Search This Blog

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


# 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] ------------------------------------------------------------------- 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

High-quality lubricants are indispensable for engine maintenance

How to protect the car engine, how to maintain the excellent performance of the engine, and reduce the maintenance cost caused by the engine failure repair? For car owners, this is the focus of attention.

The heart of the automobile engine makes the oil depend on the fast movement of this part and the poor environment. The working temperature can reach 400°C to 600°C. Under such harsh working conditions, only qualified lubricating oil can reduce the engine parts Wear and prolong service life.

Engine as a kind of machinery, the requirements for lubricating oil have in common with general machinery, such as proper viscosity, certain anti-oxidation, anti-wear, anti-corrosion and viscosity-temperature performance requirements. But the engine is a special kind of machinery, and its requirements for lubricating oil have its special side, and its particularity mainly includes:

1) The general requirements for the engine are small size, light weight, compact structure, and large output power, so its unit friction surface bears a large load.

2) In addition to frictional heat, it is also affected by combustion heat. Therefore, the temperature of the friction surface is very high, which reduces the viscosity of the lubricating oil and makes it difficult to form an oil film.

3) The high-temperature and high-pressure combustion gas in the combustion chamber will leak to the crankcase through the gap between the piston, piston ring and cylinder liner. These combustion gases are the gas produced by the complete combustion and incomplete combustion of fuel and a small amount of lubricating oil. Some particulate matter (soot) usually becomes the main component of crankcase blow-by, which will pollute the lubricating oil and promote its oxidation under certain conditions.

4) The lubricating oil needed around the combustion chamber enters through the gap between the piston and the cylinder liner, and the gap between the valve stem and the valve guide, so it is difficult to supply oil.

5) Pistons, valves and other parts reciprocate during work, so the relative speed at the top and bottom dead centers is zero, making it difficult to form an oil film. The piston pin and the bushing are in oscillating motion, and the oil film is difficult to form.

6) When the engine is stopped and running for a long time, the temperature is very different, and due to the thermal expansion and thermal deformation of the parts, it is difficult to control the constant gap of some friction pairs. The gap may be too small to cause adhesion and sintering, or it may be caused by The gap is too large to cause shock and vibration to cause damage. In these cases, the oil film is difficult to adhere.

7) There are a variety of friction pairs in the engine, such as pistons and cylinder liners, crankshaft journals and bearings, cams and followers, gears, etc., although they have different requirements for lubricating oil lubrication performance, but in an engine Only one type of lubricating oil can be used (except for large marine diesel engines), so a variety of lubrication conditions should be taken into consideration when choosing lubricating oil.

8) The use environment of vehicle engines is complex, such as temperature, humidity, atmospheric pressure, dust, etc. change greatly. At the same time, because the engine oil often contains elements such as sulfur and lead, it will promote the corrosion and wear of certain parts.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

Link to this article:High-quality lubricants are indispensable for engine maintenance

Reprint Statement: If there are no special instructions, all articles on this site are original. Please indicate the source for reprinting.:Cnc Machining,Thank

Contact Us

Get In Touch or Get A Quote

Need an expert? you are more than welcomed to
leave your contact info and we will be in touch shortly
Sifangyuan Industrial Park, Xinshapu, Huaide Community
Humen town, Dongguan City, Guangdong Province.