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42
RONWIN
HS Code: 8431390000
A Spring-Loaded Shockproof Heavy Ball Transfer Unit is a heavy-duty omni-directional material handling component designed to facilitate the smooth movement of heavy, uneven, or delicate loads in any direction while absorbing shocks, vibrations, and compensating for surface irregularities. It's a significant upgrade over a standard ball transfer unit for demanding applications.
Think of it as a heavy-duty "caster" but for a stationary surface, where the load is moved over the top of the ball.
The name itself breaks down its core feature set.
Feature: This is the defining characteristic. The entire ball housing is mounted on a robust internal spring.
Benefit:
Shock Absorption: When a heavy load is applied or dropped onto the unit, the spring compresses, absorbing the impact energy instead of transferring it to the conveyor frame, floor, or the load itself.
Load Compensation: It automatically adjusts the height of the ball to accommodate uneven load bottoms, pallets, or machinery. This ensures that the load's weight is distributed evenly across multiple units, even if they are not all on the same plane.
Constant Contact: The spring tension ensures the ball maintains positive contact with the load, preventing jitters, bouncing, or hanging on a single unit.
Feature: This is a result of the spring-loading combined with a rugged design. Components are built to withstand repeated impact cycles without failure.
Benefit: Protects both the unit itself and the load from damage caused by sudden impacts, significantly increasing the lifespan of the equipment and preventing product damage.
Feature: Constructed from high-strength materials such as:
Ball: Hardened carbon chrome steel, stainless steel, or sometimes nylon for specific environments.
Housing: Forged or machined carbon steel or stainless steel.
Large Ball Diameter: Heavy-duty units have larger balls (e.g., 50mm, 75mm, 100mm and up) to distribute load over a greater surface area.
Benefit: Capable of supporting extremely high static and dynamic loads, often ranging from several hundred kilograms to several tons per unit.
Feature: The ball rotates freely in any horizontal direction within its socket.
Benefit: Provides ultimate maneuverability, allowing loads to be rotated, shifted, or positioned laterally with minimal effort. This eliminates the need for complex steering mechanisms.
Feature: The ball sits in a precision bearing system (often a series of smaller needle or ball bearings) that allows for smooth, low-friction rotation. High-quality seals (often labyrinth or triple-lip contact seals) are incorporated.
Benefit: The bearing system handles the radial loads for smooth movement, while the seals protect the internal mechanisms from dust, grit, moisture, and other contaminants, ensuring reliability in harsh environments.
| Model No. | Loading Capacity (kg) | Dimensions (mm) | Weight (g) | ||||||
| Material | Compress | Suggest/Max. | d | D | h1 | h2 | H | ||
| 4210 | BS/CS | 15kgf | 20/25 | 9.52 | 20 | 2 | 23 | 25 | 42 |
| 4215 | BS/CS | 40kgf | 50/60 | 15.875 | 28 | 3 | 33 | 36 | 120 |
| 4219 | BS/CS | 60kgf | 70/80 | 19.05 | 38 | 3 | 35 | 38 | 280 |
| 4225 | BS/CS | 100kgf | 120/150 | 25.40 | 44 | 5 | 40 | 45 | 390 |
These units are indispensable in industries where heavy, cumbersome, or delicate items need to be moved, positioned, or transferred with precision and care.
Use Case: Positioning large CNC machine frames, industrial generators, stamping presses, and turbine components on the assembly floor.
Why it's used: The spring load compensates for uneven machine bases, and the shockproof feature protects precision-machined surfaces from impact damage during positioning.
Use Case: Moving and aligning aircraft wings, fuselage sections, and other large composite structures.
Why it's used: The units allow for micro-adjustments in any direction. The shock absorption is critical for protecting multi-million dollar, delicate composite structures from cracks or stress points.
Use Case: Transferring massive, multi-ton stamping dies in and out of presses.
Why it's used: Enables precise lateral movement to align the die with the press rails. The spring load absorbs the initial shock when the die is set down.
Use Case: Used at the junction of two conveyors or as part of a manual turntable to change the direction of heavy pallets, rolls of steel, or large containers.
Why it's used: Allows an operator to easily push a heavy load in a new direction with minimal force. The ball transfer units are often mounted flush in a steel plate to create a "ball transfer table."
Use Case: Moving vehicle frames, engine blocks, and large assemblies between production stations.
Why it's used: Provides the flexibility for manual adjustments and protects both the component and the workstation from impact forces.
Use Case: Handling heavy industrial equipment, large generators, or custom-built machinery in a warehouse.
Why it's used: A simple and cost-effective way to move items that are too heavy for standard pallet jacks or are irregularly shaped.
| Feature | Spring-Loaded Shockproof Heavy Unit | Standard Ball Transfer Unit |
|---|---|---|
| Load Capacity | Very High (500kg - 5000kg+) | Low to Moderate (50kg - 500kg) |
| Impact Handling | Excellent (Designed for it) | Poor (Rigid, impacts damage unit and load) |
| Uneven Loads | Compensates automatically | Can cause jamming and uneven wear |
| Cost | Higher | Lower |
| Application | Heavy, delicate, critical positioning | Light-duty, uniform loads, simple conveying |
In summary, the Spring-Loaded Shockproof Heavy Ball Transfer Unit is an engineering solution for the most challenging material handling problems. It is the go-to component when you need to combine extreme load capacity with precise, shock-protected maneuverability. By absorbing energy and compensating for imperfections, it protects both the product and the infrastructure, making it a critical asset in heavy industry, aerospace, and advanced manufacturing.
A Spring-Loaded Shockproof Heavy Ball Transfer Unit is a heavy-duty omni-directional material handling component designed to facilitate the smooth movement of heavy, uneven, or delicate loads in any direction while absorbing shocks, vibrations, and compensating for surface irregularities. It's a significant upgrade over a standard ball transfer unit for demanding applications.
Think of it as a heavy-duty "caster" but for a stationary surface, where the load is moved over the top of the ball.
The name itself breaks down its core feature set.
Feature: This is the defining characteristic. The entire ball housing is mounted on a robust internal spring.
Benefit:
Shock Absorption: When a heavy load is applied or dropped onto the unit, the spring compresses, absorbing the impact energy instead of transferring it to the conveyor frame, floor, or the load itself.
Load Compensation: It automatically adjusts the height of the ball to accommodate uneven load bottoms, pallets, or machinery. This ensures that the load's weight is distributed evenly across multiple units, even if they are not all on the same plane.
Constant Contact: The spring tension ensures the ball maintains positive contact with the load, preventing jitters, bouncing, or hanging on a single unit.
Feature: This is a result of the spring-loading combined with a rugged design. Components are built to withstand repeated impact cycles without failure.
Benefit: Protects both the unit itself and the load from damage caused by sudden impacts, significantly increasing the lifespan of the equipment and preventing product damage.
Feature: Constructed from high-strength materials such as:
Ball: Hardened carbon chrome steel, stainless steel, or sometimes nylon for specific environments.
Housing: Forged or machined carbon steel or stainless steel.
Large Ball Diameter: Heavy-duty units have larger balls (e.g., 50mm, 75mm, 100mm and up) to distribute load over a greater surface area.
Benefit: Capable of supporting extremely high static and dynamic loads, often ranging from several hundred kilograms to several tons per unit.
Feature: The ball rotates freely in any horizontal direction within its socket.
Benefit: Provides ultimate maneuverability, allowing loads to be rotated, shifted, or positioned laterally with minimal effort. This eliminates the need for complex steering mechanisms.
Feature: The ball sits in a precision bearing system (often a series of smaller needle or ball bearings) that allows for smooth, low-friction rotation. High-quality seals (often labyrinth or triple-lip contact seals) are incorporated.
Benefit: The bearing system handles the radial loads for smooth movement, while the seals protect the internal mechanisms from dust, grit, moisture, and other contaminants, ensuring reliability in harsh environments.
| Model No. | Loading Capacity (kg) | Dimensions (mm) | Weight (g) | ||||||
| Material | Compress | Suggest/Max. | d | D | h1 | h2 | H | ||
| 4210 | BS/CS | 15kgf | 20/25 | 9.52 | 20 | 2 | 23 | 25 | 42 |
| 4215 | BS/CS | 40kgf | 50/60 | 15.875 | 28 | 3 | 33 | 36 | 120 |
| 4219 | BS/CS | 60kgf | 70/80 | 19.05 | 38 | 3 | 35 | 38 | 280 |
| 4225 | BS/CS | 100kgf | 120/150 | 25.40 | 44 | 5 | 40 | 45 | 390 |
These units are indispensable in industries where heavy, cumbersome, or delicate items need to be moved, positioned, or transferred with precision and care.
Use Case: Positioning large CNC machine frames, industrial generators, stamping presses, and turbine components on the assembly floor.
Why it's used: The spring load compensates for uneven machine bases, and the shockproof feature protects precision-machined surfaces from impact damage during positioning.
Use Case: Moving and aligning aircraft wings, fuselage sections, and other large composite structures.
Why it's used: The units allow for micro-adjustments in any direction. The shock absorption is critical for protecting multi-million dollar, delicate composite structures from cracks or stress points.
Use Case: Transferring massive, multi-ton stamping dies in and out of presses.
Why it's used: Enables precise lateral movement to align the die with the press rails. The spring load absorbs the initial shock when the die is set down.
Use Case: Used at the junction of two conveyors or as part of a manual turntable to change the direction of heavy pallets, rolls of steel, or large containers.
Why it's used: Allows an operator to easily push a heavy load in a new direction with minimal force. The ball transfer units are often mounted flush in a steel plate to create a "ball transfer table."
Use Case: Moving vehicle frames, engine blocks, and large assemblies between production stations.
Why it's used: Provides the flexibility for manual adjustments and protects both the component and the workstation from impact forces.
Use Case: Handling heavy industrial equipment, large generators, or custom-built machinery in a warehouse.
Why it's used: A simple and cost-effective way to move items that are too heavy for standard pallet jacks or are irregularly shaped.
| Feature | Spring-Loaded Shockproof Heavy Unit | Standard Ball Transfer Unit |
|---|---|---|
| Load Capacity | Very High (500kg - 5000kg+) | Low to Moderate (50kg - 500kg) |
| Impact Handling | Excellent (Designed for it) | Poor (Rigid, impacts damage unit and load) |
| Uneven Loads | Compensates automatically | Can cause jamming and uneven wear |
| Cost | Higher | Lower |
| Application | Heavy, delicate, critical positioning | Light-duty, uniform loads, simple conveying |
In summary, the Spring-Loaded Shockproof Heavy Ball Transfer Unit is an engineering solution for the most challenging material handling problems. It is the go-to component when you need to combine extreme load capacity with precise, shock-protected maneuverability. By absorbing energy and compensating for imperfections, it protects both the product and the infrastructure, making it a critical asset in heavy industry, aerospace, and advanced manufacturing.
