1、DEUTSCHE NORM October 2000 Plywood Tolerances for dimensions English version of DIN EN 315 DIN EN 315 - ICs 79.060.1 O Sperrholz - Matoleranzen Supersedes August 1993 edition and parts of DIN 68705-2, July 1981 edition, DIN 68705-3 and DIN 68705-4, December 1981 editions, and DIN 68705-5, October 19
2、80 edition. European Standard EN 315 : 2000 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been prepared by CEN/TC 11 2 Wood-based panels, WG 2 Plywood. The responsible German body involved in its preparation was the Normenausschuss Holzw
3、irtschaft und Mbel (Timber and Furniture Standards Committee), Technical Committee 2.1 5. Amendments This standard differs from the August 1993 edition in that thickness tolerances for panels with a nominal thickness exceeding 25 mm have been added. Previous editions DIN EN 31 5: 1993-08; DIN 68705:
4、 1958-1 2, 1963-03; DIN 68705-1 : 1968-01 DIN 68705-2: 1968-01, 1968-07, 1968-09; DIN 68705-3: 1968-01, 1981 -1 2; DIN 68705-4: 1968-07, 1981 -1 2; DIN 68705-5: 1980-1 O. EN comprises 4 pages. No pari of this standard may be reproduced without the prior permission of V Deutsches Institut fur Normung
5、 e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, s the exclusive right of sale for German Standards (DIN-Normen). Ref. No. DIN EN 315 : 2000-1 English price group 05 Sales No. 1105 03.01 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 315 July 2000 ICs 79.060.10 Supersedes EN 31 5 : 19
6、93. English version Plywood Tolerances for dimensions Contreplaqu - Tolrances sur dimensions Sperrholz - Matoleranzen This European Standard was approved by CEN on 2000-07-07. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this Euro
7、pean Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (Englis
8、h, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Re
9、public, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat:
10、 rue de Stassart 36, B-1050 Brussels O 2000. CEN - All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 315 : 2000 E Page 2 EN 31 5 : 2000 Contents Page Foreword . 2 1 Scope . 3 2 Normative references . . . . . . . . . . . . . . . . . . . .
11、 . . . . . . . . . . . . . . . . . . 3 3 Moisture content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 4 Tolerances for length and width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 Tolerances for thickness . . . . . . . . . . . . . . . . . .
12、 . . . . . . . . . . . . . . . . . . 3 6 Tolerance for straightness of edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 Tolerance for squareness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . .
13、 . . . . . . . . . . . . . . . . . . . 4 Foreword This European Standard has been prepared by Technical Committee CEN/TC 1 12 “Wood-based panels“, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical t
14、ext or by endorsement, at the latest by January 2001, and conflicting national standards shall be withdrawn at the latest by January 2001. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard:
15、Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. This European Standard supersedes EN 31 5:l 993. Compared to the version EN 3151993 the following modifi
16、cations have been made: a) Thickness tolerances for panels with a nominal thickness 25 mm have been added. Page 3 EN 31 5 : 2000 1 Scope This European Standard specifies dimensional tolerances of plywood panels (length, width, thickness) and tolerances for squareness and edge straightness. NOTE Some
17、 uses of plywood can require narrower tolerances: see specific standards for types or perfor- mance standards. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places
18、 in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referr
19、ed to applies. EN 322 Wood-based panels - Determination of moisture content EN 324-1 Wood-based panels - Determination of dimensions of boards - Part 1 : Determination of thickness, width and length EN 324-2 Wood-based panels - Determination of dimensions of boards - Part 2: Determination of squaren
20、ess and edge straightness 3 Moisture content of panels Moisture content is measured according to EN 322. Tolerances are fixed with regard to the following moisture content reference: (10 f 2) %. 4 Tolerances for length and width Length and width are measured accoding to EN 324-1. Tolerances on nomin
21、al size: r 3,5 mm. 5 Tolerances for thickness Thickness is measured according to EN 324-1. Page 4 EN 31 5 : 2000 Unsanded panels within one panel nominal thickness Nominal thickness Thickness tolerance Tolerances on (4 mm mm mm Table 1 - Tolerances for thickness Sanded panels within one panel nomina
22、l thickness mm mm Thickness tolerance Tolerances on 23 5 12 12 5 25 1 ,o + (0,8 + 0,03 t) 0,6 + (0,2 + 0,03 t) - (0,4 + 0,03 t) - (0,4 + 0,03 t) 1s + (0,8 + 0,03 t) 0,6 + (0,2 + 0,03 t) - (0,4 + 0,03 t) - (0,4 + 0,03 t) 25 5 30 30 195 + (0,8 + 0,03 t) 0,8 + (0,O + 0,05 t) - (0,4 + 0,03 ) - (0,4 + 0,
23、05 i) 13 + (0,8 + 0,03 t) 03 + (0,O + 0,03 t) 6 Tolerance for straightness of edges - (0,4 + 0,03 t) The straightness of edges is measured according to EN 324-2. Tolerance: 1 mm/m. - (0,4 + 0,03 t) 7 Tolerance for squareness Squareness is measured according to EN 324-2. Tolerance: 1 mdm. Bi biiography EN 326-1 Wood-based panels - Sampling, cutting and inspection - Part 1: Sampling and cutting of test pieces and expression of test results
