Assembling process for sprocket lug assembly
An assembly process and sprocket technology, which is applied to belts/chains/gears, hoisting devices, manufacturing tools, etc., can solve the problems of low efficiency of integrated processing technology and low precision of split processing technology, and achieve beautiful appearance and work High efficiency and flexible combination
Inactive Publication Date: 2018-11-13
WORLD PRECISE MACHINERY CO LTD CHINA
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- Abstract
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- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In order to solve the defects of low efficiency of integrated processing technology or low precision of split processing technology existing in the prior art, the present invention provides a high-efficiency and high-precision assembly process of sprocket lap sub-assemblies
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0023] The cooling temperature of the sprocket part 2 is -40°C, the cooling time of the sprocket part 2 is 4 hours, the heating temperature of the sprocket part 1 is 150°C, and the heating time of the sprocket part 1 is 30min.
Embodiment 2
[0025] The cooling temperature of the sprocket part 2 is -50°C, the cooling time of the sprocket part 2 is 4.5 hours, the heating temperature of the sprocket part 1 is 140°C, and the heating time of the sprocket part 1 is 40min.
Embodiment 3
[0027] The cooling temperature of the sprocket part 2 is -45°C, the cooling time of the sprocket part 2 is 5 hours, the heating temperature of the sprocket part 1 is 160°C, and the heating time of the sprocket part 1 is 50min.
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Abstract
The invention relates to the technical field of machining, in particular to an assembling process for a sprocket lug assembly. The assembling process includes the following steps that first, a sprocket part and a lug part are machined, and the sprocket part is in interference fit with the lug part; second, the lug part is cooled, and the sprocket part is heated; and third, the sprocket part is arranged on the lug part in a sleeving mode to be mounted, and the relative position of the sprocket part and the lug part is maintained until the temperature of the sprocket part and the lug part are restored to the room temperature. The appearance of the sprocket machined by the assembling process is beautiful and has no weld scar, after the performance test, the installation is firm, the materialis saved, the combination is flexible because of the split machining, and batching can be conducted; and in addition, the gear hobs can be machined multiply, and the efficiency is high.
Description
technical field [0001] The invention relates to the technical field of mechanical processing, in particular to an assembly process of a sprocket spanner assembly. Background technique [0002] There are generally two processing methods in sprocket processing, one is integrated sprocket processing, and the other is split sprocket processing (process the sprocket and sprocket straps separately, and then weld the two parts. ), the above two methods have their own disadvantages: the one-piece processing sprocket material is generally processed by forgings, the forgings have more allowances, and the cost is higher. The processed sprockets have steps, and they can only be processed in one piece when hobbing It increases the processing cost, and the work efficiency is not high; the split type processing is convenient, and multiple pieces can be stacked and processed during gear hobbing, but it is easy to deform during welding, and the accuracy is not easy to grasp. Contents of th...
Claims
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IPC IPC(8): F16H55/30B23P11/02
CPCB23P11/025F16H55/30
Inventor 彭国平王丽华王叶军
Owner WORLD PRECISE MACHINERY CO LTD CHINA
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