Method for molding products made from metal or plastic materials

Abstract

A method for molding products made from metal materials is provided, which includes the following steps: heating a metal material to a melting temperature; and quenching the metal material from the melting temperature to a quenching temperature. The quenching temperature being 5˜20 degrees centigrade lower than room temperature. A method for molding products made from plastic materials is also provided, which includes the following steps: heating a plastic material to a melting temperature; decreasing temperature from the melting temperature to a glass transition temperature of the plastic material; quenching the plastic material from the glass transition temperature to a quenching temperature, with the quenching temperature being 5˜20 degrees centigrade lower than room temperature; tempering the plastic material from the quenching temperature to a tempering temperature; and decreasing temperature from tempering temperature to room temperature.

1 . A method for molding products made from metal materials comprises the following steps: 
 heating a metal material to a melting temperature; and    quenching the metal material from the melting temperature to a quenching temperature, with the quenching temperature being 5˜20 degrees centigrade lower than room temperature.    
   
   
       2 . The method as claimed in  claim 1 , wherein a quenching rate of quenching step is 5˜100 degrees centigrade per second.  
   
   
       3 . The method as claimed in  claim 2 , wherein the quenching rate is 20˜50 degrees centigrade per second.  
   
   
       4 . The method as claimed in  claim 1 , wherein the metal materials are chosen from the following group: aluminium magnesium alloy, magnesium aluminium alloy, aluminium magnesium titanium alloy, aluminium magnesium chromium alloy, iron carbon alloy, stainless steel, magnesium alloy and titanium molybdenum alloy.  
   
   
       5 . The method as claimed in  claim 4 , wherein the metal materials further comprises nano luminous materials, chosen from the following group: ZnS, CdSe, CdS, Eu—ZnSiO x , Eu—YBO 3  and Eu—BaMgAlO x .  
   
   
       6 . A method for molding products made from plastic materials comprises the following steps: 
 heating a plastic material to a melting temperature;    decreasing the temperature from the melting temperature to a glass transition temperature of the plastic material;    quenching the plastic material from the glass transition temperature to a quenching temperature, with the quenching temperature being 5˜20 degrees centigrade lower than room temperature;    tempering the plastic material from the quenching temperature to a tempering temperature; and    decreasing temperature from tempering temperature to room temperature.    
   
   
       7 . The method as claimed in  claim 6 , wherein a quenching rate from glass transition temperature to the quenching temperature is 5˜100 degrees centigrade per second.  
   
   
       8 . The method as claimed in  claim 7 , wherein the quenching rate is 20˜50 degrees centigrade per second.  
   
   
       9 . The method as claimed in  claim 6 , wherein the tempering temperature is 80˜100 degrees centigrade.  
   
   
       10 . The method as claimed in  claim 6 , wherein a tempering rate from the quenching temperature to the tempering temperature is 5˜80 degrees centigrade per second.  
   
   
       11 . The method as claimed in  claim 10 , wherein the tempering rate is 20˜50 degrees centigrade per second.  
   
   
       12 . The method as claimed in  claim 6 , further comprising a step of processing a dwell step for 10 seconds after decreasing to the glass transition temperature.  
   
   
       13 . The method as claimed in  claim 6 , wherein after decreasing to quenching temperature, maintain temperature at the quenching temperature for 10˜20 seconds.  
   
   
       14 . The method as claimed in  claim 6 , wherein when rising to tempering temperature, maintain temperature at the tempering temperature for 20˜60 seconds.  
   
   
       15 . The method as claimed in  claim 6 , wherein the plastic materials are ABS resin added with glass fiber.  
   
   
       16 . The method as claimed in  claim 1 , wherein during quenching step and/or tempering step, inert gases are introduced.  
   
   
       17 . The method as claimed in  claim 6 , wherein during quenching step and/or tempering step, inert gases are introduced.