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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

TI TPS65266RHBR

# TPS65266RHBR TI TPS65266RHBR New Switching Voltage Regulators 2.7Vto6.5V InputV3A 2A/2A Output Cur Syn , TPS65266RHBR pictures, TPS65266RHBR price, #TPS65266RHBR supplier ------------------------------------------------------------------- Email: [email protected] https://www.slw-ele.com/tps65266rhbr.html ------------------------------------------------------------------- Manufacturer: Texas Instrument s  Product Category: Switching Voltage Regulator s  RoHS:  Details   Mounting Style: SMD/SMT  Package / Case: VQFN -32  Output Voltage: Adjustable  Output Current: 2 A, 3 A  Number of Outputs: 3 Output  Input Voltage MAX: 6.5 V  Topology: Buck  Input Voltage MIN: 2.7 V  Switching Frequency : 1 MHz  Minimum Operating Temperature: - 40 C  Maxim um Operating Temperature: + 85 C  Series: TPS65266  Packaging: Cut Tape  Packaging: MouseReel  Packaging: Reel Switching Voltage Regulators 2.7Vto6.5V InputV3A 2A/2A Output Cur Syn

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

Six points of experience in precision metal parts processing

In the precision  machining of metal parts, hardware processing accounts for a large part. This time I will share with you what are the technological properties of hardware, I hope it will be helpful to everyone!

Casting performance: refers to some process properties of whether a metal or alloy is suitable for casting, including flow properties, ability to fill the mold; shrinkage, the ability to shrink the volume when the investment casting solidifies; segregation refers to the unevenness of chemical composition.

Welding performance: refers to the characteristics of metal materials that can meet the purpose of use by welding two or more metal materials together by heating or heating and pressure welding.



Top gas section performance: refers to the performance that laser cutting materials can bear upsetting without breaking.

Cold bending performance: refers to the performance of metal materials that can withstand bending without breaking at room temperature. The degree of bending is generally expressed by the ratio of the bending angle α (external angle) or the bending center diameter d to the material thickness a. The larger a or the smaller d/a, the better the cold bendability of the material.

Stamping performance: the ability of metal materials to withstand stamping deformation without breaking. Stamping at room temperature is called cold stamping. The inspection method is tested by cupping test.

Forging performance: the ability of metal materials to withstand plastic mold deformation without breaking during forging.

Processing is divided into the following four stages:

1.Face before hole

For parts such as box body, bracket and connecting rod, the plane should be processed first and then the hole should be processed. In this way, the holes can be positioned on the plane to ensure the accuracy of the plane and the position of the hole, and the processing of the holes on the plane is convenient.

2. Process the datum surface first

During the processing of the part, the surface as the positioning reference should be processed first in order to provide a precise reference for the subsequent processing as soon as possible. Called "benchmark first."

3. Finishing

The finishing cnc machining  china of the main surface (such as grinding, honing, fine grinding/rolling processing, etc.) should be carried out at the latter stage of the process route. The surface finish after processing is above Ra0.9um. A slight collision will damage the surface. In Japan , Germany and other countries, after the finishing process, they must be protected with flannel. Never touch the workpiece directly with your hands or other objects, so as to avoid the finishing surface from being damaged due to the transfer and installation between processes.

4, divide the processing stage

Surfaces with high processing quality requirements are divided into processing stages, which can generally be divided into three stages: rough processing, semi-finishing and finishing. The main purpose is to ensure the processing quality; facilitate the rational use of equipment; facilitate the arrangement of the heat treatment process; and facilitate the discovery of blank defects.

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