Surface-layer quality in shot treatment

Tamarkin, M. A.; Tishchenko, E. E.; Lebedenko, Viacheslav

doi:10.3103/s1068798x10020115

Cited by 9 publications

(3 citation statements)

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“…The presented materials make it possible to assert that the combined processing methods [4], one of which is an electric-contact one, can be extensively used not only in the repair and recovery of pipelines, but also during their laying in the period of constructing the building structures. They are also used to replace the accepted procedures of mechanical processing, since they allow to reduce the time of the operation, do not need further cleaning of workpiece joints during their assembly, prevent the possibility of environmental pollution and work safety violation, and do not require the disassembly of pipelines for accessing the operation site.…”

Section: Resultsmentioning

confidence: 99%

“…During electric-contact processing, the material is heated in the zone of the electric discharge, which causes the change in the surface layer. Numerous tests and experience of using the combined process, described in [4][5][6], have shown that the depth of change at the boundaries of steel parts does not exceed 300 µm, which does not affect the quality of a welded seam and the tightness of a joint. 4 The perspectives for using electric-contact processing in the assembly of pipelines of building structures and the recovery of hydraulic systems of products…”

Section: The Schemes Of Electric-contact Processing Of Pipeline Jointsmentioning

confidence: 99%

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Mobile Processing of Pipeline Assembly Units

2019

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The paper addresses the issues, related to the preparation of pipeline docking elements during the repair and recovery of pipelines in field conditions with a limited scope of technological equipment. It has been shown that the replacement of traditional processing methods by combined types of preparation of replaceable pipeline sections for welding can improve the accuracy of mating elements, preventing the occurrence of burrs at the joint. This enhances the quality of repair, ensures the tightness of pipelines, reduces the cost of operation and the period of pipeline recovery. The application of the electric-contact method of processing assembly units, based on the proposed schemes, makes it possible, without sophistication of mobile servicing means, to timely restore the performance of products, eliminating the causes of emergency situations in construction and during operation of pipelines in hydraulic systems of transport machines, especially when used under operation in high-pressure media.

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Section: Resultsmentioning

confidence: 99%

Section: The Schemes Of Electric-contact Processing Of Pipeline Jointsmentioning

confidence: 99%

Mobile Processing of Pipeline Assembly Units

2019

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“…Vibrational treatment contributes to the crushing of roughness peaks, to the increase in the profile reference length, increase in the radii of the protrusions' peaks, which leads to an increase in the contact area of mating surfaces and contributes to improving of the operational properties of products [13].…”

Section: Discussionmentioning

confidence: 99%

The dependence of the performance of the process of finishing vibration processing on the shape of the abrasive tool (granules)

et al. 2020

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The article presents the results of experimental studies of the influence of polymer abrasive granules shape on the surface roughness formation and metal removal during vibrational finishing and hardening treatment (VFHT). As is known, surface roughness and the amount of metal removal are affected by a number of factors: binder material, material and granularity of the abrasive, technological lubricant-coolant medium (LCM) type, loading mass, initial roughness, etc. Processing was carried out for 120 min on a UVG-4x10 vibrating machine, with a working chamber volume of 10 dm3. Metal removal Q (grams) and surface roughness Ra (μm) were measured using an AD-200 analytical balance and an SJ-210 profilometer. The results presented show that polymer abrasive granules have high cutting ability, the intensity of which depends on the shape of the granules.

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Novel Blasting-Like Lubricating Process for Cold Extrusion

Chen

Gong³

et al. 2023

J. Shanghai Jiaotong Univ. (Sci.)

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Surface-layer quality in shot treatment

Cited by 9 publications

References 0 publications

Mobile Processing of Pipeline Assembly Units

Mobile Processing of Pipeline Assembly Units

The dependence of the performance of the process of finishing vibration processing on the shape of the abrasive tool (granules)

Novel Blasting-Like Lubricating Process for Cold Extrusion

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