Forward and reverse rim blank and machining process thereof
A processing technology and blank technology, which is applied in the field of front and back rim blanks and their processing technology, can solve the problems of waste of design and development costs and processing costs, and achieve the goals of reduced design and development costs and processing costs, strong versatility, and high production efficiency Effect
Active Publication Date: 2021-02-02
山东禹轮机械科技有限公司
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Problems solved by technology
[0004] In order to solve the problem that it is necessary to design and develop two sets of molds to process and produce the forward rim and the reverse rim, resulting in waste of design and development costs and processing costs, the invention provides a forward and reverse rim blank and its processing technology
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[0040] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in this specific embodiment. Obviously, the implementation described below Examples are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.
[0041] Such as figure 1 As shown, a front and back rim blank includes a cylindrical rim blank 501, and the two ends of the rim blank 501 are respectively provided with a first rim 505 and a second rim 506 for mounting and positioning tires; The outer side of the rim blank 501 close to the first rim 505 is provided with an inwardly concave concave portion 507 for tire explosion ...
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The invention discloses a forward and reverse rim blank and a machining process thereof, and belongs to the technical field of wheel manufacturing. The forward and reverse rim blank comprises cylindrical rim blanks, wherein the two ends of each rim blank are provided with a first wheel flange and a second wheel flange; the outer side of the end, close to each first wheel flange, of each rim blankis provided with a concave part which is concave inwards; protruding parts are arranged at the opposite inner sides of the concave parts and used for machining a forward rim spoke base; and a thickening part is arranged at the side, close to each second wheel flange, of each protruding part and used for machining a reverse rim spoke base. The forward and reverse rim blank is machined through heating, forging, punching and spinning, the process is simple, the production benefit is high, the machined forward and reverse rim blank is high in structural strength and good in mechanical property andis commonly suitable for machining of a forward rim and a reverse rim, and one blank can be used for machining the forward rim and the reverse rim. the universality is high, machining and productioncan be achieved only through one set of mold, and the design and development cost and the machining cost are greatly reduced.
Description
technical field [0001] The invention belongs to the technical field of wheel manufacturing, in particular to a front and back rim blank and its processing technology. Background technique [0002] The rim is commonly known as the rim, which is the part for installing the tire around the wheel. The rim structure is an important part of the car wheel and is the assembly and fixing basis of the tire. The rim and the spokes are fixedly installed to form the entire hub, and the hub is connected with the brake disc, the wheel disc and the half shaft to form a transmission and braking system. [0003] There are two types of rims: positive rim and reverse rim, which are distinguished according to the different installation positions of the spokes on the rim. At present, the processing technology of the rim is complicated, and usually two kinds of processes are casting forming or spinning forming. When producing rim blanks, it is usually necessary to design and develop two sets of ...
Claims
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IPC IPC(8): B21K1/38B21J1/06B21J5/00B21J5/02B21J5/10B21D22/14B21D37/10B23P15/00
CPCB21K1/38B21J1/06B21J5/002B21J5/02B21J5/10B21D22/14B21D37/10B23P15/00B23P2700/50
Inventor 文建勇徐振勇
Owner 山东禹轮机械科技有限公司