This standard is issued under the fixed designation D ; the 1 These test methods are under the jurisdiction of ASTM Committee D13 on. Buy ASTM D Standard Test Methods for Strength Tests for Zippers from SAI Global. ASTM D Standard Test Methods for Strength Tests for Zippers.
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All methods are not suitable for use with all kinds of zipper. Zipper Reciprocating Testing Instrument The zipper reciprocating testing instrument is used for testing the anti-fatigue performance of the zippers through the reciprocating opening and closing of the zipper sample under the vertical and lateral tension. The ends xstm the front jaws shall be at least 25 mm 1 in. Your comments are invited either for revision of this standard or for additional standards and should be addressed s2061 ASTM International Headquarters.
Place the slider to be tested on the? Separate the chain into stringers and hold a stringer ashm the elements are positioned as in Fig.
ASTM D2061 resistance strength apparatus puller attachment testing machine equipment
Apply the load required by the applicable speci? Apply an increasing load until the separable pin pulls off, until the tape breaks, or until failure of some other kind occurs.
Locate and lock the slider midway between the ends of the chain. The electronic universal tensile testing machine is used for testing the anti-tensile strength and elongation of the copper wires, welding wires, plastics, polyester yarns and steel belts based on different fixtures. The zipper reciprocating testing instrument is used for testing the anti-fatigue performance of the zippers through the reciprocating opening and closing of the zipper sample under the vertical and lateral tension. Work Item s – proposed revisions of this standard.
The slider may be held? Besides those properties measured by means of the enumerated test methods there are other properties that may be important for the satisfactory performance of a zipper. 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. The specimen is laid on the pad and a load applied.
Describe the material or product sampled and the method of sampling used. Automatic positioning function 4.
ASTM D – 93() Standard Test Methods for Strength Tests for Zippers
High rigid frame load frame. China packing equipment China tattoo machine equipment China vaccine equipment. Consequently, the two machines cannot be used interchangeably.
Asfm and record measurement of the de? In one procedure the force is applied to the mouth of the slider. The angle included between the stringers shall be such as to prevent the catching of elements on the? Examine each specimen to determine whether or not there remains the usual ease of manual movement of the pull.
Ast pin Fixed retainer Separating unit—crosswise Slider de?
Originally approved in Recent Posts How many documents do you need to compliance your factory in Bangladesh. Resistance to Twist of Pull and Slider. Apply the load until the stop pulls apart, until the tape breaks, or until failure of some other kind occurs.
Holding Strengths of Separable Units.
Support online communication, data using RS transmission. Apply an initial load of 4. Historical Version s – view previous versions of standard. Position the separating unit so that the exposed end of the separable pin is aligned with the sides of the front d20661 as shown in Fig. Position the slider at the point FIG.