A bolted frame is one that is secured by a threaded pin or rod with a head at one end, and fastened by a mated nut that is tightened by applying torque. The benefits of using bolted frames are the reduced freight costs, the faster delivery for standard sizes, and the galvanized finish.
One of the drawbacks of these frames is the constant need to inspect. The bottom beams and post protectors cannot be used because of the bolted footpates. All the braces and footplates need to be bolted to the endframes. Since it is a diagonal only brace, the selections have less capacity and affect resistance. These incur high service costs.
The welded frames on the other hand can be seen slightly more advantageous. The metals are secured by applying heat, occasionally with pressure and sometimes with intermediate metal having a high melting point. This is due to the lower installation costs, the choice of colours, hot dipped galvanizing, and custom sizing option. The standard sizes are always in stock, and there is availability for higher capacity. Not only are the service costs lower, the re-sale value is higher. It has reinforced posts to impact resistance, both horizontal and diagonal braces, and accessible post protectors.
The disadvantages of using welded frames are the freight costs depending on the distance from the manufacturing plant.
The fully welded construction end frames provides maximum strength and stability in comparison to bolted frames. This can considerably reduce installation time and any liability concerns that follow. It can be seen in the MultiCam V-Series CNC Plasma.
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