PPCE “Matrix”
Coordinate boring work

Boring machines are the group of metal-cutting machine tools, which is designed for blanks processing of large sizes in individual and batch production.
These machines can be used for boring, drilling, reaming, tapping of internal and external threads, turning of cylindrical surfaces, endstrimming, cylindrical and face milling. Sometimes on boring machines it is possible to make the final processing of the blank of the body part without changing to other machines.
A distinctive feature of boring machines is the presence of a horizontal (or vertical) spindle, щn the Matrix enterprise it is mainly used the equipment with a vertical spindle of the axial feeder that moves. A cutting tool is fixed in the spindle hole - boring bar with incisors, drill, countersink, reamer, milling cutter, etc.
The movements that allow the spindle to be set to the predetermined position and the feed movements are unitewith various boring machine nodes, depending on the purpose, arrangement, dimensions of the machine, and the nature of the operation.
Coordinate-boring machines are designed for machining holes with high accuracy of relative position concerning to the base surfaces in body parts, conductor plates, dies in single and small-scale production.
Almost all operations specificfor boring machines are performed on machines of this type. In addition, on coordinate boring machines it is also possible to make marking operations. To accurately measure the coordinate movements, the machines are equipped with various inductive, mechanical, optic-mechanical and electronic reference devices, that allow to measure the movements of mobile nodes with high accuracy.
The machines are equipped with universal rotary tables, which make it possible to process holes in the polar coordinate system and inclined holes. By arrangement, the machines can be single-column and two-column.
The main movement is the rotation of the spindle, and the main feed motion is the vertical movement of the spindle.
Installation movements in single-column machines is a longitudinal and transverse movement of the table to specified coordinates and vertical movement of the spindle head depending on the height of the workpiece. In two-column machine tools - this is the longitudinal movement of the table, the transverse movement of the spindle head on the traverse and the vertical movement of the traverse with the spindle head.

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