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Rubber spring material for automobile braking double-cavity serial brake valve and preparation method thereof

A rubber spring and automobile braking technology, which is applied in the field of rubber spring materials for automobile brake double-chamber series brake valves and their preparation, can solve problems such as dependence on imports, save foreign exchange, prevent material shortage and flow marks, and achieve excellent performance. Effects of aging-resistant materials

Inactive Publication Date: 2011-08-31
DATWYLER SEALING TECH ANHUI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, at present, domestic large and medium-sized vehicles all rely on imports of rubber parts for dual-cavity tandem brake valves, which is also a technical bottleneck in the domestic auto industry.

Method used

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  • Rubber spring material for automobile braking double-cavity serial brake valve and preparation method thereof
  • Rubber spring material for automobile braking double-cavity serial brake valve and preparation method thereof
  • Rubber spring material for automobile braking double-cavity serial brake valve and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Each raw material component is by weight ratio:

[0043]

[0044] The active agent is imported zinc oxide; the lubricant is imported microcrystalline wax; Grind carbon black. Its preparation method is as follows:

[0045] (1), each raw material component is mixed according to the weight ratio, and the molded part is pressed;

[0046] (2) Open the mold, put in the molded parts, and vulcanize. The vulcanization temperature is 165-175°C, the time is 330s, and the pressure is 80-120kgf / cm 2 ;

[0047] (3), the vulcanized molded parts are punched and trimmed;

[0048] (4) The die-cut formed parts are inspected, packaged, and put into storage to obtain products.

Embodiment 2

[0050] Each raw material component is by weight ratio:

[0051]

[0052] The preparation method is the same as in Example 1.

Embodiment 3

[0054] Each raw material component is by weight ratio:

[0055]

[0056] The preparation method is the same as in Example 1.

[0057] According to the above raw material ratio and preparation process, the rubber spring for automobile brake double chamber series brake valve has a strength of 20MPA, a tear strength of 31KN / m, and low compression deformation (70°C × 24h, 25% compression ) is 12%, brake fluid resistance (70°C×70h) and aging resistance (70°C×24h) are +1 and +3 respectively.

[0058] The acquisition of the above-mentioned excellent properties should be the result of the synergistic effect of the various components of the rubber raw material of the present invention, that is, the present invention achieves far more than Technical effects of prior art.

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Abstract

The invention discloses a rubber spring material for an automobile braking double-cavity serial brake valve and a preparation method thereof. The rubber spring material comprises the following raw materials in parts by weight: 80 to 120 parts of natural rubber, 4 to 6 parts of activating agent, 1 to 3 parts of lubricating agent, 0.3 to 0.8 part of antiscorching agent, 2 to 4 parts of vulcanizing agent and 75 to 125 parts of carbon black. The preparation method comprises the following steps of: performing hybrid forming on the raw materials; vulcanizing; removing edges through punching; and detecting. The prepared rubber spring material for the automobile braking double-cavity serial brake valve has the advantages of high strength, tear resistance, low compressive deformation, brake fluid resistance and superior aging resistance; qualification rate and production efficiency of a product can be guaranteed by using a vulcanization molding process; and a domestication process of high-end automobile parts is accelerated.

Description

technical field [0001] The invention relates to a rubber spring material for a dual-cavity series brake valve of an automobile brake and a preparation method thereof, in particular to a rubber spring material for a dual-cavity series brake valve of an automobile brake and a preparation method thereof. Background technique [0002] The braking device is a device that decelerates the moving car forcibly until it stops, or maintains a certain speed when the car goes down a long slope, so as to ensure that the car can reliably stop on the slope and not slippery on the spot, which is related to driving safety. In various braking methods, the dual-chamber series brake valve is a very widely used component. [0003] The brake dual-cavity series brake valve is the core component to achieve the purpose of braking by using the hand brake system. When the vehicle brakes, the tappet seat pushes the piston down through the rubber spring, opens the intake valve, and closes the exhaust va...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08K13/02C08K3/04C08K3/22C08K5/14
Inventor 夏鼎湖马小鹏袁玉虎何志坚方荣平
Owner DATWYLER SEALING TECH ANHUI
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