The Joen Lih 3A Series Automatic Surface Grinder is designed for boosting your grinding efficiency. With the 3A Series, you get reduced cycle times and production costs. The table longitudinal travel is driven by a hydraulic system, providing variable feed speed from 3 to 25mm/min. The table cross travel is driven by motor and vailable with micrometric feed. The grinding head down feed is driven by a motor. Upon request, micrometric down feed is available.