Machining method of belt rim

A processing method and pulley technology, applied in metal processing equipment, forming tools, manufacturing tools, etc., can solve the problems of unsatisfactory processing efficiency, inability to learn from processing, and lack of flexibility in selecting blanks, and achieve improved processing efficiency. Effect

Inactive Publication Date: 2006-03-15
常熟市鼓风机有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, when the diameter of the pulley is large, such as 300mm or more, and the number of grooves is large, such as 3 to 7 grooves or even more, if the method taught in the above documents is used for processing, both the mold investment cost and the processing efficiency will be lower. Unsatisfactory, mo

Method used

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  • Machining method of belt rim
  • Machining method of belt rim
  • Machining method of belt rim

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] Example 1

[0031] a) According to the specification requirements of rotating parts, such as axial fans or centrifugal fans used by textile enterprises, as rotating parts, a pulley Figure 4 The spinning forming mold shown, and equipped with a spinning groove that can meet the requirements of the spinning groove, such as by figure 2 The cross-sectional shape shown is a trapezoidal rotary wheel 1 and a wheel 1 also made of figure 2 The shown cross-sectional shape is a trapezoidal forming roller 2;

[0032] b) According to the requirements of the required pulley rim for large diameter, small length, wall thickness, material, etc., calculate and grasp the correct size and then cut one from the corresponding metal pipe such as seamless steel pipe. figure 1 The blank 3 shown;

[0033] c) by figure 2 As shown, the spinning forming mold is installed on the universal mold plate 5 of the spinning machine 4. A specific embodiment of the spinning forming mold described here is str...

Example Embodiment

[0040] Example 2:

[0041] This embodiment only changes the blanking method of the blank 3 obtained in step b). The change is to calculate the blanking diagram according to the required diameter, length, wall thickness, and material requirements of the belt rim, and then press the material The thin steel plate is flat according to the size shown in the figure, and it is crimped and welded to a length L1 and a diameter of ΦD which is the same as the maximum outer diameter of the core of the spinning forming mold. Figure 6 The blank 3 shown, and the rest are the same as in Example 1.

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Abstract

A technology for machining the belt wheel rim includes such steps as providing spinning die, spinning wheel and shaping roller, blanking to obtain raw ring, installing the spinning die to spinning machine, sleeving the raw ring on said spinning die, installing spinning wheel to spinning roller frame of spinning machine, starting the spinning machine to form a U-shaped belt slot, and spinning it by the shaping roller to form a trapezoidal belt slot.

Description

technical field [0001] The invention discloses a processing method of a pulley rim, and more specifically relates to processing a metal tube blank or a tubular body formed by crimping and welding a metal sheet for hanging a plurality of trapezoidal belts or V-belts. The method for forming a pulley ring by a plurality of trapezoidal grooves belongs to the technical field of processing pulleys in mechanical transmission parts. Background technique [0002] It is generally considered cumbersome to process a pulley made of metal as a transmission component. Firstly, the blank is obtained by casting, and then the blank is processed by a lathe. The advantage is that a complete pulley can be obtained, but the obvious disadvantages are: the whole process from casting to the final workpiece is relatively lengthy and inefficient; the waste of raw materials is large, resulting in increased product costs. [0003] Before the launch of the technical solution of this application, the app...

Claims

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Application Information

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IPC IPC(8): B21D22/14B21D22/16B21D37/10
Inventor 许文元张育才谢建新徐国忠
Owner 常熟市鼓风机有限公司
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