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Zhejiang Jiayue Machinery Manufacturing Co.,Ltd
Add:No.7 Changxin Road, Yancang Subdisctrict, Dinghai, Zhoushan, Zhejiang, China
Tel:+86-0580-8808828
Fax:+86-0580-8808829
Mobile: +86-15958098091(Wechat, WhatsApp)

Contact Person: Jade Le

E-mail:Jiayuescrew@aliyun.com

HVOF Screw For Injection Molding Machine

HVOF screw for injection molding machine High velocity oxygen fuel(HVOF)technology is a practical technology developed on the basis of flame spraying technologies. The use of supersonic flame thermal spray technology to spray metal bonded carbide wear resistant coatings has higher hardness,...

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HVOF screw for injection molding machine

HVOF screw

High velocity oxygen fuel(HVOF)technology is a practical technology developed on the basis of flame spraying technologies.

The use of supersonic flame thermal spray technology to spray metal bonded carbide wear resistant coatings has higher hardness, density and bonding strength than plasma sprayed coatings.

During supersonic spraying, the coating and the matrix material are metallurgically bonded. There is mutual penetration between the coating and the matrix material, and the bonding strength is high. The average tensile bond strength of the coating is 65 MPa, and the average shear strength is 49 MPa. The microhardness reaches 1200HV.

HVOF


Differences between PTA Plasma Powder Welding and HVOF thermal spray

For bimetallicscrew,

PTA treatment is to weld spray alloy power on the surface of screw flights.

HVOF treatment is to thermal spray alloy on the whole screw surface.


PTA treatment is suitable for normal bimetallic screw processing.

HVOF treatment is especially suitable for fiberglass content more than 50%.



FAQ

Q: Why you?

A:You can get a very fair price with high quality, that can  make you very competitive in your market.

Q: What products do you manufacture?

A: Mainly screws and Barrels for Injection, Extrusion, and Blow Molding machines, as well as relevant accessories for Plastic machinery.

Q: Do you have any warranty for your screws and barrels?

A: Yes, normally one year under proper operation, but recyling material should be excluded.


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