Wuxi Guangqiang Bearing Trade Co.,Ltd
Wuxi Guangqiang Bearing Trade Co., Ltd.
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Expansion Coupling Sleeve Main Advantages
Easy to install
Low machining accuracy required for shaft holes, no need for heating/pressurising equipment, only need to tighten bolts diagonally according to torque.
Allows hubs to be repositioned on the shaft and supports couplings with poorly welded materials.
High reliability
No keyway weakening structure, no relative motion wear, long life.
Automatic failure in case of overload protects equipment safety.
Flexible adaptation
can withstand multiple loads, support the use of multiple expansion sleeves in series to increase the load.
Easy to disassemble (just loosen the bolts), anti-rust design of the contact surface to ensure repeated use.
| Dimentions | Hexagon socket head cap screws | Rated burden | Pressure on the joint surface between the expansion sleeve and the shaft | Pressure on the expansion sleeve-hub interface | Screw tightening torque | Weight | ||||||
| d | D | l | L | L1 | d1 | n | Axial force Ft(kN) | Torque Mt(kN.m) | pf(N/mm2) | pf1(N/mm2) | MA(N.m) | W.t(kg) |
| 200 | 270 | 88 | 94 | 110 | M16 | 24 | 1050 | 105 | 242 | 179 | 355 | 18.8 |
| 210 | 290 | 110 | 116 | 134 | M18 | 20 | 1118 | 117.3 | 197 | 143 | 485 | 23 |
| 220 | 300 | 110 | 116 | 134 | M18 | 21 | 1120 | 123 | 189 | 138 | 485 | 27.7 |
| 240 | 320 | 110 | 116 | 134 | M18 | 24 | 1280 | 153 | 198 | 148 | 485 | 29.8 |
| 250 | 330 | 110 | 116 | 134 | M18 | 27 | 1282 | 160.2 | 205 | 157 | 485 | 31 |
| 260 | 340 | 110 | 116 | 134 | M18 | 27 | 1430 | 186 | 205 | 157 | 485 | 32 |
| 280 | 370 | 130 | 136 | 156 | M20 | 24 | 1650 | 230 | 192 | 145 | 690 | 46 |
| 300 | 390 | 130 | 136 | 156 | M20 | 24 | 1650 | 245 | 179 | 138 | 690 | 49 |
Can adapter sleeves withstand harsh environmental conditions?
Harsh environments, characterized by moisture, dust, and extreme temperatures, pose significant challenges.
Corrosion Resistance: Exposure to moisture can lead to corrosion, affecting the sleeve's performance.
Solution: For operations in harsh environments, select adapter sleeves made from corrosion-resistant materials or consider protective coatings to enhance the durability of adapter sleeves.
How should maintenance routines be structured for systems utilizing adapter sleeves?
Effective maintenance is crucial for maximizing lifespan and performance.
Inspection Schedules: Establishing routine inspection schedules helps detect potential issues early.
Lubrication Needs: Proper lubrication ensures smooth operation and reduces wear.
Solution: To maintain systems with adapter sleeves effectively:
Implement a comprehensive maintenance schedule including cleaning, inspection, and re-lubrication of components around the adapter sleeve.
Keep detailed records of all maintenance activities to track the condition and performance of adapter sleeves over time.
Are there specific considerations for selecting adapter sleeves for high-speed applications?
High-speed applications require careful selection to manage heat generation and vibration.
Heat Management: High speeds can generate significant heat, leading to increased wear.
Solution: For high-speed applications, choose adapter sleeves designed for enhanced speed capabilities with optimized internal geometries. Ensure adequate lubrication and cooling systems are in place to support the adapter sleeves.