This video shows selected factory testing points for two 5 ton LD single girder overhead cranes manufactured for an Australian workshop.
Each crane is designed with a 16 m span, 5 m lifting height and CD electric wire rope hoist, with the electrical system configured for 415V / 50Hz / 3-phase power. The project also includes P15 runway rails and a conductor/sliding-line power supply system.
The video focuses on key operating and load-testing procedures before shipment, including no-load functional testing, 1.1× dynamic load testing and 1.25× static load testing.
| Item | Specification |
|---|---|
| Project No. | 2026/7/25-26133 |
| Project Code | LD-AU |
| Country | Australia |
| Crane Type | LD Single Girder Overhead Crane |
| Quantity | 2 Sets |
| Rated Capacity | 5 Ton |
| Span | 16 m |
| Lifting Height | 5 m |
| Hoist Type | CD Electric Wire Rope Hoist |
| Power Supply | 415V / 50Hz / 3Ph |
| Runway Rail | P15 |
| Power Supply System | Conductor / Sliding Line |
The following timestamps highlight selected operating and testing points from the video.
| Time | Test / Operation |
|---|---|
| 0:00 | Hook Down — No-Load Lowering |
| 0:34 | Hook Up — No-Load Lifting |
| 0:45 | Hoist Cross Travel — Left |
| 1:03 | Hoist Cross Travel — Right |
| 1:40 | Crane Long Travel — Forward |
| 1:54 | Crane Long Travel — Backward |
The first section demonstrates the basic lifting, lowering, hoist cross-travel and crane long-travel functions without a load.
| Time | Test / Operation |
|---|---|
| 2:18 | Hook Up — No-Load Lifting |
| 2:34 | Hook Down — No-Load Lowering |
| 3:17 | Hoist Cross Travel — Right |
| 3:42 | Hoist Cross Travel — Left |
| 3:54 | Crane Long Travel — Backward |
| 3:58 | Crane Long Travel — Forward |
The second crane is tested in the same basic operating directions to verify its lifting and traveling functions.
| Time | Test / Operation |
|---|---|
| 4:11 | Hoist Up — Load Lifting |
| 4:20 | Hoist Down — Load Lowering |
| 4:30 | Hoist Cross Travel — Right |
The dynamic load test is performed at 1.1 times the rated capacity. For a 5 ton crane, this corresponds to a 5.5 ton test load, subject to the applicable project testing procedure.
The test is intended to check crane operation under the specified dynamic test condition.
| Time | Test / Operation |
|---|---|
| 6:30 | Static Load Test |
The static load test is performed at 1.25 times the rated capacity. For a 5 ton crane:
5 t × 1.25 = 6.25 t
The static test is intended to verify the crane's structural performance under the specified static test condition.
The exact test procedure and acceptance criteria should follow the applicable project specifications and relevant standards.
| Test Category | Main Purpose |
|---|---|
| No-Load Lifting | Checks hoisting and lowering operation |
| Hoist Cross Travel | Checks trolley movement and operating response |
| Crane Long Travel | Checks crane movement along the runway |
| 1.1× Dynamic Load Test | Checks operation under the specified dynamic test load |
| 1.25× Static Load Test | Checks structural performance under the specified static test load |
Together, these tests provide a basic check of the crane's lifting mechanism, trolley travel, crane travel and structural performance before shipment.
This video highlights several key testing points for reference, including no-load functional tests, dynamic load testing and static load testing. It is not the complete factory testing process.
The complete inspection and testing records form part of the project documentation. This video is provided for reference only and gives buyers a visual overview of the crane's operation and selected testing procedures.
For an overseas crane purchase, buyers should not rely on a test video alone. It is useful to confirm the corresponding technical and inspection documentation.
| Buyer Check | Recommended Confirmation |
|---|---|
| Rated Capacity | Confirm the crane SWL/rated capacity |
| Dynamic Test | Confirm the specified test load and test record |
| Static Test | Confirm the specified test load and test record |
| Hoisting Function | Check lifting and lowering operation |
| Hoist Travel | Check cross-travel operation |
| Crane Travel | Check long-travel operation |
| Electrical Supply | Confirm voltage, frequency and phase |
| Inspection Documents | Request factory or third-party inspection records where required |
For this project, the key testing values are 1.1× rated load for the dynamic test and 1.25× rated load for the static test. The video provides selected visual evidence of the testing process, while the complete inspection documentation provides the formal project record.
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