Process

Inspection
Every component is checked at every stage, both dimensionally and visually, for any defects by the quality department. A final inspection is carried out using the latest computer-controlled coordinate…

CNC Engraving
Using the latest CNC technology, Hunprenco are working closely with customers to ensure the company is fully aware that size and positioning of vent holes is a major feature in cooler design, along…


CNC Technology
All Hunprenco plungers are produced to customer specification on the latest CNC machines, ensuring repetition of accuracy and quality.


Honing and Polishing
After machining, every plunger is vertically honed and then polished to achieve a surface finish of less than 0.08Ra with a mirror-like finish.


CNC Micro-Drilling
Using the latest CNC technology, Hunprenco are working close with customers to ensure the company is fully aware that size and positioning of vent holes is a major feature in cooler design, along with…


HVOF (High Velocity Oxygen Fuel) & Thermal Fusing
All Hunprenco plungers are produced to customer specifications on the latest CNC machines, ensuring repitition of accuracy and quality. High Velocity Oxygen Fuel (HVOF) technology is used for coating…


Swaging/Brazing
Hunprenco’s swaging techniques ensure a uniform wall thickness and maintain concentricity to give excellent base fit and assembly, also allowing the internal tip profile to smoothly follow the…

News
Hunprenco are pleased to announce that on Friday 25th November… + Read More
Latest Investments: Hunprenco has invested over… + Read More