CNC Machining Blog|PTJ Hardware, Inc.

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  • The difference between forging and rolling

    Rolling is a pressure processing method in which the metal blank passes through the gap (various shapes) of a pair of rotating rolls, and the material cross section is reduced by the compression of the rolls, and the length is increased. This is the most common production method for producing steel, and is mainly used for the production of steel. Production of profiles, plates, pipes.

    2019-11-16

  • Discussion on deep hole machining in cnc machining process

    Holes are important surfaces on boxes, brackets, sleeves, rings, and disc parts, and are often encountered in machining. When the machining accuracy and the surface roughness are the same, the machining of the hole is more difficult than the machining of the outer circular surface, and the productivity is low and the cost is high.

    2019-11-09

  • 5 ways to measure workpiece dimensional accuracy

    The trial cut method is repeated until the required dimensional accuracy is achieved by "trial cut-measure-adjust-retry cut". First, try to cut out a small part of the machined surface, measure the size of the test cut, adjust the position of the cutting edge of the tool relative to the workpiece according to the processing requirements, and then test and then measure, so after two or three trial cuts and measurements, when processed After the size is reached, the entire surface to be machined is cut.

    2019-11-16

  • Development trend of crankshaft manufacturing technology in the future

    The crankshaft is one of the key components of an automobile engine, and its performance directly affects the life of the vehicle. The crankshaft is subjected to large loads and changing bending moments and torques.

    2019-11-16

  • Enumerate Many Method Of Thread Cutting

    In actual machining, the thread types are generally: ordinary single thread, trapezoidal thread, special thread, profiled thread, etc.

    2019-11-09

  • Some Details To Be Noted In Machining Shaft Process

    Shafts are a common type of part that is a rotating body with a length that is generally larger than the diameter. It is widely used in various mechanical equipment to support transmission components, transmit torque and withstand loads. The processing of shaft parts must follow certain rules.

    2019-11-09

  • Relationship between dimensional & shape tolerances and surface roughness

    From the numerical relationship between size, shape and surface roughness, it is not difficult to see that the numerical relationship of the three should be coordinated and coordinated during design.

    2019-11-09

  • There are mainly several development directions in the future mold industry.

    Mold is the mother of industry, and the mold can make the product reach mass production, improve efficiency and reduce cost. It is an industry that cannot be eliminated. Especially in the era of rapid development of China's industrialization process, the mold industry is still a sunrise industry, and it is still an industry full of opportunities!

    2019-11-16

  • Detailed machining equipment and process knowledge

    This is a list of machining equipment and process knowledge worth collecting.Call us today to see how we can shorten your lead times.

    2019-11-16

  • Announce the list of the most expensive auto parts up to 2.3 million usd

    Leasing Options, a UK rental service, publishes a list of the most expensive car accessories that are built for Porsche, Ferrari and Rolls Royce.

    2019-11-02

  • What is the principle of hydraulic punching?

    The hydraulic press is currently the first fully automatic and intelligent servo electro-hydraulic compound press in the stamping equipment industry.

    2019-11-02

  • How to make stamping auto parts?

    As a mature material forming process, automotive stamping technology has been widely used in the automotive industry and has made great contributions to the development of the automotive industry.

    2019-11-30



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