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In a laser machine, there are many small parts responsible for the accuracy and correctness of movements. One of these components is the end sensor. Today, we will explain what they are and how to replace the end sensor in case of a malfunction.
End sensors. What it is
The end sensor is a device responsible for detecting the physical limits of movement or position of the equipment parts. It essentially sets these boundaries, beyond which the machine cannot move. This significantly minimizes the risk of damage or harm to the operator.
The end sensors come in various types, and Wattsan machines use inductive ones. This means that detection is done through a non-contact method, using reactions to electromagnetic currents. Such a sensor detects only the metallic parts of the machine, preventing them from exceeding the allowed limits before colliding with an obstacle, which greatly reduces wear and tear!
Let’s replace the end sensor
If the machine is turned on and the laser head travels to the end sensors but does not stop and begins to strike the machine bed, the first step is to ensure that the end sensors are operational by holding a metal screwdriver against them.
You can determine this by whether the sensor lights up or not. So, if you see that it doesn’t light up, it’s time to replace it!
Step 1. Let’s turn off the machine and remove the terminals from the controller to which the defective sensor wires are connected.
Step 2. Dismantle the wires of the defective sensor and separate the twin wires.
Step 3. Reconnect the wires of the good sensor to the terminals.
Step 4. Remove the wires of the defective sensor, take a new sensor and plug it in instead of the defective one.
Step 5. Power the laser machine up and check that the sensor is powered too.
Now, we need to make sure that the laser head reacts to the new sensor and stops the movement when needed.
Fit the new sensor in its proper location and make sure that the gantry is not touching the end sensor. Route the sensor wiring to the controller, connect the new end sensor to the controller and check the operation of the new sensor in the operating mode of a machine.
Now, everything should be working properly!
For your convenience, we prepared a video to help you out with the whole process. If you have any questions anyway, we are always ready to help. You may contact us here.
Wattsan machines are designed to provide the owner with the longest and most comfortable work possible. In addition to inductive end sensors, our equipment features a gantry with a wall thickness ranging from 5 to 7 mm, vibration supports, 3-phase motors, and more.
That allows our machine to be precise without losing speed. And you may process materials like wood, cardboard, acrylic, glass, rubber, stone, fabrics, wool etc.
