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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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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, moreover, the method disclosed in the above-mentioned documents is only suitable for processing thin metal plates into pulleys, not only does not have the flexibility to select blanks, but also cannot be used for reference in processing pulleys from metal pipes, because the processing of Pulleys are undeniably quick

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

Embodiment 1

[0031] a) According to the specification requirements of the pulley as the rotating part required by the rotating part such as the axial flow fan or the centrifugal fan used in the textile enterprise, equip a Figure 4 The spinning die shown, and equipped with a spinning groove that can meet the requirements, such as by figure 2 The cross-sectional shape shown is trapezoidal wheel 1 and a same by figure 2 The profile shape shown is trapezoidal forming roller 2;

[0032] b) According to the required diameter, length, wall thickness, material and other requirements of the pulley ring, calculate and grasp the correct size, and then cut a piece such as figure 1 Blank 3 shown;

[0033] c) by figure 2 As shown, the spinning forming die is installed on the general mold plate 5 of the spinning machine 4, and a specific embodiment structure of the spinning forming die described here is composed of Figure 4 Provided, as the lower mold constituting the spinning forming mold, it i...

Embodiment 2

[0041] This embodiment only changes the blanking method of the blank 3 obtained in step b). The flat sheet of thin steel plate with the dimensions shown in the figure is crimped and welded into a mold with the same length as L1 and diameter ΦD as the maximum outer diameter of the core of the spinning die. Figure 6 Blank 3 shown, all the other are the same as embodiment 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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