Unlock instant, AI-driven research and patent intelligence for your innovation.

Molding technology for combining PA6T/PA66 alloy with metal insert

A metal insert, PA66 technology, applied in the direction of coating, etc., can solve the problems of metal inserts and plastic parts that are easy to fall off under force, and achieve the effect of a stable combination of plastic and steel

Active Publication Date: 2015-06-03
KINGFA SCI & TECH CO LTD +1
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a forming process combining PA6T / PA66 alloy and metal inserts, which can solve the problem that the metal inserts and plastic parts are easy to fall off after forming.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Molding technology for combining PA6T/PA66 alloy with metal insert
  • Molding technology for combining PA6T/PA66 alloy with metal insert
  • Molding technology for combining PA6T/PA66 alloy with metal insert

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below through specific embodiments. The following examples are preferred implementation forms of the present invention, but the implementation manners of the present invention are not limited by the following examples.

[0021] The plastic-steel joint surface of the present invention is a semicircular joint, the radius R of the metal insert is 57mm, and the height is 100mm, and the outer radius R of the plastic part is 105mm, and the height is 70mm. Before injection molding, the surface of the P20 metal insert with a surface roughness of Ra0.05 is cleaned, and the metal insert is placed in a high-temperature oven for heating. The temperature of the metal insert is controlled, and the surface temperature of the metal insert is shown in Table 1; when the preheated metal insert is put into the mold for injection molding, the surface of the metal insert is in surface contact with the temperature sensor installed in the mold. T...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melting pointaaaaaaaaaa
radiusaaaaaaaaaa
heightaaaaaaaaaa
Login to View More

Abstract

The invention discloses a molding technology for combining PA6T / PA66 alloy with a metal insert. The molding technology comprises the following steps of: carrying out pre-heating treatment on the metal insert before injection molding until the surface temperature of the metal insert reaches 290-340 DEG C; carrying out injection molding on the pre-heated metal insert in a die, wherein the temperature of the PA6T / PA66 material is 290-340 DEG C; and performing the procedures of pressurizing, cooling and demolding on the metal insert. The technology disclosed by the invention solves the problem that after a plastic steel connector is molded, the metal insert and a plastic part are stressed to fall off easily due to excessive internal stress generated around the metal insert in a molding process.

Description

technical field [0001] The invention belongs to the technical field of functional polymer materials, and in particular relates to a forming process combining PA6T / PA66 alloys and metal inserts. Background technique [0002] PA6T is a modified nylon 6T based on terephthalic acid, adipic acid and hexamethylenediamine, and its melting point is as high as 310°C. The main characteristics of PA6T are excellent high temperature rigidity, dimensional stability and chemical resistance. PA66, also known as nylon 66, polyhexamethylene adipamide, has excellent wear resistance, self-lubricating properties, and high mechanical strength. PA6T and PA66 are melt blended and extruded to obtain PA6T / PA66 alloy. Excellent properties make PA6T / PA66 alloy widely used in many fields including auto parts, mechanical parts and electrical / electronic parts. [0003] Over the years, the plastic-steel combination process has been in use, including adding metal inserts in the injection molding process,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/14B29C45/76B29K77/00
Inventor 蒋贤志蔡彤旻王大中叶南飚陈大华关安南其他发明人请求不公开姓名
Owner KINGFA SCI & TECH CO LTD