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Wear-resistant gear for high-speed gearbox

A gearbox, high-speed technology, applied in belts/chains/gears, components with teeth, portable lifting devices, etc., can solve problems such as poor lubrication conditions, driving operations, gear wear, starting vibration, etc., to increase structural strength and Corrosion resistance, increased service life, and weight reduction effects

Active Publication Date: 2018-02-13
南京创贝高速传动机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the normal wear and tear of the gears, the quality of the lubricating oil, poor lubrication conditions, improper driving operation, and improper gnawing positions of the gear assemblies during maintenance will all cause gear impacts, poor gear teeth gnawing, and starting vibrations. etc. will accelerate the wear and damage of the gear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The wear-resistant gear for high-speed gearboxes in this embodiment has the following mass percentage components: C: 0.36%, Cr: 0.13%, Si: 0.22%, Mn: 0.9%, Zn: 1.78%, Cu: 2.25%, Ag: 0.46%, Au: 0.17%, Pt: 0.09%, Ni: 2.38%, W: 1.66%, Mo: 0.06%, Nd: 0.03%, Ce: 0.01%, Eu: 0.12%, Lu: 0.06%, Ti: 3.78%, AlN: 0.16%, S≤0.003%, P≤0.003%, talcum powder: 0.79%, magnesium oxide: 0.41%, tungsten carbide: 0.22%, montmorillonite: 0.85%, and the balance is Fe;

[0053] The production process of the wear-resistant gear for the high-speed gearbox includes the following steps:

[0054] (1) Smelting raw materials:

[0055] a. Add the raw materials into the furnace according to the mass percentage of each component in the wear-resistant gear for the high-speed gearbox, raise the temperature in the furnace to 1560 degrees Celsius to 1580 degrees Celsius, and the raw materials are smelted to form an alloy solution;

[0056] b. Cool the alloy solution obtained in the previous step, and use wa...

Embodiment 2

[0087] The wear-resistant gear for high-speed gearboxes of this embodiment is basically the same as that of Embodiment 1, except that its mass percentage components are: C: 0.52%, Cr: 0.18%, Si: 0.31%, Mn: 0.57%, Zn: 1.79%, Cu: 2.34%, Ag: 0.62%, Au: 0.18%, Pt: 0.14%, Ni: 2.47%, W: 1.66%, Mo: 0.08%, Nd: 0.04%, Ce: 0.02%, Eu: 0.13%, Lu: 0.04-0.07%, Ti: 3.78%, AlN: 0.33%, S≤0.003%, P≤0.003%, talcum powder: 0.87%, magnesium oxide: 0.43%, tungsten carbide: 0.26%, montmorillonite Stone: 0.36%, the balance is Fe.

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PUM

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Abstract

The invention relates to an abrasion-resistant gear for a high-speed gear box. The abrasion-resistant gear comprises C, Cr, Si, Mn, Zn, Cu, Ag, Au, Pt, Ni, W, Mo, Nd, Ce, Eu, Lu, Ti, AlN, S, P, talc powder, magnesium oxide, tungsten carbide, montmorillonite and Fe. The abrasion-resistant gear for the high-speed gear box has the advantages that raw materials for the abrasion-resistant gear contain the Zn, the Ni and the W, and accordingly the heat resistance and the corrosion resistance of the gear can be improved.

Description

technical field [0001] The invention relates to a wear-resistant gear for a high-speed gearbox, belonging to the technical field of auto parts. Background technique [0002] The gearbox mainly refers to the gearbox of the car. It is divided into manual and automatic. The manual transmission is mainly composed of gears and shafts, and the variable speed and torque are generated through different gear combinations; while the automatic transmission AT is composed of a hydraulic torque converter, a planetary gear and a hydraulic control system. Variable speed and torque are achieved through hydraulic transmission and gear combination. However, whether it is a manual transmission or an automatic transmission, transmission gears are required. [0003] Transmission gears often work at high speeds, high loads, and constant alternation of speeds and loads. In addition to the normal wear and tear of the gears, the quality of the lubricating oil, poor lubrication conditions, imprope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/16C22C38/08C22C38/18C22C38/04C22C38/02C22C38/12C22C38/14C22C33/04B22C9/04C21D1/18C23C4/131C23C4/08C23C4/18C03C8/00F16H55/17F16H55/06
CPCB22C9/04C03C8/00C21D1/18C22C33/04C22C38/002C22C38/005C22C38/007C22C38/02C22C38/04C22C38/08C22C38/12C22C38/14C22C38/16C22C38/18C23C4/08C23C4/18F16H55/06F16H55/17F16H2055/065
Inventor 陆树根
Owner 南京创贝高速传动机械有限公司
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