(1) Type of lathe
There are many types of lathes. According to the statistics of a mechanical processing technician's manual, there are 77 kinds of typical types: instrument lathes, single-axis automatic lathes, multi-axis automatic or semi-automatic lathes, return wheels or turret lathes. Crankshaft and camshaft lathes, vertical lathes, floor and horizontal lathes, profiling and multi-tool carts, axle roll and shovel lathes, etc., which are divided into many small categories, the number is different, and Vertical lathes and horizontal lathes are commonly used in our machinery industry, and these two types of lathes can be seen in almost all machined areas. cnc machining part
(2) Scope of processing of lathe
We mainly choose several typical lathe types to introduce the scope of processing. aluminum part
A, horizontal lathe, can be used for turning inner and outer cylindrical surface, conical surface, forming rotary surface and annular groove, turning section and various threads, can be drilled, reamed, reamed, tapped, threaded and knurled Processing of other processes. Although the average horizontal lathe has a low degree of automation and a large amount of auxiliary time during the machining process, this type of machine tool has been widely used and popularized in the machining industry because of its wide processing range and good general performance. It is one of the representative processing equipments of our machinery industry and one of the indispensable processing equipments in the machining industry. stainless steel part
B. Vertical lathe, suitable for processing all kinds of frame and shell parts, also suitable for processing inner and outer cylindrical surfaces, conical surfaces, end faces, grooves, cutting and drilling, expanding and reaming of various parts. Processing, such as threading, end face, profiling, milling and grinding, can be realized by means of additional devices.
(3) Machining accuracy of lathe
A. The machining precision of the usual horizontal lathe is as follows:
Roundness: 0.015 mm; Cylindricity: 0.02/150 mm; Flatness: 0.02/¢150 mm; Surface roughness: 1.6 Ra/μm.
B. The machining precision of the vertical lathe is as follows:
Roundness: 0.02 mm; cylindricity: 0.01 mm; flatness 0.03 mm.
The above processing accuracy is only a relative reference value, and does not mean that all lathes are in compliance. Many lathe equipments have a certain amount of up and down fluctuation according to the specific requirements of the manufacturer and the specific conditions of the assembly, but no matter how large the floating amount is, the processing is The accuracy value must meet the requirements of the national standard for such equipment. If the processing accuracy requirements of the equipment are not up to the national standard when purchasing the equipment, the purchaser has the right to refuse acceptance and payment.
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Post time: Jul-20-2019