The Importance and Application of Interlock Safety Switch in CNC Machining Centers
Safety interlock switches are a type of safety device used in industrial and commercial environments. Their main function is to control the open and close status of the door to ensure that the machine or equipment will not cause a safety accident due to the accidental opening of the door during operation. When the door is fully closed, the safety door switch will lock the door state and allow the equipment to start or continue to operate. When the safety door and interlock switches are opened, the equipment will stop running immediately to prevent the operator from entering the dangerous area or accidentally touching the equipment.
1. Safety protection: On CNC machining centers, the main function of the interlocking safety switch is to provide safety protection. When the machine tool door is not completely closed, the safety locking devices can detect the door is not closed through the sensor, and alarm and stop the machine in time, thereby preventing the chips, coolant, etc. splashed out during the cutting process from causing harm to the operator. This real-time monitoring and rapid response capability greatly improves the safety of CNC machining centers.
2. Convenience of operation: The design of the safety switches for machine also takes into account the convenience of operation. It can be unlocked in a variety of ways, making it easy for operators to enter and exit the machine tool. At the same time, the safety door switches cylinder design and physical structure of the safety interlock switches also increase security, preventing unauthorized personnel from entering the machine tool operation area, thereby ensuring the continuity and stability of production.
3. Emergency stop function: In emergency situations, such as equipment failure or operator danger, the interlock safety switch devices can also be used in conjunction with other safety devices (such as emergency stop buttons or safety sensors). Once the system detects a safety risk, it can immediately cut off the power supply to the equipment and achieve emergency shutdown to prevent accidents.
Factory packaging: 1 Safety Locking and 2 Keys accessories, cable
Lock material: PA66 flame retardant, metal
Outputs: 4 sets of gold plated contacts
Tensile strength when locked: locking force 1300N
Contact type: 14 contact combinations
Optional back unlocking function: indicator light+emergency unlocking
The safety door interlock with locking function can ensure that the safety protection device door and other protective covers remain in a safe state even if the dangerous state is not eliminated. High strength wear-resistant engineering plastic with built-in 304 stainless steel components. Forced mechanical interlocking self detection structure with extremely high reliability
Safety door locks are typically used in conjunction with safety relays and other safety devices to form a comprehensive safety protection system. This system ensures that the machine stops immediately if any safety condition is violated.
Detection switch and PLC control
The interlock switch is installed on the safety switches to detect the closing and locking status of the door. When the safety door is closed and locked, the detection machine safety switches send a signal to the PLC. After receiving the signal, the PLC allows the equipment to start and run. If the safety door is opened or unlocked, the detection switch will be disconnected. After the PLC detects the loss of the signal, it will immediately control the equipment to stop running to ensure the safety of the operator.
Relay control
In some systems, the signal of the safety door lock is transmitted to the control system through a relay. When the safety door is closed and locked, the relay coil is energized and its normally open contacts are closed, providing a path for the control circuit of the equipment and allowing the equipment to run. If the safety door is opened, the relay coil is de-energized, the normally open contacts are disconnected, and the control circuit of the equipment is cut off, so that the equipment stops running.
Take the OX-W2 series as an example. The safety door lock can be connected to a safety relay, such as the LS-A or Ter-A series, to form a high-level safety circuit. For example, the OX-W2-CO/CO-GD-J model can be connected to the LS-A safety relay. The wiring involves connecting the electromagnetic locking and mechanical unlocking components of the safety door lock to the relay.
When choosing an interlocking industrial door switches for a CNC machining center, there are several factors to consider:
1.Machine tool model and interlocking switches requirements: Different models of CNC machining centers have different safety interlock switches selection and application requirements. Therefore, when choosing industrial safety door switches, you need to select and apply it according to the actual situation.
2.Safety standards and specifications: The selection of safety door interlock switches must comply with relevant international and domestic safety standards and specifications to ensure the safety and legality of machine tool operations.
3.Reliability and stability: The reliability and stability of the safety door switch are one of the important factors in selection and application. When selecting a safety switch, it is necessary to evaluate and test safety locking devices to ensure that it can meet the stability and safety requirements of machine tool operation.
4.Maintenance and servicing: Interlock safety switches require regular maintenance and servicing to ensure their stability and reliability and extend their service life.
The application of interlock switch in CNC machining centers is of great significance. It not only provides safety protection and prevents accidents, but also improves the convenience of operation and the ability of emergency shutdown. Therefore, when selecting and applying safety interlock switch, it is necessary to fully consider factors such as machine tool model, safety standards and specifications, reliability and stability, and maintenance and care to ensure the safe operation of the CNC machining center.
