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Injection molding abrasion-resistant modified material

A modified material and injection molding technology, which is applied in the field of injection molding wear-resistant modified materials, can solve the problems of production impact, fast slider movement speed, etc., and achieve the effect of low processing cost, low material cost and excellent performance

Inactive Publication Date: 2012-01-18
BEIJING POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large force on the slider and the fast movement speed of the slider, the slider needs to be replaced in about five days, and the replacement of the slider needs to be stopped and disassembled, which has a great impact on production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The components contained in the inventive injection molding wear-resistant modified material and the weight percentages of each component are as follows: polyamide, 9.28Kg (92.8%); modified lubricating oil, 0.35Kg (3.5%); basic lead sulfite, 0.22 Kg (2.2%); antioxidant 1010, 80g (0.8%); titanate coupling agent (NDZ-101), 20g (0.2%); silane coupling agent (KH570), 50g (0.5 %).

[0032] In the modified lubricating oil: 0.014kg (4%) of rare earth isooctanoate; 0.336kg (96%) of transformer oil.

[0033] The specific production process: Transformer oil and isooctanoic acid rare earth are mixed at high speed (12000r / min) before use. First, the polyamide 6 (PA6) resin is put into the melting and mixing kettle, and heated into the kettle through the induction coil. After the PA6 resin inside is melted, add the prepared modified lubricating oil and additives (titanate tyrosine coupling agent NDZ-101, silane coupling agent KH570, antioxidant 1010) into the kettle, and at the sam...

Embodiment 2

[0035] The components contained in the inventive injection molding wear-resistant modified material and the weight percentages of each component are as follows: polyamide, 9.5Kg (95%); modified lubricating oil, 0.325Kg (3.25%); basic lead sulfite, 0.11 Kg (1.1%); antioxidant CA, 41.5g (0.415%); titanate coupling agent (NDZ-101), 12g (0.12%); silane coupling agent (KH570), 11.5g (0.115%) .

[0036] In the modified lubricating oil: 0.0013 kg (0.4%) of rare earth isooctanoate; 0.3237 kg Kg (99.6%) of No. 20 aviation lubricating oil.

[0037] The specific production process: Stir the two materials of No. 20 aviation lubricating oil and isooctanoic acid rare earth at high speed (10000r / min) and wait for use. Heating, when the PA6 resin in the kettle is melted, then add the prepared modified lubricating oil and additives (titanate coupling agent NDZ-101, silane coupling agent KH570, antioxidant CA) into the kettle, at the same time Add basic lead sulfite, stir and keep warm for ab...

Embodiment 3

[0039]The components contained in the inventive injection-molded wear-resistant modified material and their weight percentages are as follows: polyamide, 99.2%; modified lubricating oil, 0.7%; basic lead sulfite, 0.02%; antioxidant 1010, 0.01 %; Titanate coupling agent (NDZ-101), 0.03%; Silane coupling agent (KH570), 0.02%.

[0040] In the modified lubricating oil: 4.4% of rare earth isooctanoate; 95.6% of transformer oil.

[0041] The specific manufacturing process is similar to embodiment 1.

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Abstract

The invention relates to an injection molding abrasion-resistant modified material which comprises the following components in percentage by weight: 99.2-92.8% of polyamide 6, 0.7-3.5% of modified lubricating oil, 0.02-2.2% of alkali lead sulfite, 0.01-0.8 percent of antioxidant, 0.03-0.2 percent of chrome titanate coupling agent NDZ-101 and 0.02-0.5 percent of silane coupling agent KH570, wherein the modified lubricating oil comprises the following components in percentage by weight: 0.4-4.4% of isooctoate of rear earth metal, and 99.6-95.6% of lubricating oil, and the lubricating oil is one of No.20 aviation lubricant and transformer oil. The material provided by the invention can be used for injection molding for molds, is especially prepared for sliding blocks of mechanical devices, has lower cost, is abrasion resistant and has the advantages of small friction coefficient, good self lubrication performance and better mechanical property; and the service life of the manufactured sliding blocks is multiplied than that of the sliding blocks manufactured from PA6 or cast iron.

Description

technical field [0001] The invention relates to an injection molding wear-resistant modified material. Background technique [0002] The slider is a part that reciprocates in the guide rail. In some existing mechanical equipment, cast iron materials are often used to make slider parts. The material of the slideway is cast steel. This type of slider is very easy to be worn during the working process. , needs to be replaced frequently, and the average service life of some enterprise equipment is about five days (120 hours). It is understood that in order to reduce the wear of the slider and improve the service life, the company requires workers in each shift to add lubricating oil between the slider and the guide rail when they go to work and after get off work. Although, the service life of the parts has been improved, but it makes the machine equipment very dirty. Because the slider is subjected to a large force and the movement speed of the slider is fast, the slider will...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08K13/02C08K3/30C08K5/54C08K5/098
Inventor 付宏生王利明贺红
Owner BEIJING POLYTECHNIC
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