The main classification of lathes

2019-12-13 09:54

The main classification of lathes

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1. ordinary lathe

The processing object is wide, and the adjustment range of the spindle speed and feed amount is large, which can process the inner and outer surfaces, end faces and internal and external threads of the workpiece. This lathe is mainly operated manually by workers, which has low production efficiency and is suitable for single-piece, small-batch production and repair workshops.

2.Turret lathe and rotary lathe

It has a turret tool holder or a return tool holder capable of holding multiple tools, and workers can use different tools to complete a variety of procedures in a single clamping of the workpiece, which is suitable for batch production.

3.Automatic lathe

It can automatically complete the multi-step processing of small and medium-sized workpieces according to a certain program, can automatically load and unload, and repeatedly process a batch of the same workpiece, which is suitable for large-scale and mass production.

4.Multi-tool semi-automatic lathe

There are single-axis, multi-axis, horizontal and vertical. The single-axis horizontal layout is similar to that of ordinary lathes, but the two sets of tool holders are installed at the front, back, or top of the spindle, respectively, for machining discs, rings, and shafts. The productivity is 3 to 5 times higher than that of ordinary lathes.

5. Copying lathe

It can imitate the shape and size of the template or sample and automatically complete the processing cycle of the workpiece. It is suitable for small batch and batch production of more complex workpieces. The productivity is 10-15 times higher than that of ordinary lathes. There are multi-tool post, multi-axis, chuck, vertical and other types.

6.Vertical Lathe

The main axis is perpendicular to the horizontal plane, the workpiece is clamped on a horizontal rotary table, and the tool holder is moved on the beam or column. It is suitable for processing large, heavy, and difficult to install workpieces on ordinary lathes. It is divided into single and double columns.

7. Shovel Lathe

While turning, the tool holder periodically reciprocates in a radial direction and is used for forming tooth surfaces of forklift milling cutters, hobs, and the like. Usually a small grinding wheel with a shovel attachment, which is driven by a separate electric motor, grinds the tooth surface.

8. Specialized lathe

Lathes that process specific surfaces of certain types of workpieces, such as crank lathes, camshaft lathes, wheel lathes, axle lathes, roll lathes, and ingot lathes.

9. Combined lathe

It is mainly used for turning processing, but it can also perform boring, milling, drilling, insertion, and grinding after adding some special components and accessories. It has the characteristics of "one machine and multiple functions" and is suitable for engineering vehicles, ships or mobile repair stations. Repair work.

10. CNC lathe

NC machine tool is a kind of mechatronics processing equipment that controls the machine tool to perform automatic processing according to a given motion trajectory through digital information. After half a century of development, NC machine tools have been one of the important signs of modern manufacturing. In China's manufacturing industry, the application of CNC machine tools is becoming more and more extensive, which is a reflection of the comprehensive strength of an enterprise. NC lathe is the abbreviation of digital program control lathe. It combines the features of a universal lathe with good versatility, a precision lathe with high machining accuracy, and a special lathe with high machining efficiency. A numerically controlled machine tool.

11. Saddle lathe

The left end of the saddle lathe at the headstock is sunken and can accommodate large diameter parts. The shape of the lathe is high at two heads, low at the middle, and looks like a saddle, so it is called a saddle lathe. Saddle lathes are suitable for machining large radial dimensions and small axial dimensions. They are suitable for turning workpieces with outer circles, inner holes, end faces, grooving and metric, inch, modular, warp threads, and drilling and boring , Reaming and other processes, especially suitable for single-piece, batch production enterprises. The saddle lathe can process larger diameter workpieces in the saddle groove. The guide rails of the machine tool are hardened and finely ground for easy and reliable operation. The lathe has the characteristics of high power, high speed, strong rigidity, high precision, low noise and so on.

12.Instrument lathe

Instrument lathes are simple horizontal lathes. Generally speaking, machine tools with a maximum workpiece diameter below 250mm are mostly instrument lathes. Instrument lathes are divided into ordinary type, hexagonal type and finishing type. This lathe is mainly operated manually by workers and is suitable for mass production of single pieces and simple parts.

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