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本文(FORD WSB-M26G8-E-2006 MIRROR GLASS REAR VIEW CONVEX FIRST SURFACE CHROME EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSB-M26G7-C)《汽车外部用第一面镀铬的后视凸面玻璃镜 与标准FORD WSS-.pdf)为本站会员(visitstep340)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSB-M26G8-E-2006 MIRROR GLASS REAR VIEW CONVEX FIRST SURFACE CHROME EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSB-M26G7-C)《汽车外部用第一面镀铬的后视凸面玻璃镜 与标准FORD WSS-.pdf

1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 28 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.14, 3.15 & 4 1992 02 21 Released NB00I10043054161 TRB, R.D. Moore Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 8 MIRROR, GLASS, REAR VIEW, FIRST S

2、URFACE CHROME, WSB-M26G7-C EXTERIOR MIRROR, GLASS, REAR VIEW, CONVEX, FIRST SURFACE WSB-M26G8-E CHROME, EXTERIOR 1. SCOPE The materials defined by these specifications are float glass mirrors. The reflective surface is produced by the vacuum deposition of chromium onto the “first surface“ of the gla

3、ss. 2. APPLICATION These specifications were released originally for materials used as follows: WSB-M26G7-C Exterior rear view mirrors (float glass) WSB-M26G8-E Exterior rear view mirrors (convexed - float glass) 3. REQUIREMENTS Material specification requirements are to be used for initial qualific

4、ation of materials. Note: Mirror assemblers shall use the approved glass mirror manufacturers as shown in the Ford Motor Company Engineering Materials Approved Source List. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard

5、Requirements For Production Materials (WSS-M99P1111-A). 3.3 PHYSICAL AND OPTICAL REQUIREMENTS The glass mirrors must meet all requirements of the following test standards in the European market. 85/205/EEC 71/127/EEC The above standards are equivalent to each other. The glass mirrors must meet the r

6、equirements of the following standards for the North American market. FMVSS 111 Compliance shall be demonstrated by conformance to a control plan developed by the glass mirror manufacturer and approved by the Product Development Materials Activity. ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-

7、M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 8 3.4 DIMENSIONS 3.4.1 Glass Thickness Shall be specified on Engineering drawing 3.5 DEFECTS The coated glass surface shall be free from noticeable defects, such as open pits. The glass surface may contai

8、n fine scattered seeds (bubbles) less than 0.41 mm diameter. The chromium coating shall be free of noticeable pinholes which affect the appearance or the optical properties of the mirror. Hairline scratches, not grouped or starting from the glass edge, up to 25 mm long are permitted, when viewed fro

9、m a distance of 610 mm looking into diffused light from a clear sky without any direct sun or equivalent. 3.6 REFLECTANCE, min 50% of the light incident on the surface 3.6.1 Flat Glass ( WSB-M26G7-C) (SAE J964) 3.6.2 Convexed Glass ( WSB-M26G8-E) (SAE J964) 3.7 TRANSMITTANCE Luminous transmittance (

10、International Commission on Illumination, Illuminant A) shall not exceed 4% measured at normal incident to the surface. The interior of the case shall not be visible through the glass. 3.8 DISTORTION 3.8.1 Flat Glass ( WSB-M26G7-C), max 3% (FLTM BO 120-03) 3.8.2 Convexed Glass ( WSB-M26G8-E) When lo

11、oking in an image of a 25 mm square grid, spaced 254 mm from the mirror, and the eye at 254 mm, the image of the grid shall not exhibit any waviness. Waviness is herein described as the lines of the grid curving in one direction and then reversing the direction of curvature. Test apparatus see Figur

12、e 3. 3.9 THERMAL CYCLING, min Four cycles (96 h) No evidence of discoloration, poor adhesion of the reflective film to the glass, or loss of reflectivity in excess of 1%. Test Method: The mirror assembly shall be placed vertically, in a humidity chamber at 95 - 100% relative humidity and 38 +/- 1 C

13、for 16 h. On removal from the humidity chamber, the assembly shall be placed immediately in a cold box at -40 +/- 1 C for a period of 4 h. On removal from the cold box, it shall be immediately placed in an oven at 88 +/- 1 C for a period of 4 h. ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26

14、G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 8 3.10 SALT SPRAY RESISTANCE (ASTM B 117) WSB-M26G7-C, WSB-M26G8-E (Exterior Mirrors, min) 150 h No more than 6 failed spots per 930 cm2 of exposed surface which are visible to the unaided eye at normal read

15、ing distance, and no loss of reflectivity in excess of 1%. Test Method: Two glass mirror blanks shall be exposed to salt spray. The samples shall be placed with the coated side exposed and inclined at an angle of 15 from the vertical. Samples shall be arranged to prevent contact with each other and

16、to permit free settling of the fog on the coated surfaces. 3.11 RESISTANCE TO ABRASION The reflective surface shall be examined for loss of adhesion of the reflective film to the glass. Slight scratches due to abrasive particles in the rubber eraser shall be ignored. There shall be no loss of adhesi

17、on and no loss of reflectivity in the abraded area in excess of 1%. Test Method: The mirror shall be removed from the case and abrasion tested as follows: The front reflective film shall be subjected to 1000 cycles of abrasion in a Taber abraser using a clean 6.35 mm diameter pencil eraser under a 1

18、.0 kg load. (Blaisdel 536T New Way eraser or equivalent.) 3.12 RADIUS OF CURVATURE (Convexed Glass) Requirement ( WSB-M26G8-E) specified on engineering drawing 3.12.1 Determination of Radius of Curvature To determine the average radius of curvature of a convex mirror, use a 3-point linear spheromete

19、r (Figure 1), which meets the requirements of 3.11.2, at the 10 test positions shown in Figure 2 and record the readings for each position. 3.12.2 The 3-point linear spherometer has two outer fixed legs 38 mm apart and one inner movable leg at the midpoint. The spherometer has a dial indicator with

20、a scale that can be read accurately to 2.54 micrometer, with the zero reading being a flat surface. 3.12.3 The 10 test positions on the image display consist of two positions at right angles to each other at each of five locations as shown in Figure 1. The locations are at the center of the mirror,

21、at the left and right ends of a horizontal line that bisects the mirror and at the top and bottom ends of a vertical line that bisects the mirror. None of the readings are within 6.4 mm border on the edge of the image display. 3.12.4 At each position, the spherometer is held perpendicular to the con

22、vex mirror surface and a record is made of the reading on the dial indicator to the nearest 2.54 micrometre. 3.12.5 Convert the dial reading data for each of the 10 test positions to radius of curvature calculations using Table 1. Consider the change as linear for dial readings that fall between two

23、 numbers in Table 1. ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 8 3.12.6 Calculate the average radius of curvature by adding all 10 radius of curvature calculations and dividing by ten. 3.12.7 Det

24、ermine the numerical difference between the average radius of curvature and each of the 10 individual radius of curvature calculations determined in 3.11.5. 3.12.8 Calculate the greatest percentage deviation by dividing the greatest numerical difference determined in 3.11.7 by the average radius of

25、curvature and multiply by 100. Using measurements from a minimum of ten points uniformly distributed across the mirror: 1) (Car Mirrors): The average radius will lie within +/- 71 mm of the design radius at the 3 sigma capability statistical level 1016 mm radius. 2) (Truck Mirrors): The average radi

26、us will lie within +/- 102 mm of the design radius at the 3 sigma capability statistical level for 1466 mm radius. Note: R.P.O. auxiliary round glass radius (not specified) will be smaller. 3) Any individual measurement of a part will lie within 12.5% of the average radius for that part. 3.13 QUALIT

27、Y The surface finish shall be equivalent to that of the approved master sample. The mirrors must conform to the quality requirements of ASTM C 1036 Type I, Class I q2 quality. WSB-M26G8-E, is purchased in flat sheet, then processed into convexed mirrors. Exterior mirror edges shall conform to SAE J6

28、73b, Edge No. 4 requirements. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.2 TEST GAUGE FOR RADIUS OF CURVATURE Supplier: Scherr Tumico Dial Indicator Model BL5 Diameter 76 mm Reading 3 micromet

29、er Graduation 0 100 Range 13 mm ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 8 5.2 RADIUS OF CURVATURE: (Convexed Glass) WSB-M28G8-E The test method corresponds to FMVSS 111, Section S12, Dated Febr

30、uary 26, 1977. Figure 1 LOCATION OF TEN CONVEX MIRROR TESTING POSITIONS ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 6 of 8 Table 1 Conversion Table from Spherometer Dial Reading to Radius of Curvature D

31、ial Reading Radius of Curvature Dial Reading Radius of Curvature mm mm .00330 2164.0 .00980 729.0 .00350 2042.2 .01004 711.2 .00374 1910.1 .01022 698.5 .00402 1778.0 .01042 685.8 .00416 1717.0 .01060 673.1 .00432 1653.5 .01080 660.4 .00450 1587.5 .01110 642.6 .00468 1526.5 .01130 632.5 .00476 1501.1

32、 .01170 609.6 .00484 1475.7 .01200 594.4 .00492 1452.9 .01240 576.6 .00502 1422.4 .01280 558.8 .00512 1394.5 .01310 546.1 .00522 1369.1 .01360 525.8 .00536 1333.5 .01400 510.5 .00544 1313.2 .01430 500.4 .00554 1290.3 .01480 482.6 .00566 1262.4 .01540 464.8 .00580 1231.9 .01570 454.7 .00592 1206.5 .0

33、1610 444.5 .00606 1178.6 .01650 434.3 .00622 1148.1 .01700 421.6 .00636 1122.7 .01750 408.9 .00654 1092.2 .01800 396.2 .00668 1069.3 .01860 383.5 .00686 1041.4 .01910 373.4 .00694 1028.7 .01980 360.7 .00720 993.1 .02040 350.5 .00740 965.2 .02100 340.4 .00760 939.8 .02160 330.2 .00780 916.9 .02250 31

34、7.5 .00802 891.5 .02340 304.8 .00822 868.7 .02450 292.1 .00850 840.7 .02560 279.4 .00878 812.8 .02680 266.7 .00906 787.4 .02810 254.0 .00922 774.7 .02960 241.3 .00938 762.0 .03130 228.6 .00960 744.2 .03310 215.9 ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 7 of 8 ENGINEERING MATERIAL SPECIFICATION WSB-M26G7-C WSB-M26G8-E Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 8 of 8

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