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805783-2 PDF预览

805783-2

更新时间: 2024-10-28 23:27:27
品牌 Logo 应用领域
泰科 - TE 连接器连接器支架
页数 文件大小 规格书
8页 699K
描述
CRIMPER, INSULATION (.210" OV)

805783-2 技术参数

生命周期:ActiveReach Compliance Code:unknown
风险等级:5.62连接器支架类型:TOOL AND MACHINERY
Base Number Matches:1

805783-2 数据手册

 浏览型号805783-2的Datasheet PDF文件第1页浏览型号805783-2的Datasheet PDF文件第2页浏览型号805783-2的Datasheet PDF文件第3页浏览型号805783-2的Datasheet PDF文件第5页浏览型号805783-2的Datasheet PDF文件第6页浏览型号805783-2的Datasheet PDF文件第7页 
Materials  
The material selection for tooling is critical. The material must  
be able to meet the in-service demands placed on the tooling components. The two critical tooling components  
to be reviewed are the wire crimper and the anvil.  
The wire crimper and the anvil have different functional demands. Both have the need to withstand high loads and  
moderate shock. However, the wire crimper is in fact an aggressive forming tool. It must withstand high shear  
loading that is a result of frictional loads generated as the terminal barrel slides along the crimper surfaces in the  
forming process, and then as the terminal barrel is plastically deformed and extruded to complete the termination.  
The anvil experiences some of the same conditions but to a much lower level of severity.  
The wire crimper and the anvil can be likened to a punch and die in the world of metalworking. The materials used  
in punch and die applications have been well documented, along with the material selection process. The added  
severity of the aggressive forming and the terminal and wire extrusion during crimping add complexity  
to the material selection. The material selection process involves:  
• Strength of materials with emphasis on toughness needed to  
withstand the moderate shocks generated during crimping  
Wear resistance to maintain form  
In addition to the above design considerations, there exists another phenomenon that occurs during crimping that  
can significantly shorten the useable life of a wire crimper. Material can be transferred from the terminal barrel to  
the wire crimper. This material buildup can result in unacceptable terminations. The crimped terminal surfaces can  
actually be deformed by the indentations of the deposited material. Crimp deformation may result due to in-  
creased friction. Tooling wear can be accelerated due to higher crimp forces. Surface treatments that minimize  
this material transfer are critical to extended tooling life.  
Strength of Materials  
Crimpers and anvils are designed to be able to withstand stresses that are typically encountered during crimping.  
The basic design of tooling with reference to size and geometry has been well analyzed and generally stresses  
generated during crimping are able to be accommodated. However, there are always demanding applications that  
will tax the design to its stress limits. In those cases, geometry and material may depart from the standard design.  
These exceptions are dealt with on a one-by-one basis and will not  
be discussed here.  
It is the unique requirement of stress and shock that needs to be discussed. Peak crimp loads go from zero to  
maximum in less than 40 ms. Tooling needs to withstand this load cycle at a rate of greater than once per second.  
Several classes of tool steels are suitable and are well described in the material handbooks. It is the processing of  
these materials that can make a significant performance difference.  
In order to withstand the rapid loading to a high stress on a repeated basis, the surface of the material must mini-  
mize cracks and imperfections that may be generated during the machining and/or heat treat operations. It is im-  
portant that grain structure be controlled in size and orientation to achieve maximum and consistent service life.  
Decarburization of the surface during heat treating must be controlled. Heat treating process controls are critical  
to reproducing the optimal surface. Machining processes must also be controlled to avoid surface cracking due to  
excessive heat generation during overly aggressive material removal. Likewise, localized tempering may occur,  
which can soften material beyond the effective range.  
These variations in final material and surface conditions are not readily detectable with a visual inspection. They  
can manifest themselves during service and result in unacceptable tooling performance.  
Wear Resistance  
Wear is generally described as the gradual deterioration of a surface through use. Several types of wear exist and  
include adhesive, abrasive, and pitting. By design, the tooling is able to withstand normal surface loads. Thus, pit-  
ting is typically not an issue.  
The primary wear mode experienced by crimp tooling is adhesive wear. Adhesive wear occurs as two surfaces  
slide across each other. Under load, adhesion, sometimes referred to as cold welding, can occur. Wear takes place  
at the localized points of adhesion due to shear and deformation. Adhesion is highest at the peaks of surface fin-  
ish because that is where the load is greatest. During crimping, the ideal conditions exist for adhesive wear. That is,  
• High loading due to crimp force  
• Sliding surfaces due to crimp formation, and terminal and  
wire extrusion  

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