SU929290A1

SU929290A1 - Method of producing shaped ring articles

Info

Publication number: SU929290A1
Application number: SU802975293A
Authority: SU
Inventors: Константин Николаевич Богоявленский; Олег Иванович Баранков; Владимир Николаевич Востров; Владимир Викторович Лапин
Original assignee: Ленинградский Ордена Ленина Политехнический Институт Им. М.И.Калинина
Priority date: 1980-06-02
Filing date: 1980-06-02
Publication date: 1982-05-23

Description

Изобретение относитс к обработке металлов давлением и может быть использовано дл накатывани внутренних и наружных зубчатых профилей.The invention relates to the processing of metals by pressure and can be used for rolling internal and external gear profiles.

Известен способ накатывани внутренних и наружных зубчатых профилей посредством трех зубчатых валков при осевой подаче заготовки относительг.о инструмента tl.There is a known method of rolling internal and external gear sections by means of three gear rolls with axial feeding of the blank relative to the tool tl.

Недостатками способа вл ютс низка производительность, раскатка кольцевой заготовки и незаполнение металлом вершин зубьев у торцов заготовки .The disadvantages of the method are low productivity, rolling of the ring billet and metal not filling the tops of the teeth at the ends of the billet.

Наиболее близким к предлагаемому по технической сущности и достигаемому результату вл етс способ изготовлени профилированных кольцевых изделий, при котором кольцевую заготовку подают в зону обработки, ввод т в контакт ее внутреннюю поверхность с наружной поверхностью рабочих инструментов и осуществл ют накатывание с одновременным фиксированием инструментов в радиальном и тангенциальном направлени х эталонным кольцом соосным заготовке 2.The closest to the proposed technical essence and the achieved result is a method of making profiled ring products in which the ring billet is fed into the treatment area, its inner surface is brought into contact with the outer surface of working tools and performs rolling at the same time tangential directions with the reference ring coaxially billet 2.

Однако указанным способом можно накатывать зубчатую поверхность только на внутренней поверхности кольцевых заготовок, что не обеспечивает высокой производительности.However, this method can roll a serrated surface only on the inner surface of the ring blanks, which does not provide high performance.

Кроме того, зубчата поверхность на наружных поверхност х кольцевых In addition, the dentate surface on the outer surfaces of the annular

10 заготовок, работающа впоследствии в контакте с внутренней зубчатой поверхностью , котора накатываетс соответственно другим инструментом, не может иметь полного соответстви , 10 of the workpieces, working subsequently in contact with an internal toothed surface, which rolls according to another tool, cannot be completely matched.

15 так как погрешности изготовлени суммируютс .15 as the manufacturing errors are summed.

Цель изобретени - повьш1ение производительности и качества изделий.The purpose of the invention is to increase the productivity and quality of products.

Поставленна цель достигаетс тем, The goal is achieved by

Claims

20 that, according to the method of manufacturing shaped annular products, in which the annular billet is fed into the treatment zone, its inner surface is brought into contact with the outer surface of the working tools and rolling with simultaneous fixing of the tools in the radial and tangential directions by the reference ring, coaxially, at the same time, two annular workpieces concentrically arranged with a gap are fed to the rolling zone, working tools are inserted into the gap between the ring blanks and simultaneously with the contact of each working tool with the inner surface of the outer billet, it is in contact with the outer annular surface of the inner billet, additionally fixing all the working tools in the radial and tangential directions by a second reference ring, which is coaxial with the inner ring billet. . FIG. 1 and 2 illustrate a turning lathe illustrating the proposed method. Simultaneous rolling of the toothed surfaces of the outer 1 and inner 2 rings of the mechanism is carried out as follows. The outer ring 1 billet is inserted into the cage 3. The inner ring 2 is bent onto the axis 4. The rolling surfaces of the toothed surfaces are carried out by knurling 5, which are placed in an annular gap between gauges 6 and 7, the gear surfaces of which have the geometry of the finished stake. the calibration ring performs simultaneous axial movement of the knurling wheels, resulting in rolling of the surfaces of the outer and inner rings. In this case, two schemes can be implemented: a scheme with a stationary inner ring blank and a inner calibration ring and a circuit with a fixed outer calibration ring and outer ring blank. Probably requires the use of blanks made according to the 2nd accuracy class. Example. The method is implemented on a 1B61M turning screw cutter (Fig. 2). The yoke 3 with the workpiece 1 fixed in the body, with an outer diameter of 170.2 mm and a wall thickness of 8.2 mm and a caliber of 7 is mounted in the chuck of the machine. Axis 4 with the workpiece 2 attached to it with an inner diameter of 80 mm and a caliber 6 is mounted concentrically in the holder 3 and pressing J | with the tailstock 10. The workpiece 2 and the caliber 6 are fastened with a nut 8. When the machine cartridge is rotated at 45 rpm, The simultaneous movement of the knurling machines 5 at a speed of 0.5 mm / s with the aid of a stop 9, ti fixed to the longitudinal support of the machine. Working stroke 50 mm. Nakatshan time 100 s. The toothed rings of the planetary gear with a small module rolled. Long modes are implemented in laboratory conditions on a machine unsuitable for a given process. With the use of specialized equipment, the time for nakatizania is reduced by 2-3 times. This compensates for the manufacturing error of each gear. Claim Method A method of manufacturing profiled ring products, in which an annular billet is fed into a treatment zone, is brought into contact with its inner surface with an outer surface of working tools and is rolled with simultaneous fixation of tools in the radial and tangential directions with a reference ring coaxial to the billet, different so that, in order to increase the productivity and quality of the products, two concentrically located with a gap are simultaneously served in the nakatogani zone m ring blanks, working tools introduced into the gap between the ring blanks and simultaneously with the contact of each working tool with the internal surface of the external blank made its contact with the external annular surface of the internal blank, additionally fixed all the working tools in the radial and tangential direction x of the second reference ring, which have coaxially inner ring billet. Sources of information taken into account in the examination 1. USSR author's certificate number 249160, cl. B 21 N 5/02, 12.10.67.

2. USSR author's certificate number 181032, cl. B 21 N 5/00, 06.06.63 (prototype).

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