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Case of Vit internal grinding wheel for Oil pump nozzle

2020.12.17More SuperHard Products Co., Ltd96

The main function of the nozzle is to completely atomize the fuel and distribute it evenly throughout the fuel chamber and mixing it fully with the compressed air in the cylinder for good combustion. As an expert in grinding system, MORE shares the following case of Vitrified bond internal grinding wheel for Oil pump nozzle.


The Case of Vit internal grinding wheel for Oil pump nozzle

1. Needle body grinding

needle body grinding

 

Workpiece

Nozzle  body

Material

18CrNi8(Low carbon alloy steel)

Hardness

HRC56-60

Grinding allowance

Hole:0.02mm

roughness

Hole: Ra≤0.1㎛

Accuracy

Hole: roundness ≤0.3㎛, straightness ≤0.5 ㎛, parallelism ≤0.5 ㎛


2. Grinding Parameter

Grinding Parameter

Vitrified bond internal grinding wheel for Oil pump nozzle

Specification

4Dx6TxM2/4.1Dx10.5TxM2/3.8Dx6TxM2

Bond

Vitrified

Grit

400/500


3. Grinding Effect

Item

Parameter

Speed-grinding wheel

90000RPM

Dressing interval

16 piece

Dressing allowance

0.001mm(unilateral)

Taper ≤±0.5㎛

 

0.3㎛

Roundness ≤0.4㎛

 

0.2㎛

Straightness ≤0.5,Roughness Ra ≤0.1

 

0.07-0.08

Life

2500 piece


We make grinding easier and provide our customers with integrated grinding system solutions to improve machining quality and reduce production costs.



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