VW13750--内涵多种细则条款

3.3 Weak spots
Weak spots are edges of an area that was mechanically worked after coating for design reasons (in a zone of max. 2.5 mm width, starting from the edge of the unpainted surface).
constant climate 2)
requirements of Section 3.5 and Table 2, No. 6
must be fulfilled
9
Temperature resistance (temperature cycle test)
9.1 Aging at elevated temperature 3) 9.2 Aging at low temperature 4)
Changes The following changes have been made as compared to Technical Supply Specification TL 256, 1999-06:
Type A changed to surface protection type Ofl-x651 Type B removed (replacement is TL 524 51) Specifications for pretreatment changed (Table 2, No. 4) Salt spray fog test removed Specifications for the corrosion cycle test changed (Table 2, No. 8.1) Referenced standards updated Standard restructured
Sobanski
Confidential. All rights reserved. No part of this document may be transmitted or reproduced without the prior written permission of a Standards Department of the Volkswagen Group. Parties to a contract can only obtain this standard via the responsible procurement department.
Previous issues 1974-10; 1993-09; 1999-06
1
Scope
This standard specifies the requirements for powder paints on pretreated components. It does not apply to decorative surfaces (see TL 524 51) or aluminum wheels (see TL 239).
© VOLKSWAGEN AG
Page 2 TL 256: 2004-08
3.2 General requirements Approval of first supply and changes according to VW 011 55. Avoidance of hazardous substances according to VW 911 01. Ten parts are required for complete testing.
Klass.-Nr. 50 23 2
August 2004
Powder Paint on Metal Surfaces
TL
Requirements for Surface Protection
256
Konzernnorm Descriptors: powder paint, surface protection, corrosion protection, paint, paintwork
2
Designation
According to Volkswagen standard VW 137 50, Section 2.
3
Requirements
3.1 Protection types The surface protection types listed in Table 1 shall apply.Leabharlann 金属表面防护防护形式，缩写
早期版本 VW 13750：1953-06，1954-07，1956-10，1958-04，1959-03，1959-06，1963-03， 1963-05，1966-06，1966-10，1967-05，1967-11，1969-10，1970-11，1971-12， 1972-02，1974-08，1975-06，1976-07，1980-09，1983-10，1986-10，1989-12， 1991-11，1994-10，1999-04，2005-02
本标准不适用于给镀过锌的金属表面漆见tl227标准也不适用于给装潢件涂防腐漆见tl218标准或者在一定情况下给汽车行走部分中的空腔零件涂漆见tl262标准
2008 年 6 月
金属表面防护
防护方式，缩写符号
VW 137 50
标准中心
共 17 页 第 1 页
种类-序号：50200，02642 关键词：腐蚀，防锈，表面防护，金属，防护方式，缩写，腐蚀防护
* The IR samples must be presented by the supplier during the first sample tests.
Page 3 TL 256: 2004-08
No. Property
Requirement
8
Corrosion behavior
8.1 Corrosion cycle test 1)
60 µm
6
Adhesion and brittleness
(crosscut test acc. to DIN EN ISO 2409)
Gt 0 to 1
7
Resistance to stone impact
acc. to DIN 55996-1
max. characteristic value 1
no blisters, no corrosion of base metal; adhesion loss D 2.5 mm, but never > 5 mm
8.2 Test in the moisture-condensate no blisters, no corrosion of base metal; the
4.2 Zinc
passivated
passivated and primed
4.3 Aluminum
passivated
passivated and primed
4.4 Copper
-
primed
5
Coating thickness
5.1 Primer coat
-
25 ± 5 µm
5.2 Powder paint
Protection type Ofl-x650 Ofl-x651
Table 1 Design heavy protection with film- or layer-forming pretreatment especially heavy protection with film or layer-forming pretreatment and primer coat (use in the visible area, for example)
3.4 Appearance
The parts shall exhibit a uniform appearance on their entire surface, according to drawing and released sample. Pores, coarse cracks, and other flaws or damage that adversely affect the specified appearance are not permissible. The coating shall have firm adherence to the base material.
3
Degree of glossiness
degree of glossiness according to original sample or drawing specification
4
Pretreatment and primer coat
4.1 Steel
zinc phosphated
zinc phosphated and primed
翻译 李宏
日期 2008.06.20
校对 金喆民
日期 2008.06.23
抄写
日期
Norm vor Anwendung auf Aktualität prüfen / Check standard for current issue prior to usage.
The English translation is believed to be accurate. In case of discrepancies the German version shall govern.
3.5 Further properties
See Table 2.
Table 2
No. Property
Requirement
Ofl-x650
Ofl-x651
1
Base material
2
IR spectrum of the powder paint
see drawing acc. to sample *
修订
相对于 2008-01 版本的 VW 13750，作了如下修改： — 修改表 2 中防护等级 b140 的错误
内容
页码
1 适用范围……………………………………………………………………………3 2 标记…………………………………………………………………………………3 2.1 缩写的组成…………………………………………………………………………3 2.2 标记举例……………………………………………………………………….…...3 3 要求…………………………………………………………………………………3 3.1 基本要求……………………………………………………………………………3 3.2 图纸中的说明………………………………………………………………………4 3.3 可焊接性……………………………………………………………………………5 3.4 连接干扰介质………………………………………………………………………5 3.5 摩擦特性……………………………………………………………………………5 3.6 锌涂层………………………………………………………………………………5 3.7 螺栓、螺母、螺纹件和模制件..…………………………………………………..6 3.8 商业上通用的防护方式……………………………………………….…………...6 3.9 无表面防护的零件………………………………………………….……………...6 3.9.1 带米制 ISO-螺纹的连接元件…………………………………………….………..6 3.9.2 其它零件………………………………………………………………….………...6 3.10 表面防护方式和缩写的排序……………………………………………….……...7 4 相关文献…………………………………………………………………………...14 A.1 对照“不再用于新的设计”/“用于新的设计”………………………………..16 A.2 无缩写符号的表面防护形式……………………………………………………...18 A.3 按 VDA-实验页 235-104 和 VW137 50 的表面防护形式………………………..19
Form FE 41 - 01.03
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