1、 FORD LABORATORY TEST METHODBO 160-04Date Action Revisions 2004 01 30 Revised Revised the settings and procedure section A. Weakly 2001 04 10 Revised Editorial no technical change A. Cockman 1992 01 22 Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 2 RESISTAN
2、CE OF PAINTED PLASTIC PARTS TO HIGH PRESSURE CLEANING OPERATIONS Application This procedure defines the test equipment and test method for the resistance of painted plastic parts (e.g., bumper bars, mirror housings, radiator grills) against high pressure cleaning processes. Equipment Required High P
3、ressure Cleaning Equipment: Cleemax serial 1053 Source: Pearson Panke Equipment Ltd, 1-3, Hale Grove Gardens, London NW7 3LR Great Britain. Or equivalent instrument suitable to provide the required temperature, pressure and flow rate of water, with a fixed or moving head. Jet type QVVA 2506 Source S
4、praying Systems Company See the website http:/ for the local agent. Or equivalent. Scriber type: See FLTM BI 106-1 Settings Method A, fixed jet: Jet position Perpendicular to specimen Water temperature, 70 C +/- 2 C Distance of nozzle to specimen 50mm +/-3mm Water pressure, 3000 +/-50 kPa Testing ti
5、me 60 seconds, +/- 3 seconds Water flow rate 420 litres/hour minimum FORD LABORATORY TEST METHODBO 160-04Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 Method B, moving jet. Jet position Perpendicular to specimen Water Temperature 80 C +/- 4 C Distance of n
6、ozzle to specimen 100 mm +/-3mm Water pressure, 6000 +/-50 kPa Moving range 30mm +/- 10 mm from center, total traverse 60mm Moving cycle 60 cycle/minute Moving direction parallel to the X scribe on the specimen Jet position Perpendicular to specimen (The lines of the X scribe are Northeast to Southw
7、est. The longer axis of the spray fan pattern is East-West, and the direction of movement is North-South.) Testing time 120 seconds, +/-3 seconds Water flow rate 610 litres/hour minimum Note: The water pressure and water temperature settings must be measured immediately behind the nozzle. Conditioni
8、ng and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. The equipment is fi
9、lled with water without any additional cleaning agents and heated. 2. Before testing the equipment must be adjusted to the required test pressure for the specified distance. 3 Scribe the panel with an X scribe, over the whole area to be exposed to the water jet. 4. The gun with the nozzle is fixed t
10、o the required distance from the nozzle to the painted surface which is to be tested. The jet of water has to be directed vertically onto the painted surface. 5. Spray water for the specified length of time. 6. The surface is dried and evaluated after cooling to 23 +/- 2 C. 7. Report any failure (e.g., loss of gloss, loss of adhesion, surface deterioration). The principal failure mode is paint peeling. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities.
