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327192 Datasheet(PDF) 6 Page - Tyco Electronics |
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327192 Datasheet(HTML) 6 Page - Tyco Electronics |
6 / 8 page LOC B 3. MAINTENANCE/INSPECTION PROCEDURE Tyco Electronics recommends that a maintenance- inspection program be performed periodically. This is necessary to assure that continued use of the dies will result in the same dependable and uniform terminations for which the dies were designed. We recommend an initial frequency of inspection of once a month. This frequency may be adjusted to suit your requirements through experience. The frequency of an inspection is dependent upon: • The care, amount of use, and handling of the dies. • The type and size of the products crimped. • The degree of operator skill. • The presence of abnormal amounts of dust and dirt.; and • Your own established standards. With proper maintenance and inspection, these dies will give years -of satisfactory service. All Tyco Electronics dies are thoroughly inspected before being shipped from the factory, however, since there is a possibility of die damage in shipment, it is recommended that new dies be inspected in accordance with Section 3 when received in your plant. 3.1. Cleaning Do not allow deposits of dirt, grease and foreign matter to accumulate in the die closure area and on the bottoming surfaces of the dies. These deposits may prevent the dies from bottoming fully and may also cause excessive wear in the die closure surfaces, thereby affecting the quality of the crimp. The dies should be wiped clean frequently with a clean cloth. 3.2. Visual Inspection Visually inspect the die closure surfaces for broken or chipped conditions. Although dies may gage within permissible limits, worn or damaged die closure surfaces are objectionable and can affect the quality of the crimp. Examples of possible damaged die surfaces are shown in Figure 13. 3.3. Die Closure Inspection Every Tyco Electronics die set is inspected and tested for proper die closure before being shipped from the factory. An inspection should, however, be performed periodically to measure the die closure. Figure 13 The die closure inspection is accomplished using GO NO-GO plug gages. Tyco Electronics neither manufactures nor sells plug gages, however, a suggested plug gage design and the GO NO-GO dimensions of the plug gage members are listed in Figure 14. The following procedure is recommended for measuring the die closures. Refer to 408 -7424 for ordering information and for information concerning the GO NO-GO gages. 1. Remove traces of oil or dirt from die crimping area and plug gage members. 2. Insert dies in tool. 3. When using hand tool, close handles of tool until dies bottom. Do not apply additional pressure to tool handles. 4. When using pneumatic tool, reduce air supply pressure to a range between 15-20 p.s.i. Depress trigger to bottom dies. 5. With crimping dies bottomed, check the die closure using the proper plug gage. Hold gage in straight alignment with the die closure and carefully try to insert without forcing, the GO member, and then the NO-GO member. See Figure14. The GO member must pass completely through the die closure. NOTE i 6 of 8 408-1662 Rev A |
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