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Super-antiwear cast form nylon pulley and processing method thereof

A casting nylon, pulley technology, applied in belt/chain/gear, portable lifting device, hoisting device, etc., can solve the problems of reducing the service life of supporting parts, easy to damage the wire rope, poor wear resistance, etc., to enhance the whole machine Excellent performance, excellent mechanical properties and good shock absorption

Inactive Publication Date: 2007-10-31
扬州赛尔达尼龙制造有限公司
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AI Technical Summary

Problems solved by technology

[0002] Traditional pulleys mostly use cast iron or cast steel. They have poor wear resistance and are heavy. When working, they are easy to damage the wire rope. When they rub against the wire rope, a lot of heat will be generated, which will reduce the service life of the supporting parts.

Method used

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Embodiment Construction

[0025] The super wear-resistant cast nylon pulley is produced by the process of monomer casting reaction using the basic anionic polymerization mechanism. The casting process can be divided into static casting and centrifugal casting: static casting means that the mold is still when the pulley is solidified and formed; centrifugal casting means that the pulley is solidified and formed while the mold is rotating.

[0026] The production process is divided into five stages. The first stage is the preparation stage of the mold. According to the pulleys of different specifications, select the corresponding mold (aluminum or steel), evenly brush the mold release liquid, put it in the heating box, and put the glass thermometer to measure the temperature; When the mold temperature reaches 145°C-190°C, start pouring.

[0027] The second stage is the preparation of activated molecules. Put 1,000 parts of the monomer caprolactam masterbatch into the melting tank, connect the condenser ...

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PUM

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Abstract

A super abrasion-proof nylon block and the manufacturing method relates to the high molecular material-nylon 6 and the manufacturing method of the material. The technical scheme is that the proportion by weight of aminocaprolactam, accelerant and curative is 1000:1. 2-1. 6:3-4. The invention is characterized in that 1, small density and inertia, light quantity and stable operation, 2, superior mechanic property, high intensity and rigidity, good tenacity and creep resistance, antihunt with high shape stability and completely exchangeable with cast-steel block, 3, abrasion-proof function with good self-lubricating property, 4, grease-proof and corrosion-proof without rustiness, 5, good cushioning capacity without noise.

Description

technical field [0001] The present invention relates to a polymer material-nylon 6, and also relates to a method for processing the pulley from this material. Background technique [0002] Traditional pulleys mostly use cast iron or steel, which have poor wear resistance and are heavy. During work, they are easy to damage the steel wire rope. When they rub against the steel wire rope, a lot of heat will be generated, which will reduce the service life of the supporting parts. Contents of the invention [0003] In view of the above problems, the present invention provides a cast nylon pulley made of polymer material-nylon 6 and a processing method thereof. [0004] The technical solution of the invention is: the weight ratio of caprolactam, accelerator and curing agent in the material is 1000:1.2~1.6:3~4. [0005] The accelerator is sodium metal, sodium alkoxide, sodium hydroxide or sodium carbonate. [0006] The curing agent is acetyl caprolactam. [0007] The curing ag...

Claims

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Application Information

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IPC IPC(8): F16H55/50C08L77/02C08K5/29C08K3/00
Inventor 张爱平程维斌
Owner 扬州赛尔达尼龙制造有限公司
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