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A kind of composition for preparing anti-skid core and method for preparing anti-skid core

A technology for anti-skid nails and compositions, which is applied in the field of preparation of anti-skid nail core compositions and preparation of anti-skid nail cores, which can solve the problems of bulkiness, high density, and expensive cemented carbide, and achieve good toughness, low energy consumption, and simple formula Easy to get effect

Active Publication Date: 2019-06-14
ZHUZHOU MINGRI CEMENTED CARBIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure the wear resistance of anti-skid tires, the anti-skid stud cores used on anti-skid tires are generally made of hard alloy materials (as the Chinese patent application number is 200410007143, and the name is disclosed in the patent literature of "automobile tire anti-skid studs and manufacturing method" ), in order to improve the anti-skid performance, many people have improved the structure of the anti-skid nail, but few people have studied the material of the anti-skid nail core. Although the commonly used cemented carbide has the characteristics of high hardness and low temperature resistance, its density Large (usually at 12.0g / cm 3 ), appear too bulky, and hard alloy is expensive

Method used

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  • A kind of composition for preparing anti-skid core and method for preparing anti-skid core
  • A kind of composition for preparing anti-skid core and method for preparing anti-skid core
  • A kind of composition for preparing anti-skid core and method for preparing anti-skid core

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] According to the components specified in Table 1, prepare the anti-skid stud core composition, wherein the particle size of cobalt and nickel is 1.0-2.0 μm, the particle size of tungsten carbide is 2.0-6.0 μm, and the particle size of titanium carbonitride is 2.0 ~6.0μm, the particle size of molybdenum carbide is 1.0~2.0μm. The anti-skid nail core is prepared by powder metallurgy, and the specific steps are as follows:

[0046] S1. Take the above-mentioned composition for anti-skid nail core preparation, and then add ethanol with a grinding medium concentration of 95% in a volume-to-mass ratio of 500:1ml / kg to a ball mill, and use YG8 cemented carbide with an outer diameter of 10mm and a height of 16mm Balls, the rotating speed of the ball mill is set to 38r / min, the weight ratio of the adjustment grinding balls and the added composition for preparing the anti-skid stud core is 10:1 and the ball milling is carried out for 40h, and the mass ratio of the addition and the mi...

Embodiment 2～6

[0050] The difference between Examples 2-6 and Example 1 is that the compositions for anti-skid stud cores were prepared according to the proportions of the components specified in Table 1, and the rest of the conditions were the same. The test results are shown in Table 1.

Embodiment 7

[0052] The difference from Example 1 is that the composition for anti-skid stud cores is prepared according to the components specified in Table 1, but the particle size of cobalt and nickel is 1.0-2.0 μm, the particle size of tungsten carbide is 3.0-5.0 μm, carbon The particle size of titanium nitride is 2.0-6.0 μm, and that of molybdenum carbide is 1.0-2.0 μm. The test results are shown in Table 1.

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Abstract

The invention relates to a composition for preparing an anti-slipping rivet stem or rivet mandrel and a method for preparing the anti-slipping rivet stem or rivet mandrel. The invention adopts the optimized composition for preparing the anti-slipping rivet stem or rivet mandrel; based on the total mass of the composition, the composition for preparing the anti-slipping rivet stem or rivet mandrel is composed of the following components in percentage by weight: 5% to 15% of cobalt, 5% to 15% of nickel, 10% to 50% of tungsten carbide, 5% to 20% of molybdenum carbide and the balance being titanium carbonitride; and the anti-slipping rivet stem or rivet mandrel which has the advantages of good toughness, wearing resistance and light weight is prepared by utilizing a powder metallurgy method. The strength and toughness of the anti-slipping rivet stem or rivet mandrel prepared by the method are remarkably improved; meanwhile, the unit weight of the rivet stem or rivet mandrel is reduced so that the rivet stem or rivet mandrel is more convenient to use and energy saving is realized; the method is simple and stale to operate, has low energy consumption and is economical and environmentally friendly; and raw materials are cheap and easy to obtain so that the method is suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of anti-skid nail cores, and more specifically, relates to a composition for preparing anti-skid nail cores and a method for preparing anti-skid nail cores. Background technique [0002] Driving in ice and snow weather, due to the very low adhesion coefficient of the road surface, the tires are easy to slip, which greatly increases the risk of driving. In order to prevent the vehicle from slipping when driving in ice and snow weather, there are generally two ways to control it. One is to control the drive system of the vehicle's control system. However, this control system has poor versatility and needs to be redesigned for different models. Development, in complex winter road conditions, it is difficult to ensure the adaptability and reliability of the system; another anti-skid method is to use mechanical anti-skid measures to prevent tires from slipping. In the past, anti-skid chains were installed on tire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C29/04C22C29/02C22C30/00C22C1/05B22F3/16
CPCB22F3/16C22C1/05C22C1/051C22C29/005C22C29/02C22C29/04C22C30/00
Inventor 杨新跃
Owner ZHUZHOU MINGRI CEMENTED CARBIDE