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Vertical scraping rolling and rolling composite processing technology,

Vertical scraping rolling and rolling composite processing technology,

Country/Region china
Company NINGBO CITY JINGHENG KAIXIANG MACHINERY CO.,LTD
Categories Cold Rolling Mill
Update 2019-06-13 04:36:19
ICP License Issued by the Chinese Ministry
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Home > Products > Vertical roll flaking light machine tools > Vertical scraping rolling and rolling composite processing technology,

Vertical scraping rolling and rolling composite processing technology,

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Vertical scraping rolling and rolling composite processing technology, a reciprocating scraping rolling function can be completed. The machining precision can reach IT8 level, the surface roughness can reach Ra005-0.2 M. Mainly used for hydraulic cylinder hole machining, compared with traditional honing machine the equipment with low noise, no pollution, and can greatly save labor cost, high processing efficiency. Than the old boring and rolling or boring and honing can save processing time of 80-90%.
Processing capacity: ability to the cylinder hole scraping and rolling completed a one-time processing. The production efficiency is greatly improved, 80 times more than the traditional machining method. Achieve the cylinder wall mirror effect (Ra = 0.03um~0.2um)
Vertical scraping rolling machine which is specialized in manufacturing hydraulic cylinder processing equipment, this is another breakthrough in reform, a technical problem of deep hole technology. It is the deep 2-3 process to complete the work, one-time finish. The pusher and a complete coarse scraping, completing this procedure at the same time after rolling scraping by retracting the opportunity. The rolling process, the workpiece roughness of Ra0.2. Can replace the ordinary honing of deep hole and. Deep hole processing rolling technology is a non cutting processing, the internal surface of workpiece surface roughness reaches requirements of several major advantages of rolling deformation by attributes:
1、improve the surface roughness, roughness can reach Ra0.2 M.
2、The 2 amendment, roundness, elliptic degree0.02mm. Coaxial degree0.06mm/M,
3、improve the surface hardness, so that the pressure eliminating deformation, hardness HV ≥;
4、after processing any residual stress layer, and increase the fatigue strength increased by 30%
The burnishing tool on the workpiece surface rolling finishing and rotation, the uneven pressure, at the same time, the excess material into the gap. It can produce plastic deformation. The near surface material layer flow, to achieve smooth effect, the processing speed is determined by the material and the needed surface specifications. Features and advantages:
1) surface quality to Rz< 1 M.
2) dimensional stability of high grade It8, tolerance.
3) assembly processing safety rapid and low cost.
4) using only one procedure.
5) finish surface harder and more wearable.
6) tool is simple, no extra cost.
7) to very fast and safe production.
8) very high load bearing ratio (up to 90%).
9) compared with grinding, honing or lapping, very economic.
10) surface hardening is between 5% - 10%.
11) short processing time. Every minute line speed can be up to one hundred meters.
12)long service life. Can improve the life of sliding parts, hydraulic, pneumatic cylinder type O ring and gasket sealing material with resin and metal. Sealing material to friction and cylinder, so the sealing material should have good compliance and metal, as well as in the seal without due to friction wear. Convex portions are formed by section curve grinding and shot peening after processing, the protruding part will be significant wear sealing material. The rolling process is the protruding part of RCC, thus forming a smooth plane, and the contact fluid sealing materials, significantly reduced the rod sliding and wear, it is widely used in automobile brake cylinder, oil cylinder, valve body and a buffer to manufacture field.
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