Honscn Co.,Ltd makes all manufacturing processes, throughout the lifecycle of cnc milled turned parts, comply with environmental protection. Recognize eco-friendliness as a vital part of product development and manufacturing, we take preventive measures to minimize the environmental impact throughout this product’s life cycle, including raw materials, production, use, and disposal. And the result is this product meets the strictest sustainable criteria.
We have always worked hard to increase the awareness of brand - HONSCN. We actively participate in international exhibitions to give our brand a high exposure rate. In the exhibition, customers are allowed to use and test the products in person, so as to better know the quality of our products. We also give out brochures that detail our company and product information, production process, and so on to participants to promote ourselves and arouse their interests.
At Honscn, we greatly improves customer experience relying on our long-term expertise and dedicated post-sales support. MOQ, warranty, shipment and packaging of cnc milled turned parts are negotiable or subject to customers' requirements.
How to choose the right CNC machining material？
The materials are wrong, all in vain! In order to produce satisfactory products, the choice of materials is the most basic step and the most critical step. CNC machining can choose a lot of materials, including metal materials, non-metallic materials and composite materials.
Common metal materials include steel, aluminum alloy, copper alloy, stainless steel and so on. Non-metallic materials are engineering plastics, nylon, bakelite, epoxy resin and so on. Composite materials are fiber reinforced plastic, carbon fiber reinforced epoxy resin, glass fiber reinforced aluminum and so on.
Different materials have different physical and mechanical properties, and the correct selection of the right material is critical to the performance, accuracy and durability of the part. Starting from my own experience, this article will share with you how to choose low cost and suitable materials among many processing materials.
First, we need to determine the end use of the product and its parts. For example, medical equipment needs to be disinfected, lunch boxes need to be heated in the microwave oven, bearings, gears, etc., need to be used for load-bearing and multiple rotational friction.
After determining the use, starting from the actual application needs of the product, the use of the product is investigated, and its technical requirements and environmental requirements are analyzed, and these needs are transformed into the characteristics of the material. For example, parts of medical equipment may have to withstand the extreme heat of an autoclave; Bearings, gears and other materials have requirements for wear resistance, tensile strength and compressive strength. Mainly can be analyzed from the following points:
01 Environmental Requirements
Analyze the actual use scenario and environment of the product; For example: What is the long-term working temperature of the product, the highest/lowest working temperature, respectively, belonging to high temperature or low temperature? Are there UV protection requirements indoors or outdoors? Is it in a dry environment or a humid, corrosive environment? Etc.
02 Technical Requirements
According to the technical requirements of the product, the required capabilities are analyzed, which can cover a range of application-related factors. Such as: the product needs to have conductive, insulating or anti-static which of the capabilities? Is heat dissipation, thermal conductivity, or flame retardant required? Do you need exposure to chemical solvents? Etc.
03 Physical Performance requirements
Analyze the required physical properties of the part based on the intended use of the product and the environment in which it will be used. For parts subjected to high stress or wear, factors such as strength, toughness and wear resistance are critical; For parts exposed to high temperatures for a long time, good thermal stability is required.
04 Appearance and surface treatment requirements
The market acceptance of the product depends largely on the appearance, the color and transparency of different materials are different, the finish and the corresponding surface treatment are also different. Therefore, according to the aesthetic requirements of the product, the processing materials should be selected.
05 Processing performance considerations
The machining properties of the material will affect the manufacturing process and accuracy of the part. For example, although stainless steel is rust resistant and corrosion resistant, its hardness is high, and it is easy to wear the tool during processing, resulting in very high processing costs, and it is not a good material to process. The plastic hardness is low, but it is easy to soften and deform during the heating process, and the stability is poor, which needs to be selected according to actual needs.
Because the actual application requirements of the product are composed of a number of contents, there may be multiple materials that meet the application requirements of a product; Or the situation where the optimal selection of different application requirements corresponds to different materials; We may end up with several materials that meet our specific requirements. Therefore, once the desired material properties are clearly defined, the remaining selection step is to search for the material that best matches those properties.
The selection of candidate materials begins with a review of material properties data, of course, it is not possible to investigate thousands of applied materials, and there is no need to do so. We can start from the material category, and first decide whether we need metal materials, non-metallic materials or composite materials. Then the previous analysis results, corresponding to the material characteristics, narrow the selection of candidate materials. Finally, the material cost information is used to select the most suitable material for the product from a number of candidate materials.
At present, Honscn has selected and launched a number of materials suitable for processing, which have been a popular choice for our customers.
Introduction to the properties of metal materials
Metallic materials refer to materials with properties such as luster, ductility, easy conduction and heat transfer. Its performance is mainly divided into four aspects, namely: mechanical properties, chemical properties, physical properties, process properties. These properties determine the scope of application of the material and the rationality of the application, which is an important reference for us to choose metal materials.The following will introduce two types of metal materials, aluminum alloy and copper alloy, which have different mechanical properties and processing characteristics.
There are more than 1000 aluminum alloy grades registered in the world, each brand name and meaning are different, different grades of aluminum alloy in hardness, strength, processability, decoration, corrosion resistance, weldability and other mechanical properties and chemical properties there are obvious differences, each has its strengths and weaknesses.
hardness
Hardness refers to its ability to resist scratches or indentations. It has a direct relationship with the chemical composition of the alloy, and different states have different effects on the hardness of aluminum. The hardness directly affects the cutting speed and the type of tool material that can be used in CNC machining.
From the highest hardness that can be achieved, 7 series > 2 series > 6 series > 5 series > 3 series > 1 series.
intensity
Strength refers to its ability to resist deformation and fracture, commonly used indicators include yield strength, tensile strength and so on.
It is an important factor that must be considered in product design, especially when aluminum alloy components are used as structural parts, the appropriate alloy should be selected according to the pressure under.
There is a positive relationship between hardness and strength: the strength of pure aluminum is the lowest, and the strength of 2 series and 7 series heat-treated alloys is the highest.
density
Density refers to its mass per unit volume and is often used to calculate the weight of a material.
Density is an important factor for a variety of different applications. Depending on the application, the density of aluminum will have a significant impact on how it is used. For example, lightweight, high-strength aluminum is ideal for construction and industrial applications.
The density of aluminum is about 2700kg/m³, and the density value of different types of aluminum alloy does not change much.
Corrosion resistance
Corrosion resistance refers to its ability to resist corrosion when in contact with other substances. It includes chemical corrosion resistance, electrochemical corrosion resistance, stress corrosion resistance and other properties.
Corrosion resistance selection principle should be based on its use occasion, high-strength alloy used in a corrosive environment, must use a variety of anti-corrosion composite materials.
In general, the corrosion resistance of series 1 pure aluminum is the best, series 5 performs well, followed by series 3 and 6, and series 2 and 7 are poor.
processability
The machinability includes formability and machinability. Because formability is related to the state, after selecting the grade of aluminum alloy, it is also necessary to consider the strength range of each state, usually high strength materials are not easy to form.
If the aluminum is to be bent, drawn, deep drawing and other forming processes, the formability of the fully annealed material is the best, and on the contrary, the formability of the heat-treated material is the worst.
The machinability of aluminum alloy has a great relationship with the alloy composition, usually higher strength aluminum alloy machinability is better, on the contrary, low strength machinability is poor.
For molds, mechanical parts and other products that need to be cut, the machinability of aluminum alloy is an important consideration.
Welding and bending properties
Most aluminum alloys are welded without problems. In particular, some 5 series aluminum alloys are specially designed for welding considerations; Relatively speaking, some 2 series and 7 series aluminum alloys are more difficult to weld.
In addition, the 5 series aluminum alloy is also the most suitable for bending a class of aluminum alloy products.
Decorative property
When aluminum is applied to decoration or some specific occasions, its surface needs to be processed to obtain the corresponding color and surface organization. This situation requires us to focus on the decorative properties of materials.
Aluminum surface treatment options include anodizing and spraying. In general, materials with good corrosion resistance have excellent surface treatment properties.
Other characteristics
In addition to the above characteristics, there are electrical conductivity, wear resistance, heat resistance and other properties, we need to consider more in the selection of materials.
Orichalcum
Brass is an alloy of copper and zinc. Brass with different mechanical properties can be obtained by changing the content of zinc in brass. The higher the content of zinc in brass, the higher its strength and slightly lower plasticity.
The zinc content of the brass used in the industry does not exceed 45%, and the zinc content will be brittle and make the alloy performance worse. Adding 1% tin to brass can significantly improve the resistance of brass to seawater and Marine atmosphere corrosion, so it is called "navy brass".
Tin can improve the machinability of brass. Lead brass is commonly referred to as easy to cut national standard copper. The main purpose of adding lead is to improve the machinability and wear resistance, and lead has little effect on the strength of brass. Carving copper is also a kind of lead brass.
Most brasses have good color, processability, ductility, and are easy to electroplate or paint.
Red copper
Copper is pure copper, also known as red copper, has good electrical and thermal conductivity, excellent plasticity, easy hot pressing and cold pressure processing, can be made into plates, rods, tubes, wires, strips, foil and other copper.
A large number of products that require good electrical conductivity such as electrocorroded copper and conductive bars for the manufacture of EDM, magnetic instruments and instruments that must be resistant to magnetic interference, such as compass and aviation instruments.
No matter what kind of material, a single model basically can not meet all the performance requirements of a product at the same time, and it is not necessary. We should set the priority of various performance according to the performance requirements of the product, the use of the environment, the processing process and other factors, reasonable selection of materials, and reasonable control of costs under the premise of ensuring performance.
Starts with hardware, doesn't stop with hardware. Honscn is committed to providing fastener/CNC industry chain one-stop service.
The spokesperson reveals that they maintain a streamlined machining process that makes them capable of shipping China machining parts that precisely meet the specifications supplied by a client. By supplying precision and custom parts in a timely and regular manner, they allow their industrial clients to keep innovating and producing new goods to gain a competitive advantage in the market. They deliver precision machined components within the scheduled time for industries to carry out their production work continually and without any interruption.
According to the spokesperson, they enjoy an excellent reputation in the industry for their outstanding China machining service . They maintain high precision of all machined components, including the holes, axis and the center distance. Moreover, they employ multiple machines for different types of components to help achieve the highest possible degree of precision. The multiple-machining technique proves very important to reduce the production cost and also shortens the project duration. This also gives them the ability to process complex components that need to pass through different machining processes.
Not only cost and customization, but Runsom Precision also focuses on the quality when it comes to supplying CNC Machining parts . The spokesperson maintains that their machining process is strictly according to the ISO 9001:200 standards and the machining of each component is monitored for their quality. According to him, with a stringent quality control measure, they take extra care to make sure that defect free machined parts are delivered to the clients. Their custom machining ensures that clients get the product that exactly meets their specification.
To know more about their machining process, one can visit their website
About Runsom Precision
Runsom Precision Co. Ltd, established since 2005, is a professional, customized, high precision machined components manufacturer based in Shenzhen, China. With years of experience in the manufacturing and services of CNC machined parts, precision engineering components, custom machined parts, Precision CNC machining service, injection molding parts and die casting parts, the company has established a high reputation for their high quality and nice service. They are able to provide one-stop services from initial concept to finished products.
Contact:
Lucy Zhang (sales)
Company: Runsom precision co.,ltd
Phone no: 86-755-3309675
It is said that in the career of a machine tool worker, no matter how careful it is, it is impossible to avoid a knife collision accident.This has nothing to do with whether the worker is serious and practical and stable, just like a person can not avoid mistakes in the growth process, in the growth process of a machine tool worker, the knife seems to be a hurdle that cannot be bypassing.
Bumping tool, refers to the tool in the process of moving with the workpiece, chuck or tailstock accidental collision machine accident, is the most likely accident for CNC lathe operation novices.
Knife collision will cause workpiece scrap, tool damage, serious damage to the accuracy of the machine tool, destroy the machine parts, and even endanger the personal safety of the machine tool processing personnel.
The occurrence of knife collision accidents is mainly caused by programming errors in the programming process or workers' operational errors in the processing link.
For workers, the general programming link is not easy to make mistakes, and many people have knife collision accidents, often caused by mistakes in the process of machine tool operation.
Because the CNC machining center is locked by software, in the simulation processing, when the automatic operation button is pressed, it is not intuitive to see whether the machine is locked in the simulation interface.
There is often no tool in the simulation, and if the machine tool is not locked to run, it is easy to bump the knife.
Therefore, before the simulation processing should go to the running interface to confirm whether the machine is locked.
Why do CNC machining centers bump knives?
1. Forget to turn off the empty running switch during processing.
Because in the program simulation, in order to save time, the empty run switch is often turned on.
Empty operation means that all moving axes of the machine are running at the speed of G00.
If the operation switch is not turned off during the processing time, the machine tool ignores the given feed speed, and runs at the speed of G00, resulting in knife and machine tool accidents.
2. No reference point is returned after running the simulation empty.
In the verification program when the machine is locked motionless, and the tool relative to the workpiece processing in the simulation operation (absolute coordinates and relative coordinates change), then the coordinates do not match the actual position, must use the method of returning the reference point to ensure that the mechanical zero coordinates are consistent with the absolute and relative coordinates.
If the machining operation is carried out without finding the problem after the verification procedure, it will cause the collision of the tool.
3. The direction of overshoot release is not correct.
When the machine overruns, it should press and hold the overruns release button, and move in the opposite direction manually or by hand, that is, it can be eliminated.
However, if the direction of lifting is reversed, it will cause damage to the machine tool.
Because when the overrange release is pressed, the overrange protection of the machine tool will not work, and the stroke switch of the overrange protection is already at the end of the stroke.
At this time, it is possible to cause the workbench to continue to move in the direction of excess, and eventually pull the lead screw, causing damage to the machine tool.
4. The cursor position of the specified line is incorrect.
When a specified line is run, it is usually executed downward from the cursor position.
For the lathe, it is necessary to call the tool offset value of the tool used, if the tool is not called, the tool running the program segment may not be the desired tool, and it is very likely to cause a collision accident due to different tools.
Of course, in the machining center, CNC milling machine must first call the coordinate system such as G54 and the length compensation value of the knife.
Because the length compensation value of each knife is not the same, it is possible to cause knife collision if it is not called.
As a high-precision machine tool, anti-collision is very necessary, requiring the operator to develop the habit of being careful and careful, operating the machine tool according to the correct method, and reducing the occurrence of machine tool collision.
With the development of technology, advanced technologies such as tool damage detection, machine tool anti-impact detection, and machine tool adaptive processing have emerged during processing, which can better protect CNC machine tools.
There are 9 reasons for this:
(1) Programming error
The process arrangement is wrong, the process undertaking relationship is not carefully considered, and the parameter setting is wrong.
Example :
A. The coordinate is set to zero at the base, but the top is 0 in practice;
B. The safety height is too low, resulting in the tool can not completely lift out the workpiece;
C. The second opening margin is less than the previous knife;
D. After the program is written, the path of the program should be analyzed and checked;
(2) Program single remarks error
Example:
A. The number of unilateral touches is written in four sides;
B. The clamping distance of the vise or the protruding distance of the workpiece is wrong;
C. The extension length of the tool is unknown or wrong, resulting in knife collision;
D. Procedure sheet should be as detailed as possible;
E. The principle of new for old should be adopted when the procedure is changed:Destroy the old program.
(3) Tool measurement error
Example:
A. The tool bar is not considered in the tool data input;
B. The tool is too short;
C. Tool measurement should use scientific methods, as far as possible with more accurate instruments;
D. The length of the tool should be 2-5mm longer than the actual depth.
(4) Program transmission error
Program number call error or program modification, but still use the old program processing; The site processor must check the detailed data of the program before processing; For example, the time and date the program was written and simulated with bear.
(5) Wrong knife selection
(6) the blank exceeds expectations, and the blank is too large and does not conform to the blank set by the program
(7) The workpiece material itself has defects or high hardness
(8) clamping factors, pad interference and the procedure is not considered
(9) Machine tool failure, sudden power failure, lightning strike caused tool collision, etc
Honscn has more than ten years of cnc machining experience, specializing in cnc machining, hardware mechanical parts processing, automation equipment parts processing. Robot parts processing, UAV parts processing, bicycle parts processing, medical parts processing, etc. It is one of the high-quality suppliers of cnc machining. At present, the company has more than 20 sets of cnc machining centers, grinding machines, milling machines, high-quality high-precision testing equipment, to provide customers with precision and high-quality cnc spare parts processing services.