A three-axis thread rolling machine is composed of various parts and components, and malfunctions can occur at any time during use, such as the sudden appearance of tangled threads. The most common cause of this is that the operator fails to replace the rolling head in time, resulting in the addition of steel bars of inconsistent specifications and sizes, leading to mismatched threads. In this case, simply shutting down the machine and replacing the rolling head will resolve the issue.
In addition, the inability to roll out threads or the presence of tangled threads can also be related to incorrect rotation direction of the rolling head; mismatch between the rolling head specifications and the rebar; incorrect sequence of the positioning sleeves; incorrect installation sequence of the rolling heads; and damage to the rollers and positioning sleeves. We can check these factors before starting the machine to avoid losses.
In fact, thread rolling machines can also experience other malfunctions, such as the circuit breaker not starting, the circuit breaker always stopping at the closed position in both forward and reverse directions, a missing phase in the power supply, the thermal protector failing to function, a blown fuse, loose wiring, or a burnt-out transformer. Check for damaged or poorly connected control circuit contacts. In these cases, check the start/stop buttons for loose connections; ensure the button contacts are in good condition; and check the limit contacts at the front of the thread rolling machine for damage to the contacts, wires, and fuses.
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