Connect busbars such as inverters, motors, and batteries with zero bolts!
Busbars are required for connecting critical internal components, including inverters and motors, within high-voltage powertrain assemblies. Stäubli's ZeroBolt busbar connection is designed to address issues associated with traditional bolt connections, leveraging extensive experience in electrical contact technology. They incorporate Stäubli's unique MULTILAM technology, enabling high current capacity while compensating for thermal expansion and vibration resistance. The flexibility of the ZeroBolt plug-in design streamlines manufacturing and significantly reduces costs and risks compared to traditional bolt connections. It achieves connections for high currents due to very low contact resistance, automates the assembly of busbar connections through blind mating, reduces space by accommodating compact high currents and eliminating bolts, decreases the number of components, eliminates torque management for bolt tightening, and reduces the risk of bolt loosening due to vibration and thermal expansion.
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basic information
Busbars can be freely designed according to your requirements, including shape, size, material, required current, and connections with the base and cables. High current capacity Achieves very low contact resistance, long-term reliable contact systems, and space-saving compact dimensions with proven MULTILAM contact technology. High correction capability ZeroBolt allows for tolerance correction in up to three directions, achieving optimal performance across a wide power range and excellent performance even during thermal expansion. Compact design Features high current capacity plug connections in small spaces. This eliminates the need for bolts and reduces space constraints from tool operations. No welding or fixing required ZeroBolt connections eliminate the need for torque management of bolted busbars. This results in no initial costs (CAPEX) and a simpler installation process (lower operating costs (OPEX)), reducing costs and cycle times while also supporting automated assembly. There are no quality variations based on torque-related issues. There is no risk of bolt loosening over long periods due to vibration or thermal expansion.
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Applications/Examples of results
Bus bar connection between the inverter and motor of the electric vehicle's electric compressor. Bus bar connection of the inverter, motor, and battery within the high-voltage powertrain assembly.
Detailed information
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Battery interconnection busbar connection
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Bus bar connection between inverter and motor.
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Bus bar connection between the compressor motor and the inverter.
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Company information
Stäubli has four business divisions: electrical connectors, fluid connectors, industrial robots, and textile machinery. Based on our exceptional expertise and years of accumulated know-how, we provide mechatronics solutions to various industrial sectors. Founded in 1892 as a small textile machinery repair shop near Zurich, Switzerland, Stäubli has grown into a global company operating in 28 countries and having sales partners/agents in 50 countries across four continents. In 1983, Stäubli Corporation was established in Osaka as a unit for business in Japan.
