Semi-automatic Double Column Band Sawing Machine 1. Blade tension: Manual control 2. Blade speed adjustment: Belt gear shift Semi-automatic Double Column Band Sawing ... 1.5M in length, Roller feeding; Electric feeding(optional)3,Machine 3.1 Weight: About 1750kg / 1950kg / 2150kg 3.2 ... makes cutting more stable. 6,Safety device: A. The machine cannot startup if the material hasn’t clamped the blade ...