FORD FLTM BI 127-01-2001 EDGE COVERAGE TEST FOR ELECTROCOAT MATERIALS《电涂层材料的边缘覆盖率试验》.pdf

1、 FORD LABORATORY TEST METHOD BI 127-01 Date Action Revisions 2001 03 20 Revised Editorial no technical change A. Cockman 1995 06 29 Printed copies are uncontrolled Page 1 of 3 Copyright 2001, Ford Global Technologies, Inc. EDGE COVERAGE TEST FOR ELECTROCOAT MATERIALS Application This method is used

2、to test the ability of electrocoat materials to cover sharp metal edges. Apparatus and Materials Required Electrocoat Bath and Coating Apparatus Knife Blades Embee # 172 blades (See Figure 1) Sources: EMBEE Corp. Nivo Office Products B.V. P.O. Box 1268 Lichtenhorststraat 11A 522 W. State St. P.O. Bo

3、x 104 Springfield, Ohio 45501 6940 AA Didam, Holland Tel: (513) 323-3795 Tel: 0 8362-28400 Fax: (513) 323-0733 Fax: 0 8362-28450 Salt Fog Cabinet As specified in FLTM BI 103-01. Magnifying Scope or Lens 30x Power Conditioning and Test Conditions All test values indicated herein are based on material

4、 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. Phosphate 3 knife blades per the applicable electrocoat specification. Visually inspect the har

5、dened steel blade edge for phosphate. Reject blades with shiny appearance which indicates lack of phosphate. FORD LABORATORY TEST METHOD BI 127-01 Page 2 of 3 Copyright 2001, Ford Global Technologies, Inc. 2. Electrocoat knife blades to target film build specified in the relevant material specificat

6、ion. 3. The blades should be completely electrocoated by suspending them from the hole with a paper clip and coating them to the target film build. 4. Bake at temperature and time specified. 5. Blades should be coated in triplicate for each variable. 6. Blades are placed in a 5 % Salt Fog Cabinet (F

7、LTM BI 103-01) for 7 days. Blades must be at 90 to the horizontal with the sharp edge straight up and totally exposed. 7. After 7 days, rinse with D.I. water and allow to air dry. Do not wipe blades. 8. The rust spots along the sharp edge may be counted using a 30x power scope. Record the average of

8、 three blades. 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. FORD LABORATORY TEST METHOD BI 127-01 Page 3 of 3 Copyright 2001, Ford Global Technologies, Inc.