Straight-line & Gang Rip Saws

A straight-line saw is a form of table saw that has one or more blades mounted on the motor itself. Unlike a standard table saw, the stock is fixed on a sliding surface, which is then moved either manually or automatically across the blades, producing a straight line cut. The surface must be moved back to the starting point between cuts.

• Point of Operation
  • Hazard: Rotating blades mounted on the motor produce a cutting hazard whether the machine is idle or in operation.
  • Potential Safeguards: Adding a self-adjusting guard around the blade will allow access only to the extent required by the stock. The moving surface should be designed so that it limits motion of the saw to the area of the work table, preventing contact with the worker. An automatic withdrawal device can be employed to ensure the stock returns to the start position between cuts.

• Nip Points
  • Hazard: The feed roll used to guide stock into the work area may contain in-running nip points.
  • Potential Safeguard: Installing a hood or other appropriate guard will eliminate the risk of the operator becoming caught in the feed roll parts.

• Kickbacks
  • Hazard: If the saw catches a piece of material during cutting, stock can be thrown back toward the operator.
  • Potential Safeguards: Following the manufacturer's recommendations for operation and maintenance will ensure a sharp blade and less of a chance for kickbacks. In addition, standing to the side of the machine while operating will put the operator out of the direct path of any flying stock. There are also tools such as anti-kickback fingers and spreaders that can be utilized for further protection.

• Flying Particles
  • Hazard: Any time a rotating saw blade is operating, it could fling scrap pieces, chips, or flakes of stock into the air.
  • Potential Safeguards: Regular maintenance is key to ensure a sharp blade, and every worker should wear proper eye and face protection.

To learn more about Machine Guarding visit our Machine Guarding Safety Online Training web page.