Manufacturing method for part containing following water way
A manufacturing method and waterway technology, which is applied in the field of component structure preparation, can solve the problems of poor waterway surface quality of finished products, affect the flow of cooling liquid, and reduce the yield rate, etc., and achieve the effects of high waterway surface quality, uniform cooling effect, and saving raw material costs
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no. 1 example
[0023] Such as figure 1 As shown, it is a schematic flow chart of a manufacturing method of the present invention that contains conformal waterway parts. In this embodiment, the manufacturing method includes:
[0024] Step S1, that is, the mold design and manufacturing steps of the part: design the injection mold according to the size of the part, design the conformal waterway inner core mold according to the cooling requirements, and manufacture;
[0025] Step S2, that is, the step of feeding, kneading and granulating: selecting metal powder according to the material requirements of the parts, adding a binder, and making metal feeding granules through mixing and granulating equipment;
[0026] Step S3, that is, the injection step: select the corresponding plastic granules according to the binder of the feed granules, and use the injection machine and the conformal waterway inner core mold to make the plastic granules into the conformal waterway inner core; The core is placed...
no. 2 example
[0030] Such as figure 2 As shown, it is a schematic flow chart of the second embodiment of a manufacturing method of a manufacturing method containing conformal waterway parts of the present invention. In this embodiment, step S6 is added to the five steps of the first embodiment, that is, post-processing steps; such as image 3 As shown, it is a schematic flow chart of the post-processing steps in the second embodiment of a manufacturing method of the present invention that contains conformal waterway parts; the step S6 includes
[0031] Step S61, that is, the hot isostatic pressing step: using a hot isostatic pressing process to increase the density of the part.
[0032] Step S62 is also included, that is, a heat treatment step: using heat treatment to adjust the mechanical properties of the material.
[0033] Step S63 is also included, that is, the finishing step: use precision instruments to finish the parts to improve the accuracy of the product's external dimensions; ...
no. 3 example
[0040] In the present invention, the part can be a hot runner insert, and the material for manufacturing the hot runner insert is SKD11 die steel. Feed that is made of pellets, the matrix binder of the wax-based binder uses carnauba wax, and the carnauba wax with the same composition as the matrix binder in the wax-based binder is used to manufacture the conformal waterway core;
[0041] In the injection step, the plastic injection mold and carnauba wax are used to manufacture the conformal waterway core, and then the conformal waterway inner core is installed into the metal injection mold for manufacturing the hot runner insert, and then the wax-based SKD11 is used for feeding injection, Obtain a die lip green body containing a conformal waterway core;
[0042] In the degreasing step, use solvent degreasing equipment, use n-heptane as the extraction agent, and degrease for 12-48 hours at 40-80°C to remove the binder in the green insert, in which the conformal waterway core is...
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