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What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machining


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What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th

The Marten Properties Of Titanium

Low density and high specific strength

Metallic titanium has a density of 4.51 g / cm3, higher than aluminum and lower than steel, copper and nickel, but has the highest specific density of any metal.

Corrosion resistance

Titanium is a highly active metal with a low equilibrium potential and a high propensity for thermodynamic corrosion in the medium. However, titanium is actually very stable in many media. For example, titanium resists corrosion in the medium, including oxidation, neutral, and weak reducing properties. This is because the affinity between titanium and oxygen is large. In air or oxygen-containing media, a dense, strong and inert oxide film is formed on the surface of the titanium, protecting the titanium substrate from corrosion. Even if it wears mechanically, it will heal and regenerate immediately. This indicates that titanium is a metal with a strong tendency to passivate. Titanium oxide films below 315 ° C always maintain this property.

Surface treatment techniques such as oxidation, electroplating, plasma spraying, ion nitriding, ion implantation, and laser processing are being studied to improve the corrosion resistance of titanium. The titanium oxide film is for enhancing protection and obtaining desired corrosion resistance. Titanium-molybdenum, titanium-palladium, titanium-molybdenum-nickel and other corrosion-resistant titanium alloys are available for the production of metallic materials suitable for the production of sulfuric acid, hydrochloric acid, methylamine solutions, hot wet chlorine and hot chlorides. It is being developed.

A titanium-32-molybdenum alloy is used for the titanium casting. Titanium-0.3 molybdenum-0.8 nickel alloys are used in environments where crevice corrosion and pitting corrosion occur frequently. Titanium-0.2-palladium alloy was partially applied to titanium devices with good results.

  • Titanium casting
  • Good heat resistance
  • The new titanium alloy can be used for a long time above 600 ° C.

Cold resistance

Titanium alloys TA7 (Ti-5Al-2.5Sn), TC4 (Ti-6Al-4V), Ti-2.5Zr-1.5Mo and other low-temperature titanium alloys increase in strength as the temperature decreases, but their plasticity increases. Not very big. Maintains good ductility and toughness at -196-253 ° C and avoids low temperature brittleness. It is an ideal material for cryogenic containers and storage tanks.

Strong anti-dumping performance

Titanium metal is subject to mechanical and electrical vibrations and has the longest vibration damping time of its own compared to steel and copper metals. This characteristic of titanium can be used as a tuning fork, a vibrating element for a medical ultrasonic vibrator, and a diaphragm for an advanced speaker.

Tensile strength is close to its yield strength

This titanium property exhibits a high yield strength ratio (tensile strength / yield strength), indicating that the metallic titanium material has poor plastic deformation during the molding process. Since the ratio of the yield limit of titanium to the elastic modulus is large, the repulsive force of titanium during molding is large.

Good heat transfer performance

The thermal conductivity of metallic titanium is lower than that of carbon steel and copper,
However, due to the excellent corrosion resistance of titanium, the wall thickness can be significantly reduced and the heat exchange between the surface and the vapor is droplet condensation, which reduces the heat group. Since there is no scaling of the titanium surface, heat resistance is reduced and the heat transfer performance of titanium is greatly improved.

Low elastic modulus

The elastic modulus of titanium is 106.4 GPa at room temperature, which is 57% of that of steel.

Inhalation performance

Titanium is a highly chemically reactive metal that reacts with many elements and compounds at high temperatures. Inhalation of titanium mainly refers to the reaction with carbon, hydrogen, nitrogen and oxygen at high temperatures.

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