|
Letter 5033
Truck frame painting
.
We are looking out for a cost effective coating process for
replacing the existing AED process for truck frames ( max frame size
-12 m long , cap- 100,000 frames / annum). Autophoretic process is
being considered as a likely replacement. Could any body help us with
the following info :
a)details of autophoretic installations processing truck frames
and the experience with respect to cost & quality.
b)Maximum size of frames being processed
c) Any other alternative process for frame painting being
processed with autophoretic critical issues to be considered while
opting for the above.
subhas mallik
telco - Pune, Maharashtra, India
.
We have lot of experience in engineering coating plants for large
structures (up to 24 m) a.o. truck frames. Processes used are:
Pretreatment: blasting, Fe or Zn phosphate, electrodip paint,
autophoretic coating.
Coatings: liquid as well as powder. Largest automotive parts
presently coated with ACC I know of is Landrover plant in Turkey.
Parts up to approx. 6 m in length. In our region actually several
plants are coating truck frames. Capacity up to 25 pcs/shift.
Best regards

Remmelt Bosklopper
- Enschede, The Netherlands
.
The autophoretic process is special process marketed by a major
chemical company. The equipment for the autophoretic at process can
be manufactured by companies approved by the chemical company.
Electrocoating is another means of coating truck and auto frames. In
the USA the method used by most of the frame manufacturing companies
is electrocoat. The equipment for this process can be manufactured by
many companies.
In some speciality shops the preferred method of painting truck
and car frames is powder coating. Equipment for powder coating is
also available from many companies. I can not provide more process
details in this forum.
Tyrone L. Caley
- Jefferson City, Missouri
|
+
WE OFFER SUITABLE PHOSPHATING SYSTEM CHEMICALS, AND A
FINAL DRY-FILM RUST PREVENTIVE COATING. WE INVITE YOU TO
WRITE, PHONE, OR FAX TO US FOR MORE INFORMATION. REGARDS.
HAPPY, CORROSION-FREE NEW YEAR TO ALL OF YOU!
March 4, 2009
Commercial aspects:
I'm sure that ACC866 meets the automotive industry
Quality performance on other hand it reduces the total
coating cost .
you can simply contact Henkel to receive cost
comparison
Technically
frame coating process is divided into pre cleaning which
depends up on the surface condition the ACC Coating, rinse
then reaction rinse and curing the process could be
summarized as follows
1- spray rinse ( if the surface is highly rusted )
2- Dip Alkaline Cleaning
3- tap water rinse
4- Pickling ( if the surface required )
5- Tap Rinse
6- Neutralization ( in case you are using Acid Pickling
)
7- Tap Rinse
8- Spray Rinse
9- D.I Rinse
10- ACC Coating
11- Tap Rinse
12- Reaction Rinse
13- Oven ( Curing )
kindly note that the surface condition strongly affect on
the Stage Numbers
where if your work package contain corrosion Fe+++ you will
need to Acid pickling which in turn will require a rinsing
and neutralization then Rinse again .
where as if your surface needn't Pickling you are going to
reduce 4 Stage
on other hand you may upgrade your current plant to use ACC
Khaled El-Deep
coating service - Cairo, Egypt

-
-
|
|
|
 |