Needle roller bearing cage connecting line production process
A production method and technology of needle roller bearings, applied to bearing components, shafts and bearings, mechanical equipment, etc., can solve problems such as difficult control of product quality, many manufacturing processes, and waste of materials, so as to improve material utilization and save production materials , Reduce the effect of the production process
Inactive Publication Date: 2008-09-17
SUZHOU BEARING FACTORY CO LTD
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Problems solved by technology
The prior art products have many manufacturing processes, long process, serious material waste, and difficult to control product quality
Method used
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[0030] Example: such as figure 1 As shown, the production line sequence is from right to left, a method for in-line production of needle roller bearing cages, including the following steps:
[0031] (1) Install the steel strip 1 on the uncoiler 2 to uncoil and enter the adjustable speed punch press 3. The adjustable speed punch press 3 is provided with a combination mold for cage punching, stepping and pressing, and the steel strip 1 is adjustable Enter the working area of the mold on the high-speed punching machine 3, step by step and cross punch the pinholes for the cage, and then mold it into the cross-sectional shape required by the cage;
[0032] (2) The steel strip 1 enters the forming welding machine 4 after passing through the window punching and pressing on the adjustable speed punching machine 3, such as figure 2 As shown, the left end is the steel strip 1 with the window hole 7 after punching and pressing, and the right side is the unprocessed steel strip 1;
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The invention discloses a method of producing a needle roller bearing retainer wiring, which comprises the following steps: (1) a steel belt is installed on a decoiler for decoiling and then enters an adjustable punch; (2) the steel belt enters a figuration welding machine after going through the processes of window punching and pressing on the adjustable punch; (3) the steel belt, after going through the window punching and pressing, is cut by a cutting station arranged on a figuration welding machine, and the length of the cut steel belt is the length of an unfolded circumference of a needed retainer plus a welding margin; (4) the cut steel belt enters a crimping station arranged on the figuration welding machine and is rolled into a shape of a cylinder, and the two terminals of the steel belt are butted to form a joint; (5) the joint is welded by a welding head on the figuration welding machine. The method has the advantages that the production technique is improved; the production procedures are reduced; the manufacturing process is shortened; the working efficiency is improved; the production material is saved; only one operation person is needed in the normal production by adopting the retainer production line, thus saving a great amount of man-hour cost.
Description
technical field [0001] The invention relates to an in-line production method of a needle roller bearing cage. Background technique [0002] There are two main types of manufacturing metal needle bearing cages in the existing process: 1. Turn the steel pipe into a car, and then perform window punching on the turned steel pipe to form a window hole for placing the needle roller; 2. Draw the sheet metal into a circle barrel shape, and then turn the edge and the bottom of the barrel to form a tube shape, and finally form a window on the tube wall. The products in the prior art have many manufacturing processes, a long process, serious waste of materials, and difficult control of product quality. Contents of the invention [0003] The purpose of the present invention is to provide a method for in-line production of needle roller bearing cages, which improves the production process and enables the needle roller bearing cages to be manufactured in an assembly line, reduces produ...
Claims
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IPC IPC(8): F16C33/54
Inventor 王传波潘国良耿卫
Owner SUZHOU BEARING FACTORY CO LTD