PRODUCTION  PROCESS

What Is a Stamped Knife?

Stamped knives are formed when a hydraulic press or die cuts the blade shape out of a sheet of steel.

This process creates the basic shape of the blade, called a blade blank, which is then ground and honed to give it an edge.

The process flow of a full stainless steel handle kitchen knife is:

 

1. Stamping Workshop

The blade part will be stamping by punching machine according to the specification detailed.

 

2. Heat Treatment Workshop

Straighten blade then put them into a heat treatment furnace by heating at a high temperature for a long time to sufficiently diffuse internal chemical components. for vacuum nitriding heat treatment of 1050℃-1100℃, followed by low temperature nitriding treatment and performing 200℃-300℃. Because tempering treatment allows the molecules to be aligned and enhance the toughness of the blade.

 

3. Molding Workshop

Polishing the knife handle on the accurate position after general grinding, then pulling the blade back and chamfer. Handle body is general polishing with NO.180 sand belt wheel, then using NO.240 belt wheel to be carefully polishing. The handle process is basically completed after re-polishing by using NO.240 sand belt wheel.

 

4. Welding Workshop

The handle first is fixed on both sides on the welding machine ,after the position is confirmed and then performed by argon arc to be automatically welded, and welding blade with the knife handle so the initial handle model of knife comes out.

 

5. Blade Wet burnishing Workshop

Carry out the CNC single/double-side oblique grinding of the blade according to the angle of a blade and the data detail and exchange into rubber wheel to burnish the surface. During the process the blade was covered by a film to prevent the blade from being scratched.

 

6. Polishing Workshop

Manually polish the handle after finishing fixing & strengthening the shape of the casting mold of the wood or plastic through using steel nails.To begin with, polishing the welding part then to the bolster part then polishing the knife handle on the accurate position after general grinding. Pulling the blade back and chamfer. Handle body is general polishing with  NO.180 sand belt wheel,  then using NO.240 belt wheel to be carefully polishing. The handle process is basically completed after re-polishing by using NO.240 sand belt wheel.

 

7. Sharpening Blade Edge Workshop

The next step is to carry out the wet opening blade treatment of the water grinding disc, then use the wool wheel to pull the sharp edge, remove the surface rags.

 

8. Cleaning Workshop

After finishing all these processes, the knives will be carried to print customized LOGO. Next, we will put the knife into the ultrasonic automatic cleaning machine to ultrasonic cleaning and drying them.

 

9. Packing Workshop

Put the products on the plastic bag, paper sleeve, color box, outer box, that all the stainless steel knives are finished.

What Is a Forged Knife?

Forged knives are made when a heated bar of steel is roughly shaped under a drop hammer, which compresses the steel with immense pressure.

After the basic knife shape is forged, the blade goes through a grinding and honing process to form its final shape and edge.

The process flow of a full stainless steel handle kitchen knife is:

 

1. Stamping Workshop

The blade part will be stamping by punching machine according to the specification detailed.

 

2. Heat Treatment Workshop

Straighten blade then put them into a heat treatment furnace by heating at a high temperature for a long time to sufficiently diffuse internal chemical components. for vacuum nitriding heat treatment of 1050℃-1100℃, followed by low temperature nitriding treatment and performing 200℃-300℃. Because tempering treatment allows the molecules to be aligned and enhance the toughness of the blade.

 

3. Molding Workshop

First melting the stainless steel 430# material in the melting furnace. The molten stainless steel is poured into the casting model. After cooling it, the handle is then taking the casting model out to be cleaned and then sanded and straightened, and the surface is nitrided to complete the forged handle.

 

4.Welding workshop

The handle and the blade are placed in the automatic welding machine, and the position is confirmed for welding, finally the basic model of the whole knife is finished.

 

5. Blade wet burnishing workshop

Carry out the CNC single/double-side oblique grinding of the blade according to the angle of a blade and the data detail and exchange into rubber wheel to burnish the surface. During the process the blade was covered by a film to prevent the blade from being scratched.

 

6. Polishing workshop

Manually polish the handle after finishing fixing & strengthening the shape of the casting mold of the wood or plastic through using steel nails.To begin with, polishing the welding part then to the bolster part then polishing the knife handle on the accurate position after general grinding. Pulling the blade back and chamfer. Handle body is general polishing with  NO.180 sand belt wheel,  then using NO.240 belt wheel to be carefully polishing. The handle process is basically completed after re-polishing by using NO.240 sand belt wheel.

 

7. Sharpening blade edge workshop

The next step is to carry out the wet opening blade treatment of the water grinding disc, then use the wool wheel to pull the sharp edge, remove the surface rags.

 

8. Cleaning workshop

After finishing all these processes, the knives will be carried to print customized LOGO. Next, we will put the knife into the ultrasonic automatic cleaning machine to ultrasonic cleaning and drying them.

 

9. Packing Workshop

Put the products on the plastic bag, paper sleeve, color box, outer box, that all the stainless steel knives are finished.

Your perfect products have been prepared well.

Production Process

We have a wonderful team and a wide series professional equipments for mass production. And we show some production process here,if you want to know more please contact us directly.

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