Sand core structure for cylinder cover casting tappet hole precasting and precasting method
A technology of tappet hole and sand core, which is applied in the field of cylinder head manufacturing, can solve the problems of high manufacturing cost, achieve the effects of reducing molten iron consumption, reducing porosity waste products, and reducing porosity tendency
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[0030] In order to make the objectives, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below with reference to the specific embodiments and the accompanying drawings.
[0031] It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of the present specification shall have the usual meanings understood by those with ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and similar terms used in one or more embodiments of this specification do not denote any order, quantity, or importance, but are merely used to distinguish the various components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connec...
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