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cheap Spare Parts
Product Introduction
Screw elements are the most important part of the twin screw extruder production line. As the two intermeshing screws co-rotate at high speed, the screw elements are fully in contact with the raw materials. There are many types of screw elements, each has different functions, such as transmission, shearing, kneading, etc. Each category also has many types as they differ in angles, forward/reverse direction, etc. For each plastic formulation, the combination of the screw elements, such as direction and order, has to be tailored for maximum production efficiency and top quality.
Another important aspect is the hardness and the resistance to wear and corrosion of the screw elements material has to be high. In our company, we use W6Mo5Cr4V2 (6542#) high speed tool steel that had been treated by the vacuum hardening process with the hardness of the surface is HRC58-62. It is of top quality and suitable for the application of screw elements. However, there are plastic formulations that are exceptions, which are considerably hard or corrosive. For those plastic formulations, specially made alloy has to be used to manufacture the screw elements.
Product Data
We are very experienced in adjusting the combination of screw elements. We will always provide the best screw elements combination for you when you place your order with us.
Product Qualifications
Our products are fully CE and ISO9001 certified. Please see below our certificates:  
Frequently Asked Questions (FAQ)
A.What if I need to replace some parts of the machine due to wear and tear?
When you purchase our extruder, there are free spare parts for you to start with. We always recommend our customer to purchase some spare parts for the parts that are constantly under wearing (such as screw elements and pelletizer knives, etc). However, if you happen to run out, we always have spare in our factory, and we will send them to you via air freight so that it does not disturb your production.
B.How can I be sure if your extruder can produce my material smoothly before I place the order?
We always welcome you to visit our factory, and if you can send us your raw material, we will perform free live trials with you so that you can see the end results of the plastic granules.
C.How do I get a quotation?
Please get in touch with us with your target material, material application, production rate and any other requirements, via email, phone call, Websiite, or Whatsapp/Wechat. We will reply to your enquire Spare Parts
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