Batch pre-expander

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Product Description:

1.The machine adopts PLC and touch screen,automatic filling,electronic weighing,temperature control material level control to realize automatic production.

2.Material is complete with screw conveyor and Electronic weighing system.

3.The closed constant pressure foaming barrel has high heating efficiency and saves steam.

4.High precise guiding pressure reducing valve controls the temperature and steam pressure of the closed barrel,ensure the outcome pressure of the valve constant and the inner temperature controlled, which keeps the foamed material equal and prevents the bead agglomerate because of the bad temperature control.

5.Most components are of world-famous brands,with reliable performance, stable quality,long service life and low maintenance cost.

6.The machine can realize the primary and second expansion.


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Q:What is the processing of materials?
The workability of the material means that the material exhibits excellent flow characteristics not only during injection molding but also excellent mechanical properties (strength, toughness and stiffness), short molding cycle (high productivity) and high temperature resistance (
Q:Material processing technology and machinery manufacturing What is the relationship
Parts of the various processing, heat treatment and surface treatment; parts and product assembly, commissioning, testing and coating and packaging.
Q:How to improve the mechanical properties of materials?
Such as quenching can improve the hardness of the material, quenching and tempering (quenching and high temperature tempering) can improve the stability and toughness of the material to improve the strength of the material processing performance, surface chrome, can improve the surface hardness and wear resistance, corrosion resistance
Q:Metal forming and processing methods which have their own characteristics and scope of application
Casting the advantages are: First, you can produce complex shapes, especially the complex cavity of the rough, such as the box; Second, a wide range of applications, casting the size of unrestricted; Third, you can use low scrap as raw materials, Low; four is the shape and size of the casting and the required parts are very close, can save a lot of metal materials. Casting the shortcomings are as follows: First, the process is relatively difficult to control, easy to produce defects; Second, compared to forgings, casting performance is relatively low; Third, in some casting process, the production of small quantities, workers labor intensity.
Q:What kind of materials can EDM machine
Such as: hard alloy, hardened steel, graphite, aluminum alloy, structural steel, stainless steel, titanium alloy, diamond and other conductive body complex cavity and curved surface processing, all kinds of molds, electrodes, precision parts manufacturing,
Q:How to choose the material when doing mechanical design
Analysis of the advantages and disadvantages of this material, and then in the mechanical design manual can be found in the application of materials such as high-quality steel:
Q:How to choose mechanical parts material ah?
You can refer to other people to design similar products, assembly map material selection, individual you need special requirements of their own design.
Q:What are the effects of heat treatment on the mechanical properties of metallic materials
Quenching: improve hardness, wear resistance, improve flexibility, improve strength and toughness;
Q:What kind of material is used for processing shafts?
Which is commonly used shaft material, of course, there are many materials can do shaft, heat treatment requirements are not the same, the specific circumstances of specific treatment, according to demand materials, can not be said that the shaft must use what material,
Q:Metal materials commonly used in the processing methods which
Metal materials commonly used in processing technology is divided into cold processing and hot processing, cold processing mainly refers to the mechanical processing such as milling machine drilling boring grinding, cold processing such as cold, cold bending, cold drawing, etc .; hot processing according to the use of different processes into casting

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