Water jet looms require rust and corrosion prevention treatment, as water environment and fiber friction can accelerate metal corrosion. The following are the key practical points:
Key rust prevention measures for cast iron frames
Ground moisture is prone to corrode the cast iron parts of the machine feet. Polish white rust spots with a wire brush every month, apply fast drying anti rust paint (red lead paint is the best), and sprinkle wood chips to absorb moisture before the paint layer dries. Fill the screw holes of the old weaving machine with butter to prevent rust penetration.
Anti electrochemical corrosion of stainless steel parts
Stainless steel nozzles and brackets in contact with carbon steel bolts can cause potential difference corrosion. During installation, use insulating rubber pads to separate dissimilar metals, and remove bolts every quarter to apply molybdenum disulfide paste. If rust spots are found, immediately wipe them with oxalic acid solution and avoid sanding with sandpaper.
Waterproof sealing of guide rail bearings
The guide rail slider is equipped with a pleated dust cover, and both ends are sealed with oil resistant silicone strips. Replace the oil injection hole with a spiral sealing cover, and rotate it half a circle every week to squeeze out the water. When there is moisture on the guide rail, use a hot air gun to bake it at low temperature and then apply high-temperature lubricating grease.
Spray moisture-proof coating on circuit board
Remove the electronic control board and spray it evenly with acrylic three proof paint (avoiding the radiator). The old mechanic heats and melts the paraffin wax, then brushes it onto the back of the board to form a waterproof film after cooling. Wear cotton gloves to prevent hand sweat erosion during handling.
Fiber channel anti-corrosion treatment
The surface of the yarn guide hook and the weft storage device in contact with the yarn is prone to sticking acidic slurry. Boil tea powder (oil tea seed residue) in water every week to scrub, and use natural saponin to remove dirt and rust. Wrap the metal edges with Teflon tape to reduce friction and corrosion.
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