The eight major reasons why the sand blasting machine can't spray sand:
First, the sand in the sandblasting bucket has been used up. After deflation, re-sand the sand.
Second, the nozzle is blocked by foreign matter: After the blasting machine is vented, first turn the nozzle cover down to check whether the blasting can be blocked by foreign matter, if any foreign matter is cleared.
Third, the sandblasting tube is blocked by foreign matter:
1. (No sand control machine type) The pipe is blocked by foreign matter and excessive sand material;
2. (with sand conditioner model) The tube is blocked by foreign matter and excessive sand.
4. The moisture contained in the humid air of the sand material constitutes that the sand material in the sandblasting cylinder is damp and constitutes a sand blockage of the sand control device.
5. The high-pressure air instantaneously feeds a large amount of water: in addition to the moisture of the sand in the cylinder, the sand blasting machine will send the water into the sandblasting tube through the thrust valve to form a pipe with a wet adhering sand machine to cause blockage. Therefore, this phenomenon should be avoided as much as possible, and it is better to use the frozen monotonic machine.
6. When sanding, there is no filter screen, so that a large amount of foreign matter enters the sandblasting cylinder and is stuck on the sand adjusting device: firstly, the thrust valve is fully closed, the sand adjusting device is fully opened, the pressure cylinder is pressurized, and the sand blasting machine is started to Pressure to extrude foreign matter; if it is not possible, simply remove the sander at the bottom of the sand tube, vent the sand, and then lock the sand filter back; then, sieve the sand through the filter and re-engage The sand can be used.
Seventh, the thrust valve is too large and too small (or full): it is easy to form a sanding situation, should pay attention.
8. When the sand is added, it exceeds the capacity of the sand tube: it is easy to form the plug and the occlusion is not correct, and it cannot be pressurized; therefore, when adding sand, pay special attention to the amount of sand added.
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