Customized Extruder Screw
Material: HVOF Spray Coating Screw, PTA Spray Welding Screw, Nitriding Screw
Application: For use in the Injection Moulding Machine , Extrusion Moulding Machine, Bakelite Moulding Machine, and Rubber Moulding Machine.
Processing Dimension：Min External Diameter Ø 12mm, Max External Diameter Ø 250mm,Effective length Ø 8000mm .
Heat-treatment, Nitriding treatment, Electroplated hard-chrome finish, High-frequency quenching, Spray coating bimetallic-alloy, Vacuum quenching.
Customer’s specification and drawing are accepted in the manufacturing various materials of pillars, columns, tie bars, guide rods which applicable to various plastic, rubber injection molding machine, hydraulic machine, diverse machine tool etc. (Special dimension and spec. are also acceptable. )
The instruction of Through Hardened Screw:
Scope of Plastic Application
Super hard powder steel
High strength, good anti-abrasion resistance, good toughness
|Grade A material applicable to the Engineering plastics with 30%～40% fiberglass.|
The plastics: the engineering plastics like LCP,PA6T,PA9T,PEI,PEEK,PPS.Magnetic powder, Ceramic, Teflon, Iron powder, and other additives.
Powder tool steel
High toughness, excellent abrasion resistance, good thermal Security
Grade B material is applicable to the engineering plastics or super-engineering plastics with glass fire of 30% or below and fire agent, like LCP,PA6T,PA9T,etc.
Through hardened tool steel
high hardness, toughness,anti-abrasion resistance, impact resistance
Grade C material is applicable to the engineering plastics like PA66,LCP,PC,PA6,PMMA and the plastic with fiberglass of 15% or below.
High strength, good anti-abrasion, good anti-corrosion resistance
|PC,PMMA,and optical plastic products|
(Lenses, backlit panels, lightguide plate, etc.)