In the past,
planing machines have had many applications in metalworking. However, these machine tools have been pushed aside by other processing methods such as milling. That is because of the comparative effectiveness against the working and idle-stroke characteristic of planing machines. The return-stroke prolongs the cycle time considerably compared to milling. But
planing machines still find application in specialised processing tasks. There are distinctions between long planing machines with a single or double-column design, short planing machines, fast planing machines and combined planing, milling and sanding machines.
- Different types: long, short, fast, and combined planers
- Simple machining of longer workpieces with a long planing machine
- Application in tool, machine, and bridge construction
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Long planing machines allow the excellent processing of workpieces which would be too long for a
milling machine. The tool of a short
planing machine carries out a straight, linear cutting motion. On a long planing machine, the workpiece is moved and the tool remains stationary. The tool skid carries out an oscillating motion so that the planed surface will not be damaged by the return stroke. A short planing machine for metalworking consists of a solid machine base with a clamping table. The clamping table carries out the step-over motion automatically. The tool is clamped in to a planer head. This is attached to a skid which carries out the forward motion of the tool in a straight line. VOLK Planing machine in use A long
planing machine functions differently. In both the single and double-column designs, the tool is clamped into the tool head. The workpiece lays on a large skid, allowing plenty of space for large workpieces. This skid carries out the lateral motion. The skid must be twice as long as the workpiece to accommodate the overflow and trim cut of the metal bit.
