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What are the advantages of CNC machining of radiator parts?

For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The

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

Investment Casting Materials and Manufacturing Process

Mold material The performance of the molding material should not only ensure the convenient production of investment molds with accurate dimensions and high surface finish, good strength and light weight, but also create conditions for the manufacture of mold shells and good castings. Molding materials are generally formulated with waxes, natural resins and plastics (synthetic resins). All mold materials mainly prepared with wax materials are called wax-based mold materials, and their melting point is low, 60~70 ° C; all mold materials mainly prepared with natural resins are called resin-based mold materials, with a slightly higher melting point, about 70 °C. ~120℃. invest-casting.com   Precision Investment Castings China prototype company service include :  High Quality Investment Casting Parts Custom , Lost Wax Investment Casting Sand Casting , Lost Foam Casting , Gravity Casting , Die Casting , Graphite Casting , Casting Moldsmanufacturers . Manufacture of Folding Investments In t

Stainless steel tapping method

Tapping stainless steel is much more difficult than tapping regular steel. Often, due to the large torque, the screw tap is “bitten” into the screw hole, collapses or breaks, and the thread surface is not light. The groove has a groove, the size is out of tolerance, and the chaos and taps are badly worn. Therefore, corresponding technical measures must be taken to solve the problem of machining stainless steel threads.

1. When tapping a stainless steel thread.

The phenomenon of “tooth enlargement” is more serious, and the tap is “easy to bite” into the hole, so the hole at the bottom of the thread must be properly enlarged. In general, the diameter of the bottom hole of a screw with a pitch less than 1 mm is equal to the nominal diameter minus the pitch. If the pitch is greater than 1 mm, the diameter of the hole at the bottom of the thread is equal to the nominal diameter minus 1.1 times the pitch.

2. Choosing the right tap and the right amount of cut is the key to tap quality.

The tap material should be selected from cobalt or aluminum carbide high speed steel. The main deviation angle is related to the pitch and the number of tap handles. Head cone Kr = 5-7, 2nd and 3rd cone Kr = 10-20. Calibration parts are typically 3-4 thread lengths and are 0.05-0.1 mm / 100 mm inverted cones. Generally, the direction of the tip holder is b = 8 to 15, which allows you to control the direction of the tip flow. For straight groove taps, the front edge of the tap can be ground into a spiral shape.The rake angle of the tap is generally gp = 15 ° to 20 ° and the back angle is 8 ° to 12 °.

3. You can tap stainless steel using tapless tap.

See Figure 7. The diameter of the bottom hole before extruding with a slotless tap is as follows.
d0 = dw-(0.5-0.6) P
Here, dw——work screw outer diameter, mm.
P-pitch.

4. When tapping stainless steel, make sure you have enough cooling lubricant.

Sulfate oil is usually selected from + 15% to 20% CCl4. White lead oil + engine oil or other mineral oil; kerosene is diluted with chlorinated paraffins.

5. If the tap is damaged during tapping, the workpiece can be soaked in nitric acid solution to corrode, and the high speed steel wire cone can corrode quickly without discarding the workpiece.

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