ASTM E2685 - 15 (2025) 光电模块表面切削试验使用钢制刀片的标准规格

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Designation: E2685 −15 (Reapproved 2025) An American National Standard
Standard Speciﬁcation for
Steel Blades Used with the Photovoltaic Module Surface Cut
Test
1
This standard is issued under the ﬁxed designation E2685; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This speciﬁcation speciﬁes the recommended physical
characteristics of the steel blades required for the surface cut
test described in ANSI/UL 1703 (Section 24) and IEC 61730-2
(Paragraph 10.3).
1.2 ANSI/UL 1703 and IEC 61730-2 are standards for
photovoltaic module safety testing.
1.3 This standard provides additional fabrication details for
the surface cut test blades that are not provided in ANSI/UL
1703 or IEC 61730-2. Surface cut test blades that have
out-of-tolerance corner radii or burrs are known to cause
erroneous test results, either passes or failures.
1.4 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
standard.
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
2
A506 Speciﬁcation for Alloy and Structural Alloy Steel,
Sheet and Strip, Hot-Rolled and Cold-Rolled
A684/A684M Speciﬁcation for Steel, Strip, High-Carbon,
Cold-Rolled
E772 Terminology of Solar Energy Conversion
2.2 International Electrotechnical Commission Standards:
3
IEC 61730-2 Photovoltaic (PV) Module Safety Qualiﬁcation
– Part 2: Requirements for Testing
2.3 American National Standard:
4
ANSI/UL 1703 Flat-Plate Photovoltaic Modules and Panels
3. Terminology
3.1 Deﬁnitions—Deﬁnitions of terms used in this speciﬁca-
tion may be found in Speciﬁcations A506 and A684/A684M,
Terminology E772, ANSI/UL 1703, and IEC 61730-2.
4. Materials and Manufacture
4.1 Surface cut test blades are fabricated from hardened
steel strips. The minimum hardness of the steel is 24 as
measured using the Rockwell scale. Fully hardened and tem-
pered steel of at least 0.50 weight percent carbon as speciﬁed
in Speciﬁcation A684/A684M or A506 will meet this require-
ment.
4.2 Other materials besides hardened steel may be used
provided they have sufficient hardness.
NOTE 1—Steel hacksaw blades commonly available at hardware stores
are acceptable materials of the correct thickness and hardness.
5. Dimensions and Permissible Variations
5.1 Blade thickness: 0.64 60.05 mm
5.2 Corner angle: 90 62° (see Fig. 1)
5.3 Corner radius: 0.115 60.025 mm (see Fig. 1)
6. Workmanship, Finish, and Appearance
6.1 The corner contact area of the blade is intended to be a
cylindrical surface of the required radius; any burrs or sharp
points are removed using a steel ﬁle.
1
This speciﬁcation is under the jurisdiction of ASTM Committee E44 on Solar,
Geothermal and Other Alternative Energy Sources and is the direct responsibility of
Subcommittee E44.09 on Photovoltaic Electric Power Conversion.
Current edition approved June 1, 2025. Published June 2025. Originally
approved in 2009. Last previous edition approved in 2019 as E2685 – 15 (2019).
DOI: 10.1520/E2685-15R25.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at www.astm.org/contact. For Annual Book of
ASTM Standards volume information, refer to the standard’s Document Summary
page on the ASTM website.
3
Available from International Electrotechnical Commission (IEC), 3 rue de
Varembé, Case postale 131, CH-1211, Geneva 20, Switzerland, http://www.iec.ch.
4
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
1

7. Number of Tests and Retests

7.1 The surface cut test blade may be reused until the radius

is outside the speciﬁed limits (see 5.3).

7.2 The surface cut test blade may be reshaped according to

Section 8to achieve the required radius as necessary.

8. Blade Preparation

8.1 Secure a steel strip (see 4.1) in a metal-jawed vise.

8.2 Bend the steel strip until it breaks, leaving a corner with

the required angle (see 5.2).

8.3 When using a hacksaw blade (see Note 1), do not use the

toothed edge to form the corner of the cut test blade.

8.4 Alternatively, the steel strip can be machined to form the

corner angle.

8.5 File or machine the corner to achieve the corner radius

requirement and to remove any burrs.

9. Keywords

9.1 blade; cut test; photovoltaics; surface

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned

in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk

of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ﬁve years and

if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards

and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the

responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should

make your views known to the ASTM Committee on Standards, at the address shown below.

This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,

United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above

address or at 610-832-9585 (phone), or through the ASTM website (www.astm.org/contact). Permission rights to photocopy the

standard may also be secured from the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600;

http://www.copyright.com/

FIG. 1 Surface Cut Test Blade Geometry and Use Illustration

E2685 − 15 (2025)

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摘要：

ASTM E2685-15(2025)是ASTM国际标准组织发布的光电模块表面切削试验标准规格，明确规定使用钢制刀片对光伏组件表面进行切削的标准流程、设备要求与性能评价方法。该标准适用于光伏模块表面材料在机械切削作用下的工艺稳定性与附着质量评估，为制造商、检测机构和科研单位提供统一、可重复的试验依据。通过执行ASTM E2685-15(2025)，企业能够有效验证组件表面的切削加工性能，优化生产工艺，降低安装或长期运行过程中因表面缺陷引发的失效风险。标准内容涵盖刀片规格、切削速度、施压方式、样品

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ASTM E2685 - 15 (2025) 光电模块表面切削试验使用钢制刀片的标准规格

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