D85A-18 BULLDOZER TOP ROLLER

D85A-18 BULLDOZER TOP ROLLER

Production Introduction:

The top roller also called top roller and upper roller is to hold the track upward, so that the track has a certain degree of tension.

technical requirement D85A-18 BULLDOZER TOP ROLLER

1. Check all parts strictly before assembly and clean them

2. A small amount of oil shall be applied to the mating surface of the shaft sleeve and straight shaft before assembly

3. The floating oil seal ring shall be assembled in pairs, and its sealing surface shall be coated with lubricating oil. The contact surface between O-ring and floating oil seal ring shall not be coated with lubricating grease, and the assembly of floating seal rubber ring shall not be twisted

4. The total assembly force of the floating seal ring shall be 45-50kgf. M, so as to ensure the axial clearance of 0.4-0.9mm after assembly. When turning the wheel body by hand, there is a certain resistance moment, but no jamming

5. After installation, fill in the filtered lubricating oil. The tightening torque of the oil plug is 20 ± 2kgf. M. no leakage is allowed during the inspection

6. The painting color shall comply with jb2299-78

ADVANTAGES:

1. Differential type of quenching or through type of quenching heattreatment can ensure certain heat treatment hardness depth and so give good anti-cracking effects.

2. Warm forging treated roller shell gains distinguishing inner material fiber flow distribution architecture.

3.Each top rollers shaft is machined by the utilization of the most modern technological advances known to the industry, Grinding and finishing methods ensure mirror like finish and tempering with medium to low frequency heat treating equipment guarantees maximum strength.

Applicable To Models:

D75S-3,D75S-5,D80A-18,D80E-18,D80F-18,D80P-18,D83E-1,D83P-1,D85A-18,D85A-21,D85E-18,D85E-21,D85P-18,D85P-21,D95S-1,D95S-2 ETC..

FAQ

1. What Is The Delivery Time?

Generally speaking, the delivery time is 30 days. But if the whole order are 200 serial track roller(bottom roller, lower roller), the delivery time is from 10-15 days.

2. What Is MOQ For The Order?

FCL and LCL are both acceptable.

3. How Can You Control Your Quality?

When material come inside our factory, we need to analyze the material cost. And our inspectors will check the sizes at random when parts are being machined or assembled. All of these can guarantee the parts with correct sizes and good quality.

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