Precision Steel Casting Shaft for Car Engine

Key Specifications/Special Features:
 

Name:	Used in car engines
High precision:	within ±0.3%
Surface treatments:	heat treatment, plating, blackening
Materials:	steel alloy, stainless steel, tool steel, Fe-Ni, tungsten, NdFeB magnet and NiTi
	Cost saving on machining/secondary process
	OEM orders are accepted

Inspection:
Inspection: in-house and third party
All the products are strictly inspected by operator and skilled QC with record put down.
Universal inspection tools: three-coordinates measuring machine,hardness tester, Height ruler, Depth ruler, Outside ruler, Venire Caliper, etc.
INTRODUCE:
We Qingdao Haozhifeng Machinery Co.,Ltd, is a leading enterprise, specializing in mechanical parts of torque for bushing with different size and material. Torque rod bushing is mainly used in mechanical system as auto, truck, tractor and so on which demand torque rod bushing spare part. With high metal strength, torque rod bushing works long hours. Coated with kinds of surface treatment of environmental fluid, torque rod bushing obtains strong mechanical properties and resistance to corrosion. 

2. Quality Control

1) Material Supply
To be sure material specification and size correct.
To be sure material chemical composition correct, material certification must be provided in each material purchasing lot.

2) Machining Process 

Setup work instruction chart for each part.
Check production process and updated drawing issue before machining.
Fixed Inspection: 4 times/shift, have records to check, carried by QC.
Random Inspection: to avoid uncertain potential quality issues.
Final Inspection: Each part have its final inspection stardard before packing, have inspection sheet to track.

3)Packing and Assembly 

To meet custom requirements, including labels, cartons, pallets etc before shipment