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Training – NPP Valok, OOO | all.biz
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Training
zakalka
zakalka
zakalka

Training

In stock
Price:
0.14 EUR
Wholesale:
  • 0.01 EUR/pcs  - from 2 pcs
Shipping:
Russia, Lipetsk
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Technical characteristics
  • BrandВалок
  • Country of manufactureRussia
Description

In NPP Valok original installation of horizontal type for induction training of rolling rolls or other cylindrical products with a diameter of barrel up to 650 mm was created. On this installation (fig. 1) training - the main thermal operation at restoration of rolls is made by method of repeated training (retraining). In general this technology includes:
- control of a roll on existence of cracks;
- high holiday or annealing;
- machining;
- training;
- low-temperature holiday.

By method of repeated training restore the rolls which failed because of a gain on a barrel of a roll of the rolled metal; decrease in the required hardness, etc.

Also NPP Valok makes rolls by a repoint on a smaller standard size of a roll of the roll which failed with formation of the sizes according to requirements of the drawing. For this purpose at the enterprise there is a necessary mechanical equipment: turning, milling and grinders. For example, from the failed working rolls of a camp 2030 cold rollings with barrel sizes: diameter of 600 mm, length of 2030 mm, after a row thermal and machining are made working rolls of a camp 1400 cold rollings with barrel sizes: diameter is 440 mm, length is 1400 mm. Also rolls with a diameter of barrel of 400 and a camp 1200 mm long 1200 cold rollings are made of the fulfilled rolls with a diameter of barrel of 440 and 1400 mm long. Firmness of such rolls is similar to firmness of rolls of other manufacturers, at much their smaller price.

Use of the developed technology allows to raise a resource of work of working rolls of cold rolling by 1,5 – 2,0 times and to reduce their purchase.

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