A pre-shipment test video is a useful tool for buyers of automatic concrete block machines, especially when they cannot visit the factory before delivery. A good video can show machine movement, material feeding, mould installation, hydraulic response, electrical control, pallet transfer, stacker action, and packing preparation. A weak video only shows the machine running for a few seconds and does not give enough evidence for acceptance.
The purpose of video review is not to replace final installation testing. The purpose is to reduce avoidable uncertainty before shipment. Once the machine leaves the factory, correcting missing parts, wrong voltage, unclear wiring, mould mismatch, or unstable movement becomes more expensive and slower. Buyers should therefore request focused video evidence before final payment or container loading.
Why pre-shipment video review is useful
A concrete block machine includes mechanical, hydraulic, electrical, and mould systems. These systems must work together in the correct sequence. A pre-shipment video helps the buyer confirm whether the ordered configuration is assembled, whether the machine can complete repeated cycles, and whether accessories are prepared. It also creates a record for later installation comparison.
The buyer should request a continuous video instead of only edited clips. A continuous video makes it easier to observe repeated movement, waiting time, abnormal sound, sensor response, and operator operation. If the machine is tested with material, the buyer can also observe block height, surface condition, edge quality, demoulding stability, and pallet alignment.
For overseas projects, the video should include nameplate, control cabinet, hydraulic station, mould, spare parts, and packing. These details help confirm that the machine matches the quotation. If the quotation includes batching machine, mixer, conveyor, pallet feeder, stacker, or offline cuber, the video should show those parts as well.
Machine cycle, material feeding, and demoulding
The machine cycle should be reviewed from start to finish. The buyer should see pallet feeding, material feeding, vibration, pressing, demoulding, block discharge, and pallet transfer. If only the host machine frame is shown, the buyer cannot judge the complete production flow. A test video should show how the machine behaves during several repeated cycles.
Material feeding is especially important. Semi-dry concrete must fill the mould evenly. If material stays in one side of the mould box, blocks may have weak corners or height differences. If the buyer plans to produce pavers, face mix feeding and surface layer control should be checked. If the buyer plans hollow blocks, web thickness and demoulding stability should be observed.
Hydraulic, electrical, and safety functions
The hydraulic system should move smoothly without visible leakage or unstable shaking. The buyer should check oil pipe arrangement, cylinder movement, hydraulic station position, and pressure response if shown. Hydraulic problems may affect pressing force, mould lifting, pallet feeding, and other repeated actions.
The electrical control system should also be shown clearly. The buyer can request video of the touch screen, language setting, manual mode, automatic mode, sensor response, and emergency stop function. Emergency stop testing is important because automatic machines include moving conveyors, pallet systems, stackers, and hydraulic movements. Safety functions should be confirmed before shipment, not only after installation.
A practical acceptance observation is to compare the video with the quotation line by line. If the quotation includes a stacker, the stacker should appear in the test evidence. If it includes three moulds, the mould list or packing should show them. If spare parts are included, the spare parts package should be photographed. This simple check prevents disputes after delivery.
Video review table
| Video item | What to observe | Buyer value |
|---|
| Repeated cycles | Watch several complete cycles from pallet feeding to block discharge. | Confirms repeatability, not only one successful movement. |
| Material feeding | Check whether material fills the mould evenly. | Helps judge block density, height, and corner quality. |
| Hydraulic movement | Observe cylinders, hoses, pressure response, and leakage signs. | Reduces risk of movement instability after installation. |
| Packing and accessories | Confirm moulds, spare parts, pallets, cabinet, and shipment preparation. | Helps match the shipment with the quotation scope. |
For buyers reviewing a QT8 automatic concrete paver fly ash brick making machine, pre-shipment video review should include the host machine and the equipment around it. The buyer should not approve only from a close-up of finished blocks.
FAQ
Is one short test video enough?
No. A short video may show that the machine can move, but it may not show repeatability, safety functions, material feeding, stacker movement, or accessory packing.
Should the test use real concrete material?
If possible, material testing is more useful because it shows feeding, vibration, demoulding, block height, and surface condition. If material testing is not possible, repeated dry cycles should still be reviewed.
What if the buyer cannot understand the control screen?
The buyer should ask for the selected language interface, main operating pages, manual mode, automatic mode, alarm page, and basic parameter explanation before shipment.
Conclusion
A pre-shipment test video helps buyers verify machine configuration, repeated movement, material feeding, hydraulic response, electrical control, safety functions, and packing scope before delivery. The next step is to prepare a checklist based on the quotation and ask the supplier to provide video evidence for each important item. This makes final installation smoother and reduces avoidable disputes after the machine arrives.
Tel: +86-13905968794
Email: export@hwmachines.com
MP/WhatsApp: +86-13905968794
Manufacturer Address:Nanan,Quanzhou City,Fujian Province,China
