CNC Machining Blog|PTJ Hardware, Inc.

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  • Efficient 5-axis machining: It can produce 28 pcs non-standard parts at a time

    What is advantages for 5 axis machining?How does the advantage of the five-axis machine manifest? Here is an example of a Haas UMC-750P machine that processes 28 parts at the same time.

    2019-03-02

  • What are the specific requirements for ultra-high speed metal cutting?

    With the development of industry, various special engineering materials with high strength, high hardness, high temperature resistance and corrosion resistance are more and more used in metalworking industry.

    2019-03-02

  • PTJ character Introduction:David Lan

    David is a graduate of Shaoguan University with a bachelor’s degree in Business Administration. Prior to joining PTJ factory in January 2012, he was the Manager of zhilian, LLC in shenzhen, china from 2007-2011.

    2019-03-02

  • Advanced Connection Technology Of Steel-Aluminum Hybrid Body

    In order to ensure the structural rigidity and safety performance requirements of a Chinese car company, the X1 model adopts a steel-aluminum hybrid body structure mainly composed of lightweight aluminum alloy materials and supplemented by ultra-high-strength steel plates. The proportion of aluminum alloy in the vehicle reaches 88%.

    2021-10-16

  • The Relationship Between Machine Bearing Oil Gap And Working Environment

    Spindle bearing oil is a special lubricating oil for the spindle bearings of precision machine tools and similar equipment. It plays a very important role in ensuring the working accuracy and performance of the spindle and prolonging its service life.

    2021-10-16

  • How To Cut Trapezoidal Thread?

    In most factories, one or more people are responsible for adjusting the machine, and then a special person is responsible for operating the machine

    2020-04-11

  • Preparation Principle Of Anodized Aluminum

    Regarding anodization, the following will specifically explain the aspect of anodized aluminum, because it is in the knowledge system of anodization, so it cannot be omitted, and it needs a comprehensive and profound understanding.

    2019-12-14

  • Difference Between Anode And Chemical Oxidation

    Anodization, the knowledge and understanding of it, will continue to proceed because it is one of the website products, so it must be carried out, and it must not be sloppy and lax.

    2019-12-14

  • Method For Avoiding Gap Of Anodized Aluminum Alloy Due To Oxidation

    With the rapid development of technology, the development of the foundry industry has become faster and faster, and anodized aluminum alloys have also been fully utilized.

    2019-12-21

  • Aluminum Anodizing Sealing Process

    The aluminum oxide film is a porous film. Regardless of whether it is colored or not, it must be sealed before being put into use, so as to improve its corrosion resistance and weather resistance.

    2019-12-21

  • The Difference Between Anodizing And Conductive Oxidation

    In order to overcome the defects of aluminum alloy surface hardness, wear resistance, etc., expand the scope of application and extend the service life, surface treatment technology has become an indispensable part in the use of aluminum alloys, and anodizing technology is currently the most widely used and most successful of.

    2019-12-14

  • Three Factors Affecting SCC Stress Corrosion Of Aluminum Plates

    The chemical source of SCC is chloride. Chloride ion chemically interacts with the material at the crack tip. Since the tensile stress at the crack tip is the largest, it makes it easier for the crack to spread around.

    2019-12-14



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