Machine Screwed Up (And Down)!
Screw jacks are just one member of the linear motion family, more suitable for relatively low-duty cycles. A customer had a problem we had to troubleshoot that highlighted what not to do. There are two common types of screw jacks. The first type of screw jack is the ball screw jack. They have recirculating balls in the threads that reduce friction, allowing for higher-duty cycles than the other type. The second type is the machine, or acme thread, screw jack that has a sliding action similar to a nut and bolt. This limits the [...]