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High-Pressure Common Rail


The high-pressure common rail system is a core fuel injection component of automotive engines. Its key parts include the common rail tube, injector body, plunger, valve sleeve, and high-pressure connector, featuring high-pressure fatigue resistance, high precision, high surface finishing, and stringent sealing requirements. The machining process demands high precision on high-pressure sealing surfaces.
High-Pressure Common Rail
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  • High-Pressure Common Rail

Case Details

Machining Steps:

1、Pressure limiting valve hole machining, oil reservoir hole pre- machining

2、Oil reservoir hole machining

3、Oil outlet hole finishing

4、Convex platform surface machining

5、Oil inlet hole machining

6、Lug hole flat surface milling

 

Tool Description:

In addition to guiding the through-type common rail oil hole, it also machines the thread bottom hole and form chamfers on the sealing surface. 

 

Deep Hole Drill:

Machines the deep oil reservoir hole - a 30xD ultra-long deep hole drill capable of completing the hole in a single high-feed pass. 

 

Forming Reamer:

Also known as the oil outlet hole tool, with high dimensional requirements for the hole opening form. 

 

Ahno Loong Series Economical Shoulder Milling M2390-SX09 Series:

The curved-edge insert design effectively reduces cutting resistance and vibration, thereby ensuring the surface roughness requirements of the hole opening face and extending tool life. 

 

Taper Drill:

Large-variable-diameter taper drill, completing the hole in a single pass without tool breakage.

 

Ahno Loong Series Multi-Functional Shoulder Milling M2390-XO16 Series: 

Particularly suitable for high-efficiency machining of low-rigidity components. The lightning-shaped insert geometry enables large-step ramp milling or helical interpolation milling. 

Case Consultation

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