China 1P8717/2P3514/D7F/D7G undercarriage parts excavator carrier top upper roller manufacturers and suppliers

1P8717/2P3514/D7F/D7G undercarriage parts excavator carrier top upper roller

Short Description:

The function of top rollers is to carry the track link upwards, make certain things are linked tightly, and enable the machine to work faster and more steadily. Our products use special steel and produced by new process. Every procedure goes through strict inspection and the property of compressive resistance and tension resistance can be ensured.

Our carrier rollers are applicable for Komatsu, Hitachi, Kobelco, Daewoo, Hyundai, Volvo, Jcb etc. We can also offer OEM service according to your drawings or samples.

Products are exported to Southeast Asia and Europe and the America, enjoy high reputation in the domestic and foreign markets.

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We now have one of the most advanced production machines, experienced and qualified engineers and workers, regarded quality manage systems and a friendly skilled sales group pre/after-sales support for 1P8717/2P3514/D7F/D7G undercarriage parts excavator carrier top upper roller, To achieve reciprocal advantages, our business is widely boosting our tactics of globalization in terms of communication with overseas clients, rapidly delivery, the top excellent and long-term cooperation.
We now have one of the most advanced production machines, experienced and qualified engineers and workers, regarded quality manage systems and a friendly skilled sales group pre/after-sales support for China Komatsu D85, Dozer Upper Roller, Now we have more than 10 years exported experience and our merchandise have expored more than 30 countries around the word . We always hold the service tenet Client first,Quality first in our mind,and are strict with product quality. Welcome your visiting!

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：QT450We now have one of the most advanced production machines, experienced and qualified engineers and workers, regarded quality manage systems and a friendly skilled sales group pre/after-sales support for Supply OEM/ODM China Komatsu D85 Carrier Roller Dozer Upper Roller D85A D85p D85exs Top Rollers, To achieve reciprocal advantages, our business is widely boosting our tactics of globalization in terms of communication with overseas clients, rapidly delivery, the top excellent and long-term cooperation.
Supply OEM/ODM China Komatsu D85, Dozer Upper Roller, Now we have more than 10 years exported experience and our merchandise have expored more than 30 countries around the word . We always hold the service tenet Client first,Quality first in our mind,and are strict with product quality. Welcome your visiting!