High Automation
One key adjustment of servo motor.
Low Wastage
Low unit wastage and low production cost.
High Accuracy
Diameter error is only 0.5/100 of the pipe OD.
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Shijiazhuang Zhongtai Pipe Technology Development Co., Ltd.was established in 2000 locating in Shijiazhuang, the capital city of Hebei Province. The factory covers an area of 67,000 square meters. Our main products consist high frequency straight welded pipe production line, cold roll steel production line, multi-function cold roll steel/welded pipe production line, slitting line production line, stainless steel pipe mill, various pipe mill auxiliary equipment and rollers, etc.
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The line adopts quick change system for the forming and sizing sections. The backup shafts can be pre-assembled with proper rollers. When switching, uses crown to load the shaft onto the production stands, settle the fixation bolt and connect to the transmission shaft (Transmission shaft is designed as quick-dissemble type which requires no is mount of flange plate screw). The dissemble of shaft utilize hydraulic system for easy operation. This kind of quick-change system has been tested in many scenarios which has proven to have perfectly deal with water back-flow issue and can simultaneously clear the scale cinder and dust while performing.
Product Information
Our Certificate
Product Application
Specialized in Pipe Production Line
More than 23 years...It is used for rapid roller replacement. Install the roller of the next steel pip e to be produced to the quick-change shaft in advance. When the steel pipe specification needs to be changed, the quick-change mechanism of the rack will push out the shaft with roller specification in use, and the quick-change shaft installed with the new roller can be put into production, so as to achieve the effect of quickly changing the steel pipe specification.
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Roller change period with quick-change system: Appr. 8 hours (typically 1.5-2 days needed without quick-change system).
When changing rollers, pull out the side of the entire shafting unit, lift the shafting unit with the first roller specification from the transport trolley with the crown and put it aside, lift the shafting unit installed with the second roller specification, place it on the transport trolley, and then push the shafting back to the frame. It reduces roller replacement time for the entire mill from ~6 hours to ≤2 hours.
If equipped with additional set of shafts, the appr. roller change period is < 2hours
When the pipe specification needs to be changed, preload the new specification and the quick-change shaft installed with the new roller can be put into production, so as to achieve the effect of quickly changing the steel pipe specification. If equipped with additional set of shafts, the appr. roller change period is ＜2 hours.