FORD WSS-M1F28-A2-2010 LEATHER GENUINE TOP GRAIN PREMIUIM SOFTNESS MILLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M1F28-A1)《超高软度的粒面真皮 与标准FORD WSS-M99P1111-A一起使用 .pdf
《FORD WSS-M1F28-A2-2010 LEATHER GENUINE TOP GRAIN PREMIUIM SOFTNESS MILLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M1F28-A1)《超高软度的粒面真皮 与标准FORD WSS-M99P1111-A一起使用 .pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M1F28-A2-2010 LEATHER GENUINE TOP GRAIN PREMIUIM SOFTNESS MILLED TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M1F28-A1)《超高软度的粒面真皮 与标准FORD WSS-M99P1111-A一起使用 .pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver 52010 01 28 N-STATUS Replaced by WSS-M1F29-B, WSS-M1F28-B and WSS-M99P43-B J. Williams 2008 06 26 Revised Revised 3.2.3, 3.3.5.3, 3.3.6.1 control of these items must be represented in the PFMEA and control plan. These results must be readi
2、ly available and submitted to North American Seat Engineering upon request. After the review and sign-off of the control documents (PFMEA, CP and SPC data) for a significant number of lots, the frequency of the testing can be reduced as agreed upon by the Materials Engineering and North American Sea
3、t Engineering representatives. Other testing in this specification is for initial approval or on an “as requested“ basis and is not required for annual recertification. ENGINEERING MATERIAL SPECIFICATIONWSS-M1F28-A1/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Pag
4、e 2 of 10 The location of the test samples is described in IUP/2 for physical testing of leather samples. Figure 1 and Figure 2 below show where the samples shall be taken from on the given number of hides in the Control Item Sampling Plan, Table 1. Table 1. Control Item Sampling Plan Test Initial A
5、pproval DV/PV Ingress/Egress Production Bally Flex as received 10 hides 6 hides 1 hide Bally Flex heat aged 24 hours at 100 C 10 hides 6 hides 1 hide Bally Flex as received followed by Finish Adhesion 10 hides 6 hides 1 hide Pilling 10 hides 6 hides 1 hide Softness 10 hides 5 locations 6 hides 5 loc
6、ations 1 hide 5 locations Thickness 10 hides - 5 locations 6 hides 5 locations 1 hide 5 locations Figure 1. Backbone testing, test samples must be taken from area similar to HGJK along both sides of the back bone. If not enough samples can be taken to complete all of the testing then additional hide
7、s must be used. Figure 2. Belly testing, test samples must be taken between the edge of the hide and line US. The size is to be adjusted to fit the appropriate test specimen. ENGINEERING MATERIAL SPECIFICATIONWSS-M1F28-A1/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, L
8、LC Page 3 of 10 3.2.1 Bally Flex (ASTM D 6182) No cracking of the surface finish with a 6X microscope when the sample is bent over a 12 +/- 2 mm mandrel in the direction of the test area. Original 100,000 cycles After aging 24 hours at 100 +/- 2 C 60,000 cycles 3.2.2 Finish Adhesion after Bally Flex
9、, min. 3.5 N (ASTM D 6182 followed by IUF 470/ISO 11644) 3.2.3 Resistance To Pilling Wear, minimum 5 minutes (FLTM BN 108-14, 89 N Load) No wear through to the russet 3.2.4 Softness, mm (FLTM BN 157-01, BLC ST300 Softness Tester, using a 25 mm diameter (nominal) aperture) WSS-M1F28-A1, min. 3.5 aver
10、age per hide WSS-M1F28-A2, min. 4.0 average per hide Initial approval requires measurements from ten hides taken in the five locations indicated in FLTM BN 157-01. The average of the five points on each hide must be 3.5 (WSS-M1F28-A1) or 4.0 (WSS-M1F28-A2) minimum. The leather quality, grain definit
11、ion and specific softness will be determined by the Hand and Appearance Master Hide, as approved by Color and Materials Design/Mastering. 3.2.5 Thickness, mm, range 1.0 - 1.4 (ASTM D 1813) Initial approval requires measurements from ten hides taken in the five locations indicated in FLTM BN 157-01.
12、The leather quality, grain definition and specific thickness will be determined by the Hand and Appearance Master Hide, as approved by Color and Materials Design/Mastering. 3.2.6 Finish Coating Complete Supplement A 3.3 ADDITIONAL REQUIREMENTS General information items must be determined from a lot
13、of material where the manufacturing process is under statistical control. Once these parameters are established no annual recertification is necessary unless the process has shifted. A materials engineering representative may request individual retests on an “as needed“ basis. New colors of existing
14、 technologies must test to paragraphs Color Properties, Fogging and Flammability as required by AVT-T113-06. ENGINEERING MATERIAL SPECIFICATIONWSS-M1F28-A1/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 10 3.3.1 Sample Selection Samples for testing shall b
15、e selected from the backbone and belly area of the hide. The backbone area is described in Figure 1 but the belly area must now be shifted to very edge of the hide, as is the manufacturing process. Sample locations must be noted on the test matrix. Untested areas of the hide must be submitted so tha
16、t the hide can be reconstructed to view where the samples were taken. Test 10 pieces per backbone and belly except for paragraphs Color Properties, Odor, Fogging and Flammability or where the test method determines the sample size. 3.3.2 Appearance and Physical Attributes 3.3.2.1 Appearance (FLTM BI
17、 109-01) The leather quality, grain definition, specific softness and specific thickness will be determined by the Hand and Appearance Master Hide, as approved by Color and Materials Design/Mastering. 3.3.2.2 Grade Leather dyed with finish coating applied. The leather must be through dyed to a suffi
18、cient depth to prevent un-dyed fibers from showing through after sewing. Also, the color of the dye must be compatible in appearance with the surface coating. No correcting or repair of any kind shall be allowed including but not limited to buffing, filling or stuccoing. 3.3.2.3 Finish All hides sha
19、ll show no defects or surface blemishes affecting the appearance of the material, such as brush marks or stops and bad flows. 3.3.3 Finish Properties 3.3.3.1 Cold Flexibility, min. -35 C (SAE J323, Method A) The material must remain flexible and after bending at 180, it must exhibit no cracks. 3.3.3
20、.2 Bally Flex (ASTM D 6182) No cracking of the surface finish with a 6X microscope when the sample is bent over a 12 +/- 2 mm mandrel in the direction of the test area. The following tests must be completed in addition to those required in the Control Items, para. 3.2. ENGINEERING MATERIAL SPECIFICA
21、TIONWSS-M1F28-A1/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 10 Test to cracking Report number of cycles to nearest 10,000 After Humidity Aging 72 hrs at 38 +/- 2 C, 30,000 cycles 98% RH, (samples shall be suspended vertically in the test chamber) condi
22、tion 24 hours at 23 +/- 2 C and 50% RH 3.3.4 Physical Properties 3.3.4.1 Breaking Strength, min. (ASTM D 2208, ten samples from two locations) Any direction 400 N 3.3.4.2 Elongation at 400 N, max. 60% (ASTM D 2208, ten samples from two locations) 3.3.4.3 Tear Strength (Trapezoid), min. 44 N (ASTM D
23、5733, ten samples from two locations, average the ten highest peaks) 3.3.4.4 Seam Fatigue Resistance (FLTM BN 106-02, ten samples from two locations) Needle hole elongation after test, max 1 mm 3.3.4.5 Shrinkage, max. 6.0% (FLTM BN 105-03, except Heat Cycle 100 C, max, 3 cycles) 3.3.4.6 Stretch and
24、Set (SAE J855) Stretch, max 30% Set, max 15% 3.3.5 Wear Resistance Testing 3.3.5.1 Resistance to Scuffing, min. Rating 6 (SAE J365, Specimen Holder E-36, 200 cycles) The surface shall show no evidence of wear through, and the color of the scuffed area shall be acceptable in appearance according to t
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