An Introduction to CNC Turning Parts, Milling Parts

The Characteristics of CNC Turning Parts

The production of CNC turning parts is by using related tools on a lathe to carry out the cutting and grinding of industrial parts. It is a basic and common cutting method with a wide range of applications including the machining of the inner and outer surfaces of a cylinder of a cone.

Because of the faster and faster development of modern CNC machining parts technologies, various engineering materials with high strength and high hardness have wider and wider applications. Traditional cutting technologies are not enough anymore. The appearance of modern CNC turning makes it possible to meet such new requirements and the modern CNC turning has been proven to be obviously rewarding and effective during production. It has a lot of characteristics of the CNC machining process. The following is a brief introduction.

YIJIN Hardware CNC Turning Lathe

A Brief Introduction to the Characteristics of the CNC Turning

(1) The CNC turning parts have higher working efficiency.

Turning has higher efficiency with a higher cutting speed. During CNC machining, multiple surfaces can be treated by CNC turning once, but grinding needs multiple times installation. Therefore, it has a shorter CNC machining time and higher machining precision.

(2) The investment in equipment, as well as the cost of the auxiliary system, is low. Compared with large batch machining and production, turning does not need any special equipment for small batch production, so a lot of expenses can be saved to some extent. It has a higher cost performance.

(3) CNC turning allows the CNC machined parts to have more significant overall machining precision and effect.

During CNC turning, a large proportion of heat can be dissipated to reduce the temperature, while burns and cracks occur on the surface during grinding. This machining effect of high quality and durability guarantees high precision at the engagement cnc precision machining part between surfaces.

Cutter Materials for CNC Turning and How to Select

(1) Alloy cutter with coating

The alloy cutter with hard coating usually has the following two functions: It has relatively very low heat conduction, reducing the heat from the cutter. It is able to effectively control the harmful effects due to friction and adhesion that appear in the process and also reduce the generation of cutting heat to some extent.

(2) Ceramic cutter

The ceramic cutter has very high hardness and strength. It demonstrates high durability and high speed during normal operation for production, especially applicable to the precision cnc machining of materials with high hardness.

The Selection of Cutting Oil and How to Use

(1) The steel cutter of a tool type does not have good heat resistance and loses certain hardness at high temperatures, so the cutting oil with good cooling as well as low viscosity and low fluidity is required.

(2) A hard alloy cutter has a high melting point and high hardness with excellent chemical stability and thermal stability, so the cutting oil with a certain activity can also be used during ordinary machining. If the cutting degree and the cutting temperature are both high, the cutter tends to wear easily. This is where you should select cutting oil without activity and increase its flow to ensure sufficient cooling and lubricating effects.

Do not ever underestimate the machining technologies and procedures for CNC turning parts. There are a lot of merits worth our attention during this kind of machining. Among others, lots of useful skills also allow us to be more familiar with, understand, and even master the machining of CNC turning parts, so that more accurate and efficient utilization can be achieved.

What Parts Does a CNC Milling Parts Manufacturer Produce?

Generally, a CNC milling parts manufacturer produces two types of parts: flat surface parts and curved surface parts. The parts for milling are usually rough machining parts because this is the initial stage of machining. However, CNC milling is actually in the machining model of full automation. So during CNC milling, what operation standards need to be followed for machining parts and what should we pay attention to?

Traditional milling is conducted manually by the technicians who need to learn milling lathe technologies, while CNC milling is one of the CNC technologies involving CNC programming. Therefore, the operation standards for the process of CNC milling are about focusing on the technologies of CNC programming without mistakes or disorder. The parts by CNC milling are actually instruments with high precision, so such a CNC milling cutter is not cheap. Sometimes even a tiny program mistake can lead to the loss of the cutter, so the CNC program for CNC milling must be mistake-free, or an accident could occur and the CNC instrument is damaged.

CNC milling parts manufactured by YIJIN Hardware

When CNC milling is operated for custom cnc machining parts, it is better to avoid any mistakes in programming, and there are other aspects needing attention such as the operation standards. For example, when an irregular custom cnc machining part is machined, it is better to try to place it in the central position for even stress during CNC milling, because the cutter works on its surfaces. Otherwise, an accident could occur because of instrument damage due to uneven stress.

The technicians in an ordinary CNC milling parts manufacturer have been well-trained professionals, with no problem following operation standards. There is a lot to pay attention to about the operation standards. Although CNC milling is a technical precision cnc machining process, a series of inspections must be carried out during CNC milling, covering the appearance of the CNC machine. CNC milling itself follows a curtain rail to mill parts based on the program, so the milling rail and the cylinder unit in the machine need to be checked for oil leakage before milling. Oil leakage would lead to the situation of milling until loosening.  Besides, there must be scrap iron due to custom machined parts machining during milling, so the scrap iron needs to be well clear before milling.

In addition to operation standards, a CNC milling parts manufacturer generally has certain requirements for the cutter used to cnc turning machine parts. The cutter used to machine flat surface CNC parts is different from that used to machine curved surface parts. Usually, a vertical milling cutter is used to machine flat surface CNC parts with certain requirements of the cutter body material. Different materials to be machined require different cutter body materials. A hard alloy blade is used to machine common flat surface CNC parts. A ball head cutter is used for the machining of curved surface parts.  However, as far as use efficiency is concerned, the cutter for flat surface CNC machining is usually better than that for curve surface machining. Therefore, the former is preferred. CNC technologies can also be used to machine irregular workpieces, for which a combination of various cutters is preferred.

What is the Process of Custom CNC Machining Parts with A CNC Machine Tool?

CNC machining is a set of completed technologies because digital technologies are used for CNC machining parts in the whole process and the machine is completely controlled by digital programming to work on some parts. CNC machining technologies can avoid a lot of disadvantages of manual part machining. Besides, parts are machined by a digital lathe in the whole process, with higher precision and shorter time consumption. So how do a CNC machining parts manufacturer manufacture parts? How to use CNC technologies for part machining?

Using CNC technologies for CNC part machining is both easy and difficult, depending on CNC part programming for machine tool control. How a machine tool controls the CNC cutter for part cutting requires simple programming for the machine tool, and you can use this program to rapidly control the machine tool to manufacture a lot of uniform parts with high precision. What is the process of custom CNC machining parts with a CNC machine tool?

CNC Machining process

A CNC machining parts manufacturer has a scheme for CNC machining. To learn how to use a CNC machine tool for programmed CNC machining, first of all, understand its operating principle. The operating principle of a CNC machine tool is like cutting a complete object by using a point in a 3D space. This object is the part that you need, and the machine tool’s cuter is the point. The CNC cutter cuts the whole precision cnc machining part unlimitedly until it becomes what you need. The 3D space where the point is positioned needs to have several coordinate axes, x, y, and z, which are used for simple programming.  Controlled by the program, the CNC cutter moves along the programmed route. It is easy to understand this CNC programming. It is kind of like the three-view diagram that you have learned at school, but to image this three-view diagram into a space diagram, the digital program needs to be more complicated. Connection points of the coordinate view need to be marked specifically on the three coordinate axes. Start the machine tool. When the machine tool starts to operate, the CNC cutters in the machine tool cooperate to machine the original workpiece until manufacturing the part that you need. The technical principle of CNC machining parts is generally the above.

A lot of actual practice is also required for CNC technologies, and there are certain requirements to operate the CNC machine tool. Wrong programming will lead to damage to the CNC cutter.  Hence, when operating a machine tool, you must be familiar with its programming mode and follow the operation standards, so as to avoid damage to the machine tool due to nonstandard operations. Besides, during digital programming, a CNC cutter is very important for the CNC machine tool, because CNC technologies are about using the machine tool to control the CNC cutter for machining. In order not to damage the CNC cutter, try to avoid misoperations that are harmful to the machine tool.

A CNC machining parts manufacturer has high requirements for CNC machine tools. Machine tool programming is used by CNC machining to manufacture parts, so using a good machine tool can manufacture a lot of corresponding parts. The CNC machine tool has a wide range of applications. A lot of industrial parts are manufactured by the use of CNC machine tools, and currently, the CNC machine tools can be divided into two types: the one with manual CNC programming and the one with automatic CNC programming.

 

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