1、 FORD LABORATORY TEST METHOD BA 116-01 Date Action Revisions Rev. 0 2014 10 16 Released K. Mueller Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 5 BOLT PULL OUT PROCEDURES Application This test procedure is used to evaluate out-of-plane and in-plane bolt pul
2、l out force on test panels or flat sections of parts. Originally intended for aeroshields or underbody shields and wheel arch/well liners. Apparatus Required Universal Testing Machine (Tensile) Capable of: Movable crosshead with rate of separation: 50 mm/minute Load cell capacity: 5000 N Recording d
3、evice relating crosshead separation and load Sample Fixtures Method A 2 steel rings used as clamps with 130 +/- 5 mm nominal ID, (inner diameter) to achieve secure hold of sample (no slippage). Clamps or steel strips to hold rings in place. See Figure A. Bolt: M6-1.0 120 mm long (6 mm diameter, 1.0
4、thread, 120 mm length) with nut Washer: fender type, M6 x 18, 1.6 mm thick Gripper jaws or other device to hold the bolt Method B Clevis pin 6 mm diameter, or equivalent Spacers A fixture consisting of a U shape steel holder with a 25 mm nominal gap of between its vertical plates and 6 mm diameter h
5、oles to support the clevis pin. See Figure B. Gripper jaws approximately 50 mm x 75 mm textured, to achieve a 50 +/- 3 mm nominal clamp length, to achieve secure hold of sample (no slippage). Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a con
6、trolled 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. FORD LABORATORY TEST METHOD BA 116-01 Copyright 2014, Ford Global Technologies, LLC Page 2 of 3 Method A Procedure: Out-of-plane
7、bolt pull out Test Specimen: Specimen size: 170 mm x 170 mm, Report thickness and area weight (g/m2) Attachment hole size: 7 mm diameter, location: center of test specimen 1. Mount bolt and washer through center hole of the test specimen 2. Clamp test specimen in-between 2 steel rings, with bolt hea
8、d and washer on the bottom side of test specimen, and securely hold the other end of the bolt with the gripper jaw 3. Pull test: crosshead speed: 50 mm/min, pre-load: 2 N 4. Record maximum force in N to pull bolt and washer out of the test specimen Figure A. Washer Test Material Bolt FORD LABORATORY
9、 TEST METHOD BA 116-01 Copyright 2014, Ford Global Technologies, LLC Page 3 of 3 In-Plane Set-Up (Method B) Test Specimen: Specimen size: 75 mm x 250 mm, Report thickness and area weight (g/m2) Attachment hole size: 7 mm diameter, location: centered approximately 25 mm from short edge Figure B 1. Clamp test specimen in-between the gripper faces. See Figure C 2. Pull test: cross head speed: 50 mm/min, pre-load: 2 N 3. Record maximum force in N to tear the test specimen Figure C Gripper Jaws
