What Types Materials Design Applications of CNC Main Parts?

 

Introduction

In the landscape of modern manufacturing, CNC (Computer Numerical Control) parts have emerged as the cornerstone of precision and efficiency. Their importance cannot be overstated, as they play a pivotal role in enhancing production processes across a vast array of industries.

One of the primary contributions of CNC parts is the dramatic improvement in production efficiency. Traditional manufacturing methods often involve manual operations, which are not only time - consuming but also prone to human errors. In contrast, CNC parts are produced with the aid of computer - controlled machines. Once the program is set, these machines can run continuously, producing parts at a much faster rate. For Yigu Technology example, in a large - scale automotive manufacturing plant, CNC - produced engine components can be manufactured in a fraction of the time it would take using traditional machining methods. This not only speeds up the overall production cycle but also allows for higher production volumes, meeting the growing demands of the market.

Precision is another area where CNC parts truly shine. These parts can be manufactured with tolerances as low as a few micrometers. In industries such as aerospace, where the slightest deviation in part dimensions can have catastrophic consequences, this level of precision is non - negotiable. A CNC - machined turbine blade for an aircraft engine, for instance, must have exact dimensions to ensure optimal performance and safety. The high precision of CNC parts also reduces the need for post - production finishing and rework, saving both time and resources.

Types of Materials for CNC Main Parts

The choice of materials for CNC main parts is a crucial factor that significantly impacts the performance, functionality, and cost - effectiveness of the final products. Different materials possess unique properties, making them suitable for specific applications. Here, we explore the main types of materials used in CNC parts, including metals, plastics, and ceramics.

Metals

Metals are widely used in CNC machining due to their high strength, durability, and excellent mechanical properties.

Steel

Steel is an alloy primarily composed of iron and carbon, with small amounts of other elements. There are different types of steel, such as carbon steel and alloy steel, each with its own set of characteristics.

• Carbon Steel: Carbon steel contains a relatively simple composition mainly of iron and carbon. Low - carbon steel (with a carbon content less than 0.25%) is known for its good formability and weldability. It is often used in applications where a combination of strength and ease of processing is required, such as in the manufacturing of sheet metal components for automotive bodies. Medium - carbon steel (carbon content between 0.25% - 0.60%) offers a balance of strength, hardness, and toughness. It is commonly used in the production of machine shafts, gears, and bolts in the mechanical manufacturing industry. High - carbon steel (carbon content above 0.60%) is extremely hard and strong, making it suitable for applications like springs and cutting tools.
• Alloy Steel: Alloy steel has additional alloying elements such as chromium, nickel, molybdenum, etc., added to improve its properties. For example, stainless steel, a type of alloy steel with a high chromium content, is highly resistant to corrosion. It is extensively used in the food and beverage industry for equipment like tanks and pipes, as well as in the medical industry for surgical instruments. Alloy steels with nickel and molybdenum are often used in high - stress applications in the aerospace and automotive industries, such as in the production of engine components. Steel's advantages include high strength, good toughness, and relatively moderate cost. Its high strength allows it to withstand heavy loads and mechanical stress, making it suitable for applications where structural integrity is crucial. In the automotive industry, steel is used to make engine blocks, chassis components, and transmission parts. In mechanical manufacturing, it is the material of choice for constructing heavy - duty machinery frames and gears.

Aluminum

Aluminum is a lightweight metal with a density of about one - third that of steel. It has excellent corrosion resistance, especially when it forms a thin oxide layer on its surface. Aluminum is also highly malleable and ductile, making it easy to machine.

• Applications in Aerospace: In the aerospace industry, weight reduction is of utmost importance to improve fuel efficiency and increase payload capacity. Aluminum alloys, such as 2024 - T4 and 7075 - T6, are commonly used. 2024 - T4 has good fatigue resistance and is used in aircraft fuselage components, while 7075 - T6, known for its high strength - to - weight ratio, is used in aircraft wings and landing gear parts.
• Applications in Electronics: In the electronics industry, aluminum is used for heat sinks due to its high thermal conductivity. It can effectively dissipate heat generated by electronic components, ensuring their stable operation. For Yigu Technology example, the outer casings and heat - dissipating components of laptops and high - performance CPUs often use aluminum materials.

Copper

Copper is a metal with excellent electrical and thermal conductivity. It also has good corrosion resistance in many environments.

• Applications in Electrical Equipment: Copper is the material of choice for electrical wiring, connectors, and circuit boards in electrical equipment. Its high electrical conductivity allows for efficient transmission of electrical current, reducing energy losses. In power transformers, copper windings are used to transfer electrical energy with minimal resistance.
• Applications in Cooling Systems: In heat exchangers and cooling systems, copper's high thermal conductivity makes it ideal for quickly transferring heat. For example, copper pipes are commonly used in automotive radiators and industrial cooling towers to dissipate heat efficiently.

more What Types Materials Design Applications of CNC Main Parts?

How CNC Subcontract Machining Benefit Services Industries?

 

Introduction

Understanding CNC Subcontract Machining

CNC, short for Computer Numerical Control, subcontract machining is a manufacturing process where a company outsources the production of parts to a specialized CNC machining service provider. This involves using computer - controlled machine tools, such as mills, lathes, and routers.

The basic principle is simple yet highly effective. First, a 3D model of the part is created using Computer - Aided Design (CAD) software. Then, this design is translated into a set of instructions, called G - code, which the CNC machine can understand. The machine reads these instructions and precisely manipulates the cutting tools to remove material from a raw workpiece, gradually shaping it into the desired part. For Yigu Technology example, if you need a complex - shaped aluminum bracket for a piece of equipment, the CAD model will detail every curve and hole. The CNC machine will follow the G - code derived from this model, accurately drilling holes, milling slots, and turning the edges to create the perfect bracket.

The Significance in Service Industries

Service industries, which include sectors like healthcare, aerospace, and automotive, rely heavily on high - precision components. CNC subcontract machining plays a crucial role in these industries. In healthcare, for instance, surgical instruments and prosthetics require extreme precision to ensure patient safety and effectiveness. A slight deviation in the shape or size of a prosthetic hip joint can cause discomfort or even failure. In the aerospace industry, where components need to withstand high - stress environments, CNC - machined parts offer the reliability and precision necessary for flight safety. In automotive manufacturing, the demand for mass - produced, high - quality parts is met efficiently through CNC subcontract machining. It serves as the backbone for these service industries, enabling them to produce products that meet strict quality standards, and this is why understanding its benefits is so important.

Precision and Quality Assurance

Unparalleled Precision

CNC subcontract machining offers precision that is hard to match with traditional manufacturing methods. CNC machines can achieve extremely tight tolerances. For Yigu Technology example, in high - end CNC machining, the tolerance can be as precise as ±0.0001 inches. This level of precision is crucial in industries such as aerospace, where a component might need to fit perfectly within a complex assembly to ensure the safety and efficiency of an aircraft. In a study by the Aerospace Industries Association, it was found that over 90% of aircraft - critical components that require a tolerance of less than 0.001 inches are produced using CNC machining.

Medical device manufacturing is another area where precision is non - negotiable. Implants like knee and hip replacements must be made with extreme accuracy to ensure patient comfort and proper functionality. A deviation of even 0.001 inches in the dimensions of a hip implant could lead to issues such as uneven wear, pain for the patient, and potentially the need for revision surgery. CNC machining ensures that these implants are made to the exact specifications required, reducing the risk of complications.

Consistent Quality Output

When it comes to quality consistency, CNC subcontract machining outperforms traditional methods, especially manual processing. Consider the following comparison between manual machining and CNC subcontract machining in terms of quality stability:

Aspect	Manual Machining	CNC Subcontract Machining
Dimensional Accuracy	Varies greatly depending on the skill of the operator. Can have a tolerance range of ±0.01 - 0.1 inches.	Highly consistent, with a tolerance often within ±0.0001 - 0.001 inches.
Surface Finish	Inconsistent. Surface roughness can vary from part to part, and may require additional finishing steps.	Uniform surface finish. Advanced CNC machines can produce a surface finish with a roughness value (Ra) as low as 0.1 - 0.8 microns without extensive post - processing.
Repeatability	Difficult to achieve exact replication of parts. Each part may have slight differences in shape and size.	Excellent repeatability. Once the CNC program is set up, the machine can produce identical parts with minimal variation.

For example, in the automotive industry, where thousands of identical parts need to be produced for vehicle assembly, CNC - machined parts ensure that each component fits perfectly, reducing the risk of assembly line issues and improving the overall quality and reliability of the vehicle. A car manufacturer may produce tens of thousands of engine blocks annually. With CNC subcontract machining, they can be confident that each engine block has the same high - quality finish and dimensional accuracy, leading to better engine performance and fewer warranty claims.

Cost - Efficiency

Reducing Labor Costs

One of the significant cost - saving aspects of CNC subcontract machining is its ability to reduce labor costs. Traditional machining processes often rely heavily on skilled manual labor. For example, in manual milling, an operator needs to constantly monitor and adjust the machine during the entire machining process. This not only requires a highly trained operator but also means that the operator can only work on one machine at a time.

In contrast, CNC machines are automated. Once the program is set up, the machine can run unattended for long periods. A single operator can oversee multiple CNC machines simultaneously. A study by the Manufacturing Institute found that in a typical manufacturing facility, the use of CNC machines can reduce the labor force required for machining operations by up to 50%. This reduction in labor not only cuts down on the cost of salaries and benefits but also minimizes the risk of human - error - related rework, which further saves costs.

Minimizing Material Waste

CNC technology is highly precise in material cutting, which significantly reduces material waste. Consider a scenario in the production of small metal brackets for electronic devices. In traditional machining, the operator may have to make rough cuts first and then gradually refine the shape. This often leads to over - cutting, where more material is removed than necessary.

However, with CNC machining, the machine follows the exact cutting path defined in the CAD model. For instance, a CNC laser cutting machine can cut a sheet of metal with an accuracy of up to 0.1 mm. This precision ensures that the amount of material removed is minimal and exactly as per the design requirements. A case study by a leading electronics manufacturer showed that after switching to CNC subcontract machining for their metal parts production, they were able to reduce material waste by 30%. This reduction in waste directly translates into cost savings, as less raw material needs to be purchased over time.

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What Future Trends Innovations in CNC Machining Services?

 

Introduction

The Backbone of Modern Manufacturing

In the dynamic realm of modern manufacturing, CNC Machining Services stand as the cornerstone, driving precision, efficiency, and innovation. Computer Numerical Control (CNC) machining has transcended from a revolutionary concept to an indispensable element across industries, from aerospace and automotive to medical and consumer electronics.

The essence of CNC machining lies in its ability to translate digital designs into tangible, highly accurate components. Through pre - programmed computer software, CNC machines execute a series of complex operations with a level of precision that was once unimaginable in traditional machining. For Yigu Technology instance, in aerospace, where the tolerance margins for engine components are as narrow as a few microns, CNC machining ensures that each part meets the exacting standards, guaranteeing the safety and efficiency of aircraft.

As technology hurtles forward at an unprecedented pace, the landscape of CNC machining services is ripe for transformation. New trends and innovations are emerging, promising to reshape the way we manufacture, and it is these exciting developments that we will explore in depth throughout this article.

Technological Advancements

5 - Axis and Multi - Axis Machining

In the realm of CNC machining, the evolution from 3 - axis to 5 - axis and multi - axis machining represents a quantum leap. Traditional 3 - axis machining, which operates along the X, Y, and Z linear axes, has long been the standard in the manufacturing industry. It is highly effective for producing relatively simple parts with flat surfaces and straightforward geometries. For example, in the production of basic automotive components like simple brackets, 3 - axis machining can efficiently mill and drill to create the necessary shapes.

However, 5 - axis machining, which adds two additional rotational axes (usually A and B or A and C), unlocks a new dimension of manufacturing possibilities. The principle behind 5 - axis machining is to enable the cutting tool to approach the workpiece from any angle, allowing for the creation of highly complex 3D geometries in a single setup. This is particularly crucial in industries such as aerospace, where components like turbine blades demand intricate designs with curved surfaces and precise angles.

Let's take a look at a comparison between 3 - axis and 5 - axis machining in the following Yigu Technology table:

Comparison Items	3 - Axis Machining	5 - Axis Machining
Complexity of Parts	Suitable for simple parts with flat or prismatic geometries	Capable of machining highly complex parts with curved surfaces, undercuts, and intricate 3D contours
Precision	Generally has a tolerance of around ±0.03 mm	Can achieve much higher precision, often with a tolerance as low as ±0.005 mm
Number of Setups	Multiple setups are often required for multi - sided or complex parts, which may introduce cumulative errors	Allows for one - time setup for most parts, reducing setup - related errors and improving overall accuracy
Surface Finish	Results in a surface roughness typically in the range of Ra 1.6 - 3.2 µm	Can achieve a much smoother surface finish, with a surface roughness of Ra 0.4 - 0.8 µm
Production Efficiency	Longer production times due to multiple setups and limited tool access angles	Significantly shorter production times as it can complete multiple operations in one setup and maintain optimal cutting conditions throughout the process

As shown in the table, 5 - axis machining has distinct advantages over 3 - axis machining in terms of handling complex parts, enhancing precision, and improving production efficiency. In fact, according to industry data, 5 - axis machining can reduce production time by up to 50% for complex parts compared to 3 - axis machining, while also improving the surface finish quality, which is crucial for applications where aerodynamics or aesthetics play a vital role.

Integration of AI and Machine Learning

Artificial Intelligence (AI) and Machine Learning (ML) are making significant inroads into the world of CNC machining, revolutionizing the way manufacturing processes are optimized and managed. AI and ML algorithms are designed to analyze vast amounts of data, identify patterns, and make intelligent decisions, all of which can be harnessed to enhance CNC machining operations.

One of the key applications of AI and ML in CNC machining is predictive maintenance. By continuously monitoring the performance data of CNC machines, such as spindle speed, cutting force, vibration, and temperature, AI - powered systems can predict when a machine component is likely to fail. For example, Siemens has implemented a machine - learning - based predictive maintenance system for its CNC machines. This system analyzes sensor data in real - time and uses historical data to identify early signs of potential failures. As a result, Siemens has reported a reduction in unplanned machine downtime by more than 30%, leading to increased productivity and cost savings.

Another area where AI and ML are making a difference is in the optimization of machining parameters. These technologies can analyze factors such as the type of material being machined, the geometry of the part, and the cutting tool characteristics to determine the optimal cutting speed, feed rate, and depth of cut. A study by the International Journal of Production Research found that companies that implemented AI - driven machining parameter optimization saw an increase in machining efficiency of up to 20%. This not only reduces production time but also extends the lifespan of cutting tools, further lowering production costs.

In addition, AI can be used for real - time quality control. Machine - learning algorithms can analyze images or sensor data from the machining process to detect defects or deviations from the desired specifications immediately. For instance, Ford uses AI - based vision systems in its CNC machining operations to inspect automotive parts for surface defects. This has led to a significant reduction in the defect rate, improving the overall quality of the final products.

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How to effectively solve the common defects in mold processing

 

Understanding the Prevalent Defects in Mold Processing

Mold processing is a complex and precise manufacturing process, yet it is often plagued by various defects. These defects not only undermine the quality of the molds but also have a negative impact on production efficiency and overall product performance. Here are some of the most common defects encountered in mold processing:

• Flash: Flash, also known as burrs, is a thin, excess material that forms around the edges of the mold. This defect occurs when the mold's parting surfaces do not fit together perfectly, allowing molten material to seep out during the injection or casting process. Flash not only affects the appearance of the final product but also requires additional post - processing steps, such as trimming or grinding, to remove. These extra steps increase production time and costs, and if not removed properly, flash can also cause problems during assembly, leading to misalignment or poor functionality of the finished product.
• Air Voids: Air voids, or porosity, are small pockets of air trapped within the mold cavity during the molding process. They can be caused by improper venting, high injection speeds, or the presence of moisture in the raw materials. Air voids weaken the structural integrity of the mold and the final product, making them more susceptible to cracking or breakage. In products where strength and durability are crucial, such as automotive parts or aerospace components, air voids can be a critical defect that renders the product unfit for use.
• Sink Marks: Sink marks are shallow depressions that appear on the surface of the molded part. They are typically caused by uneven cooling or shrinkage of the material during the solidification process. When the material cools faster in some areas than others, it shrinks more, resulting in a sink mark. Sink marks not only affect the aesthetics of the product but can also indicate underlying issues with the mold design or processing parameters. In applications where a smooth surface finish is required, such as consumer electronics or household appliances, sink marks can significantly reduce the product's marketability.
• Warpage: Warpage refers to the distortion or bending of the molded part from its intended shape. It is often caused by uneven cooling, excessive internal stresses, or improper mold design. Warpage can occur during the cooling phase of the molding process, as the material contracts and solidifies. If the mold does not allow for uniform cooling or if the material experiences uneven stress distribution, the part may warp. Warped parts can be difficult to assemble, and they may not meet the required dimensional tolerances, leading to functionality issues and potential product recalls.
• Short Shots: A short shot occurs when the molten material does not completely fill the mold cavity, resulting in an incomplete or under - filled part. This defect can be caused by insufficient injection pressure, low material temperature, or blockages in the runner system. Short shots not only result in wasted materials and production time but also require rework or scrapping of the defective parts. In high - volume production environments, short shots can significantly impact production efficiency and cost - effectiveness.

These common defects in mold processing can have far - reaching consequences for manufacturers, including increased production costs, reduced product quality, and potential customer dissatisfaction. Understanding the causes and effects of these defects is the first step towards implementing effective solutions to prevent and address them.

Strategies for Effective Resolution

Precision in Design

Optimizing mold design is fundamental to preventing defects. A well - designed mold can significantly reduce the occurrence of common issues such as flash, air voids, and warpage. For example, in a case of a plastic injection mold for manufacturing automotive interior components, the initial design had a complex parting surface that was difficult to align precisely. This led to a high incidence of flash, which not only increased post - processing costs but also affected the product's aesthetics.

By using advanced computer - aided design (CAD) software, the design team redesigned the mold. They simplified the parting surface, ensuring a more accurate fit between the mold halves. Additionally, they optimized the gating system to improve the flow of the molten plastic into the mold cavity. As a result, the flash problem was almost completely eliminated, and the production efficiency increased by 30%. This case clearly demonstrates that a rational mold design, with careful consideration of factors like parting surface design, gating system layout, and draft angles, is crucial for defect - free mold processing.

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Can reducing mold processing defects improve workpiece performance?

 

Understanding Mold Processing Defects

Types of Defects

Mold processing defects can be categorized into several types, each with its own characteristics and causes. Surface defects are often the most visible. These include scratches, which can occur during the machining process due to improper tooling or handling. For example, if the cutting tool has a dull edge, it may dig into the mold surface, creating scratches. Another surface defect is roughness. A rough surface can be a result of insufficient polishing or problems with the molding material. When the material does not flow smoothly during the molding process, it can leave a rough texture on the surface of the workpiece.

Dimensional deviation is another major type of defect. This refers to the situation where the actual dimensions of the molded part do not match the designed dimensions. It can be caused by factors such as thermal expansion during the molding process. Different materials have different coefficients of thermal expansion. If the mold and the material expand at different rates, it can lead to dimensional inaccuracies. Additionally, mold wear over time can also contribute to dimensional deviation. As the mold is used repeatedly, the surfaces may gradually wear down, causing changes in the shape and size of the cavity, and ultimately resulting in parts with incorrect dimensions.

Internal defects like porosity (the presence of small holes or voids inside the part) and shrinkage marks are also common. Porosity often occurs when air is trapped inside the mold during the filling process. This can be due to improper venting in the mold design. Shrinkage marks, on the other hand, are caused by the natural contraction of the material as it cools and solidifies. If the material cools unevenly, some areas may shrink more than others, leaving visible marks on the surface.

Impact on Workpiece Performance

These defects have a significant negative impact on the performance of the workpiece. Strength reduction is a common consequence. For instance, pores and cracks in the workpiece act as stress concentrators. When a load is applied to the part, these defects can cause the stress to be concentrated in these areas, leading to premature failure. Research has shown that parts with porosity can have a strength reduction of up to 30% compared to defect - free parts.

Reduced lifespan is another major issue. Surface defects such as scratches can accelerate the corrosion process. The exposed metal at the scratch site is more vulnerable to chemical reactions with the environment. Over time, this can lead to the formation of rust or other forms of corrosion, weakening the part and shortening its useful life. In addition, dimensional deviations can affect the proper functioning of the part in an assembly. If a component does not fit correctly due to incorrect dimensions, it can cause excessive wear and tear on other parts in the system, reducing the overall lifespan of the entire assembly.

In the case of products used in high - performance applications, such as aerospace or automotive industries, these defects can be even more critical. A small defect in an aircraft component, for example, could potentially lead to catastrophic failure during flight. Therefore, reducing mold processing defects is not only about improving the quality of the product but also about ensuring safety and reliability in various applications.

Factors Contributing to Mold Processing Defects

Mold Design Flaws

Poor mold design is a primary cause of processing defects. One common issue is improper runner design. The runner system in a mold is responsible for guiding the molten material into the cavity. If the runner diameter is too small, it can lead to high pressure drops and uneven material flow. For example, in a plastic injection molding process, a narrow runner may cause the plastic to cool down prematurely before filling the entire cavity, resulting in short shots (where the part is not completely formed). Research has shown that in about 30% of injection molding defect cases, runner - related design flaws are a contributing factor.

Another aspect is the draft angle, also known as the Demolding Angle. A small or incorrect draft angle makes it difficult for the molded part to be ejected from the mold. When the draft angle is insufficient, the part may stick to the mold surface during ejection, causing surface scratches, deformation, or even breakage. A standard draft angle for most plastics is typically around 0.5 - 2 degrees, depending on the material and the complexity of the part. If the draft angle is set at less than 0.5 degrees, the risk of ejection - related defects can increase significantly.

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Does the mold need to sort out data for archiving after testing?

 

Importance of Data Sorting after Mold Testing

Ensuring Quality Control

Sorting out data after mold testing is crucial for maintaining high - quality standards in production. By analyzing the data, manufacturers can detect subtle patterns and anomalies that might indicate potential issues with the mold. For example, data on the dimensional accuracy of the molded products can reveal if the mold is starting to wear out. A study by a leading automotive parts manufacturer found that by closely monitoring and analyzing mold test data, they were able to reduce the defect rate of their plastic - molded components from 5% to 1.5% within a year.

The data can also provide insights into the performance of different mold materials and manufacturing processes. For instance, if the data shows that a particular batch of molds made from a new material has a higher failure rate during testing, it signals the need to re - evaluate the material selection or the manufacturing process for that material. This kind of data - driven decision - making helps in proactively addressing quality issues, reducing the number of defective products, and ultimately saving costs associated with rework and waste.

Regulatory Compliance

In many industries, there are strict regulations regarding the documentation and reporting of manufacturing processes, and mold testing data is no exception. For the aerospace industry, the Federal Aviation Administration (FAA) requires companies to maintain detailed records of all manufacturing processes, including mold testing, for the lifespan of the aircraft. This ensures that the parts used in aircraft construction meet the highest safety and quality standards.

Medical device manufacturers are also subject to rigorous regulations. The European Union's Medical Device Regulation (MDR) mandates that companies keep comprehensive data on the design, development, and testing of molds used in medical device production. Failure to comply with these regulations can lead to severe consequences. A well - known medical device company was fined $5 million when it was found that they had incomplete and inaccurate mold testing data, which put patient safety at risk.

By sorting and archiving mold testing data, companies can easily demonstrate compliance during audits and inspections. This not only helps in avoiding costly fines and legal issues but also builds trust with regulatory bodies and customers alike.

Historical Record for Future Improvements

The data collected from mold testing serves as a valuable historical record that can drive continuous improvement in mold design and manufacturing. Comparing data from different test periods allows manufacturers to identify trends in mold performance over time. For example, a plastics manufacturing company noticed that over a period of five years, the average lifespan of their injection molds was decreasing. By analyzing the historical data, they discovered that a change in the production environment (an increase in humidity levels) was contributing to the premature wear of the molds. They were then able to implement environmental control measures, which increased the mold lifespan by 30%.

There are also many success stories of companies using historical data to optimize their molds. A leading consumer electronics manufacturer had been struggling with high - reject rates in the production of their smartphone casings. By going through years of mold testing data, they identified a correlation between the cooling time in the molding process and the occurrence of surface defects. They adjusted the cooling time based on this finding, which reduced the reject rate by 40% and significantly improved the overall quality of the product. This historical data is like a goldmine of information, guiding companies to make informed decisions for better mold performance and product quality.

Key Data to be Sorted and Archived

Mold Performance Metrics

Mold performance metrics are crucial for evaluating the effectiveness and efficiency of a mold. Here are some key metrics that need to be sorted and archived:

Mold Type	Mold Life (Cycles)	Production Efficiency (Parts per Hour)	Product Qualification Rate (%)
Injection Mold A	500,000	120	95
Injection Mold B	400,000	100	92
Compression Mold A	300,000	80	90
Compression Mold B	250,000	70	88

Mold life represents the number of production cycles a mold can endure before significant wear or failure occurs. A longer mold life indicates better durability and cost - effectiveness. For example, Injection Mold A with a mold life of 500,000 cycles is more durable than Injection Mold B with 400,000 cycles.

Production efficiency is measured by the number of parts produced per hour. Higher production efficiency means more products can be manufactured in a given time, reducing production costs. Injection Mold A, which can produce 120 parts per hour, is more efficient than Injection Mold B that produces 100 parts per hour.

The product qualification rate is the percentage of products that meet the quality standards. A high qualification rate is essential for ensuring customer satisfaction. Injection Mold A has a 95% product qualification rate, which is better than Injection Mold B's 92% rate.

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