CNC Precision Machined Parts
Business scope: CNC machining parts, screws and nuts machining parts, milling and turning composite machining.
Our main products
Non-standard micro-components, stainless steel components, medical equipment parts, lighting accessories, fasteners, connectors, instrumentation accessories, shaft bushings, fiber optic connectors, lc tail shanks, sc tail shanks, precision machinery parts, fiber optic communication accessories, screws and nuts, electronic product parts, copper, aluminium rivets and other civilian and military high standard high quality and cleanliness of more than 200 varieties of products, for customers to choose from. for customers to choose. In addition, we can also manufacture products according to customers' different requirements.
Order Process
CNC precision machined parts characteristics
Precision parts in the practical application is bound to be the higher the accuracy, the more delicate the more can reflect the level of processing and quality, generally,in the processing of CNC machining has incomparable advantages and features, the quality of its products will usually be higher.
1, first of all, CNC precision parts processing of higher productivity, CNC parts processing can simultaneously process multiple surfaces, compared to ordinary lathe processing can save a lot of processes, saving time, and CNC machining out of the quality of the parts relative to the ordinary lathe to be a lot more stable.
2, CNC precision parts processing in the development of new products has an irreplaceable role, generally speaking, through the programming can be different levels of complexity of the parts processing processing ah, and retrofitting and updating the design only need to change the program of the lathe, which can greatly shorten the product development cycle.
3, CNC precision parts processing of the degree of automation is very enough to greatly reduce the physical labour intensity of workers, workers in the processing process does not need to manipulate the whole process like ordinary lathes, mainly on the lathe for observation and supervision. But the corresponding CNC processing technology content than ordinary lathes to be high, so relatively ordinary lathes require a higher level of mental labour.
Which parts are suitable for precision machining?
First of all, compared with the ordinary lathe, CNC lathe has a constant line speed cutting function, no matter for the end face or different diameter of the outer circle can be processed with the same line speed, that is, to ensure the surface roughness value is consistent and relatively small. On the other hand, ordinary lathe is constant speed, and the cutting speed is different for different diameters. In the workpiece and tool materials, finishing allowances and tool angle must be the case, the surface roughness depends on the cutting speed and feed rate.
In the processing of surface roughness of different surfaces, the roughness of the surface of the choice of small feed speed, roughness of the surface of the choice of larger feed speed, variability is very good, this is difficult to do in the ordinary lathe. Complex contour shape parts. Any plane curve can be approximated by a straight line or arc, cnc precision machining with arc interpolation function, you can process a variety of complex contour parts. cnc precision machining of the use of good and bad need for the operator's careful use.
CNC precision machining mainly has fine turning, fine boring, fine milling, fine grinding and grinding processes:
fine car and fine boring: aircraft most of the precision light alloy (aluminium or magnesium alloy, etc.) parts more than this method of processing. Generally use natural single crystal diamond tools, blade radius less than 0.1 microns. In the high-precision lathe processing can be obtained 1 micron accuracy and average height difference of less than 0.2 microns of surface unevenness, coordinate accuracy of up to ± 2 microns.
(2) Fine milling: Used for machining aluminium or beryllium alloy structural parts with complex shapes. It relies on the accuracy of the machine's guideway and spindle to obtain high mutual positional accuracy. High-speed milling with carefully ground diamond tips results in precise mirror surfaces.
(3) Fine grinding: Used for machining shaft or hole parts. Most of these parts are made of hardened steel, which has a high degree of hardness. Most high-precision grinding machine spindles use hydrostatic or dynamic pressure liquid bearings to ensure high stability. The limiting accuracy of grinding is not only affected by the stiffness of the machine spindle and bed, but also by the selection and balance of the grinding wheel and the machining accuracy of the workpiece's centre hole. Precision grinding can obtain 1 micron dimensional accuracy and 0.5 micron out-of-roundness.
(4) Grinding: Using the principle of mutual research of mating parts to select and process the irregular raised parts on the machined surface. The diameter of the abrasive grain, cutting force and cutting heat can be precisely controlled, and thus it is the processing method to obtain the highest accuracy in the precision machining technology. Hydraulic or pneumatic fittings in precision servo parts of aircraft and bearing parts of dynamic gyro motors are processed in this way to achieve an accuracy of 0.1 or even 0.01 micron and a microscopic unevenness of 0.005 micron.
HT TOOL is a professional manufacturer of metal non-standard parts, ¢ 0.5-¢ 20mm stainless steel, titanium, aluminium and other metal precision parts manufacturing has been many years of technical precipitation.
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