ISO 7802:1983 Wire wrapping testing machine
Wire Wrap Testing Machine is used to do wrapping test of 0.1mm – 10mm steel wire, galvanized steel wire, copper and copper alloy line of contact, aluminum wire, high strength wire, etc. It also can be used for adhesion test of galvanized coating test. In standard, it conforms to ISO7802: 2013: Metallic Material- Wire-Wrapping Test.
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Description
NDS-18 Metal Wire Wrapping Testing Machine
Metal Wire Wrapping Testing Machine
(wire diameter Ф1.0- Ф10mm)
Main function
Metal Wire Wrapping Testing Machine is used to do wrapping test of 0.1mm – 18mm steel wire, galvanized steel wire, copper and copper alloy line of contact, aluminum wire, high strength wire, etc. It also can be used for adhesion test of galvanized coating test. In standard, it conforms to ISO7802: 2013: Metallic Material- Wire-Wrapping Test. The test consists of winding a wire to a specified number of turns around a mandrel of the diameter specified in the relevant standard to form a closely wrapped helix. It may also include a specified sequence of windings and un-windings, or even re-windings. It provides reliable measuring method for wire manufacturers and users.
International Standard:
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of developing International Standards is carried out through ISO technical committees. Every member body interested in a subject for which a technical committee has been authorized has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council.
International Standard ISO 7802 was developed by Technical Committee ISO/TC 164, Mechanical testing of metals, and was circulated to the member bodies in September 1982.
It has been approved by the member bodies of the following countries :
Australia France Poland
Austria Germany, F. R. South Africa, Rep. of
Brazil Hungary Spain
Bulgaria Ireland Sweden
Canada Italy Thailand
China Japan USA
Czechoslovakia Netherlands USSR
Egypt, Arab Rep. of Norway
The member body of the following country expressed disapproval of the document on technical grounds :
Technical specifications
| No. | Items | Spec. |
| 1 | Wire diameter | Ф1.0- Ф18mm |
| 2 | Wrapping test | 30r/min |
| 3 | Axial loading weights | not exceeding 5% of the nominal tensile strength of the wire during winding |
| 4 | Mandrels | 6 – 20mm |
| 5 | Counting resolution | 360°/r |
| 6 | Working voltage | 220VAC /50Hz |
| 7 | Dimension (L*W*H) | 1200x560x1250mm |
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