1. The document discusses precision machining processes for manufacturing precision mechanical components. It describes three main methods for machining profiled cross-section parts: direct forming, cutting motion synthesis, and special processing methods. Cutting motion synthesis methods like milling, turning, and grinding are most commonly used for complex shapes. 2. For lathe machining of profiled precision cross-section parts, the document outlines three main methods: mechanical motion synthesis to achieve turning trajectories, shape-imitating processing using cam control of the tool, and CNC turning. CNC turning has the highest efficiency and precision and can automatically machine various shapes just by adjusting the CNC program.

1. Precision Components Machining and Processing
1. Precision Components Machining and ProcessingOverview of Precision Components
MachiningIn the manufacturing process of precision mechanical components, under the
condition ofensuring the quality of the precision parts, the course to develop a process plan
withcomprehensive technical and economic benefits, reasonable and feasible process is
referredto the process design of components. Production process: a product has to go through
aseries of manufacturing processes from the design drawings into products. Usually, theprocess
that from the raw materials or semi-finished products to the finished products iscalled the entire
production processing, and every process is consisted of parts machiningprocess, a combination
of many processes, and installation. And all the Accurate MetalFabricators of each step are very
familiar with the machining techniques.Processing Characteristics of Precision PartsUsually, there
are three ways to process the profiled section parts: First, direct formingmethod, such as casting,
forging and stamping; Second, cutting motion synthesis method,such as cars, milling, planing,
grinding, etc.; Third, the special processing method, such aswire cutting, EDM , laser machining,
etc.; Among them, the direct molding method is the mainmolding method of the profiled section
parts moulding, but because of its lowermanufacturing accuracy, and the surface roughness value
is large, it cannot meet therequirements of the finishing of the profiled section parts. So special
processing methodcannot be widely processed due to low efficiency, high cost and complex axial
cross-sectional shape of a non-circular cross-section parts and it has limited application.
Lathing,milling, planning and grinding are the most common sports synthetic cutting methods
thatthey can process a variety of parts of complex shapes. In these methods, milling and
planingare still difficult to obtain high machining accuracy. Grinding is a common precision
metalproduction and processing method for Precision Components, and it has higher
productionefficiency.Lathe Machining of Profiled Precision-section Parts
2. The method of lathe machining of profiled precision-section parts are mainly: the
mechanicalmotion synthesis method, namely through the multi-directional movement of the
bodies toachieve turning trajectory of the profiled section; shape-imitating processing method,
namelyto use the relative motion of the cam control turning tool and the workpiece track to form
thedesired shape of the workpiece; CNC turning method, CNC lathe uses the programinstructions
to control the machine, and the machine automatically complete the process.Among them, CNC
turning method has the highest production efficiency and precision, stablequality, and has a wide
range of processing, and it can be used for various shaped cross-section parts automatically
turning. When the processing objects change, you just need toadjust the CNC program then you
can complete the processing operations, it is particularlysuitable for automated production of
small quantities.This article come from:www.halopart.com