Vertical machining center refers to the machining center whose main shaft is vertical. Its structural form is mostly fixed column, and the worktable is rectangular. Generally, ordinary models have no indexing rotation function, which is suitable for machining disc, sleeve and plate parts. It generally has three linear motion coordinate axes, and its X, y and Z axis servo is directly controlled. It is a semi closed-loop vertical machining center with large guide rail load It has the advantages of wide span, high precision, compact and reasonable structure and overall dimensions. The main shaft is driven by servo motor through synchronous belt, which can realize the one-time clamping of various disc, plate, shell, cam, mold and other complex parts, and can complete the processing of drilling, milling, boring, expanding, reaming, rigid tapping and other processes. It is suitable for the production of multi variety, medium and small batch products, and can meet the requirements of complex Machining of high precision parts. And a rotary table rotating along the horizontal axis can be installed on the workbench, which is often called the fourth rotating shaft, so as to meet the processing requirements of special parts and the processing of spiral parts.
The vertical machining center has the advantages of convenient clamping, easy operation, easy observation of machining conditions and easier debugging program, so it is widely used. However, this type of machine is limited by the height of the column and the tool change device, so it can not process too high parts. When processing the cavity or concave surface, the chip is not easy to discharge, which will damage the tool and the machined surface in serious cases, affecting the smooth progress of processing. It can be solved by installing automatic chip conveyor and oil cooler.