A slip table in vibration testing is an auxiliary table used with a vibration exciter (shaker) to transmit motion in the horizontal direction. It's essential for testing specimens in a horizontal orientation, particularly when the specimen's orientation must be maintained throughout the test. Slip tables also enable testing of large and heavy specimens that might exceed the capacity of the shaker's vertical table.
Key Functions and Benefits:
Horizontal Testing:
Enables vibration testing in the horizontal plane, crucial for many applications where the vertical orientation of a standard shaker is not suitable.
Maintaining Specimen Orientation:
Allows for testing while keeping the specimen's orientation consistent with its intended application, which is vital for some tests.
Accommodating Large and Heavy Specimens:
Facilitates testing of specimens that are too large or heavy for direct mounting on the shaker's vertical table.
Improved Load Capacity:
Slip tables, especially those with hydrostatic bearings, can handle heavier loads and provide better dynamic stability.
Increased Testing Flexibility:
Provides a way to test products in various orientations and configurations, expanding the scope of vibration testing capabilities.
Types of Slip Tables:
Monobase:
Shaker and slip table are mounted on a common base, allowing for quick and precise alignment.
Stand-alone:
Slip table is mounted on a separate platform, allowing for flexibility in choosing shakers from different manufacturers.
Hydrostatic Bearing:
Utilize hydrostatic bearings for smooth, low-friction movement and high load capacity.
Mechanical Bearing:
Employ linear motion guides for a rigid, high-load, and long-stroke motion.
Considerations for Choosing a Slip Table:
Specimen Size and Weight
Determine the dimensions and weight of the test article to ensure the slip table can handle it.
Required Acceleration and Frequency:
Select a slip table that can achieve the desired acceleration and frequency levels for the test.
Testing Requirements:
Consider whether the test requires maintaining specimen orientation or if horizontal testing is necessary.
Budget and Performance Needs:
Balance cost with the required performance characteristics like load capacity, dynamic stability, and friction levels.
In summary, slip tables are essential components in vibration testing, enabling horizontal testing, accommodating large specimens, and offering flexibility in test configurations. They come in various designs and configurations to meet specific testing needs and budgets.
| mass of movng parts (aluminum/magnesium) | JV-03KN | | JV-20KN | | JV-40KN | |
| | JV-06KN | | JV-30KN | JV-50KN | JV-70KN |
| Thinkness/Frequency | | JV-10KN | | JV-40KN | JV-60KN | JV-80KN |
| SL0303(300x300) | 30 | | | | | |
| 11.5/8.5 | | | | | |
| SL0404(400x400) | 30 | 30 | | | | |
| 17.5/12. | 20/15 | | | | |
| SL0505(500x500) | 30 | 30 | 40 | 40 | 45 | 45 |
| 25.5/17.5 | 28/20.5 | 38/27.5 | 42/31.5 | 56.5/43 | 61.5/48 |
| SL0606(600x600) | 40 | 40 | 40 | 40 | 45 | 45 |
| 46/31 | 48.5/34 | 50.5/36 | 55/40 | 73/54 | 79/59 |
| SL0707(700x700) | 45 | 45 | 45 | 45 | 45 | 45 |
| 69/47 | 72/50 | 74/52 | 80/58 | 93/68 | 98/73 |
| SL0808(800x800) | | 45 | 45 | 45 | 45 | 45 |
| | 91/63 | 96/66 | 100/70 | 114/82 | 119/107 |
| SL0909(900x900) | | 45 | 45 | 45 | 50 | 50 |
| | 112/77 | 118/81 | 122/85 | 139/98 | 144/103 |
| SL1010(1000x1000) | | 45 | 45 | 45 | 50 | 50 |
| | 136/93 | 142/97 | 146/101 | 166/116 | 171/121 |
| SL1111(1100x1100) | | 45 | 45 | 45 | 50 | 50 |
| | 167/113 | 169/115 | 173/119 | 195/136 | 200/141 |
| SL1212(1200x1200) | | 45 | 45 | 45 | 50 | 50 |
| | 196/133 | 198/135 | 202/139 | 228/158 | 233/163 |
| Work environment | Temperature range5~35℃,
humidity range ≤90&(not condensing) |
| Note | 1. The equivalent mass of the moving parts is the sum of the mass of the water platform, the joint, the V-rail and the drive rod. (excluding moving coil mass) |
| 2. The frequency limit is 2000Hz. |
| 3. The equivalent mass of the moving parts of the table is the equivalent quality of the conventional design. If there are special requirements and special designs, it is necessary to recalculate the equivalent mass of the moving parts. |
