How do you test for stiffness?
Ring stiffness test machine is widely used in the determination of thermoplastic pipe and FRP pipe with annular cross section, which meets the requirements of PE double arm bellows, winding pipe and various pipe standards, and can complete the test of pipe ring stiffness, ring flexibility, flat, weld stretch and so on. It has key speed regulation, test force shift digital display, and has automatic protection functions of peak maintenance, damage automatic shutdown, over-current and overload.
Test Standard
ISO 9969 "Thermoplastics pipes -- Determination of ring stiffness” ISO 9969 is applicable to the testing of PE double-arm corrugated pipes, spiral pipes and various pipe standards, and can complete pipe ring stiffness, ring flexibility, flatness, weld tensile tests, etc.
ISO9967 "Thermoplastics pipes -- Determination of creep ratio“
Main Feature
1. This machine is meets the requirements of PE double arm bellows, winding pipe and various pipe standards, and can complete the test of pipe ring stiffness, ring flexibility, flat, weld stretch etc.The machine adopts four-column frame type double space structure; pull up and press down
2. The speed regulation system adopts servo speed regulation system and servo motor, the performance is stable and reliable, with overcurrent, overvoltage and overload mechanical protection device.
3. The transmission part adopts circular arc synchronous tooth belt, precision ball screw secondary transmission, smooth transmission, low noise, high transmission efficiency.
4. The universal joint adopts the cross pin structure, and has the function of pendulum angle limit, on the one hand, it is easy to clamp the sample, to ensure that the test is concentricdegree, on the other hand, eliminates the effect of irregular samples on the sensor.
5. Equipped with a special ring stiffness deformation measurement device to make the deformation results more accurate.
6. The three models are suitable for the pipe diameter below φ1000mm, φ2000mm and φ3000mm.
How do you test for stiffness?
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