ceshi

  • Production Assembly


Production Technology Flow

01. Best Raw Material

best raw material

LDB’slewing bearing strictly enforced in accordance with the process of production and quality standards, each link has a rigorous quality control. 100% inspection of manufactured products, each product has a unique product number, to ensure product traceability.

02. QT and Inspection

QT & Inspection

After Q.T, the forgings’ comprehensive mechanical properties could be improved.

03. Forging Size Inspection

LDB’slewing bearing strictly enforced in accordance with the process of production and quality standards, each link has a rigorous quality control. 100% inspection of manufactured products, each product has a unique product number, to ensure product traceability.


04. U.T. Detective Inspection

U.T. Detective Inspection

Using UT to test if the forgings have inner defect

05. Hardness Inspection

Inspect the forgings hardness after QT, the hardness up to HB229-269.

06. Rough Turning

After rough turning, boundary dimension must be inspected to ensure dimensions within scope of dimension processing technology.

07. Finish Turning Before Quenching

Finish turning and shaping before raceway quenching.

08. Raceway Quenching and Hardness Inspection

Raceway Quenching and Hardness Inspection

After raceway quenching,LDB Slewing bearing’s surface hardness will reach to HRC55-
62,and hardening layer depth larger than 3mm.

09. Finish Turning After Quenching

09. Finish Turning After Quenching

Finish turning after quenching

10. Gear Processing / Gear Shaping and Gear Hobbing

Gear Processing
Gear Hobbing

11. Gear Quenching and Inspection

11. Gear Quenching and Inspection

After gear quenching,its surface hardness will reach to 45-55HRC.

12. Gear Inspection

Gear Inspection

Gear Inspection.

13. Holes Processing and Inspection

Inspection items include: hole diameter,chord length and centeral diameter.

14. Clearance Matching

Make the clearance matching and processing according to requirement of drawing.

15. Assemling

15. Assemling

Workers removing burrs after ferrule overall cleaning. They put in strict accordance with the requirements of the drawings rings, rolling elements,spacers and seals assembled. After checking the appearance of the finished product assembled again until perfect.

16. Finished Product Inspection

16. Finished Product Inspection

The inspection items include clerance, runnout,appearance and rotation flexibity.

17. Slewing Bearing’s Mark and Typing

The finished slewing bearings need to have factory mark and product Serial No.,our company also supply OEM service and neutral product.

18. Finished Product’s Packing

Standard export packing: Plastic film,kraft paper and nylon wraping belt.Product outer label,Qualified certificate,Assemling & maintenance manual and free funigation plywood case.