What’s CNC machining?

CNC machining stands for computer numerical control.CNC machine tool programming controlled by CNC machining language. What kind of Cartesian position coordinates are used for the processing tools of the CNC machine tool, and control the feed speed and spindle speed of the tool, as well as the tool changer, coolant and other functions. Compared with manual machining, CNC machining has great advantages. CNC machining can produce parts faster, more accurately, and more accurately, and can produce parts with complex shapes that cannot be completed by manual machining. CNC machining has also reduced the labor cost of manual processing that was originally done by humans.

What are the benefits of CNC machining?

① The number of tooling is greatly reduced, and complex tooling is not required for processing parts with complex shapes. If you want to change the shape and size of the part, you only need to modify the part processing program, which is suitable for new product development and modification.
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②The processing quality is stable, the processing precision is high, and the repeat accuracy is high, which is suitable for the processing requirements of the aircraft.

③The production efficiency is higher in the case of multi-variety and small batch production, which can reduce the time of production preparation, machine tool adjustment and process inspection, and reduce the cutting time due to the use of the best cutting amount.

④It can process complex profiles that are difficult to process by conventional methods, and even process some unobservable processing parts.

⑤Reduce the labor cost of manual processing that was originally done manually

However, due to the high cost of CNC machine tools and the requirement for high-level technical personnel, the cost of machining will be relatively high.

What is the difference between zinc plating,nickel plating and chrome plating?

Electroplating is the process of using electrolysis to attach a metal film to the surface of metal or other materials to prevent metal oxidation, improve wear resistance, conductivity, light reflection, corrosion resistance and aesthetics.

Electroplating is divided into gold plating, silver plating, chrome plating, nickel plating and zinc plating. it is usualy use zinc plating, nickel plating and chrome plating in the field of metal manufacturing.

What is the difference between them?

zinc plating: Galvanizing refers to the surface treatment technology of plating a layer of zinc on the surface of metals, alloys or other materials for aesthetics and rust prevention.
Features: low cost, general anti-corrosion, silver white.
Application: screws, circuit breakers, industrial supplies, etc.
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Nickel plating: A method of plating a layer of nickel on metal or certain non-metals by electrolysis or chemical methods.
Features: beautiful, can be decorated, high price, slightly complicated craftsmanship, the color is silvery white and yellow.
Application: Energy-saving lamp holder, coins, metal parts, etc.

Chrome plating: Chromium is a kind of bright white metal with a bluish tint. It is a method of plating a layer of chromium on metal or some non-metals by electrolysis or chemical methods.
Features: There are two types of chromium plating. The first one is for decorative purposes. It has a bright appearance and good abrasion resistance. The anti-rust ability is not as good as galvanized and is worse than oxidation. The second is to increase the hardness and wear resistance of metal parts. .
Application: Bright decorative parts, tools, faucets, etc. on home appliances, electronics and other products.

In a word, the biggest difference between them as following :
1. Chrome plating is mainly to improve surface hardness, beauty and rust prevention. The chromium plating layer has good chemical stability, and has no effect in alkali, sulfide, nitric acid and most organic acids
2. Nickel plating is mainly wear-resistant, anti-corrosion, and anti-rust, and generally has a thinner thickness.
3. Galvanizing is mainly beautiful and anti-rust. Zn is an active metal that can react with acid, so it has poor corrosion resistance.

How can the CNC machining service industry achieve sustainable development?

Nowadays, all walks of life are pursuing sustainable development, from Fisheries, Furniture to Energy and Construction.

In fact, from a narrower perspective, the CNC machining service industry has also been pursuing some form of sustainability.
Throughout history, manufacturers have been trying to find ways to make the CNC machining process more efficient and cost-effective, including the continuous development of advanced and sophisticated production machinery, improved cutting tools, and optimization of the entire cutting system. Specific strategies include high-speed machining, high-feed machining, high-performance machining, and digital machining.

A recently proposed sustainable machining plan aims to reduce the consumption of raw materials, energy use and waste generation throughout the product life cycle, so that it can at least reach a level that is balanced with the earth’s carrying capacity. Usually, discussions on sustainability focus on macro-global environmental issues, while ignoring basic elements such as price, cost, customer satisfaction, process knowledge, and reliability. When it comes to the sustainability of machining, true success begins with simple, straightforward steps and analysis.

Economic sustainability includes many aspects (sustainable pricing, invisible costs, customer satisfaction, waste and measurement, compensation and sustainability, reliable processing technology, reduction of energy consumption, and maximum efficiency), but in general In other words, these components are fundamental and straightforward. Most importantly, economic sustainability means that manufacturers need to realistically and accurately assess waste in all aspects of the production process and take reasonable countermeasures.
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01. Sustainable Pricing
Making sustainable prices for goods or services is a challenge that every business faces. The price must be sufficient to cover costs and generate profits, but must attract customers in market competition. If the customer thinks the product is value for money, the manufacturer has room to set a higher price.
On the other hand, if pressure from customers and competitors leads to under pricing, profit margins will be affected. When the price is lower than the production cost, it will cause losses. If competitive pressure makes prices too low, then product designers and processors must find cheaper, faster, and better production methods to cut production costs and maintain sustainable profit margins.

02 Customer Satisfaction   
Customer satisfaction is a key element of sustainable economic development. What customers care about is when the order will be delivered. In the minds of customers, the “delivery time” is calculated from the time the order is placed. And the delivery time is more than just production time. If it takes three weeks to process a part, but two weeks before and after the management activities, the workshop must frankly inform the customer that the delivery time is five weeks. Metal cutting equipment suppliers, including Seco Tools, provide tool inventory management, tool identification and machine tool monitoring systems that enable workshop personnel to track customer operations and maximize workshop capacity to meet delivery targets and maintain customer satisfaction.

03 Reliable processing technology
Sustainable processing is reliable and predictable, and can minimize energy waste. Unreliable processes can lead to rework or scrapping of parts, as well as waste of raw materials, energy and labor due to unqualified products.
For a long time, CNC machining manufacturers have pursued economic sustainability by processing high-quality products with competitive prices to support and maintain their business development.