1. Technological process of production.
feeding→alkaline degreasing→electrolytic degreasing→water
rinsing→pickling→water rinsing→electroless nickel plating→water rinsing→passivation→water
rinsing→hot water rinsing→drying→put down
2. Solution preparation
electroless nickel plating solution: Ni2+ 5.0-6.5g/L
PH 4.4-5.0
Temperature 85-95℃
Time 10-15 minutes
3.Application
Cars: cylinders, gears, shock absorbers, brake pistons, radiators,
etc.
Aerospace: rocket and satellite components, valves, stamping
pistons, etc.
Chemical processing: mixing blades, filtration devices, heat
exchangers, pump casings, impellers, etc.
Oil and natural gas: plugs, gates, balls, and other valve
components, pipe fittings, barrels, pumps, packers, etc.
Plastic manufacturing: Injection mold construction and mould, low
mold and blow molding of plastic parts, rollers, extruders, etc.
Textiles: machine parts, threaded guides, spinnerets, printing
rollers, etc.
Food and medicine: food mold, food processing machinery parts,
capsule machinery mold, etc.
Home appliances: mobile phones, computers, laptops, refrigerators,
televisions, air conditioners, etc.
4. Common faults and solutions
| Common faults | Cause of occurrence | Solution |
| Slow sedimentation rate | Low nickel ion content | Adjust to within the process range |
| Low pH value | Adjusting the pH value |
| Low temperature | Raise the temperature to within the process range |
| Aging of plating solution | Replace the solution |
| Uneven or inadequate coating | Uneven temperature | Stir the solution |
| Pretreatment not done well | Strengthen pre-treatment |
| Parts collide or hang improperly | Pay attention to reasonable installation and frequent shaking of
parts |
| Roughness and peeling of the coating | High temperature and large fluctuations | Reduce the temperature and control it within the specified range |
| Pretreatment not done well | Strengthen pre-treatment |
| Granular impurities in the solution | Filtered solution |
| Dark powder on the coating | Decomposition of sodium hypophosphite | Replace the solution |
5. Packaging & Shipping
We can pack it by pallet, or according to the customers' specific
requirements.
Port: Shanghai/Ningbo
6. Our Services
In order to guarantee the customers are able fully to operate the
machine, if the customer need, we can help customer training,
includes:
(1) Correct operating mode
(2) Correct maintenance way
(3) Correct technological process control
(4) Remove simple problem
All the plating machine of our company have already been widely
used in plating area.
Any doubt please contact us.
