Overview
JM-V paint film abrasion instrument is a special instrument for wear resistance performance testing produced by RONGJIDA brand. The instrument is manufactured in strict accordance with GB/T1768-2006 and other standards. It is equipped with different turntable components and abrasion wheels for paint film and wood testing to achieve dual-use testing. The instrument is driven by a stepper motor to avoid the influence of voltage fluctuations and displays working parameters through the LCD screen. It has the characteristics of accurate measurement, simple operation and reliable performance.
Features
1. The stepper motor is used to avoid the change of Rotation speed caused by the fluctuation of grid voltage, and the detection performance is reliable and stable.
2, programmable control, equipped with high resolution LCD screen.
3, with information breakpoint protection and fault query function.
4. Wide range of applications, Coating paints, paper plastics, Spinning & weaving products can be applied.
Principle
The JM-V paint film abrasion instrument contacts the specimen sample mounted on the horizontal turntable through two abrasion abrasive wheels at a certain distance, and makes the central axis of the two abrasive wheels not in the same plane as the central axis of the turntable. When the turntable swirl/spin, the left abrasive wheels generate friction from the outside to the center of the sample, and the right abrasive wheels generate friction from the center to the outside, so as to form a series of mesh-like intersecting ring friction marks on the surface of the sample. This arrangement makes the surface of the sample subject to friction in all directions, avoids the directional defect of one-way friction, and makes the abrasion evaluation more objective.
Applications
Laboratory testing of various Coating paints wear resistance performance, paper, plastic, Spinning & weaving products, decorative boards, etc
Standards
GB/T1768-2006、GB/T17657、GB/T15036.2、GB/T15102、GB/T18102、GB/T4893.8、ISO7784.2
Steps
1. Preparation work before starting: correct the level, make sure that the switch is plugged in after the "off" position (the ground wire needs to be connected); connect the vacuum cleaner and adjust the height of the vacuum nozzle; install abrasion abrasive wheels; install the required load weight on the front end of the pressure arm; install the test plate and fix it; add the equilibrate weight (equilibrate Nominal Mass = abrasive wheels weight - pin weight 20g) on the end pin of the pressure arm.
2. Operation of paint film abrasion instrument: turn on the power switch, instrument self-test; LCD display Operating interface; use the "Rotation speed selection" key to adjust the Rotation speed (default 60rpm); enter the set number of turns through the number key, press the "Run" key to start the test; the turntable automatically runs and counts, and automatically stops and alarms after reaching the set number of turns, and adds 1 to the accumulated number of times; during operation, you can press the "Stop" key to pause, and then press the "Run" key to continue.
Notice
After use, first cut off the power supply, then clean the instrument and cover it well.
(2) If not used for a long time, the abrasive wheels should be removed and put away.
(3) The instrument needs to be overhauled and refueled once every one to two years.
