Adorable and eye-catching appearance, making them stand out on store shelves.
Convenient for single-serving brewing, especially in offices or while traveling.
Often come in airtight packaging, which helps keep the tea fresh.
Cons:
Have a relatively small capacity, so they may not be suitable for heavy tea drinkers.
The shaping process may affect the integrity of the tea leaves to some extent.
Can be more expensive due to their elaborate packaging and production.
In conclusion, the choice of tea packaging shape depends on your personal preferences, usage habits, and priorities. Whether you value portability, brewing experience, collectibility, or freshness, there is a tea packaging shape out there that can meet your needs. Consider these factors when choosing your next batch of tea to ensure you get the best possible product.
Tea sealing machines play a crucial role in the tea packaging process. To ensure their optimal performance and longevity, proper maintenance is essential. Here are some key steps for the daily maintenance of tea sealing machines.
Cleaning: Regular cleaning is vital to keep the machine in good working condition. After each use, wipe down the exterior surfaces of the machine with a clean, damp cloth to remove any dust or debris. For the sealing area and other internal parts, use a soft brush or compressed air to remove tea leaves or residue. Avoid using harsh chemicals or abrasive materials that could damage the machine.
Lubrication: Proper lubrication helps reduce friction and wear on moving parts. Check the manufacturer's instructions for the recommended lubricants and lubrication points. Apply lubricant sparingly to the gears, chains, and other moving parts as needed. Regular lubrication not only extends the life of the machine but also ensures smooth operation.
Inspection: Perform regular inspections to identify any potential issues early on. Check for loose screws, worn-out parts, or signs of damage. Inspect the sealing element for any cracks or deformities. Make sure all electrical connections are secure and there are no frayed wires. If any problems are detected, address them promptly to prevent further damage.
Regular maintenance of tea sealing machines is crucial for several reasons. Firstly, it extends the lifespan of the equipment, saving you from costly repairs or replacements. Secondly, it ensures consistent packaging quality, preventing leaks or improper seals that could affect the freshness and quality of the tea. Additionally, well-maintained machines operate more efficiently, reducing downtime and increasing productivity.
In conclusion, taking the time to perform regular maintenance on your tea sealing machine is a wise investment. By following these simple steps of cleaning, lubrication, and inspection, you can ensure the longevity and reliability of your equipment, while also maintaining high-quality tea packaging.
Today, bridge mills are an indispensable tool for manufacturers in industries like aerospace, automotive, energy, and heavy machinery. Bridge mills are increasingly used as engineering designs become more complex and the need for enhanced stability, precision and flexibility to machine large and heavy workpieces to extremely tight tolerances continues. As a rigid overhead bridge structure with multi axis capabilities, bridge mills offer high precision cutting compared to traditional knee mills or gantry mills.
In this article, we will look at how bridge mills can produce continuous production of complex components that can’t be made with smaller machines. Whatever your R&D work or high volume manufacturing needs, bridge mills provide a flexible solution to maximize productivity and minimize errors.
What is a Bridge Mill?
A bridge mill uses a huge overhead bridge assembly to support the spindle and worktable instead of a column or gantry. The spindle is held as it moves in X, Y, and Z axes by the bridge as a rigid support arm and the worktable below is positioned relative to the cutting tool.
This overhead arrangement leaves the entire area beneath the bridge open for oversized parts and assemblies, allowing much larger workpieces than could fit on a traditional vertical mill. Bridge mills derive their name from the bridge-shaped beam that spans the work area.
The key components of a bridge mill are:
● Bridge - The large overhead beam that supports the spindle slide and provides damping against vibrations. It contains the mechanisms to position the spindle in X and Y.
● Spindle - The rotating shaft that holds the cutting tool. It is powered by a motor inside the spindle slide with up to 50 hp. High torque spindles allow fast removal of material.
● Table - The large stationary or moving platform that supports the workpiece. It provides a precision mounting surface and T-slot holds for clamps and fixtures.
● Column - A fixed vertical member at one end that helps support the bridge. The column may house controls or services.
● Saddle - The moving transverse component mounted to the underside of the bridge. It positions the spindle slide in the Y-axis across the width of the table.
● Spindle Slide - The carriage assembly that traverses back and forth along the bridge in the X-axis, positioning the spindle over the workpiece.
Compared to gantry or knee mills, bridge mills are significantly heavier and bulkier, with a main bridge that is much more rigid thanks to its continuous cast iron or welded steel overhead design. This mass and stability is crucial for absorbing cutting forces and dampening vibration that could compromise precision.
The rigid construction also minimizes deflection of the spindle during aggressive material removal, enabling much tighter tolerances. When machining large components made of tough materials like steel or titanium, the stability of a bridge mill is vital to achieve chatter-free results. Their overhead configuration also allows practically unlimited workpiece sizes.
Types of Bridge Mills
Bridge mills are available with different axis configurations and levels of automation to suit a wide range of applications:
2-Axis Bridge Mills
The simplest bridge mill design has two linear axes allowing motion in the X (longitudinal) and Y (transverse) directions. This provides positioning of the workpiece beneath the spindle for basic 2D operations like facing, drilling, boring, and end milling of flat surfaces. While limited in versatility, 2-axis bridge mills are an affordable option for high-volume production of large but basic parts, as their range of motion is sufficient for straightforward machining.
3-Axis Bridge Mills
A 3-axis bridge mill adds a Z-axis that raises and lowers the spindle vertically. This permits angled milling operations like helical interpolation, allowing the machining of bevels, tapers, contours, and angled features. The additional axis provides the ability to machine in 3 dimensions instead of just 2. Manufacturers gain greater flexibility to produce more complex components with a 3-axis bridge mill.
5-Axis Bridge Mills
On a 5-axis bridge mill, the spindle head tilts and rotates on two additional rotary axes in addition to moving linearly in X, Y, and Z. This enables the spindle to approach the workpiece from practically any orientation rather than just vertically. 5-axis motion facilitates high-precision machining of complex 3D surfaces and contours in a single setup, saving tremendously on time and cost. Many aerospace and impeller components require 5-axis milling due to their intricate blended or sculpted geometries.
Automated Bridge Mills
Modern computer numerical control (CNC) bridge mills allow all machining operations to be precisely programmed ahead of time. This allows push-button automation of repetitive cutting procedures with minimal operator intervention. The computer control precisely choreographs and executes tool paths for mass production. Automated tool changers, pallet changers, and robotic part load/unload systems can further enhance productivity for lights-out manufacturing across multiple shifts.
Key Features and Components of Bridge Mills
Massive Work Area
The cantilevered overhead design of a bridge mill leaves the entire area beneath the spindle open for oversized parts and assemblies. Common table sizes range from 5 x 10 ft up to 20 x 60 ft for gigantic components weighing over 100 tons. Huge motors drive the table through precision roller or hydrostatic ways. This expansive work zone minimizes setups by allowing batch machining of multiple large parts or entire weldments in a single fixture.
Rigid Bridge Assembly
Weighing up to 100,000 lb, the continuous overhead bridge utilizes a rigid box-way construction that resists deflection and damps vibration far better than jointed column or gantry mills. This stability prevents tool chatter, allows heavier cuts, and enables highly accurate motion of the spindle carriage across wide spans. Even minimal vibration can degrade precision and surface finish.
Powerful Spindles
High torque spindles up to 50 hp are common on bridge mills to power through hard alloys and remove material quickly from large parts. Higher rotational speeds up to 15,000 rpm provide ideal cutting speeds for optimized tool life and surface finish. The spindle cartridge is preloaded for thermal stability and minimal runout.
Precise Positioning
Ballscrews on the X, Y, and Z axes have high lead precision for accurate positioning and repeatability within 0.001”. Backlash is eliminated through preloading. Precision ground box ways or linear guides maintain tight geometrical tolerances when moving heavy components.
Multi-axis Capability
Optional rotary axes expand the range of possible milling operations by allowing angled cuts and 5-axis interpolated motion. Tilting the spindle facilitates machining of complex 3D contours, sculpted surfaces, and intricate blade geometries in a single setup.
Automated Features
Bridge mills equipped with CNC, tool changers, pallet shuttles, robotic part handling, automatic lubrication, and more enable lights-out manufacturing for maximum productivity. Hundreds of parts can be machined without operator intervention across multiple shifts.
Applications of Bridge Mills
Aerospace Industry
Aircraft construction relies on large monolithic components like wings, frames, and bulkheads milled from aluminum, titanium, or composites. Landing gear, turbines, transmission housings, and other assemblies also demand high precision. Bridge mills offer the work envelope and accuracy needed for these high-value aerospace components with delicate instrumentation.
Automotive Industry
Automakers machine engine blocks, cylinder heads, crankshafts, transmission cases, axles, wheels, and body components from large steel or aluminum castings and weldments. Bridge mills maintain tight tolerances on these heavy parts while removing material quickly. Their high rigidity suits the noisy environment.
Heavy Machinery
Massive excavator booms, bulldozer track links, hydraulic cylinders, press frames, and other oversize parts require stable bridge mills to withstand vibrations inherent in heavy machining. They excel at removing substantial material from thick castings and fabrications.
Mold Making
Larger injection molds, die cast dies, and foundry patterns demand the precision of bridge mills to accurately produce contoured cavities without distortion. Their work volume readily accommodates even enormous 400-ton plastic or metal molds. Tight process control optimizes molded part quality.
Energy Industry
Turbines, compressors, reactors, valves, offshore platform components, and more leverage the long travels and precision of bridge mills during manufacturing. The mills maintain quality standards for these expensive parts operating in extreme conditions.
Benefits of Using Bridge Mills
Precision
The stability provided by the rigid overhead bridge enables extremely tight tolerances, even when machining large parts from vibration-prone materials like titanium or nickel alloys. Chatter is avoided, allowing smooth, accurate cuts.
Versatility
Available in different sizes and with varying axis configurations, bridge mills can handle a wider range of materials and part geometries compared to smaller mills. Their heavy-duty build allows machining everything from stainless steel to composites.
Cost Savings
While bridge mills require a greater upfront investment, they maximize productivity and minimize operating costs on large components. Their ability to consolidate several operations in one setup saves tremendously on fixtures, tooling, programming, and quality inspections.
Improved Throughput
Continuous cuts across expansive work zones result in shorter cycle times. Pallet changers and part loading/unloading automation further boost throughput for high-volume production across multiple shifts, improving asset utilization.
Reliability
Industrial bridge mills are built for round-the-clock operation in harsh conditions. They stand up to heavy use with minimal downtime. Many operate reliably for decades after proper installation, maintenance, and training.
How to Choose the Right Bridge Mill
Workpiece Size
Consider current and future maximum part dimensions to ensure the mill will accommodate them with room for fixturing and tooling. A too-small machine will severely limit capability.
Axis Configuration
The type and complexity of required milling operations determines the ideal number of axes. 5-axis mills offer the most application flexibility and reduce setups through multisided machining but are costlier.
Spindle Power
Ample spindle power prevents slowdowns or stalling when removing substantial material. Higher torque spindles with 15,000+ rpm allow faster hogging and finishing feeds/speeds. Ensure power meets demands.
Precision Standards
More expensive machines generally offer greater accuracy through more precise ballscrews, way quality, vibration dampening, and thermal stability. Evaluate precision needs carefully.
Automation Plans
Consider pallet changers, robotic part handling, tool changers, CNC programming, and other automation upfront rather than difficult retrofitting later. This optimizes lights-out production.
Service and Support
Reliable local service and technical support will maximize uptime and productivity. Ensure the machine builder has a proven reputation for quality and customer care.
Common Challenges with Bridge Mills
Vibration Control
Excessive vibration during heavy duty milling can cause chatter, accuracy issues, poor surface finish, and reduced tool life. Careful fixturing, balanced tooling, adaptive feed control, and smooth ramping of spindle speed help mitigate vibrations.
Thermal Effects
Frictional heat during machining causes components to expand, altering dimensions. Chillers and coolant systems counteract thermal growth. CNCs can also compensate by altering cutter paths based on temperature sensors.
Tool Wear
Abrasive alloys quickly degrade cutting tools. Advanced tool materials, coatings, proper selection of speeds/feeds, and indexed inserts all help combat wear. In-process gauging can automatically adjust for loss of tool diameter.
Maintenance Needs
Bridge mills have thousands of moving components requiring regular lubrication, inspection, and service for optimal reliability. Skilled technicians should track and perform preventative maintenance.
Space Constraints
Bridge mills have massive footprints, heights, and weights demanding substantial floor space, reinforced foundations, and rigging equipment. Facilities must carefully plan layouts to accommodate their bulk.
Future Trends in Bridge Mill Technology
Automation and AI Integration
Smart machine monitoring with artificial intelligence promises even greater productivity through predictive maintenance, troubleshooting, adaptive control, and automated inspection. The mills will become self-optimizing.
Multi-tasking Capability
Next-generation bridge mills will incorporate turning, grinding, drilling, tapping, and other capabilities on one platform for complete production of complex parts in a single setup. Hybrid machine tools will continue gaining traction.
Advanced Materials
More manufacturers are adopting hard-to-machine materials like titanium, Inconel, and composites. Future spindles, tools, programming, and controls will be optimized for these exotic materials.
Sustainable Design
Eco-friendly lubrication systems, intelligent sleep modes, hybrid drives, and through-spindle coolant will be incorporated for energy and fluid efficiency. Bridge mills are getting greener.
Conclusion
Bridge mills with their huge work areas, superb stability and multi axis flexibility allow manufacturers to increase precision, productivity and agility when making large complex parts. They are leaders in optimizing output, quality and consistency for critical aerospace, automotive and heavy industry parts.
Bridge mills are a greater upfront investment, but the long term savings of reduced setups, improved workflow and increased throughput are huge. Bridge mills will only grow in strategic importance as engineering components become bigger and more sophisticated. Strong consideration should be given by companies seeking to maximize manufacturing capabilities, capacity, and competitiveness to the use of bridge mills. Their advantages are unique, enabling manufacturers to do what is not possible on smaller machines.
Curved guides andlinear guidesare two common types of guides. Both have support and guidance functions. Both can transfer the energy of movement to the receiving end to achieve stable movement. So what is the difference between the two?
From a structural point of view, linear guides are in the shape of a straight line, and they play a role in positioning, supporting and guiding in the movement of machinery and equipment. Curved guides are a special circular structure that is widely used in hardware, automation and precision mechanical equipment, and can maintain the axis position of relative movement unchanged.
From the perspective of motion trajectory, the movement mode of linear guides is linear motion driven by balls. The contact area between the balls and the guide grooves is small, so that the surface of the guide is evenly stressed and has a long life cycle. The arc guide realizes movement by the rolling of the balls on the curved surface of the guide. The curved surface of the guide bears a larger contact area, so the load capacity is higher than that of linear guides.
From the application point of view, linear guides are widely used in CNC machine tools, semiconductor equipment, medical equipment and other fields due to their linear motion characteristics. They can provide high-precision, high-rigidity and low-friction motion control, and are suitable for high-speed and high-precision linear motion requirements.
Curved guides are more suitable for occasions that require curved motion or circular interpolation, such as robots, aerospace equipment, precision measuring instruments, etc. They can achieve smooth curved motion and precise circular interpolation, improving the motion performance and positioning accuracy of the equipment.
The above is the difference between linear guides and circular guides. When choosing guides, users in the machinery industry should choose the appropriate guide form according to the specific usage scenarios and needs to ensure the stability and reliability of the mechanical equipment.
Acore Filtration Co.,Ltd sales two sets of DVTP Vacuum Transformer Oil Treatment Machine to Algeria, one is 3000L/H and another is 12000L/H machine. Both machines install the weather-proof canopy for water and dust protection. Meanwhile, the client also buy two sets of portable oil filter cart for oil filling and transferring. The main functions of transformer oil are insulation, cooling, and arc extinguishing. However, transformer oil can be contaminated and oxidized during prolonged use, especially after exposure to air, which can affect its performance. Therefore, oil purification processing is a key measure to ensure the normal operation of the transformer and extend its service life.
The main purpose of oil purification processing is to remove impurities such as moisture, gases, and solid particles from transformer oil to restore its insulation properties and cooling effect. Generally, the Transformer Oil Treatment Machine includes vacuum oil purification for dehydration and degassing, oil filtering for removing particles and regeneration for removing acid and color.
In addition to regular Oil Purification Processing, there are a few precautions that can be taken to extend the life of your transformer oil. For example, maintaining the sealing performance of the transformer to prevent the ingress of external contaminants and moisture; Regularly check the oil level and oil temperature of the transformer to ensure that it is within the normal working range; As well as regular maintenance and maintenance of transformers, timely detection and treatment of potential problems.
How long the transformer oil needs to be filtered is a complex issue that needs to be considered comprehensively according to the actual situation. By regularly monitoring the performance of the oil, taking appropriate precautions, and carrying out timely oil purification processing, the stable operation of the transformer and the extension of its service life can be ensured. At the same time, it is also very important for the operation and maintenance personnel of the power system to understand and master the performance of transformer oil and its treatment methods. Only in this way can we ensure the safe and reliable operation of the power system and provide a solid power guarantee for the development of social economy.
Acore Filtration Co.,Ltd manufactures and sales a set of DVTP100(6000 liters per hour) Double Stages High Vacuum Transformer Oil Purification Machine to client in Canada, the client bought a set of DVTP100 machine in 2023 and was very satisfied with quotation machine, so he buy the machine again in 2024. The client is a transformer manufacturer, they do transformer oil purification after they install the transformers at site.
DVTP100 Transformer Oil Filter Machine can quickly remove water, gas and impurities in the insulating oil, reduce dielectric loss, and improve the insulation performance and oil quality of the oil. It can effectively ensure the normal operation of power equipment and avoid accidents. Meanwhile, the Transformer Oil Filter Machine can meet the installation or maintenance site of the transformer body vacuuming, and at the same time complete the oil dehydration and degassing processing of the transformer oil, which shortens the oil processing period. the oil dehydration plant integrates precision filtration, efficient dehydration, degassing, vacuum three-dimensional evaporation technology and automatic control technology of oil, which is simple to operate, safe and reliable in operation.
DVTP Transformer Oil Dehydration Plant also adopts high filtration precision, large dirt holding capacity, can remove fine suspended particulate matter in oil. Its unique degassing and dehydration materials, the evaporation area is hundreds of times larger than that of conventional materials.This Transformer Oil Filter Machine has the characteristics of high efficiency, easy to move and is especially suitable for live operation on site. DVTP Transformer Oil Dehydration Plant also adopts advanced oil temperature controlling system, which can arbitrarily set the upper and lower limits of oil temperature to achieve interval control of oil temperature. High degree of automation, automatic control and automatic protection of oil level guarrantee safe and reliable, simple and convenient operation of transformer oil purification machine.
The effectiveness and safety of drugs have attracted much attention, and it is also a livelihood issue that the country and the government attach great importance to. The stability of drugs will affect the efficacy and safety. In order to ensure the quality of drugs and storage containers, stability tests should be performed to determine their effective time and storage state. Stability test mainly studies whether the quality of drugs is affected by environmental factors such as temperature, humidity and light, and whether it changes with time and the correlation between them, and studies the degradation curve of drugs, according to which the effective period is presumed to ensure the effectiveness and safety of drugs when used. This article collects the standard information and test methods required for various stability tests for customers' reference.
First, drug stability test criteria
Storage conditions of drugs:
Storage conditions (Note 2)
Long-term experiment
25℃±2℃ / 60%±5%RH or
30℃±2℃ /65%±5% RH
Accelerated test
40℃±2℃ / 75%±5%RH
Middle test (Note 1)
30℃±2℃ / 65%±5%RH
Note 1: If the long-term test condition has been set at 30℃±2℃/65% ±5%RH, there is no middle test; if the long-term storage condition is 25℃±2℃/ 60% ±5%RH, and there is a significant change in the accelerated test, then middle test should be added. And should be assessed against the criteria of "significant change".
Note 2: Sealed impervious containers such as glass ampoules can be exempted from humidity conditions. Unless otherwise determined, all tests shall be carried out in accordance with the stability test plan in the interim test.
The accelerated test data should be available for six months. The minimum duration of the stability test is 12 months for the middle test and the long-term test.
Store in refrigerator:
Storage conditions
Long-term experiment
5℃±3℃
Accelerated test
25℃±2℃ / 60%±5%RH
Stored in freezer:
Storage conditions
Long-term experiment
-20℃±5℃
Accelerated test
5℃±3℃
If the product containing water or solvents that may be subject to solvent loss is packaged in a semi-permeable container, the stability assessment should be conducted under low relative humidity for a long period of time, or an middle test of 12 months, and an accelerated test of 6 months, in order to prove that the drug placed in the semi-permeable container can withstand the low relative humidity environment.
Containing water or solvents
Storage conditions
Long-term experiment
25℃±2℃ / 40%±5%RH or 30℃±2℃ /35%±5% RH
Accelerated test
40℃±2℃;≤25%RH
Middle test (Note 1)
30℃±2℃ / 35%RH±5%RH
Note 1: If the long-term test condition is 30℃±2℃ / 35%±5%RH, there is no middle test.
The calculation of the relative water loss rate at a constant temperature of 40℃ is as follows:
Substituted relative humidity (A)
Control relative humidity (R)
Water loss rate ratio ([1-R]/[1-A])
60%RH
25%RH
1.9
60%RH
40%RH
1.5
65%RH
35%RH
1.9
75%RH
25%RH
3.0
Illustration: For aqueous drugs placed in semi-permeable containers, the water loss rate at 25%RH is three times that of 75%RH.
Second, Drug stability solutions
Common drug stability test criteria
(Source: Food and Drug Administration, Ministry of Health and Welfare)
Item
Storage conditions
Long-term experiment
25°C /60% RH
Accelerated test
40°C /75%RH
Middle test
30°C/65%RH
(1) Wide temperature range test
Item
Storage conditions
Long-term experiment
Low or sub-zero temperature conditions
Accelerated test
Room temperature and humidity or low temperature conditions
Electric Vehicle Component Reliability Test Solution
In the trend of global warming and gradual consumption of resources, automotive gasoline is also sharply reduced, electric vehicles are driven by electric energy, reducing the heat of internal combustion engine, carbon dioxide and exhaust gas emissions, for energy saving and carbon reduction and improve the greenhouse effect plays a huge role, electric vehicles are the future trend of road transportation; In recent years, the world's advanced countries actively develop electric vehicles, for thousands of components composed of complex products, its reliability is particularly important, a variety of harsh environments are testing the electronic system of electric vehicles [battery cell, battery system, battery module, electric vehicle motor, electric vehicle controller, battery module and charger...], Hongzhan Technology for you to sort out electric vehicle related parts reliability test solutions, hope to be able to provide customers with reference.
First, different environmental conditions will have different effects on parts and cause them to fail, so the parts of the car need to be tested according to the relevant specifications to meet international requirements and meet the foreign market, the following is the correlation between different environmental conditions and product failure:
A. High temperature will make the product aging, gasification, cracking, softening, melting, expansion and evaporation, resulting in poor insulation, mechanical failure, mechanical stress increase; Low temperature will make the product embrittlement, icing, shrinkage and solidification, mechanical strength reduction, resulting in poor insulation, cracking mechanical failure, sealing failure;
B. High relative humidity will make the product poor insulation, cracking mechanical failure, sealing failure and resulting in poor insulation; Low relative humidity will dehydrate, embrittlement, reduce mechanical strength and lead to cracking and mechanical failure;
C. Low air pressure will cause product expansion, electrical insulation deterioration of the air to produce corona and ozone, low cooling effect and lead to mechanical failure, sealing failure, overheating;
D. Corrosive air will cause product corrosion, electrolysis, surface degradation, increased conductivity, increased contact resistance, resulting in increased wear electrical failure, mechanical failure;
E. Rapid temperature changes will cause local overheating of the product, resulting in cracking deformation and mechanical failure;
F. Accelerated vibration damage or impact will cause the mechanical stress fatigue resonance of the product and lead to an increase in structural damage.
Therefore, products need to pass the following climatic tests to test the reliability of components: Dust (dust) test, high temperature test, temperature and humidity storage test, salt/dry/warm recovery test, temperature and humidity cycle test, immersion/seepage test, salt spray test, low temperature test, thermal shock test, hot air aging test, weather and light resistance test, gas corrosion test, fire resistance test, mud and water test, dew condensation test, high variable temperature cycle test, Rain (waterproof) test, etc.
The following are the test conditions for automotive electronics:
A. IC and interior lights for locomotives,
Recommended model: vibration of the comprehensive chamber
B. Instrument panel, motor controller, Bluetooth headset, tire pressure sensor, GPS satellite positioning system, instrument backlight, interior light, exterior light, automotive lithium battery, pressure sensor, motor and controller, automotive DVR, cable, synthetic resin
Recommended model: constant temperature and humidity test chamber
Second, automotive electronic parts are divided into three categories, including IC, discrete semiconductor, passive components three categories, in order to ensure that these automotive electronic components meet the highest standards of automotive safety. The Automotive Electronics Council(AEC) is a set of standards AEC-Q100 designed for active parts (microcontrollers and integrated circuits...)and AEC-Q200 designed for passive components, which specifies the product quality and reliability that must be achieved for passive parts. AEC-Q100 is the vehicle reliability test standard formulated by the AEC organization, which is an important entry for 3C and IC manufacturers into the international auto factory module, and also an important technology to improve the reliability quality of Taiwan IC. In addition, the international auto factory has passed the safety standard (ISO-26262). AEC-Q100 is the basic requirement to pass this standard.
1. List of automotive electronic parts for A.EC-Q100: Automotive disposable memory, Power Supply step-down regulator, Automotive photocoupler, three-axis accelerometer sensor, video jiema device, rectifier, ambient light sensor, non-volatile ferroelectric memory, power management IC, embedded flash memory, DC/DC regulator, Vehicle gauge network communication device, LCD driver IC, Single power Supply differential Amplifier, Capacitive proximity switch Off, high brightness LED driver, Asynchronous switcher, 600V IC, GPS IC, ADAS Driver Assistance System Chip, GNSS Receiver, GNSS front-end amplifier...
B. Temperature and humidity test conditions: temperature cycle, power temperature cycle, high temperature storage life, high temperature working life, early life failure rate;
2. List of automotive electronic parts for A.AC-Q200: automotive grade electronic components (compliant with AEC-Q200), commercial electronic components, power transmission components, control components, comfort components, communication components, audio components.
B. Test conditions: high temperature storage, high temperature working life, temperature cycle, temperature shock, humidity resistance.
The full horizontal air supply system from right to left with large air volume is adopted, so that all specimen cars and specimens on the test are charged and divided, and the heat exchange is completed evenly and quickly.
◆ The utilization rate of test space is as high as 90%
◆ The special design of "uniform horizontal air flow system" of ESS equipment is the patent of Ring measurement.
Patent number: 6272767
◆ Equipped with air volume regulation system
◆ Unique turbine circulator (air volume can reach 3000~ 8000CFM)
◆ Floor type structure, convenient loading and unloading of tested products
◆ According to the special structure of the tested product, the box suitable for installation is used
◆ The control system and refrigeration system can be separated from the box, which is easy to plan or do noise reduction in the laboratory
◆ Adopt cold balance temperature control, more energy saving
◆ Equipment adopts the world's top brand Sporlan refrigeration valve with high reliability and long life
◆ The refrigeration system of the equipment adopts thickened copper pipe
◆ All the strong electric parts are made of high temperature resistant wires, which has higher safety
Heat pipe technology is a heat transfer element called "heat pipe" invented by G.M. rover of Los Alamos National Laboratory in 1963, which makes full use of the principle of heat conduction and the rapid heat transfer properties of the refrigeration medium, and transfers the heat of the heating object quickly to the heat source through the heat pipe. Its thermal conductivity exceeds that of any known metal. Heat pipe technology has been widely used in aerospace, military and other industries, since it has been introduced into the radiator manufacturing industry, making people change the design idea of the traditional radiator, and get rid of the single heat dissipation mode that simply relies on high air volume motor to obtain better heat dissipation effect. The use of heat pipe technology makes the radiator even if the use of low speed, low air volume motor, can also get satisfactory results, so that the noise problem plagued by air cooling heat has been well solved, opening up a new world in the heat dissipation industry.
Heat pipe reliability test conditions:
High temperature stress screening test: 150℃/24 hours
