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27
RONWIN
HS Code: 8431390000
A Top Flange Mount Heavy Load Ball Transfer Unit is a heavy-duty, omni-directional material handling component. It consists of a large, load-bearing ball seated in a housing that contains many smaller, precision bearing balls, allowing the main ball to rotate freely in any direction. The "Top Flange Mount" refers to its method of installation, where the unit is dropped into a pre-cut hole in a surface (like a table or conveyor bed) and secured from the top with bolts, making installation and removal very simple. These units are engineered to support and facilitate the movement of extremely heavy loads with minimal effort.
Heavy-Duty Materials: The main ball and housing are typically made from hardened steel, stainless steel, or sometimes chrome steel for maximum strength, wear resistance, and durability.
Large Load-Bearing Ball: The primary ball is significantly larger than those in standard units, designed to distribute high point loads over a greater surface area.
High-Capacity Bearing Mechanism: The socket is filled with hardened precision balls (the "transfer" mechanism) that allow the main ball to rotate with very low friction. These are often sealed and permanently lubricated for life.
Easy Installation: The unit features a flange or lip that rests on the top surface of the mounting plate. It is secured by bolts that pass through holes in this flange. This is its defining characteristic.
No Bottom Access Required: Unlike bolt-on units that require access underneath the table, top flange units can be installed and removed from above. This is a major advantage for many structures.
Secure and Stable: When bolted down, the flange provides a wide, stable base that resists tipping and rocking under heavy, shifting loads.
Engineered for Extreme Weight: These are not for light boxes. Individual units can have dynamic load capacities ranging from several hundred kilograms (kg) to several thousand kg per unit.
Static Load Rating: The static load capacity (when the load is stationary) is often 3 to 5 times higher than the dynamic rating, ensuring no deformation under stored loads.
Omni-Directional Movement: The primary advantage is that they allow loads to be moved in any horizontal direction with minimal pushing force, as well as rotated easily.
Low Starting and Rolling Friction: High-quality manufacturing ensures smooth movement, preventing "stick-slip" and making it possible to position heavy items precisely.
Duty Cycle: Designed for continuous or semi-continuous use in demanding industrial environments.
Spring-Loaded Options: Many heavy-duty models are available with a spring mechanism that lifts the ball slightly above the mounting surface. This keeps the load elevated when not in use and ensures the load is shared across multiple units.
Sealing: Options include rubber seals or labyrinth seals to protect the internal bearings from dust, debris, and moisture, which is critical for longevity in harsh environments.
| Model No. | Loading Capacity (kg) | Dimensions (mm) | Weight (g) | |||||||||
| Material | Suggest | Max. | d | D | h1 | h2 | H | L | P | a | ||
| 2712 | BS/CS | 15 | 20 | 12 | 24 | 3 | 17 | 24 | 45 | 35 | 4 | 100 |
| 2725 | BS/CS | 150 | 200 | 25.4 | 45 | 5.6 | 31.7 | 42 | 57 | 45 | 6 | 490 |
| 2730 | BS/CS | 250 | 300 | 30.16 | 54 | 6.5 | 37.5 | 50 | 68 | 54 | 6.5 | 1100 |
| 2738 | BS/CS | 350 | 400 | 38.1 | 60 | 12.7 | 36.6 | 62 | 76 | 58 | 7.0 | 1400 |
| 2751 | BS/CS | 600 | 700 | 51 | 102 | 14.3 | 64.7 | 98 | 127 | 102 | 11 | 6400 |
The unique combination of massive strength, easy mounting, and multi-directional movement makes these units indispensable in specific heavy-load scenarios.
Automotive Manufacturing: Used on assembly jigs and fixtures to position and rotate heavy components like engine blocks, transmissions, and vehicle frames.
Aerospace: Facilitating the precise movement and alignment of large aircraft wings, fuselage sections, and other components.
Industrial Machinery: Assisting in the assembly and installation of large presses, injection molding machines, and CNC equipment.
Multi-Directional Transfer: A grid of ball transfer units is installed flush into a table surface (often called a "ball transfer table"). This creates a zone where heavy pallets, crates, or machinery can be easily pushed off a conveyor line, rotated 90 degrees, or transferred onto another conveyor.
Direction Change Stations: Critical in logistics and manufacturing lines where the product flow path needs to change without complex conveyor systems.
Supporting and Moving Sheet Metal: Used in conjunction with press brakes and laser cutters to support large, heavy sheets of metal (e.g., steel plate), allowing operators to slide them into position for processing without scratching the surface.
Loading Docks and Warehouses: Embedded in heavy-duty dock plates or sections of flooring to help maneuver fully loaded pallets weighing thousands of kilograms in and out of trucks.
Pallet Rotators: Used as a key component in devices designed to rotate heavy pallets for wrapping or depalletizing.
Any custom workholding fixture or assembly jig that requires a heavy component to be easily repositioned or rotated by an operator or robot will often incorporate these units.
| Feature | Top Flange Mount | Bolt-On Mount (Stud Type) | Bottom Flange Mount |
|---|---|---|---|
| Mounting Method | Dropped into hole, bolted from the top. | Threaded stud screwed into a tapped hole from below. | Bolts pass through the flange from above, but the flange sits under the mounting surface. |
| Installation Ease | Very Easy. No bottom access needed. | Difficult. Requires precise tapping and access underneath. | Moderate. Requires a clearance hole and access underneath for nuts. |
| Stability under Load | Excellent. Wide flange resists rocking. | Good, but relies on thread strength. | Excellent, similar to top flange. |
| Best For | Thick plates, tables, and surfaces where bottom access is restricted. | Thin surfaces where a strong thread can be formed. | Situations where a perfectly flush top surface is critical. |
Top Flange Mount Heavy Load Ball Transfer Units are the go-to solution when you need to move massive, cumbersome loads effortlessly in any direction. Their robust construction ensures reliability under extreme stress, while their top-mounted flange design offers unparalleled installation flexibility. They are fundamental components for creating efficient, ergonomic, and safe material handling systems in the most demanding industrial settings, from automotive plants to heavy machinery workshops.
A Top Flange Mount Heavy Load Ball Transfer Unit is a heavy-duty, omni-directional material handling component. It consists of a large, load-bearing ball seated in a housing that contains many smaller, precision bearing balls, allowing the main ball to rotate freely in any direction. The "Top Flange Mount" refers to its method of installation, where the unit is dropped into a pre-cut hole in a surface (like a table or conveyor bed) and secured from the top with bolts, making installation and removal very simple. These units are engineered to support and facilitate the movement of extremely heavy loads with minimal effort.
Heavy-Duty Materials: The main ball and housing are typically made from hardened steel, stainless steel, or sometimes chrome steel for maximum strength, wear resistance, and durability.
Large Load-Bearing Ball: The primary ball is significantly larger than those in standard units, designed to distribute high point loads over a greater surface area.
High-Capacity Bearing Mechanism: The socket is filled with hardened precision balls (the "transfer" mechanism) that allow the main ball to rotate with very low friction. These are often sealed and permanently lubricated for life.
Easy Installation: The unit features a flange or lip that rests on the top surface of the mounting plate. It is secured by bolts that pass through holes in this flange. This is its defining characteristic.
No Bottom Access Required: Unlike bolt-on units that require access underneath the table, top flange units can be installed and removed from above. This is a major advantage for many structures.
Secure and Stable: When bolted down, the flange provides a wide, stable base that resists tipping and rocking under heavy, shifting loads.
Engineered for Extreme Weight: These are not for light boxes. Individual units can have dynamic load capacities ranging from several hundred kilograms (kg) to several thousand kg per unit.
Static Load Rating: The static load capacity (when the load is stationary) is often 3 to 5 times higher than the dynamic rating, ensuring no deformation under stored loads.
Omni-Directional Movement: The primary advantage is that they allow loads to be moved in any horizontal direction with minimal pushing force, as well as rotated easily.
Low Starting and Rolling Friction: High-quality manufacturing ensures smooth movement, preventing "stick-slip" and making it possible to position heavy items precisely.
Duty Cycle: Designed for continuous or semi-continuous use in demanding industrial environments.
Spring-Loaded Options: Many heavy-duty models are available with a spring mechanism that lifts the ball slightly above the mounting surface. This keeps the load elevated when not in use and ensures the load is shared across multiple units.
Sealing: Options include rubber seals or labyrinth seals to protect the internal bearings from dust, debris, and moisture, which is critical for longevity in harsh environments.
| Model No. | Loading Capacity (kg) | Dimensions (mm) | Weight (g) | |||||||||
| Material | Suggest | Max. | d | D | h1 | h2 | H | L | P | a | ||
| 2712 | BS/CS | 15 | 20 | 12 | 24 | 3 | 17 | 24 | 45 | 35 | 4 | 100 |
| 2725 | BS/CS | 150 | 200 | 25.4 | 45 | 5.6 | 31.7 | 42 | 57 | 45 | 6 | 490 |
| 2730 | BS/CS | 250 | 300 | 30.16 | 54 | 6.5 | 37.5 | 50 | 68 | 54 | 6.5 | 1100 |
| 2738 | BS/CS | 350 | 400 | 38.1 | 60 | 12.7 | 36.6 | 62 | 76 | 58 | 7.0 | 1400 |
| 2751 | BS/CS | 600 | 700 | 51 | 102 | 14.3 | 64.7 | 98 | 127 | 102 | 11 | 6400 |
The unique combination of massive strength, easy mounting, and multi-directional movement makes these units indispensable in specific heavy-load scenarios.
Automotive Manufacturing: Used on assembly jigs and fixtures to position and rotate heavy components like engine blocks, transmissions, and vehicle frames.
Aerospace: Facilitating the precise movement and alignment of large aircraft wings, fuselage sections, and other components.
Industrial Machinery: Assisting in the assembly and installation of large presses, injection molding machines, and CNC equipment.
Multi-Directional Transfer: A grid of ball transfer units is installed flush into a table surface (often called a "ball transfer table"). This creates a zone where heavy pallets, crates, or machinery can be easily pushed off a conveyor line, rotated 90 degrees, or transferred onto another conveyor.
Direction Change Stations: Critical in logistics and manufacturing lines where the product flow path needs to change without complex conveyor systems.
Supporting and Moving Sheet Metal: Used in conjunction with press brakes and laser cutters to support large, heavy sheets of metal (e.g., steel plate), allowing operators to slide them into position for processing without scratching the surface.
Loading Docks and Warehouses: Embedded in heavy-duty dock plates or sections of flooring to help maneuver fully loaded pallets weighing thousands of kilograms in and out of trucks.
Pallet Rotators: Used as a key component in devices designed to rotate heavy pallets for wrapping or depalletizing.
Any custom workholding fixture or assembly jig that requires a heavy component to be easily repositioned or rotated by an operator or robot will often incorporate these units.
| Feature | Top Flange Mount | Bolt-On Mount (Stud Type) | Bottom Flange Mount |
|---|---|---|---|
| Mounting Method | Dropped into hole, bolted from the top. | Threaded stud screwed into a tapped hole from below. | Bolts pass through the flange from above, but the flange sits under the mounting surface. |
| Installation Ease | Very Easy. No bottom access needed. | Difficult. Requires precise tapping and access underneath. | Moderate. Requires a clearance hole and access underneath for nuts. |
| Stability under Load | Excellent. Wide flange resists rocking. | Good, but relies on thread strength. | Excellent, similar to top flange. |
| Best For | Thick plates, tables, and surfaces where bottom access is restricted. | Thin surfaces where a strong thread can be formed. | Situations where a perfectly flush top surface is critical. |
Top Flange Mount Heavy Load Ball Transfer Units are the go-to solution when you need to move massive, cumbersome loads effortlessly in any direction. Their robust construction ensures reliability under extreme stress, while their top-mounted flange design offers unparalleled installation flexibility. They are fundamental components for creating efficient, ergonomic, and safe material handling systems in the most demanding industrial settings, from automotive plants to heavy machinery workshops.
