Clean addition to linear brake familyMayr Power Transmission now offers an electromagnetic version of the ROBA-linearstop backlash-free linear brake series. This supplements the pneumatic or hydraulically releasing variants, which are already established on the market. Operating according to the fail-safe principle, the electromagnetic brake is closed in a de-energised state and therefore complies with the required safety aspects for all operating conditions, including emergency stops and power failures. It is used where compressors or aggregates for compressed air or oil hydraulics are not desired.
All versions of the ROBA-linearstop are fully-operative safety brakes and make it possible to reliably brake axes whilst in motion. They have an operating voltage of 230V AC. Due to the high forces, release of the brakes requires a high overexcitation voltage. A special fast-switching module applies 207V DC to the 52V coil of the brake. Specially designed for linear axes, the ROBA-linearstop provides backlash-free force transmission, and allows brake release without moving the axis.
The electromagnetic ROBA-linearstop safety brake is currently available in Sizes 40, 60 and 80, with holding forces of 2000, 6500 and 17,500N. The complete product family, in all actuation types, covers a holding force range of 450 to 40,000N.
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