During the machining process, due to various reasons such as workpiece material, environment, processing method, etc., mechanical wear will be caused. Mechanical wear is very harmful to product quality, accuracy and processing efficiency. Therefore, it is very important to prevent mechanical processing wear. 1. Common types and characteristics of mechanical [...]
Polishing refers to the use of mechanical, chemical or electrochemical effects to reduce the surface roughness of the workpiece to obtain a bright and smooth surface. At present, it is widely used in various industries, such as consumer electronics, home appliances, automobiles, etc. Polishing is a traditional and necessary manufacturing process, but at [...]
The rapid development of the machining industry makes all parties have higher and higher requirements for the quality of machined parts. In the CNC machining process, the problem of tool marks is one of the key quality defects, which not only makes the quality of the parts unable to be effectively guaranteed, but also [...]
The acceptance of blank parts and the verification of technical requirements are an important work content before aluminum parts undergo anodizing or chemical conversion treatment. Through this work, it is possible to find out the processing varieties and technical requirements required by the blank parts, and to judge whether it meets the corresponding processing quality [...]
Do you know how to properly clean precision CNC machined parts? Engineering machinery parts basically need to be cleaned during the assembly process. Today, DO Machining will share several cleaning methods for precision CNC machined parts. The purpose of cleaning parts is to remove all kinds of dirt, such as casting sand, [...]
The application of CNC technology in the field of machining and manufacturing can meet the needs of modern society for product diversification and the requirements of product upgrading, and it can also promote the development of machinery manufacturing in the direction of precision, modernization, technology and intelligence. That makes the machinery manufacturing industry has achieved [...]
Speaking of machining, what can you think of? Working with machines all day, dirty and tiring, the salary is not high, and often works overtime and night shifts. Yes, machining employees often complain like this. They might be envious of the machining supervisors, who don’t have to deal with machines every day, don’t have [...]
A heat sink is a device for cooling heat-prone electronic components in electrical appliances. Most of them are made of aluminum alloy, brass or bronze. They can be made into plate, flake, multiple flake shape etc. For example, the CPU central processor in the computer, the power tube, the line tube in the TV, and the [...]
In mechanical manufacturing, The most common is the tolerance and fit of mechanical parts, so what is machining industry tolerance fit? What should be paid attention to in tolerance fit? 1. Overview of interchangeability of tolerance fit The interchangeability in mechanical manufacturing industry usually includes the interchange of geometric parameters [...]
Thread machining is the process of machining threads on workpieces by cutting, turning, milling, grinding and other processes, and generally refers to the method of machining threads on workpieces with forming tools or abrasive tools. There are a variety of tools for machining threads. The choice of tools is actually the choice of machining method. [...]
In the machinery manufacturing industry, in order to meet the needs of flame retardant, insulation, and wear resistance, plastic materials are often used. Nylon, phenolic and other plastics are common used as processing materials for guide rails, lining boards, wire troughs and other parts. For products with complex shape and few quantity, it [...]
When it comes to surface treatment, many people always think of metal surface treatment. In fact, plastics can also be surface treated. The surface treatment of plastic is to form a surface layer with some or more special properties on the surface of the material by physical or chemical methods. It can improve the [...]
Anything that can be produced uniformly and casually by a mechanical processing factory is definitely not profitable. They only can compete on product quality, refinement and finesse. Only if we have a separate excellent mechanical design R&D department, constantly develop new products and improve processing technology, relatively speaking, the profit is relatively large. Therefore, don't [...]
As one of the most important treatment processes in the material production process, metal heat treatment technology has great advantages compared with other common processing technologies. First of all, heat treatment only changes the internal microstructure or the chemical composition of the surface of the workpiece, improves the performance of the workpiece, and [...]
During the machining process of the CNC machining center, whether the selection of the positioning reference is reasonable determines the quality of the parts, which has a great influence on whether the dimensional accuracy and mutual position accuracy of the parts can be guaranteed, and the processing sequence arrangement between the surfaces of the [...]
CNC machining is the most widely used subtractive manufacturing technology. In CNC machining, using various cutting tools to remove material from solid blocks, and produce parts based on CAD models. Both metals and plastics can be processed by CNC. How does CNC machining work? There are two main types of [...]
CNC programming is a difficult task for most people. Judging from the current CNC machining market, not all the people engaged in related work are from the industrial mechanical field, but they can still do well in CNC machining work. Of course, this is inseparable from the hard work and efforts of the day after [...]
In today's manufacturing industry, quality is the foundation of an enterprise, and supplier quality assurance is often the most intuitive form of final product quality. However, the reality that some companies now face is that good suppliers are usually not loyal enough, and loyal suppliers are usually not good enough, so constantly developing suppliers [...]
Isn't the cutting tool used in the machining center as fast as possible? Why need to passivate it? In fact, cutting tool passivation is not a literal meaning to everyone, but a way to increase the service life of the tool. Improve tool quality through smoothing, polishing, deburring and other processes. This is [...]
In product design, the design and processing of the shell is very important. The shell not only protects the internal parts of the product, but also affects the touch and texture of the product, and plays an important role in enhancing the external image of the product. However, in the process of product shell [...]
When you are ready to produce the products to test market, do you want to directly find the mould factory to make a mould to processing? When you receive the mould cost from the mould factory, you may ask why open a mould cost is so high? When you have [...]
Orders are getting smaller, profits are getting lower, workers are getting harder to hire, and now machining companies are getting harder and harder to run, many machining companies are complaining about the same problems. 1. Orders are getting smaller and smaller In the past, many mechanical machining factories received orders are [...]
Many factories often have this phenomenon: almost everyone in the factory is very busy, but in the end the overall efficiency is low, and it is difficult to find out the reason, do not know how to improve. This article analyzes the reasons from below aspects. 1. The process needs to [...]
Nowadays, there is a new outbreak of COVID-19 in the world, and many countries have the possibility of a large outbreak. So what impact will the new global epidemic have on China and how much impact will it have on China's manufacturing industry? As a large manufacturing country, the production [...]
At present, the latest type of cutting machine equipment used in the world is the fiber laser cutting machine. Through the output of the laser beam with high energy density, the laser beam can be focused on the surface of the processed workpiece, so that the materialization of the equipment can be instantaneously achieved. [...]
For small mechanical machining factories, I think the main problem that troubles them is how to find customers quickly and receive orders. As a small and medium mechanical machining factory, DO Machining would like to share something method we take. Hope these methods should help small mechanical machining factories receive orders quickly. [...]
There are many types of factory technicians. When it comes to getting high-paid technicians in the factory, it is necessary to count the CNC technicians in the factory. A CNC machine costs millions of dollars, up to tens of millions. Therefore, high-paid CNC technicians, first of all, their skills are high: not only must [...]
We often hear customers ask: Are you a manufacturer? Do you have your own factory? Do you machining it by yourself or others? In fact, customers are nothing more than worrying about whether you are the CNC machining Parts source manufacturer. This is the same demand for companies that need outsourced machining parts. What is [...]
At present, machining metal cutting technology has improved a lot, but for special materials that are more difficult to machine, machining cutting efficiency is still low. How to improve cutting efficiency and reduce processing costs is the main problem facing machining manufacturers now. What Are The More Difficult Machining Materials? [...]
This is a very worthwhile question, because this is the only way for a manufacturing company to find a partner. Choosing a high quality mechanical machining manufacturer, the following investigation points are important. 1. The plant must have powerful mechanical process engineers For a mechanical machining manufacturer, a powerful mechanical process [...]
There are many reasons for the deformation of aluminum parts, which are related to the material, part shape, and production conditions. There are mainly the following aspects: deformation caused by internal stress in blank, deformation caused by cutting force and cutting heat, and deformation caused by clamping force. Here are [...]
Aluminum is the most widely used metal material in non-ferrous metals, and its application range is still expanding. The use of aluminum to produce aluminum products is even more numerous and endless. According to statistics, there are more than 700,000 types. From the construction and decoration industry to the transportation and aerospace industries, different [...]
After all these years of doing machining, how much do you value workblanks material? Have you always selected the right workblanks material? There is actually a lot of knowledge about the workblanks. Today, let's talk about the knowledge of the workblanks! The determination of the workblank directly affects the economics of machining. Therefore, [...]
This question is of great challenge and practical significance for new entrants to the machining industry. The following is my opinion based on my personal experience and understanding. I personally think it is very important to do the following. 1. Good machining technology ability When we got a machining drawing [...]
Generally when machining, the workpiece size usually has specific parameter requirements, and even some requirements are very strict. However the unstable workpiece size not only reduces the order qualification rate, but also causes damage to the equipment. How to solve the problem of CNC machining unstable workpiece size? Judgment and [...]
Electroplating is the process of plating a thin film of other metals or alloys on the metal surface using the principle of electrolysis. It is a process that uses electrolysis to attach a metal film to the surface of a metal or other material to prevent metal oxidation (such as rust). ), Improve the [...]
The tap and drill are broken in the hole. How to fix it? Fill it with lubricating oil and slowly knock it out on the fracture surface in the opposite direction with a sharp tassel(The most common method in the shop, but may not be suitable for threaded holes with [...]
In the CNC machining industry, everyone knows that CNC different cnc machining manufacturers will have a certain price difference for the same product, why is this so? Let the CNC machining manufacturer DO MACHINING talk about how to calculate the processing cost of CNC machining: The CNC machining cost is [...]
Machining accuracy and efficiency are the two most important factors for machining center users. Many people report that in normal machining operations, the machining efficiency is low when the workpiece accuracy is high, and the workpiece accuracy cannot be guaranteed when the machining efficiency is high. Can we take these two points into consideration at the same [...]
CNC machining refers to a machining method that uses the digital information to control part and tool displacement on a CNC machine tool. It is an effective way to solve the problems of parts variety, small batch, complex shape and high precision and to realize high efficiency and automatic processing. The process rules of [...]
The product quality come out by production, not inspection. Only in the production process can be carried out in strict accordance with the requirements of the production process and operation instructions to ensure the quality of the product. However, this topic has always been the focus of debate in the corporate world: producers say [...]
CNC turn-milling combined machine refer to CNC machine tools that can complete both turning and milling. The machine was first used to process propellers, mainly to avoid the loss of precision and baseline caused by 2 times of clamping. CNC turn-milling combined machine is one of the main models of compound machine tools. In [...]
Performance appraisal in personnel management has good results no matter which industry is used. Good performance appraisal indicators have a great effect on mobilizing the enthusiasm of the work of the majority of employees, improving production efficiency, and completing production tasks according to the plan to ensure quality. Therefore, the reasonable formulation of performance [...]
In this era of high user experience, more and more mobile phones, notebooks, and wearable device manufacturers are beginning to exert their strength on the shell material. From the perspective of the mobile phone field, the material of the mobile phone shell is gradually transitioning from engineering plastics to metal. There have been many combinations during [...]
For more in-depth info than is covered here, look at the following: CNC basics To better understand the problems involved to successfully use your Rhino data for a CNC-controlled machining or cutting type operation, you need to understand the CNC process and how it works. Hopefully, this little primer will [...]
As an important application technology, the deburring method is also evolving with the development of science and technology. Floating deburring is an advanced technology developed in recent years. It is mainly used for machining difficult edges, corners, cross holes and irregular shape burrs. So, what are the advantages of floating deburring in machining? [...]
The plane machining with CNC machining center refers to the milling, drilling, reaming, boring and other machining processes on the plane workpiece; the three-dimensional machining refers to the processing of the solid surface under the control of the interpolation function of the CNC system of the machining center. The machining objects include complex curved [...]
As the master machine in machining production, the machine tool plays a vital role in the machining, so in the process of machining and production, the damage of the machine tool should be avoided. In the use of the machine tool, the operator often encounters the oil leakage issue. Then, what are the reasons [...]
For processing mold with machining centers, in order to achieve higher efficiency and accuracy requirements and better surface quality, it is necessary to choose from machine tools, shank selection, tool selection, reasonable CNC process plan, program generation, operator requirements, etc. Optimize in all aspects. High-precision high-speed machining center High-precision and high-speed [...]
In the CNC machining process, an important part of the process preparation is the planning of the tool path. The tool path refers to the trajectory of the tool relative to the workpiece. The purpose of the plan is to better avoid the interference between the tool and the workpiece. Whether the path planning [...]
Workers in the manufacturing industry are very hard. In addition to long-term, high-intensity labor, they also face adverse effects on various health conditions. Let's take a look at what are the main health hazards of the common types of processing in the manufacturing industry? And remind the workers of the processing and manufacturing industry to [...]
Is stainless steel a steel that will not rust? When there is brown rust on the stainless steel material you use, will you worry about the quality of the steel? In fact, this is a misunderstanding. Stainless steel will also rust under certain conditions. Strong anti-oxidation ability does not mean [...]
Both burrs and shock marks are common defects in the extrusion of aluminum profiles. Burr is the residual particles and very fine metal particles appear on the surface of metal parts, and shock mark is the relatively concentrated particles on the surface of the profile. The causes of burrs and shocks are multifaceted, and [...]
Since the widespread use of high-speed milling technology, there has been a point that high-speed milling can completely replace EDM. Is this really true? the answer is negative! High-speed milling and EDM technologies have their own characteristics, and the two cannot completely replace each other. This article will provide an in-depth analysis of the [...]
The burrs are found in metal casting, milling or electroplating processes, with scraps on the surface of the metal parts or very fine microscopic metal particles. The appearance of burrs will greatly reduce the quality standards of metal parts, so it should be prevented as much as possible, or try to remove burrs. Here [...]
Carburizing is a common process for heat treatment of metal surfaces. It is mostly used for low carbon steel or low alloy steel. The steel is placed in an active carburizing medium and heated to a high temperature of 900 to 950 degrees Celsius. After sufficient time, the activated carbon atoms in the carburizing [...]
A measuring tool is a tool that measures the size, angle, and curvature of a workpiece during machining or after inspection. There are many types of measuring tools, such as vernier calipers, spiral micrometers, universal angle rulers, needle gauges, lever dial indicator, gauges, feeler gauges and coordinate measuring instruments. Vernier caliper [...]
CNC machining is the most widely used machining method at present, and it is also the basic skill that every machining worker must master. After the start-up, workpiece clamping, workpiece hit count, preparation tool and processing parameters are set, it enters the start-up process. In this process, what precautions need to be noticed by the operator, [...]
For CNC machine shops, many managers say the costs are too high. These excessive costs include not only labor costs and material costs that change with market changes, but also waste of resources caused by improper management of business managers. Therefore, machine shop managers can achieve cost reduction by avoiding unnecessary waste. As an excellent [...]
Regardless of the industry in which it is engaged, management is one of the indispensable elements of an organization. This is especially true for mechanical processing plants. Since the field of machining is a labor-intensive industry, it is especially important for human management. This article will introduce some of the factors that are related [...]
When the tungsten steel milling cutter is milling, the cutting edge that participates in the cutting is long and has no free travel, so the productivity is high. There are many types of milling cutters, and their structures are different. The application range is wide. According to their applications, they can be divided into [...]
1. Surface quality problems of mechanicalproducts The quality of mechanical products is not only directly related to its performance, but also affects its service life. Generally speaking, the quality of mechanical products depends on two parts. The first is the quality of the processed parts. Some materials have their own flaw, such as easy [...]
There are many failure modes of parts, which can be classified into three types, excessive deformation, fracture and surface damage failure. Each type can be divided into several different situations. Here is mainly to share with you the form of excessive deformation failure. The so-called excessive deformation, that is, to [...]
With the development of the machining industry, more and more parts are produced by cold-moulding in production, and more and more types of cold-deformed molds are used. Cold volume die forging (cold enthalpy, cold extrusion, embossing, etc.); sheet metal stamping (such as drawing, blanking, trimming, punching, etc.); material rolling (cold rolling, rolling forming, etc.). [...]
As a mechanical design engineer, when the designed parts need to be heat treated, it is necessary to eliminate the casting stress of the material and improve the cutting performance, rigidity and wear resistance of the parts. Below we will introduce the method of heat treatment of the parts. 1. [...]
The machining error reflects the level of machining accuracy. For mechanical processing plants, to ensure the quality of the product, the first thing to do is to control the error in the processing. So, what are the common machining errors in actual production? Let's take a look at it in detail. 1. Manufacturing [...]
The mold manufacturing process is a complex process. From design, processing, assembly, commissioning to final real use, there are many factors affecting the quality of the mold throughout the life cycle, which requires the attention of the operator during the processing. What are the reasons that affect the quality of the mold? [...]
In the single-piece CNC machining, the blank is generally processed. Therefore, there will be interference of excess blank amount when the reverse machining is performed, and other tools are needed to meet the requirements. In the actual processing, although the ordinary reverse-side method can meet the requirements, there are problems such as cumbersome operation [...]
Turning is one of the most widely used in the machinery manufacturing industry. The number of lathes and worker are large, the processing range is wide, and the tools and fixtures used are numerous. Therefore, the safety technical problems of turning processing are particularly important. This article will give you a detailed introduction to the safety [...]
The occurrence of wear during machining is a common phenomenon in production. The reason may be due to various factors such as the material of the workpiece, the environment, and the processing method. Mechanical wear can adversely affect the processing quality, processing accuracy and processing efficiency of the product. Therefore, it is very important [...]
In machining, burrs are often generated during the process of cutting metal. The burrs not only have a serious impact on the accuracy and surface quality of the workpiece, but also affect its practical performance. In end milling, the formation of burrs is affected by many factors, which not only has a great relationship [...]
FRP is a thermosetting plastic product with epoxy resin as binder, glass fiber as filler and small amount of compounding agent. Its density is small and its specific strength is high. The main component is silicon oxide, which is formed by high-speed melting of glass after high-temperature melting, and its hardness and strength are [...]
In the process of mechanical production, stainless steel is often used in processing due to its corrosion resistance in the atmosphere or corrosive media. Stainless steel can be classified into chrome stainless steel and chrome nickel stainless steel according to chemical composition. According to its metallographic structure, it can be divided into martensitic stainless [...]
For manufacturing companies, rising raw materials, logistics, manpower and land and other related costs have made the company's survival and development difficult, and the profits that were previously proud are also declining now, which makes it survive in the cracks. Manufacturing companies have become more difficult. So, in the turning point of this industry [...]
It is easy to have safety accident in the process of machining due to some improper operation or equipment failure. Therefore, safety is very important in the production process. Most small and medium-sized mechanical processing plants often have some safety accidents and mechanical injuries due to non-standard safety management systems, inadequate safety operation procedures, incomplete [...]
In today's manufacturing companies, most of the production costs are spent on material procurement. In general, material costs account for more than 60% of the total cost. In the machinery, hardware manufacturing and other industries, material costs account for a large part, which resulting in lower corporate profits. Therefore, reducing material costs has become [...]
Nowadays, the mechanical processing market is facing increasingly fierce market competition. For some small and medium-sized mechanical processing plants, extensive factory management is no longer suitable for the development of the company. The quality of mechanical processing factory management directly affects the competitiveness and vitality of the company in the market. Therefore, for the [...]
With the development of science and technology, the machine tool has always been pursuing better quality and greater productivity, and will have certain improvements in terms of cutting power, structural static stiffness, processing accuracy, and production line automation. However, there are also many problems, such as the tremor of cutter that often plague CNC machining. [...]
In the process of metal processing, in order to achieve the purpose of rust removal and degreasing, the metal cleaner needs to be used to clean the metal. The metal cleaner is mainly composed of a surfactant added cleaning aid, a rust inhibitor, and a defoamer. It has strong cleaning and decontamination ability. This [...]
For a company, profits are always the most important. However, there are many items related to profits, and machine-processing companies often gain some by focusing on one of the item. However, in many cases, the focus of the company leaders seizing does not have any effect on company profits. Then, for the machining company, how can they maximize the [...]
The role of CNC machine in the field of mechanical processing is increasing. Because of the stable quality of this processing technology, it has good performance for small batches, many varieties, and high-precision parts, and meanwhile it is very reliable in ensuring the qualified rate of products. Therefore, it has been widely used in the [...]
For most mechanical processing plants, the use of the correct machining process has a great help in improving the surface quality of CNC machining. The correct processing methods are mainly including: 1. Rational design cut-in and out route When processing parts with CNC machine, the cut-in and out route should be designed to optimize [...]
In the field of machining, the choice of equipment has always been a very important thing. Equipment selection and usage will directly affect the quality of the production. For CNC machining, numerical control equipment selection is more important. This article will specifically introduce the CNC machining equipment selection methods. 1. the choice of machine [...]
Past mechanical processing industry is relatively closed and backward, many traditional enterprises are concerned about the leakage of products and technologies, so many enterprises reject outsourced production. With the development of modern production and the increase of the degree of complication, outsourced production management with technical content has become a trend of development. Therefore, [...]
During processing the workpiece, the choice of metal materials often has a direct impact on the results of processed products. Therefore, it is necessary to understand common metal materials and characteristics. Here we introduce the specific processing of steel materials commonly used in production. Processing steel materials commonly used are the following: #45 steel [...]
In the cutting process, the workpiece will has the direction of the elastic deformation because of cutting force, which is often appear in the cutter relieving phenomenon. For this tool deformation phenomenon, when finishing, it needs to keep the tool sharp, this can reduce friction between the tool and the workpiece to form a resistance, and improve the cutting tool [...]
The appearance of errors in machining is common, usually it is the deviation between the actual geometrical parameters and the ideal geometric parameters. The smaller the machining error, the higher the degree of conformity. The smaller the deviation, the higher the machining accuracy. Therefore, the error size of processing reflects the level of precision. Let's [...]
Laser cutting is widely used in the processing of metal materials, which can greatly reduce the processing time and cost. The working principle of this process is that the laser beam is focused on the material which makes the material surface melted and then use the laser beam coaxial compressed gas blow away the melted [...]
Select the cutting tool and determine the amount of cutting is very important in CNC machining process, it is not only related to the machining efficiency, but also directly affect the quality of the workpiece processing. Here I’d like to introduce how to choose CNC machining cutting tools, hope it is useful for you. [...]
During metal cutting process, the correct choice of cutting fluid can reduce cutting force, friction, and timely take away heat to reduce cutting temperature, reduce tool wear and tear, improve tool durability, improve workpiece surface roughness and ensure workpiece accuracy, to achieve the most Good economic results. This article will specifically introduce the role of [...]
The main reasons of processing size deviation When the workpiece is machined, the control signal is sent to the servo drive device through the digital operation of the CNC system. The servo motor is driven and rotated by the mechanical feed device, and produce relative motion between the workpiece and the cutter, meanwhile the actual [...]
The stamping process is a process in which the sheet is separated or shaped to obtain a part. Stamping is a metal processing method, which is based on the metal plastic deformation on the basis of the use of mold and stamping equipment to apply pressure on the sheet, the sheet material will has [...]
DO Machining, when making sheet metal parts, it is necessary to do surface treatment for the parts, like powder coated, electroplated, anodized, etc. Because some of the sheet metal materials have no anti-rust, anti-corrosion function, so we should do surface treatment to avoid rust, corrosion effect. In addition, surface treatment can also beautify the [...]
CNC milling machine can not only be able to process all kinds of parts which can processed by ordinary milling machine, but also can process more complex surface parts which can not be processed by ordinary milling machine. According to the characteristics of CNC milling machine, suitable for CNC milling machine common processing objects [...]
Rapid prototype means that on the premise of no mold opened, according to the product appearance drawings or structural drawings to make one or several functional models to check the appearance or structural rationality. Usually, newly developed or designed products need to do rapid prototype, it is the first step to verify the feasibility of the product. And it is [...]
Do you know some basic knowledge of mechanical processing? Such as common equipment, processing procedures, production types and precautions? Here we’d like to briefly introduce some knowledge, so that you can have a greater understanding of large-scale mechanical processing. 1. Mechanical processing of the common equipment Including cnc milling machine, cnc molding grinder, cnc lathe machine, [...]
Because aluminum material is easy to process, and has good visual effects and rich surface treatment methods, so it has been widely used in industry and daily life. Here we’d like to briefly describe six surface treatment methods of aluminum and aluminum alloy. 1. Sandblasting: The process of cleaning and roughening the metal surface with the [...]
Sheet metal processing Notes Metal sheet processing is called sheet metal processing. For example, chimneys, drums, fuel tank oil, ventilation pipes, elbow size head, funnel-shaped, the main process is cutting, buckling, bending, welding, riveting, etc. A certain geometric knowledge is needed. Sheet metal parts can be made through stamping, bending, stretching and other processes, the thickness of [...]
In order to help freshman to learn mechnical drawing quickly, we'd like to share the post for your reference. Definitely Worth Collecting. Mechanical Drawing Foundation The function and content ofpart drawing The functionof part drawing: Part working drawing is the basis for manufacturing and testing parts, which according to the position [...]
When you outsource your custom parts to be manufactured and want to cut costs, these five manufacturing cost cutting techniques are for you. Reduce Small Features Adding small divots, cuts and holes are very difficult to mill, adding costs for time and labor. Eliminate any unnecessary elements to your parts in order to reduce the [...]
