CNC Machining Technical Application|The Blog|PTJ Hardware, Inc.

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  • 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

  • Several Notices for Bending Process of Hardware

    If the inner dimension of the folding material is smaller than the minimum one in the table above, the folding machine can not be processed in the normal way. At this time, the folding edge can be lengthened to the minimum one, and then trimmed after bending, or die processing can be considered.

    2019-03-02

  • Five Errors That Are Prone To Occur During Machining

    The size of the machining error reflects the level of machining accuracy. For mechanical machining plants, the first thing to do to ensure product quality is to control the errors in machining.

    2020-01-11

  • How Engineers Design Parts That Require Heat Treatment?

    As a mechanical design engineer, when designing parts that require heat treatment, it is necessary to eliminate the casting stress of the material and improve the cutting performance, rigidity and wear resistance of the part.

    2020-01-11

  • Classification And Structural Characteristics For Shearing Machine

    Shears belong to the category of straight-line shears, which are mainly used for cutting straight edges of metal plates of various sizes. With the development of China's manufacturing industry, the development of shearing machine tools has become a mainstay of the machinery manufacturing industry.

    2020-01-11

  • Difference Between Cylindrical Milling Cutter And End Milling Cutter

    Milling cutters are rotary tools with one or more teeth for milling. We are more commonly used to process planes on horizontal milling machines, 45-degree chamfered milling cutters, and the cutter teeth are distributed on the circumference of the milling cutter is a cylindrical milling cutter.

    2020-01-11

  • Detailed Marine Propeller Machining Process List

    The structure of marine propellers is relatively complicated. The difficulty of numerical control processing lies in the processing of complex curved surfaces, including blade surface, blade back, blade root fillet and hub surface.

    2019-12-21

  • The prospect of mould industry

    Our country is gradually moving towards a powerful country of mould making from the big country of mould production. As far as the domestic market is concerned, the production and demand of the mould industry are booming, the investment enthusiasm of the enterprises is rising, and the large technical renovation projects and new projects are constantly appearing.

    2019-03-04

  • What is dimensional chain

    There are two characteristics of the dimensional chain: closedness-each size of the dimensional chain constitutes a closed system in a certain order; correlation-one of the size changes will affect other size changes.

    2020-04-25

  • Skills Of Using U Drill On CNC Machine Tool

    Compared with the integral drill, the U-drill is a tool that performs hole machining by combining a center blade (inner edge) and an outer periphery blade (outer edge). This structure determines that the U-drill has an irreplaceable advantage over other drilling tools.

    2020-04-11

  • CNC Machine Coordinate System

    In the process of writing a CNC machining program, in order to determine the relative position of the tool and the workpiece, the movement path of the tool must be described through the machine tool reference point and the coordinate system.

    2020-04-11

  • Workpiece installation and its fixtures

    Direct mounting method The workpiece is directly placed on the machine table or general fixture (such as standard accessories such as three-jaw chuck, four-jaw chuck, flat-nose pliers, electromagnetic chuck, etc.), and sometimes it is clamped without finding another correct

    2020-04-11



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