hot sale cheap price excavator parts U30 ZX33 VIO30 mini carrier top roller upper roller
We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for hot sale cheap price excavator parts U30 ZX33 VIO30 mini carrier top roller upper roller, The principle of our business is usually to supply high-quality items, skilled services, and truthful communication. Welcome all mates to place trial order for creating a long-term organization connection.
We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Carrier Roller, mini carrier roller, U30 UPPER ROLLER, ZX33 CARRIER ROLLER, We give good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We are going to produce the goods according to your request. If you are interested in any items we offer you, you should feel free to contact us directly by mail, fax, telephone or internet. We’ve been here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
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：QT450The 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.
