Get to know the load-displacement curve test for buttons and switches with this comprehensive guide. Learn how to make sure your products pass the industry standards? Understanding load-displacement curves is essential to tensile testing and knowing how to interpret them correctly can help you accurately measure stress and strain. Determine optimum levels of stress and strain when analyzing load-displacement curves with our helpful and easy-to-follow guide. Get started now!
This load-displacement curve test machine is suitable for the load-displacement curve test of various buttons and switches. It uses WINDOWS Chinese window to set in writing. The operation is simple and convenient, and all data can be stored (test conditions, load diagrams, test results, inspection reports.. ..etc). The load displacement curve tester is driven by a servo motor, which can provide high-precision load-displacement measurement. You can get completely accurate button and switch curve test.
The load displacement test machine from Wewon Tech is suitable for the load-travel curve test of various keys and switches. It is set by using the WINDOWS Chinese window screen. The operation is simple and convenient, and all data can be stored, (such as test conditions, load curves, test results, inspection reports. .etc). The load-displacement curve test machine for buttons and switches is driven by a servo motor, which can provide high-precision load-stroke measurement.
|●||Test Load Type: 2KGF, 500GF|
|●||Minimum Display Load: 0.01GF|
|●||Maximum Test Stroke: 100mm|
|●||Minimum Display Stroke: 0.01mm, 0.001mm (Optional)|
|●||Measuring Speed Range: 0- 100mm/min|
|●||Transmission Mechanism: Ball Screw|
|●||Equipment Drive Motor: Servo Motor|
By the way, The load and displacement controlled testing equipment is a versatile and powerful tool used to gather accurate data when testing materials. This type of equipment allows users to apply various forces and displacements to the test material over an extended period of time, which can be used for fatigue testing, impact testing, and more.
How to Center Buttons and Switches for the Test ? It’s important to make sure that your buttons and switches are properly centered before running a load-displacement curve test. This helps to accurately measure the force and displacement for product design. Start by centering the contact section of the switch or button on a specific test point with an adjustable jig, then lock it in place with screws. Once the switch is situated, use a linear displacement transducer to record its position and document the data.
The load-displacement curve test measures the force and displacement requirements during product use, making sure that your buttons and switches remain within standards. To measure this, the transducer records the data from up to nine points of pressure during a displacement cycle. This helps to better identify any issues with design tolerances or specifications in order to make sure your button or switch passes industry standards.
|●||The Measurement Graph Is Memorized by The Computer, Which Can Be Zoomed in and Out at Any Time, And N Graphs Can Be Placed Arbitrarily On A Piece Of A4 Paper.||Equipment Features|
|●||The Upper and Lower Limit Specifications Can Be Input For The Measurement Items, And The Measurement Results Can Be Automatically Judged as OK or NO.|
|●||The Maximum Measured Stroke and Load Can Be Input, Computer Automatically Controls It. Load Unit Display N, IB, GF, KGF Can Be Switched Freely|
|●||Peak Force, ReturnForce, Distance and Click rate can all be directly displayed on the graph without manual calculation.|
|●||The Computer Directly Prints and Stores The Load-Travel Graph And Inspection Report. (No Graph Paper Is Required, A4 Paper Is Usually Enough)|
|●||The Test Data Is Stored in The Hard Disk (Each Data Can Be Stored, Unlimited Times)|
|●||The Test Conditions Are All Set by The Computer Screen (Including Test Stroke, Speed, Times, Air Pressure, Pause Time, etc.)|
|●||The Title of The Inspection Report Can Be Modified At Any Time (Both Chinese And English)|
Before you begin the test, you need to know the expected limits of your buttons and switches. This includes information about actuator force, displacement travel, preload forces and any other applicable information. Once you have these values, you can properly prepare for and execute the load-displacement curve test. To do so, measure the force of the actuator while slowly moving it in a forward and backward direction until all points at which movement changes are identified. Record these points in order to draw an accurate conclusion relevant to industry standards.
Load-displacement curves provide valuable insight into how a material behaves under a particular loading condition. They allow for the interpretation of a range of physical variables, including displacement, stress, strain and the slope of the curve. To accurately interpret load-displacement curves, it is essential to understand the physics behind them, such as Hooke’s Law and Young’s Modulus. Being able to understand these concepts will help you calculate levels of stress and strain.
When analyzing a load-displacement curve, look for two essential regions – the optimal displacement zone and the yield/ultimate region. The optimal displacement zone is located between the upper and lower plateaus of a load-displacement curve. This area demonstrates that the material is within an acceptable range of stress and strain for a given application. On the other hand, the yield or ultimate region is when the load exceeds or drops below certain limits and fails due to exceeding a certain level of stress or strain. Knowing how to accurately identify these areas will help you in gaining valuable information about how the material will react in any given application over time.
It is important to identify faults or issues with either the material being tested or the test equipment itself when interpreting load-displacement curves. If the load in the displacement curve does not reach its expected level, this could indicate that either the material is not performing optimally under load or that there is a fault with the testing equipment. When verifying for faults, look for any irregularities in both the upper and lower plateaus of a load-displacement curve as these can indicate an issue with either component. With proper knowledge and experience, you can gain valuable insights into your material’s performance.
Load and displacement controlled testing equipment is used to investigate the properties of materials by measuring their response to applied forces. By providing an adjustable load or displacement, the machine can accurately measure and monitor deformations, strains, stresses, energies, and contact properties experienced by the test material during operation. This data provides information about a material’s strength, stiffness, durability and other characteristics that can be used in product design and evaluation.
To obtain the most precise and accurate results from your load and displacement controlled testing equipment, there are a few tips you should follow. Before running tests, double check to make sure that all sensors and actuators are properly set up. Additionally, it’s important to ensure that the test piece is secured against any unwanted motion while being tested as any observation of physical movement would create incorrect data. Lastly, be sure to also consider temperature changes which can affect the accuracy of your results. If possible, try to isolate the testing environment from outside temperature fluctuations. Following these simple steps will help to ensure accurate results and more reliable data when using load and displacement controlled testing equipment.