Factory best selling China Daewoo Doosan Berco Undercarriage Spare Parts Dx225 Dx250 Dx255 Dx260 Track Roller Bottom Roller
Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Factory best selling China Daewoo Doosan Berco Undercarriage Spare Parts Dx225 Dx250 Dx255 Dx260 Track Roller Bottom Roller, Your inquiry will be highly welcomed and a win-win prosperous development are what we are expecting.
Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for China Excavator Undercarriage Parts, Doosan Track Roller, we are fully determined to control the whole supply chain so as to deliver quality items at competitive price in a timely manner. We’re keeping up with the advanced techniques, growing through creating more values for our clients and society.
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：QT450Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for Factory best selling China Daewoo Doosan Berco Undercarriage Spare Parts Dx225 Dx250 Dx255 Dx260 Track Roller Bottom Roller, Your inquiry will be highly welcomed and a win-win prosperous development are what we are expecting.
Factory best selling China Excavator Undercarriage Parts, Doosan Track Roller, we are fully determined to control the whole supply chain so as to deliver quality items at competitive price in a timely manner. We’re keeping up with the advanced techniques, growing through creating more values for our clients and society.
