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High wear-resistant iron based powder metallurgy internal spline, clutch cover and clutch

An iron-based powder metallurgy and internal spline technology, applied in the field of clutches, can solve the problems that engine power and output torque cannot be improved, reduce the performance and life of clutches, and the contact pressure of internal splines cannot be improved, and achieve friction pressure Improvement, improvement of wear resistance, performance and service life improvement effect

Active Publication Date: 2018-03-30
重庆译凌沛粉末冶金科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a circular outer cover in the structure of the clutch, which is used to set the internal spline, which is matched with the gear of the engine to transmit power, while the traditionally used internal spline is directly made of aluminum alloy , the engine power and output torque cannot be improved, the contact pressure of the inner spline cannot be increased, and the friction and wear suffered are serious. The dimensional accuracy of the inner spline cannot be guaranteed during the production process, and the service performance and life of the clutch are reduced. In the process, the cumbersomeness of the process will also increase the cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high wear-resistant iron-based powder metallurgy internal spline, the composition of which is graphite 0.35%, copper 0.8%, nickel 0.35%, manganese 0.8%, chromium 1.3%, niobium 0.1%, titanium 0.1%, aluminum 0.1%, the rest is iron, and the sum of each component is 100%.

[0023] In this embodiment, the manufacturing method includes mixing, pressing, sintering, shaping, and processing, and the specific steps are as follows:

[0024] 1) Mixing: select graphite powder, copper powder, nickel powder, manganese powder, chromium powder, niobium powder, titanium powder, aluminum powder and iron powder according to the proportion and mix them evenly for use to obtain a powder composition;

[0025] 2) Compression: Put the powder composition mixed in step 1 into the blade embedded mold, press 6T / cm at room temperature 2 -7T / cm 2 The pressure of compressing the powder composition into a product blank;

[0026] 3) Sintering: Send the product blank obtained in step 2 into a sinter...

Embodiment 2

[0030] A high wear-resistant iron-based powder metallurgy internal spline, the composition of which is graphite 0.45%, copper 0.95%, nickel 0.45%, manganese 0.95%, chromium 1.45%, niobium 0.15%, titanium 0.15%, aluminum 0.15%, the rest is iron, and the sum of each component is 100%.

[0031] In this embodiment, the manufacturing method includes mixing, pressing, sintering, shaping, and processing, and the specific steps are as follows:

[0032] 1) Mixing: select graphite powder, copper powder, nickel powder, manganese powder, chromium powder, niobium powder, titanium powder, aluminum powder and iron powder according to the proportion and mix them evenly for use to obtain a powder composition;

[0033] 2) Compression: Put the powder composition mixed in step 1 into the blade embedded mold, press 6T / cm at room temperature 2 -7T / cm 2 The pressure of compressing the powder composition into a product blank;

[0034] 3) Sintering: Send the product blank obtained in step 2 into a ...

Embodiment 3

[0038] A high wear-resistant iron-based powder metallurgy internal spline, the composition of which is graphite 0.5%, copper 1.0%, nickel 0.5%, manganese 1.0%, chromium 1.5%, niobium 0.2%, titanium 0.2%, aluminum 0.2%, the rest is iron, and the sum of each component is 100%.

[0039] In this embodiment, the manufacturing method includes mixing, pressing, sintering, shaping, and processing, and the specific steps are as follows:

[0040] 1) Mixing: select graphite powder, copper powder, nickel powder, manganese powder, chromium powder, niobium powder, titanium powder, aluminum powder and iron powder according to the proportion and mix them evenly for use to obtain a powder composition;

[0041] 2) Compression: Put the powder composition mixed in step 1 into the blade embedded mold, press 6T / cm at room temperature 2 -7T / cm 2 The pressure of compressing the powder composition into a product blank;

[0042] 3) Sintering: Send the product blank obtained in step 2 into a sinterin...

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Abstract

The invention relates to the technical field of clutches, in particular to a high wear-resistant iron based powder metallurgy internal spline, a clutch cover and a clutch. Compared with the prior art,the high wear-resistant iron based powder metallurgy internal spline comprises the following components by weight percentage: 0.35-2.25% of graphite, 0.8-2.8% of copper, 0.35-2.25% of nickel, 0.8-3.25% of manganese, 1.3-4.2% of chromium, 0.1-1.2% of niobium, 0.1-1.2% of titanium, 0.1-0.7% of aluminum, and the balance iron, and is prepared by mixing, pressing, sintering and other processes. The obtained internal spline and molten aluminum alloy are subjected to die-casting integrated forming so as to obtain the clutch cover with the internal spline, and the clutch can be obtained through assembly, the obtained internal spline, clutch cover and clutch have good wear resistance and long service life, also the production process is simple, and at the same time the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of clutches, in particular to a high wear-resistant iron-based powder metallurgy internal spline, and a clutch outer cover and a clutch equipped with the high wear-resistant iron-based powder metallurgy internal spline. Background technique [0002] The motorcycle clutch is a key component used to transmit or cut off the output power of the engine. There is a circular outer cover in the structure of the clutch, which is used to set the internal spline, which is matched with the gear of the engine to transmit power, while the traditionally used internal spline is directly made of aluminum alloy , the engine power and output torque cannot be improved, the contact pressure of the inner spline cannot be increased, and the friction and wear suffered are serious. The dimensional accuracy of the inner spline cannot be guaranteed during the production process, and the service performance and life of the clutch are r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/42C22C38/58C22C38/48C22C38/50C22C38/06C22C38/04C22C33/04B22D17/00F16B3/00F16D13/58
CPCB22D17/00C22C33/04C22C38/04C22C38/06C22C38/42C22C38/48C22C38/50C22C38/58F16B3/00F16D13/58
Inventor 李毅
Owner 重庆译凌沛粉末冶金科技有限公司
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