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Introduction of Track Roller Production Process Technology More News >>

The material of bottom roller generally is 50Mn and 40 Mn2, and so on material, the main process is casting or forging, machining, and then heat treatment, the wheel surface after quenching hardness to achieve HR8-55, in order to increase abrasion resistance on the surface of the bottom wheel, the machining accuracy requirement for the supporting wheel shaft is higher, and the material for the shaft most is 50Mn or 40Mn2. It should be treated with quenching. The surface hardness reaches HR8-53, and the depth of 5mm is not lower than HR6.

Our Track Rollers can meet the Industry standard requirements, please check our production technology photo details as below:

Products Name Crane Track Rollers, Crane Lower Rollers, Crane Bottom Rollers
Type Crawler Crane Undercarriage Parts
Material 40Mn2
Technology Forging
Heat Treatment Overall hardening and tempering, surface hardening
Color As customer’s requirement
Brand Name EG
Advantage Strictly quality control; OEM Quality; Large stock; Prompt Shipment; Excellent after-sale; Short delivery time
Place of Origin Shandong, China(Mainland)
Warranty 2500 Working Hours
Certification ISO9001:2008
Supply Ability 5000 pcs/ Month
Min Order Quantity 5Pieces
Package Detail Export Standard Pallet/ Plywood Case
Port of Loading Yantai, Qingdao
Trade Terms EXW, FOB, CFR, CIF
Shipment Time Within 10 days after receiving payment

Company: Yantai Evergrowing Import and Export Co.,Ltd
Country/Region: China
Tel: +86 15266530017
Fax: +865356724922
Web Site:

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