ASTM D1683 PDF

D/DM – 17e1 Standard Test Method for Failure in Sewn Seams of Woven Fabrics, seam efficiency, seam slippage, sewn seam, sewn seam strength. ASTM D is a test method used in seam engineering to determine sewn seam strength in woven fabrics. ASTM D Failure in Sewn Seams of Woven Apparal Fabric http://wenku. 1 of 28/11/

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If a determination cannot be made as to which seam is the best suited for a particular fabric, all should be evaluated.

ASTM D Fabric Seam Strength Testing – ADMET

This test method can be used as an aid for estimating seam strength for any given fabric. Pneumatic Grips are a great way to speed up testing by reducing the time asym takes to mount the samples in between test lots. Size Metric 90 [0.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Likewise, there are other textile structures, intended to be used multiple times, while also being subjected to various care and maintenance regimens. Active view current version of standard. When the failure results in displacement of yarns, the textile product will need to be replaced.

When the performance of a woven textile structure requires data to indicate the maximum seam strength that will result in the failure of fabric on either side of seam, the standard seam can be axtm to use the Lapped seam type construction with two or more rows of stitching: Note 1—The grab test procedure in Test Method D shall be used to determine any characteristic in fabric that can affect the measurement of sewn seam strength.

The analysis for seam strength or seam efficiency is calculated by dividing the seam strength by the ultimate tensile strength of the base material without a seam. When the performance of a woven textile structure requires data to indicate the maximum seam strength that will result in the failure of fabric on either side of seam, the standard seam can be changed to use the Lapped seam type construction with two or more rows of stitching: Link to Active This link will always route to the current Active version of the standard.

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The front of the grip jaw is to be 1×1″ or The values stated in each system may not be exact equivalents; therefore, each system shall be xstm independently of the other.

Combining values from the two systems may result in non-conformance with the standard.

Combining values from the two systems d6183 result in non-conformance with the standard. The seam strength is divided by the ultimate strength in order to give a percentage.

The breaking force of the seam and fabric will permit estimation of seam efficiency. Historical Version s – view previous versions of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Seam strength is a comparison test between an unseamed test piece of fabric and the seamed fabric specimen.

Pneumatic Vise Grips are also available along with all of the accompanying hoses and switches. Table 1 lists the default seam assembly specifications to be used for fabrics made with fine, medium and heavy count yarns. Active view current version of standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Note 2—This test method is used in conjunction with Test Method Dwhich is used to measure breaking force and elongation of textile fabrics.

The specimen is pulled in tension, similar to a grab test, until it breaks. This ASTM test requires Vise Grips to be used, however in some rare cases, wrap grips can also be used however this should be noted on the test.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Lsc-2; Lsc-3; D683 and the maximum number of stitches per inch that can be used.

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ASTM D / DM – 16 Standard Test Method for Failure in Sewn Seams of Woven Fabrics

Rupture can be further categorized as failure or fabric, or sewing thread, or seam slippage. Most seams are made with a sewing machine, after the fabric has been woven and then cut. Sewn seams in woven fabrics can fail due to rupture, slippage, or any combination thereof.

The back jaw must be at least 1×2″. Size Metric [0. Universal Grip offers several different types of vise grips depending on the total load required for the test. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

This test requires specialized grip jaws inserts. Competent statistical assistance is recommended for the investigation of bias. Because sewn seam strength and sewn seam efficiency varies with each fabric, both of the standard seam assemblies, noted in Table 1should be used when comparing the seam strength of different fabrics.

ASTM D1683 Fabric Seam Strength Testing

As a minimum, asm two parties should take a group of test specimens from the same lot of fabric to be evaluated, which utilize a like seam assembly or standard seam assembly.

Seams are used to stitch two different pieces of fabric together. These four seam engineering variables contribute to a textile product being able to achieve the maximum sewn seam strength performance and structural integrity when cut pieces of fabric are joined together. Once deployed, it must be c1683 it cannot be re-used. If a bias is found, either its cause must be determined and corrected, or the purchaser and supplier must agree to interpret future test results in light of the known bias.