high temperature, and then temper at 625°C for 4 hours to obtain a refined grain structure;
[0062] (4) Finish turning: Carry out finish turning on the ring gear 1 on the lathe, on the hole wall of the inner hole 2 of ...
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