Main issues

Causes

Solution

Surface pollution

Powder in spraying cabinet

Periodically cleaning

Pollution

Make the part cleaning

Cycle air pollution

Spraying powder area isolation

Air contraction pollution

Check the air contraction system

Broken sieve

Replace sieve

Un-working sieve

Mend or replace sieve

Powder pollution

Jam of sieve

Clear or replace sieve

Check air humidity

Check pulse

Jam of dust catcher

Check sieve

Use contraction air to clear powder cabinet

Refer to handbook

Unreasonable spraying gun

Adjust spraying gun

Ventilation causes powder excursion

Reduce air exhaust

Block of air flow

Check air flow valve

Check fireproofing system

Deficiency of air exhaust

Check or adjust

Reclaiming powder pollution

Uncleaning reclaiming

Clearing as requiring

Broken sieve of reclaiming system

Mend or replace sieve

Powder feculency

Periodically clearing hangers

Part pollution

Check pre process

Air pollution of factory

Spraying powder area isolation

Air flow vibration

Too speedy air flow

Contact supplier

Powder reclaiming rate lower than standard

Deficiency of air exhaust

Refer to issues 2#

Bad system seal

Check and maintain

Too much thin powder

Contact factory and powder supplier

Jam of dust helmet

Too much spraying powder amount

Contact factory and powder supplier

Too much thin powder

Contact factory and powder supplier

Too much thin powder

1, Contact powder supplier

2, Adjust granularity

3, Reduce powder amount

4, Reduce the charge of dust catcher. But it may reduce the productivity.

5, Periodically check dust catcher

6, Periodically clearing

Inadequate type of dust catcher

Outdated operation of dust catcher

Contact factory

Inadequate air pressure of dust catcher

Set as recommended conditions of factory

Jam by too much thin powder

Add new powder

Dust catcher pollution