Quality Control


Steels Detection  

All steel after the arrival shall be inspected on material, size, thickness. Thickness detection by ultrasonic thickness. Material report will be issued by the inspection team. If the QC group found unqualified, the steel cannot put in storage. Return notice issued by the inspection engineer directly to purchasing department.
 
Ultrasonic Thickness Detector

 

Weld Inspection 

 All the joint panel welding seam, web plate fillet weld are strictly according to drawings and European Crane Process Standard. Use RT/MT/UT/PT nondestructive inspection and issue relevant inspection report. Measure and mark the unqualified parts and let no doubts pass.
                                       
                                        Magnetic Defect Detector

 

Wheel hardness, roughness test 

 All the wheels and shaft machining parts need strict inspection for hardness, roughness, dimensions etc. Ensuring every parts conform to design specifications.
 
Leeb Hardness Tester

 

 
Paint film thickness detection

  
Advanced surface treatment process and  Epoxy zinc-rich coatings to ensure our crane won’t have paint falling off or color fading. The key is our strict inspection and quality control.
 
 
Paint Film Thickness Gauge

 

 
Pre-install  Inspection 

 
Although we have thorough quality control to each part in the producing process, we take pre-install inspection to every crane before delivery. The crane will be pre-installed and measured as per inspection process and design parameters. The key inspection parts are span, length, beam deflection etc.
Level  Gauge

 

Third Party Inspection 

SINOKOCRANES not only has complete process inspection and delivery inspection, for the critical components, the factory invite authority organization to do the third party inspection, ensuring that each component reaches design requirements.
Also the factory can do third party inspection under user’s requirement by SGS, TUV or BV international inspection organization.

             

 

 
Site inspection

SINOKOCRANES have a professional installation team with rich crane installation experiences. Different mature installation proposal suit for different workshops and steel structures. Before installation, our site engineer will check and measure the workshops, such as the H-beam height, workshop height, span, installation accuracy etc to ensure the smooth and successful crane installation.
                               
Total Station       Laser Range Finder       

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