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A kind of preparation method of 800mpa level heat treatment wheel

An 800mpa, wheel technology, applied in heat treatment equipment, heat treatment furnaces, manufacturing tools, etc., can solve problems such as weak resistance to deformation, achieve the effect of reducing the weight of a single wheel, benefiting mechanical properties, and improving strength

Active Publication Date: 2022-04-01
LIAONING HENGYE HI TECH NEW MATERIAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with ordinary wheels, lightweight wheels have thinner walls and relatively weaker deformation resistance

Method used

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  • A kind of preparation method of 800mpa level heat treatment wheel
  • A kind of preparation method of 800mpa level heat treatment wheel
  • A kind of preparation method of 800mpa level heat treatment wheel

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Embodiment Construction

[0035] A method for preparing an 800MPa grade heat-treated wheel, comprising the following steps:

[0036] Step 1) select steel, the chemical composition mass percentage composition of steel is: C 0.19, Si 1.13, Mn 1.76, Al0.04, P 0.018, surplus is Fe and unavoidable impurity; The tensile strength of described steel is 670MPa, the yield strength is 450MPa;

[0037] Step 2) as in Figure 1-4 As shown, the wheel spoke 3 with a qualified size is manufactured by using a conventional production process with steel, the thickness of the spoke sheet is 9 mm, and the thickness of the four air holes after processing is 5.5 mm, and the wheel rim 1 with a qualified size is manufactured with a conventional production process with steel. After the flash butt welding process, the weld seam is annealed, and the expansion amount of the expansion process is 25mm; the wheel spoke 3 and the wheel rim 1 are made of a qualified wheel by synthetic welding process, and the welding wire composition i...

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Abstract

The invention belongs to the field of mechanical manufacturing, and in particular relates to a method for preparing an 800MPa heat-treated wheel. The technical scheme is as follows: step 1) select steel, the chemical composition mass percentage of steel is: C 0.15~0.20, Si 0.7~1.17, Mn 1.2~2.2, Al 0.02~0.06, P 0.015~0.02, the balance is Fe and unavoidable Impurities; Step 2) Utilize the selected steel to produce qualified wheel spokes and wheel rims using conventional production processes; adopt conventional production processes to synthesize the wheel spokes and wheel rims into qualified wheels; Step 3) to the described Carry out heat treatment on the wheel. The heat treatment process is as follows: first, heat the wheel to 890-910°C, take it out of the furnace, cool it to 780-786°C in the air, cool and quench it in a salt bath to 265-275°C, and then heat it to 400-420°C ℃, air cooling to below 100 ℃ and hot water washing. The external dimensions of the wheel prepared by the invention meet the standard requirements, and the overall physical properties are optimized.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing, and in particular relates to a method for preparing an 800MPa heat-treated wheel. Background technique [0002] When making steel wheels, the conventional production process of wheel spokes includes: blanking, punching center holes and bolt holes, spinning, blowing holes, expanding bolt holes, and turning; the conventional production processes of wheel rims include: rolling, flashing Welding, rolling, end cutting, compound rounding, flaring, rolling, expanding and shaping, punching valve holes; wheel spokes and wheel rims are made into wheels through synthetic welding processes. [0003] At present, the high-strength materials used in the traditional manufacturing process of steel wheels generally use materials with a tensile strength of about 400 MPa, and the highest individual ones are only about 700 MPa. The main reasons are: first, the processing capacity of the equipment is insuffici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/06C21D9/34C21D1/607C21D1/18C21D9/50C21D1/26B23P15/00
CPCC21D1/18C21D1/26C21D1/607C21D9/34C21D9/50C22C38/002C22C38/02C22C38/04C22C38/06B23P15/00C21D2211/001C21D2211/008
Inventor 衣江华孙琪郭吉喆
Owner LIAONING HENGYE HI TECH NEW MATERIAL
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