Refurbished Barrel Process-Jianghan Drilling Tools|Downhole drilling tool

Qianjiang Jianghan Drilling Tools Co., Ltd.

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Refurbished Barrel Process

Release time:

2019-05-15

The hardness of the inner surface of the barrel is higher than that of the screw, and its damage is later than that of the screw. The rejection of the barrel is the increase in the inner diameter due to time wear. Its repair method is as follows: 1, due to wear to increase the diameter of the barrel, if there is a certain nitriding layer, the barrel hole can be directly boring, grinding to a new diameter size, and then according to the diameter of the preparation of new screw. 2. The inner diameter of the cylinder is machined and trimmed to re-cast the alloy with a thickness of 1~2mm, and then finished to size. 3. Under normal circumstances, the homogenization section of the barrel wears faster. This section (5 ~ 7D long) can be trimmed by boring and equipped with another

1. If there is a certain nitriding layer for the barrel with increased diameter due to wear, the inner hole of the barrel can be directly bored, ground to a new diameter size, and then a new screw can be prepared according to this diameter.

2. The inner diameter of the cylinder is machined and trimmed to re-cast the alloy with a thickness of 1~2mm, and then finished to size.

3. Under normal circumstances, the homogenization section of the barrel wears faster. This section (5 ~ 7D long) can be trimmed by boring, and then equipped with a nitriding alloy steel bushing. The diameter of the inner hole refers to the diameter of the screw, and stays in the normal fit clearance for processing and preparation.

After the repair, the plasticizing parameters in the whole machine do not need to be modified, and its service life is much higher than the conventional material parts purchased by you, bringing greater wealth to the rubber and plastic industry.

Tag:

Daily Maintenance Method of Twin Screw Extruder

Injection molding machine screw barrel hardware problems

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