What materials are there for CNC machining in the future workshop?

CNC is also called computer gong, CNCCH or CNC machine tool. It is actually a name in Hong Kong. Later, it was introduced to the Pearl River Delta in mainland China. One type of machining is a new type of machining technology. The main job is to compile a machining program, that is, to convert the original manual work into computer programming. Of course, manual processing experience is required.

The advantages of CNC machining

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1. The number of tooling is greatly reduced, and complex tooling is not required for machining parts with complex shapes. If you want to change the shape and size of the part, you only need to modify the part processing program, which is suitable for new product development and modification.

2. The machining quality is stable, the machining accuracy is high, the repeatability is high, and it is suitable for the machining requirements of aircraft.

3. The production efficiency is higher in the case of multi-variety and small batch production, which can reduce the time for production preparation, machine tool adjustment and process inspection. The cutting amount reduces the cutting time.

4. It can process complex profiles that are difficult to process by conventional methods, and even process some unobservable processing parts.

5. The disadvantage of CNC machining is that the cost of machine tools is expensive, and maintenance personnel are required to have a high level.

In addition to providing users with 3D printing services, the future workshop can also provide services such as mold opening and injection molding, silicone molding, and CNC processing. The main materials are as follows:

Aluminum alloy 6061

6061 aluminum alloy is heat treated Although the strength of the high-quality aluminum alloy products produced by the pre-stretching process cannot be compared with those of the 2XXX series or 7XXX series, its magnesium and silicon alloys have many characteristics.

Material advantages:

Excellent processing performance, excellent welding characteristics and electroplating properties , Good corrosion resistance, high toughness and no deformation after processing, dense material without defects and easy to polish, easy to color film, excellent oxidation effect and other excellent characteristics.

7075 aluminum alloy

7075 aluminum alloy is a cold-treated forged alloy with high strength, far better than mild steel. 7075 is one of the commercially available Z-strength alloys.

Material advantages:

Ordinary corrosion resistance, good mechanical properties and anodic reaction. The finer grains provide better deep drilling performance, enhanced tool wear resistance and differentiated thread rolling.

Copper

Pure copper (also known as copper) is an excellent The conductive ductile metal surface is rose red. It is not pure copper, it contains 99.9% copper, and some other elements are added to improve the surface and performance.

Material advantages:

It has good electrical conductivity, thermal conductivity, ductility, deep drawing properties and corrosion resistance.

The electrical and thermal conductivity of copper is second only to that of silver, and it is widely used in the manufacture of electrical and thermal conductivity equipment. Copper has good corrosion resistance in the atmosphere, seawater and some non-oxidizing acids (hydrochloric acid, dilute sulfuric acid), alkali, salt solution and various organic acids (acetic acid, citric acid), and is used in the chemical industry.

It has good weldability and can be processed into various semi-finished products and finished products by cold and thermoplastic processing. In the 1970s, the output of red copper exceeded the total output of other types of copper alloys.

Brass

Brass is a copper-zinc alloy, a yellow Copper is called ordinary brass.

Material advantages:

It has high strength, high hardness and strong chemical resistance. There are also outstanding mechanical properties of cutting.

Brass has strong wear resistance. Special brass is also called special brass, which has high strength, high hardness and strong chemical corrosion resistance. There are also outstanding mechanical properties of cutting. The seamless copper tube drawn from brass is soft and wear-resistant.

45 steel

45 steel is the name in GB, also called 'oil' Steel

Material advantages:

High strength and good machinability, After proper heat treatment, certain toughness, plasticity and wear resistance can be obtained, and the material source is convenient, which is suitable for hydrogen welding and argon arc welding.

Introduction of 40Cr steel

40Cr is the standard steel grade of China GB, and 40Cr steel is mechanical Manufacturing uses one of the most widely used steels.

Material advantages:

It has good comprehensive mechanical properties, good low temperature impact toughness and Low notch sensitivity. The hardenability of the steel is good. In addition to the quenching and tempering treatment, the steel is also suitable for cyanidation and high-frequency quenching treatment. Good cutting performance.

Q235 steel introduction

Q235 steel is a kind of carbon structural steel. The Q in represents the yield strength. Normally, the steel is used directly without heat treatment.

Material advantages:

The yield value of the material increases with the thickness Due to the moderate carbon content, the comprehensive performance is good, and the strength, plasticity and welding properties are well matched, and the use is most extensive.

SUS304 steel

SUS304 refers to 304 stainless steel, which has good processing performance and high toughness specialty.

Material advantages:

Good corrosion resistance, heat resistance, corrosion resistance , Low temperature strength and mechanical properties, good hot workability such as stamping and bending, no heat treatment hardening phenomenon, no magnetism.

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