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Quick Details

Type: Slewing Bearing
Place of Origin: China (Mainland)
Seals Type: rubber
Gear Options: External Gear Only
Feature: Cross Roller
Model Number: 11series, HJ series
Outside Diameter: 100-7800 mm
Bore Size: 10-100 mm
Brand Name: LYJW

Specifications

Component:

Rolling Element:GCr15,GCr15SiMn

Seal:Oil resistant rubber,Buna-N rubber

Fixed retainers:Steel20,ZL102cast aluminium alloy,Polyamide 1010 resin

Main Equipment: 

Crown Block: 15set

Vertical Lathe:15set

Horizontal lathe:2set

CNC Horizontal lathe:3set

Grinder:10set

Vertical Grinder:6set

Quenching Machine:5set

Gear Hobbing Machine:10set

Gear Shaper: 8set

CNC Drilling Machine:3set

Drilling Machine:10set

Heat Treatment Furnace:2set

Packing:

1.Antirust oil for surface treatment, 2.Be wrapped with plastic cloth wrapped, 3.then be wrapped with kraft paper, 4. Be wrapped with another plastic cloth again. 5.Be packed with plywood case. 

Quality Control:

Product inspection are in house, there are 53 QC and QA persons in factory. 

During produce, the operation workers inspect product for each process according to drawing at first, and then QC person inspect each process and product again and keep record accordingly.

To do clearance test for each finished bearing. 

To process dimension and clearance test according to inspection record by final QC. 

Slewing bearing appearance is inspected again before packing. 

Quality control Documents including: 

Quality Control Process Chart

Forging blank certification (UT, Heat treatment, Chemical composition, size)

Production Schedule

Forging blank inspection report

Final production inspection report

Hardness test report

Ultrasonic test report

Magnaflux test report

Clearance Test

Product process inspection report

Inspector working record

We can provide customer final inspection reports as following:

Certification of quality

Using instruction of slewing bearing

Chemical composition report

UT report of rolling element

Certification of Heat treatment

Final inspection report

Any other report if required.