Ex200 Ex220 Ex240 Ex300 Track Roller for Hitachi Excavator Bottom Roller Undercarriage Parts
To create far more benefit for customers is our company philosophy; customer growing is our working chase for Ex200 Ex220 Ex240 Ex300 Track Roller for Hitachi Excavator Bottom Roller Undercarriage Parts, Welcoming interested corporations to cooperate with us, we look forward to owning the opportunity of performing with corporations across the environment for joint advancement and mutual good results.
To create far more benefit for customers is our company philosophy; customer growing is our working chase for China Aftermarket Undercarriage Parts, Ex200 Track Roller, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We’ve got established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance might be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
Description:
Carrier roller is suitable for ranging 0.2-120 ton mini excavators and heavy excavators and bulldozers.
The design of double code seal and life long lubrication make the track roller a healthy life and a wonderful performance.
Manufacture of hot forging processing: roller shell access to excellent flow distribution within the material structure of fiber.
Differential quenching or through quench hot heat treatment, the rollers have crack resistance effect and have a longer life span.
Production Porcess:
TOP ROLLER: Forging Material (50MN) Cover Material(QT450) Shaft( 45#)
Degree of depth: 3mm (Shaft: 1.5-2mm) Hardness: HRC53-56
Roller Body：Forging—Turning operation—Quenching—Fine Turning operation—Pressure Bushing—Welding—Slag Shovel（clean up the body surface）
Shaft：Forging—Turning operation—Drill—Tapping—Temper—Quenching—Mill—right-handed screw
End Cover：Forging/Casting/Steel Rod—Rough and Fine Turning operation—Drill—Tapping
All Parts Ready To：Assembly—Pressure Test—Filling Oil—Spray Paint—Checking—Storage
Quality Value:
Roller shell material：50Mn
Surface Hardness：HRC53-56
Quench depth：>7mm
Roller shaft material：45#
Surface Hardness：HRC53-56
Quench depth：>2mm
End Cover material：QT450To create far more benefit for customers is our company philosophy; customer growing is our working chase for Ordinary Discount China Ex200 Ex220 Ex240 Ex300 Track Roller for Hitachi Excavator Bottom Roller Undercarriage Parts, Welcoming interested corporations to cooperate with us, we look forward to owning the opportunity of performing with corporations across the environment for joint advancement and mutual good results.
Ordinary Discount China Aftermarket Undercarriage Parts, Ex200 Track Roller, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We’ve got established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance might be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
