High quality 345b undercarriage parts carrier roller top roller
Product Description
345b carrier roller is one of the four wheels-belts of the crawler-type construction machinery chassis. Its main function is to Support the weight of the excavator and bulldozer, and let the crawler track along the wheels.
Material of carrier rollers:
The material of the sprocket wheel body is generally 50Mn, 40Mn2, etc., the main process is casting or forging,Machining, and then heat treatment, the hardness of the wheel surface after quenching should reach HRC53~56,To increase the wear resistance of the wheel surface.
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
Shaft Forging Turning Operation Drill Tapping Quenching and Tempering Grinding
Carrier Roller Parts: Test Paint Check Storage
| Material | 50Mnb/40Mn2 |
| Finish | Smooth |
| Technique | Casting/Forging |
| Surface Hardness | HRC52 , Depth6mm |
| Colors | Black or Yellow |
| Warranty Time | 1440 Working Hours |
| Certification | IS09001-9001 |
| MOQ | 2 Pieces |
| FOB Price | FOB Xiamen US$ 25-100/Piece |
| Delivery Time | Within 30 days after contract established |
| Payment Term | T/T,L/C,WESTERN UNION |
| OEM/ODM | Acceptable |
| type | bulldozer undercarriage parts
|
| Moving Type: | Crawler bulldozer |
| After-sales Service Provided: | Video technical support, Online support |
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Packing and shipping
ABOUT US
Fujian Jinjia Machinery Co.,Ltd. is developing from Quanzhou Hongda Machinery Co.,Ltd. The company has dedicated to the manufacturing of crawler undercarriage parts since 1990, which has been more than 30years so far. Now we have established our own casting, forging and machining production centers.
JINJIA Machinery has always been insisting on the operation policy of “Customer first, Quality first” . Our mission is to make customer satisfaction. Just because of this, these years the company has obtained high reputations and solid foundation in the machinery industry. Today our production scales have been constantly expanding, with a wide range of product categories. Our products have been popular in domestic markets as well as the international markets such as Europe, America, South East of Asia, Middle East, etc. We have established good business relationships with famous companies around the world. Welcome to visit our factory for further more technological communications!
Exhibitions over the years
FAQ
Q: Product usage?
A: If any problem about usage, I will solve at first time.
Q:What about Quality Control?
A:We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.
