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Ningbo parfect forging Co.,LTD . 
Add: Rm1208,Rm1208,Taikang zhong road,499#,Yinzhou District,Ningbo,315199,China.
P.C:315100
Tel:+86-574-28862606 
Fax:+86-574-28862660 
International Sales Manager :Tom Lei

E-mail:parfectsales@cnool.net      sales@nbpft.com        tomleimin@163.com

Welcome to Products Center
产品说明
We are a China leading hydraulic rock breaker hammer moil points tools manufacturer,producing various hammer accessory machinery and excavator parts.moil points,breaker chisels,blunt type tools,wedge type tools etc. we ar expert in design、development、production. We supply breaker tools for Hydraulic breaker AT Thyssem-krupp,Berco,Atlas Copcor ,BTK (Botruk-Okada) Canginibenne,Case,CNH,Caterpillar,Chicago Pneumatic,D&A,Daemo,DNB(Daenong) ,Furukawa,Hanwoo,Huppi,Indeco,JCB,Komac,Komatsu,Krupp,Montabert,MSB,MTB,NPK,OCM,Okada,Omal ,Promove,Rammer(Snadvik),Socomec,Soosan,Stanley,Star Hammer,Tabe,Takeuchi,toyo,Tecna,Toku,Fine. Our products have been exported to South Africa,Russia,USA,Brazil,EU etc. We produce high-density、high quality alloy steel forging from the introduction of foreign advanced vacuum heat treatment. We adhering "High quality and competitive price " business philosophy .
Process Description

Open Die Forging Technological Process 

   

 1, Melting Customized Raw Material 

 Melting customized raw material according to chemical composition which customer provide.

 2, Spectrum Testing

 We will continue produce after chemical composition approval. 

   

 3, Cutting Steel 

 Cutting steel into the best proportion for forging.

 4, Annealing

 Annealing for raw material to ensure there is no cracks in products during forging process.

   
 5, Forging Process  6, Rough machining
   

 7, Heat Treatment

 We could do different heat treatment ways according to mechanical properties which customer request.

 8, Inspect Mechanical Properties

 We will cut a test specimen from product body to test, and continue producing after test specimen approval.

   

 9, Machining

 Machining according to drawing dimentions or customer's delivery dimention request.

 10, Magnetic Particle Testing (MT)

 We usually use MT to inspect surface cracks of products.

   

 11, Ultrasonic Testing (UT)

 We usually use UT to inspect the size of products internal defect, and tell approval or not according to customer's UT grade request. 

 12, Final Inspection

 We will do visual inspection and inspect dimentions of products by measuring inplements after finishing.

   
 13, Packing   14, Transport