Mechatronic Products Automatic Tool Change System Swivel Joint Gyro Joint Gyro Change Sensors   HOME > Products > Mechatronic Products and Sensors > Mechatronic Products > Automatic Tool Change System > Fall Prevention System The NITTA Tool Changer is fitted internally with springs, and designed so that if the air supply is interrupted by any chance, the coupling cam operates on the chuck side (failsafe mechanism). Under normal use, therefore, there is no chance of the tool changer falling and unchucking. However, if any of the situations listed in the applications below occurs unexpectedly during coupling, it is possible that tools may fall and become unchucked. This product is an optional extra designed to prevent falling and unchucking under such unforeseen conditions.   Features and benefits: - Prevents falling and unchucking due to operational errors using a simple valve mechanism - Easy to install on existing ATS systems Typical applications: Prevention of falling/unchucking due to operational errors and malfunctions like those below - Incorrect manual switching of solenoid valve - Solenoid valve malfunctions - Wrong unchucking instruction from a teach-pendant - Residual air pressure due to tube breakage or blockage Fall Prevention System Specifications: Product code CAR - 006 - ＊＊ Dimensional outline (excluding fittings) 64 × 70 × 73 mm Main body material Aluminum alloy Weight 0.98 kg (9.6 N) Working fluid Air Air pressure of working 0 to 0.99 MPa (0 to 9.9 kgf/mm²) Port diameter (nominal) Rc (PT) 1 / 8 (6 A) Product components Fall prevention mechanical valve ASSY Bracket for mechanical valve Adaptor plate for installation DOG for checking unchucking position - For details on adoption of the drop prevention system and detailed specifications, please inquire with our sales office. We strongly recommend the use of this product to ensure safe operation of the NITTA Tool Changer. - If this system cannot be used for structural reasons, we can offer an alternative fall prevention systems (gun stand system). * Brochure and instruction manual files are available in Portable Document Format (PDF). If your browser does not read Acrobat's PDF files, the Acrobat Reader is free to download here.