Shengjian Fanrong is a China manufacturer of Double Drum Vibratory Roller Counterweight components, specializing in customized cast iron counterweight production for road construction and heavy compaction equipment. With an annual production capacity of 80,000 tons of precision mechanical components, a 30,000 m² production plant, and integrated casting, machining, and inspection capabilities, Shengjian Fanrong provides OEM solutions focused on equipment compatibility, manufacturing consistency, and long-term supply reliability.
Double drum vibratory rollers achieve compaction through the combined effect of machine operating weight, drum contact pressure, and vibration force. The distribution of machine mass directly influences how the equipment transfers force to the working surface.
A properly designed Double Drum Vibratory Roller Counterweight helps adjust the overall weight arrangement of the roller structure instead of simply increasing total machine mass.
During practical operation, roller manufacturers and equipment users need to consider:
For road construction equipment, an unsuitable ballast component may create installation problems or fail to provide the expected weight contribution. Therefore, counterweight design should be based on equipment information rather than a universal weight solution.
Shengjian Fanrong evaluates counterweight requirements according to customer-provided drawings, equipment models, and installation conditions to manufacture components suitable for specific roller applications.
The function of a roller counterweight is closely related to its installation position and relationship with the machine center of gravity.
A Double Drum Vibratory Roller Counterweight is typically integrated into the equipment structure to provide additional ballast at a specified location. The position, shape, and mounting interface influence how the added mass interacts with the roller frame.
Important design factors include:
Additional ballast must match the original equipment design. Excessive or incorrectly positioned weight may affect machine balance, while insufficient ballast may not achieve the intended loading requirement.
Vibratory rollers operate under repeated dynamic loading conditions. Counterweight components must maintain structural integrity during continuous vibration cycles.
The counterweight must match:
Shengjian Fanrong focuses on manufacturing counterweight components that integrate with the original equipment structure without unnecessary modification.
Unlike general industrial weights, roller counterweights require consideration of equipment-specific mechanical conditions.
The design process focuses on several application factors:
Different roller models may use different fixing methods and installation positions. Shengjian Fanrong produces customized components according to drawings or technical information provided by customers.
During operation, vibratory rollers experience continuous mechanical vibration. Counterweight structures require sufficient casting quality and material consistency to withstand repeated operational loads.
The required counterweight design depends on:
A customized approach allows the counterweight shape and structure to match the actual equipment instead of forcing a standard component onto different machines.
| Design Consideration | Manufacturing Response |
|---|---|
| Equipment compatibility | Production according to customer drawings and specifications |
| Mounting structure | Customized mounting positions and interfaces |
| Weight requirement | Designed according to application requirements |
| Surface condition | Shot blasting and finishing processes after casting |
| Production method | Controlled casting process for mechanical components |
Material selection plays an important role in counterweight performance. Double drum vibratory rollers operate in construction environments where components are exposed to vibration, dust, outdoor weather, and repeated mechanical loading.
Shengjian Fanrong mainly manufactures counterweights using cast iron materials because cast iron provides suitable characteristics for heavy equipment ballast applications, including:
The casting production follows GB/T 9439-2010 “Gray Iron Castings” as the reference standard for gray iron casting applications.
Material selection and production control include:
The objective is not only to produce a heavy component but to manufacture a counterweight that matches the mechanical requirements of vibratory roller equipment.
Producing reliable roller counterweights requires control throughout the entire casting process.
Shengjian Fanrong supports Double Drum Vibratory Roller Counterweight production through integrated manufacturing resources, including:
The manufacturing process includes:
The production team prepares casting molds according to approved drawings and component requirements before controlled melting and casting operations.
After casting, shot blasting equipment is used for surface cleaning and preparation before inspection.
Finished components are checked according to production requirements, including material verification and dimensional inspection.
Shengjian Fanrong applies a three-level quality control process:
The company maintains ISO 9001, ISO 14001, and ISO 45001 management systems to support production control and traceability.
Double drum vibratory rollers from different manufacturers may have different structural designs, mounting positions, and ballast requirements.
For OEM projects, Shengjian Fanrong provides engineering support based on:
The customization process includes:
Customers provide available equipment information, including drawings, images, or dimensional requirements.
The technical team evaluates:
Customized design options can be provided within 1–3 working days based on customer information.
When customers provide existing molds, production and delivery generally require approximately 25–30 days.
When mold development is required, the process includes approximately 25 days for mold development and 25 days for production, with a total lead time of approximately 50 days.
Quality control for Double Drum Vibratory Roller Counterweight production focuses on preventing manufacturing issues that may affect installation or operational reliability.
The inspection process includes:
Spectrometer equipment supports material composition analysis during production.
Production teams monitor molding, casting, and surface treatment procedures according to approved requirements.
Before shipment, finished counterweights are checked for production consistency and packaging conditions.
Shengjian Fanrong has obtained:
The company maintains a first-time delivery rate above 97% through production control and inspection procedures.
Shengjian Fanrong provides customized manufacturing support for customers requiring replacement or OEM roller counterweight components.
The company’s manufacturing capability includes:
Products manufactured by Shengjian Fanrong have been supplied to international markets including Southeast Asia, Europe, North America, Japan, and South Korea.
The company has developed cooperation experience with equipment-related customers and brands including AUSA, DOOSAN, and CLARK through mechanical component manufacturing projects.
Double drum vibratory rollers are used in different construction environments where additional ballast requirements may vary.
Road projects require stable compaction results across large surface areas. Proper roller weight distribution supports consistent machine operation during repeated passes.
Factory floors, logistics areas, and large construction surfaces require controlled compaction conditions. Customized counterweights help adapt roller configuration to specific project requirements.
Bridge approaches, municipal roads, and other infrastructure projects may involve changing soil conditions and different compaction requirements.
When rollers operate on variable surfaces, equipment balance becomes an important consideration. Counterweight selection should match machine structure and operating conditions.
| Item | Specification |
|---|---|
| Product | Double Drum Vibratory Roller Counterweight |
| Manufacturer | Shengjian Fanrong |
| Main material | Cast iron |
| Manufacturing reference | GB/T 9439-2010 Gray Iron Castings |
| Customization | Available according to drawings and equipment requirements |
| Design support | 1–3 working days |
| OEM service | Available |
| Packaging | Pallet packaging or wooden case packaging |
| Production capacity | 80,000 tons annual precision mechanical component capacity |
| Factory area | 60,000 m² |
| Production plant | 30,000 m² |
It increases static linear pressure for better compaction, generates centrifugal force for vibration, and ensures machine balance and stability.
Yes — most double drum rollers use a 1:1 front-to-rear weight distribution for optimal traction and smooth compaction.
Traditional designs use steel blocks on the frame. Advanced designs fill the inner drum cavity with water, oil, or slurry — this applies weight directly to the compaction surface and allows flexible tonnage adjustment.
High-end vibration units with sealed eccentric counterweights (e.g., bean-shaped designs) can extend drum oil change intervals to 3 years or 3,000 hours.
Look for inconsistent compaction, abnormal vibration/noise, or reduced machine stability during operation. Contact service if these occur.
For frame-mounted steel blocks, adjustment is difficult. For drum-filled designs, tonnage can be fine-tuned by varying fill volume — but always follow manufacturer guidelines.
Modern rollers hide counterweights inside the drums — improving weight distribution, compactness, and compaction efficiency.
Shengjian Fanrong provides Double Drum Vibratory Roller Counterweight manufacturing solutions based on casting experience, OEM customization capability, and controlled production processes. By combining engineering evaluation with mechanical component manufacturing expertise, the company supports global customers requiring reliable counterweight components for vibratory roller applications.
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Beizheng Village, Beixiayin Township, Zunhua City, Hebei Province, China
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