Block forming process of adjuster for train brake pads
A brake pad and occlusion forming technology is applied in the field of forging and forming of metal parts, which can solve the problems of difficulty in mass production, large investment in machine tools, low production efficiency, etc. full effect
Active Publication Date: 2016-09-21
江苏威鹰机械有限公司
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Problems solved by technology
[0003] The present invention aims at the disadvantages of the existing machined train brake pad adjuster, mainly solves the shortcomings of the existing traditional processing technology, such as large investment in machine tool equipment, low production efficiency, high manufacturing cost, and difficulty in mass production, and provides a train The occlusion forming process of the adjuster for brake pads can achieve the effect of high base material structure density and strong impact resistance
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0031] see figure 1 , figure 2 with image 3 As shown, a precision forging for a train brake pad adjuster includes a bearing plate 1, the bearing plate 1 is composed of a middle base body and three plates that extend outward and converge evenly around the middle base body, two of which Radial protrusions 2 are provided on the middle base of the root between the plates, and the bottom of the radial protrusions 2 is provided with an axial adjuster positioning pin 7; the bottom end of the middle base is a spherical structure, which constitutes an adjuster spherical body 5. The spherical top of the adjuster spherical body 5 is provided with a mounting boss 6, and the upper end surface of the middle base is provided with an extrusion concave hole 9 corresponding to the position of the mounting boss 6; the upper part of the radial protrusion 2 is provided ...
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Abstract
The invention discloses a closed forming technology of an adjuster used for a train brake pad. The closed forming technology includes the following steps of a feeding, b spheroidizing annealing, c peeling, d shot blasting, e phosphorus saponification treating, f closed forming, g low-temperature annealing, shot blasting and phosphorus saponification treating, h cold finishing, i extrusion forming through a small step, j machining and k thermal refining. According to the technology, a closed forming plastic forming technology is applied to manufacturing of the adjuster used for the train brake pad, a body part of the adjuster used for the train brake pad is mainly formed, the follow-up cutting machining is reduced, resources are saved, the machining technology is simple, metal streamlines of materials are complete, product quality is stable, internal tissues are high in density, the comprehensive mechanical performance is good, the production efficiency is high, the accuracy requirement can be met, and the manufacturing cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of forging and pressing forming of metal parts, and relates to a closed-forming manufacturing process of an adjuster for train brake pads. Background technique [0002] The adjuster for train brake pads is a key component of train brake pads. The adjuster for train brake pads can ensure that the friction blocks on the adjuster are automatically adjusted to The same plane increases the contact area during work, reduces overheating fatigue, improves the heat dissipation capacity of the brake pads, and delays the decline of the friction performance of the brake pads. The State Intellectual Property Office of China discloses CN101982668A, a train brake pad adjuster, which includes a bearing plate, an adjuster ball cup and an adjuster spherical body. Through holes, the lower part of the bearing plate has an adjuster spherical body, and also includes a mounting boss and an adjuster positioning convex pin; the mou...
Claims
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IPC IPC(8): B23P15/18
CPCB23P15/18
Inventor 张太良万永福
Owner 江苏威鹰机械有限公司