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The Difference Between Die Cast Aluminum And Pure Aluminum
cnc metal mill business, cnc metal mill cost, cnc metal mill design, cnc metal mill maker, cnc metal mill quote, cnc metal mill solution, cnc mill part manufacturer, cnc mill part supplier
Casting is a metal smelting process, usually by using the gravity of the metal in the mold for casting. But “aluminum die-casting” is not done by gravity, it’s done by pressure. It’s kind of like injection molding. But it has a higher technical content of the core, cooling and other systems. In general, materials are delivered through a centralized inlet into the cavity to be cast and “molded” to form the part.
Aluminum has a history of more than 100 years since it was discovered by the Danish scientist H.C.Orsted in 1825. It has been more than 100 years since the Hall-Heroult method was developed in 1886 to industrially extract aluminum
First, The Difference:
1.Selection of release agent (Taiwan Dunhuang Youyan issued pure aluminum special release agent, very easy to use)
2.Keep the temperature of the molten soup (the temperature in the soup should be kept above 720 degrees as far as possible, and the temperature measuring rod should be made of carbonized material, which is not easy to be eroded and enclosed by the aluminum soup)
3.Crucible in melting furnace should be made of graphite material is not easy to cause the temperature difference is too large.
4.The mold surface temperature should not exceed 220 degrees.
5.The cooling time after ejection should not be too long, but the ejection time after mold opening should be within 0.3sec for fins.
6.The die feed port is thicker than the general ADC12 feed port.
7.The smoother the flow field when the flow passage and the feed port are discharged, the better.
8.Spray as far as possible with automatic spray, otherwise die surface temperature is not easy to maintain (the difference is very large)
9.Die cast aluminum is cast aluminum alloy, with some alloying elements casting properties and mechanical properties are better than pure aluminum.
Two, The Advantages Of Die Casting Aluminum:
1, good product quality: casting dimensional accuracy is high, generally equivalent to 6~7 level, even up to 4 level; Good surface finish, generally equivalent to 5~8 level; The strength and hardness are high, and the strength is generally increased by 25~30% compared with sand casting, but the elongation is reduced by about 70%; Stable size, good interchangeability; Die — cast aluminum thin — walled complex castings. For example, the current minimum wall thickness of zinc alloy die casting aluminum parts can reach 0.3mm; Aluminum alloy casting up to 0.5mm; The minimum cast aperture is 0.7mm; The minimum pitch is 0.75mm.
2, high production efficiency: high machine productivity, such as domestic JⅢ3 horizontal cold air die casting machine can die casting aluminum 600 ~700 times in an average of eight hours, small hot chamber die casting machine can die casting aluminum 3000~7000 times in an average of eight hours; Die casting aluminum mold has a long life, a set of die casting aluminum mold, die casting aluminum bell alloy, life can reach hundreds of thousands of times, even millions of times; Easy to realize mechanization and automation.
Excellent economic effect: Due to the precise size of die-casting aluminum parts, the surface is glossy and clean. Generally no longer for mechanical processing and direct use, or processing volume is very small, so it not only improves the metal utilization rate, but also reduces a large number of processing equipment and man-hours; Castings are cheap; Aluminum can be combined with other metal or non-metal materials. It saves both assembly time and metal.
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How custom CNC parts are reflected in manufacturing
Thanks to innovation, the field of manufacturing is growing rapidly. Every day, technology is evolving to allow gift processing manufacturers to adopt amazing technologies such as CNC machining. Not only that, but advanced technology has allowed CNC machining to flourish. Now, it is possible to do the seemingly impossible in manufacturing using custom CNC parts.
For consumers, this is a boon because parts are produced faster and cheaper. The technology is effective and capable of producing even the most complex custom prototypes. Whether you are talking about metal, plastic or wood, it can be done with ease.
Manufacturing plants choose custom CNC machining over traditional machining. In addition, their applications have been widely used in industries such as automotive, aviation and aerospace. In particular, the demand for custom automotive parts has driven the rapid growth of custom CNC machining services.
Why custom CNC parts are becoming popular
First, let's look at the manufacturing of custom CNC parts. It is also important to note that custom machined parts are a CNC machined product. The most popular manufacturing process in the world.
CNC machining can be performed using predefined computer codes. These codes, generated from CAM software, are responsible for converting CAD engineering drawing parts. It contains a series of special codes that control the machining process. Most importantly, the computer codes are the codes that manipulate CNC machining on lathes, grinders and mills.
Manufacturers are focusing more on small production runs rather than mass production. This shift in manufacturing has created space for custom prototypes to take center stage. Again, CNC parts play a role in ensuring the flexibility and efficiency of manufacturing systems.
Another advantage of custom CNC parts is their ease of creation. Previously, the creation of parts on complex surfaces required the use of extensive additive manufacturing. The process was stressful and lacked accuracy and precision. Plus, it was expensive.
However, CNC machining has changed everything. Professional computer-aided design simplifies the manufacturing process. In addition, it allows manufacturers to produce many custom parts by machine in the shortest possible time.
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Design Guide for General Machined Parts
https://www.v1machining.com/The design of machined parts needs to take into account the design requirements of the machining process for the part. Under the premise of meeting the function, appearance and reliability of the product, the design of machined parts should make the machining process simple, efficient, short processing cycle, low processing cost and high quality.
Due to the above-mentioned characteristics of machining, such as high cost of parts, low processing efficiency, and inability to process complex-shaped parts, machining is being replaced by other processing methods, such as injection processing, stamping processing, and die-casting processing, in more and more industries.
Selection of blanks
Blanks are made according to the required shape of the part, process dimensions, etc. for further processing of the production object.
The type, shape, size and accuracy of the blank have a direct impact on the machining process, product quality, material consumption, processing cycle and manufacturing costs. Therefore, in the design of the product, it is necessary to correctly select the type of blank and determine the shape of the blank.
2.2.1 Types of blanks
There are many types of blanks commonly used in machining, and there are many manufacturing methods for the same type of blank.
(1) castings
The shape of complex parts blanks, it is appropriate to use casting methods of manufacture. Most of the current castings with sand casting, which is divided into wooden mold hand molding and metal mold machine molding. Wooden mold hand-shaped castings with low precision, large machining surface allowance, low productivity, suitable for single-piece small batch production or large parts of the casting.
(2) forgings
Mechanical strength requirements of high steel parts, generally to use forging blanks. Forgings are free forging forgings and die forgings of two kinds. Free forging forgings can be manually forged, mechanical hammer forging or press forging and other methods to obtain.
The accuracy of such forgings is low, productivity is not high, the machining allowance is large, and the structure of the parts must be simple; suitable for single and small batch production, as well as the manufacture of large forgings.
The accuracy and surface quality of the forgings are better than that of the free forgings, and the shape of the forgings can be more complex, thus reducing the machining allowance. The productivity of die forging is much higher than that of free forging, but it needs special equipment and forging die, so it is suitable for small and medium-sized forgings with larger batches.
（3) Profile
Profiles can be divided into: round steel, square steel, hexagonal steel, flat steel, angle steel, channel steel and other special cross-sectional profiles according to the shape of the section. Profiles have two types of hot-rolled and cold-drawn. Hot-rolled profiles have low precision, but are inexpensive and used for general parts blanks; cold-drawn profiles are smaller in size and high in precision, easy to realize automatic feeding, but higher in price, mostly used for larger batch production and suitable for automatic machine processing.
(4) Welded parts
Welded parts are obtained by welding method, the advantages of welded parts are simple manufacturing, short cycle time, material savings, the disadvantage is poor vibration resistance, deformation, need to be processed by aging before mechanical processing.
In addition, there are stamping parts, cold extrusion parts, powder metallurgy and other blanks.
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Discussion of the influence of machining process on the machining accuracy of parts and control
Overview of machining process
Based on the mechanical parts as well as workpiece manufacturing period, the relevant machining process method is taken to change the blank, and processing is carried out to further process the fit between the blank and the part.
From the practical work point of view, based on the implementation of mechanical machining process during the processing of the rough grinding as well as parts processing accuracy requirements are very demanding
Analysis of the impact of machining processes on the machining accuracy of parts
Intrinsic influencing factors
Intrinsic factors are a key factor in the impact of machining processes on the machining accuracy of parts.
Mainly including.
①The existence of geometric accuracy errors in the machining system.
②The operation is not standardized in the process of machinery installation. Through careful analysis, it can be seen that the intrinsic influence of factors on the precision of parts processing, and such factors are difficult to eliminate. When there is a mechanical geometric accuracy error, it will lead to a certain error in the parts produced after processing.
Factors influenced by forces
For the machining process system, during operation, the system will usually be deformed by the force, resulting in changes in the position and shape of the system, further affecting the normal and safe operation of the system.
To sum up, the force influence factors are reflected in two major aspects: on the one hand, the system has a strong actual operating capacity. When the system is in actual operation, the tools and fixtures used are subjected to very strong working pressure, and when affected by time, it is easy to produce relative position changes, or deformation under the action of forces.
Factors affecting thermal changes
In the process of machining process application, the thermal variation of parts processing accuracy factors are mainly divided into three categories:
① tool thermal variation.
② Workpiece thermal deformation.
③machine tool itself and structural thermal deformation.
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Customized CNC metalworking services
Metal fabrication is a part manufacturing process involving machining processes such as CNC machining, milling, turning, drilling, EDM and wire EDM to name a few, where the workpiece is cut to the desired shape, size and surface finish by a process that removes metal material to meet the specifications of product designs and engineering drawings.
With state-of-the-art machining equipment and experienced machinists, V1 is able to provide precision CNC metalworking services that can handle custom metal part machining with tight tolerance requirements and complex geometry needs.
Our CNC machining capabilities include prototyping and low volume custom machining, with particular expertise in CNC machining of aluminum parts, as well as other metals such as magnesium, zinc, titanium, steel and stainless steel, and a variety of secondary machining and surface treatment processes.
Why use CNC technology for metal fabrication
Production flexibility and efficiency
CNC makes it easier to manufacture custom metal parts and has been recognized as the best way to ensure high standards in metalworking and part manufacturing. All processes can be set up using adjustable fixtures and automated machine positioning systems, making it possible to respond to production schedules with greater flexibility and productivity.
High precision and repeatability
CNC metal machining allows for greater precision and accuracy. Production is completely automated by the program, machining is continuous, each part is an exact duplicate, machining is fast and easy, and a completely consistent output is obtained.
Eliminate labor and reduce costs
Thanks to technological developments, machining in the manufacturing industry has been automated. The process is mainly controlled by computers or robots, avoiding the process of long processes in production lines, reducing hardware investment and manual workload, saving a lot of time and effort, and thus reducing production costs.
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Customized CNC metalworking services
https://www.v1machining.com/Metal fabrication is a part manufacturing process involving machining processes such as CNC machining, milling, turning, drilling, EDM and wire EDM to name a few, where the workpiece is cut to the desired shape, size and surface finish by a process that removes metal material to meet the specifications of product designs and engineering drawings.
With state-of-the-art machining equipment and experienced machinists, V1 is able to provide precision CNC metalworking services that can handle custom metal part machining with tight tolerance requirements and complex geometry needs.
Our CNC machining capabilities include prototyping and low volume custom machining, with particular expertise in CNC machining of aluminum parts, as well as other metals such as magnesium, zinc, titanium, steel and stainless steel, and a variety of secondary machining and surface treatment processes.
Why use CNC technology for metal fabrication
Production flexibility and efficiency
CNC makes it easier to manufacture custom metal parts and has been recognized as the best way to ensure high standards in metalworking and part manufacturing. All processes can be set up using adjustable fixtures and automated machine positioning systems, making it possible to respond to production schedules with greater flexibility and productivity.
High precision and repeatability
CNC metal machining allows for greater precision and accuracy. Production is completely automated by the program, machining is continuous, each part is an exact duplicate, machining is fast and easy, and a completely consistent output is obtained.
Eliminate labor and reduce costs
Thanks to technological developments, machining in the manufacturing industry has been automated. The process is mainly controlled by computers or robots, avoiding the process of long processes in production lines, reducing hardware investment and manual workload, saving a lot of time and effort, and thus reducing production costs.
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Customized CNC metalworking services
Metal fabrication is a part manufacturing process involving machining processes such as CNC machining, milling, turning, drilling, EDM and wire EDM to name a few, where the workpiece is cut to the desired shape, size and surface finish by a process that removes metal material to meet the specifications of product designs and engineering drawings.
With state-of-the-art machining equipment and experienced machinists, V1 is able to provide precision CNC metalworking services that can handle custom metal part machining with tight tolerance requirements and complex geometry needs.
Our CNC machining capabilities include prototyping and low volume custom machining, with particular expertise in CNC machining of aluminum parts, as well as other metals such as magnesium, zinc, titanium, steel and stainless steel, and a variety of secondary machining and surface treatment processes.
Why use CNC technology for metal fabrication
Production flexibility and efficiency
CNC makes it easier to manufacture custom metal parts and has been recognized as the best way to ensure high standards in metalworking and part manufacturing. All processes can be set up using adjustable fixtures and automated machine positioning systems, making it possible to respond to production schedules with greater flexibility and productivity.
High precision and repeatability
CNC metal machining allows for greater precision and accuracy. Production is completely automated by the program, machining is continuous, each part is an exact duplicate, machining is fast and easy, and a completely consistent output is obtained.
Eliminate labor and reduce costs
Thanks to technological developments, machining in the manufacturing industry has been automated. The process is mainly controlled by computers or robots, avoiding the process of long processes in production lines, reducing hardware investment and manual workload, saving a lot of time and effort, and thus reducing production costs.
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Magnesium alloy powder will explode, magnesium alloy processing is easy to fire safety, need to pay attention to what?
In recent years, through a large number of production practices, people have gradually out of the traditional misunderstanding. In fact, the theoretical existence of the danger, in practice can not be generalized, in fact the magnesium block solid is quite safe, will not burn and explode.
Even the magnesium block directly to the flame heating and burning, will not cause the burning of magnesium. Even if the magnesium block is ignited, as long as the flame will be withdrawn, the magnesium block will be quickly dissipated because of heat, the temperature drops below the ignition point, the flame will automatically extinguish.
Magnesium block has a large heat capacity, rapid heat dissipation, high ignition point characteristics. Magnesium block burning must be the first solid magnesium block heated to 650 ℃, solid magnesium block melting and then the liquid magnesium continue to heat to 100 ℃, then there will be magnesium vapor escape, the gas of magnesium only has a very strong burning and explosion hazard.
Magnesium alloy powder will explode?
But the magnesium dust, debris, light material does also have a certain combustion and explosion hazards. It is generally believed that: when the concentration of magnesium dust in the air reaches 20 mg / L. may cause an explosion; direct heating of magnesium dust to 340-560 ℃ may also cause the burning of magnesium dust.
Magnesium alloy production in the die-casting industry burning, explosion accidents are also often caused by magnesium dust, debris, light material. Due to the magnesium dust, debris, light material good thermal conductivity, heat accumulation fast, and between each other can not fully dissipate heat, as well as their large surface area, and oxygen contact fully, once the magnesium dust meets the spark, spark, flame will lead to rapid combustion and explosion.
What is the key to the safe production of magnesium alloy?
So whether we can ensure the safety of magnesium alloy production, the key is whether the magnesium dust, debris, light material can be effectively managed and controlled.
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Strong and light! Utilizes inexpensive elements, machined at room temperature
Magnesium alloys
Traditionally, magnesium alloys are mainly prepared for molding using die-casting. Die casting is a method in which a high temperature molten alloy solution is pressed into a mold and then molded after the solution has cooled and solidified. The disadvantage of this casting method is that the prepared alloy does not have a high enough strength.
The lightweighting of automobiles and rail transportation can significantly improve fuel efficiency and greatly reduce CO2 emissions. Magnesium is attracting attention as a new generation of light metal structural material.
Magnesium, the next generation material replacing aluminum alloy
If it were a conventional aluminum alloy material, the weight of this component would be about 2.5 kg. And the reason why Professor Kamata can lift it easily, magnesium has a specific gravity of about 2/3 of aluminum, and is the lightest metal structure material.
In addition to the Shinkansen-based railroad vehicles, aluminum alloys, which are both high-strength and lightweight, are used in a large number of transportation equipment such as automobiles and airplanes.
While the lighter magnesium alloy material is attracting attention and expanding its application in the field of computer and camera frame, etc., the application in the field of transportation equipment has not yet made breakthrough progress.
This is because magnesium alloys are difficult to make into plates and bars because of their low strength and poor machinability at room temperature. For this reason, Prof. Kamato has started to develop a thermally ductile magnesium alloy that is as easy to machine as aluminum alloys.
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Analysis of the application of magnesium alloy in automotive parts
The application of magnesium alloy in the automotive wheel hub
The car wheel hub is an important part of the car tire, its axle as the center, to support the tire cylindrical metal components, in a new way to connect the brake disc, wheel and half-axle, so that the overall body quality can be improved, reduce the heat of its tires, enhance the original power construction of the car.
As the internal billet stress area changes with the progress of forging and forming, the stress in the window area of the wheel is large, and the rounded corners of the window area are easy to produce forming defects, and the temperature is distributed regionally, with high temperature in the middle undulation and low temperature in the periphery.
Magnesium alloy in the application of automotive engines
The engine is the original power parts in the car, which is closely related to the power and environmental protection of the car, the magnesium alloy with excellent performance can be applied to many parts of the engine, which makes the engine weight reduction seriously, significantly reduces the engine vibration and noise, and strengthens the life cycle of the machine and equipment.
When dealing with the application in the automotive engine, it is necessary to ensure that the quality of its internal body is improved so that it conforms to the relevant standards set by China and improves the actual efficiency of the vehicle operation.
Simply following the regulations and neglecting the dimensions and tolerances of the fixed engine brings trouble to the subsequent results of the use of the tires. In the material design, it is also necessary to choose the correct structural material, not by increasing the wall thickness of the material, etc. to enhance the quality control effect of the material.
The application of magnesium alloy in the car body
The body is an important supporting skeleton design of the car, which can create a suitable environment for the driver and passengers to ride, reduce the influence of the external environment, improve the effect of vibration in the process of driving, reduce the noise and exhaust gas invasion situation.
Magnesium alloy in the application of automotive bracket parts
The bracket type parts on the car can effectively support other parts, the use of magnesium alloy production bracket type parts, not only can reduce the total weight of the bracket, but also to reduce the vibration of the car when running.
The different load of the vehicle will bracket class parts production process for innovation and optimization, gradually adjust the bracket class parts positioning mechanism.
The sliding friction between the brake shoes and the brake drum must be increased when the car is slowed down due to excessive speed. In this regard, the actual situation must be improved according to the car for the shoes and brake drum friction, enhance its hot line energy processing.
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What is stamping
Stamping is a production technology that, with the power of conventional or specialized stamping equipment, deforms the sheet directly in the die to obtain a product part of a certain shape, size and performance.
The sheet, the die and the equipment are the three elements of stamping. Stamping is a cold deformation method of metal processing. Therefore, it is called cold stamping or sheet metal stamping, or stamping for short.
It is one of the main methods of metal plasticity processing, and also belongs to the material forming engineering technology.
In order to meet the requirements of shape, size, precision, batch size and raw material performance of stamped parts, a variety of stamping processing methods are used in production. In summary, stamping can be divided into two categories: separation process and forming process.
The die used for stamping is called a stamping die, or punching die for short.
The die is a special tool to process the material in bulk into the required stamped parts. Without a die that meets the requirements, it is difficult to carry out batch stamping production; without an advanced die, the advanced stamping process cannot be realized.
Design principles
(1) The designed stamping parts must meet the use and technical performance of the product and can be easily assembled and repaired.
(2) The designed stamping parts must be conducive to improving the utilization rate of metal materials, reducing the varieties and specifications of materials, and lowering the consumption of materials as much as possible. Low-priced materials should be used as far as possible to make the parts waste-free and scrap-free.
(3) The designed stamping parts must be simple in shape and reasonable in structure, so as to help simplify the die structure and the number of processes, i.e. to complete the processing of the whole part with the least and simplest stamping process and reduce the processing by other methods, and to facilitate the stamping operation and the organization of mechanized and automatic production, so as to improve the labor productivity.
(4) The designed stamping parts should be designed to have low dimensional accuracy and surface roughness level as far as possible to ensure normal use, and to facilitate product interchangeability, reduce scrap and ensure stable product quality.
(5) The stamping parts should be designed in such a way that they can be processed with the existing equipment, process equipment and process flow as much as possible, and that they are conducive to the extension of die life.
Advantages Editor
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What are precision machined parts
Have you ever wondered how a machine shop makes precision machined parts, such as engine parts? These parts are certainly not produced by hand. In fact, machine shops use a process called "precision machining".
Precision machining produces critical components for almost every piece of equipment we use in our daily lives. Precision machined parts have transformed industries such as aerospace, automotive, power transmission equipment and other manufacturing industries.
If you need some precision machined parts? Then you better know know what precision machining is and how to use it to support contemporary manufacturing advances.
Precision machined metal parts.
Precision machined parts often have complex features and precise conditions. These parts consist of holes, recesses, threads and tapers that should fit correctly with other components.
Precision machining produces accurate metal parts to ensure proper product operation. For example, parts used in automotive engines require precise requirements for optimal performance.
What are other uses for precision machining?
Precision machining can be effectively used to design parts, tools, custom fasteners and other important hardware. As a result, parts should have higher tolerances in order to fit precisely with other components.
The interesting fact is that precision machining maintains the reliability of mass-produced components. This is especially evident when producing accessories. Manufacturers of precision machined parts ensure that constant and repeatable results are obtained.
In addition, precision machining can be felt in the finish of metal products. For example, you can use precision machining to finish produced parts through die-casting or less precise manufacturing techniques. Conversely, precision machining has its uses in repair work.
In addition, worn parts may need to be grooved, welded or calibrated over a period of time, so computer-aided equipment will restore the part to its original condition.
Why choose precision machine components for your project?
There are many reasons to choose precision machining, as it is the best process in international manufacturing.
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Mechanical machining process affecting automotive parts Accuracy factors
Physical environment
In the process of machining process to produce automotive parts, the physical environment has the greatest impact on the accuracy and is irreversible.
Modern machining usually uses mechatronic CNC machine tools, which need to be set according to the production requirements before processing, and once the parameters are set wrong, the error with the parts processing requirements will directly affect the accuracy.
Thermal deformation
Thermal deformation is a frequent phenomenon affecting the accuracy of processing production, in the processing of automotive parts, two kinds of thermal deformation can occur, one is caused by the tool, the other is the processing of heat deformation.
Among them, the tool in the high-frequency cutting process, due to the force and repeated friction generates a lot of heat, and the process of contact with the processing object, the transfer of heat, when more than the upper limit of the processing object tolerance, it will make the processing object deformation, resulting in the final part accuracy is not up to standard.
Deformation by force
During the machining process, the workpiece itself has the weight to produce a certain gravity, the tool in the process of running a certain cutting force and friction, machinery and equipment running too long will produce a certain squeezing pressure due to deformation, these external forces can act on the processing object, resulting in different degrees of deformation of the processing object, so as not to ensure accuracy.
Geometric error
There are many factors affecting the accuracy of the part machining process, and geometric errors have a high frequency, the impact of serious features, geometric errors and machine tool spindle rotation related to the appearance of.
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The impact of machining process on the accuracy of automotive parts
The precision of auto parts is one of the key factors affecting the overall quality and performance of the car, and is also one of the indicators measuring the level of auto parts processing technology. With the booming development of China's auto industry, the precision standard of auto parts is becoming more and more strict, thus having higher requirements on the level of machining technology.
Process Connotation
Machining process refers to the use of processing technology, processing equipment, processing tools to change the size, geometry, product properties of processed products, so that the processed products meet the needs of other enterprises, equipment, customer use.
Auto parts machining is according to the automotive manufacturing needs of processing in line with the specification standards, performance standards, size standards, quality standards can constitute the overall automotive unit products required, for precision has strict requirements, and strive to achieve the perfect match between parts in the process of automotive assembly.
Process flow
The application and process of machining process in automotive parts processing is very complex, from the pre-processing to the post-processing are the key stage of precision control, it is very easy to have all kinds of unexpected problems, affecting the final processing effect of parts.
According to the specific content of the process can be divided into early production links and post-processing links, the goal of both raw materials or semi-finished products processed into finished machinery.
Process value
Machining process using technical means and equipment to produce mechanical products to meet market demand is the basic method for enterprises to achieve economic benefits and play the value of resources.
From the perspective of achieving economic benefits of enterprises, the vast majority of manufacturing and processing enterprises in China currently save development costs through cost management, and processing as the production of a large number of costs to occupy the development of enterprises in the link.
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The impact of machining process on the accuracy of automotive parts
The precision of auto parts is one of the key factors affecting the overall quality and performance of the car, and is also one of the indicators measuring the level of auto parts processing technology. With the booming development of China's auto industry, the precision standard of auto parts is becoming more and more strict, thus having higher requirements on the level of machining technology.
Process Connotation
Machining process refers to the use of processing technology, processing equipment, processing tools to change the size, geometry, product properties of processed products, so that the processed products meet the needs of other enterprises, equipment, customer use.
Auto parts machining is according to the automotive manufacturing needs of processing in line with the specification standards, performance standards, size standards, quality standards can constitute the overall automotive unit products required, for precision has strict requirements, and strive to achieve the perfect match between parts in the process of automotive assembly.
Process flow
The application and process of machining process in automotive parts processing is very complex, from the pre-processing to the post-processing are the key stage of precision control, it is very easy to have all kinds of unexpected problems, affecting the final processing effect of parts.
According to the specific content of the process can be divided into early production links and post-processing links, the goal of both raw materials or semi-finished products processed into finished machinery.
Process value
Machining process using technical means and equipment to produce mechanical products to meet market demand is the basic method for enterprises to achieve economic benefits and play the value of resources.
From the perspective of achieving economic benefits of enterprises, the vast majority of manufacturing and processing enterprises in China currently save development costs through cost management, and processing as the production of a large number of costs to occupy the development of enterprises in the link.
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What is the difference between a lathe and a milling machine?
Lathe is generally processing shaft, sleeve, disk, pad and other parts, generally horizontal lathe is the main, of course, large lathes also have vertical and other forms, lathes generally have tool holders, used in accordance with the tool, processing form is generally tool feed movement, the main motion for the workpiece rotary motion Turning used to process rotary parts.
The parts are clamped on the spindle of the machine tool by three gripping chucks and rotated at high speed, then the turning tool is used to follow the bus line of the rotary body to cut out the product appearance. The lathe can also process bore, thread, nibble, etc., the latter two are low-speed processing. CNC lathe can process complex rotary shape.
Milling machines are generally used to process slotted workpieces, such as splines of spline shafts, keyways of shafts, teeth of gears, etc. Of course, milling of flat surfaces is also possible, and milling machines are generally horizontal for small machines and gantry for large machines.
The processing form is generally the opposite of lathe, the main motion is the tool rotation motion, the workpiece movement for the feed motion Milling is to fix the blank, with high-speed rotating milling cutter on the blank, cut out the required shape and features.
Conventional milling is more often used to mill simple shapes/features such as contours and slots. CNC milling machines can perform machining of complex shapes and features.
Milling and boring machining centers can perform 3-axis or multi-axis milling and boring for machining, molds, inspection tools, tire tools, thin-walled complex surfaces, artificial prostheses, blades, etc.
Grinding machines are generally designed to improve the quality of workpiece processing and improve the surface finish of the workpiece machine tools, small machines are also mainly horizontal, large machines for rail grinding.
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What is the difference between CNC milling machine and CNC lathe? What are the advantages?
CNC milling machines and CNC lathes are two of the most commonly used CNC machines today. When machining, the process of milling and turning looks very similar (i.e. metal removal). However, there is actually a big difference between the two.
Turning means machining on a lathe. The machining principle is that the workpiece is rotated and the tool is fixed. During machining, the blanks or workpieces are first fixed to the rotating spindle with a fixture. As the spindle rotates, a turret containing the tool controls the movement of the tool, thereby removing excess material from the stock or workpiece.
Milling refers to machining on a milling machine. The machining principle is that the tool rotates and the embryo or workpiece is fixed. During machining, the embryo or workpiece is fixed on the machining platform with a fixture, and then the spindle turns the tool, which moves in the directional axis and cuts the embryo or workpiece, which can be formed into various shapes.
The difference between the two
The moving path of tool and workpiece
CNC turning:The workpiece rotates and the turning tool moves along a straight line or curve.
CNC Milling:The milling tool rotates and moves along a straight line or curve.
Processing capacity
CNC lathe:It can be used for drilling, tapping and knurling.
CNC milling:It can process plane (horizontal and vertical), groove (keyway, T-slot, ant-slot), gear, spiral surface (thread, spiral groove) and various surfaces.
Purpose
CNC turning:mainly used for machining internal and external cylindrical surface or conical surface, such as shaft, bushing, sleeve, etc.
CNC Milling:Used for machining flat and irregular surfaces of complex shapes or features, such as grooves, gears, threads and special shaped surfaces of molds.
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