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HIGH STRAIGHTNESS AND HYDRAULIC PROTECTION JZ7G 60Seven Roller Straightening Machine
HIGH STRAIGHTNESS AND HYDRAULIC PROTECTION JZ7G 60Seven Roller Straightening Machine

HIGH STRAIGHTNESS AND HYDRAULIC PROTECTION JZ7G 60Seven Roller Straightening Machine

The WXC series of center-less lathe and JY series of straightening machines are high -level new equipment with independent intellectual property rights on the basis of absorbing and digesting foreign advanced technology, making adventurous innovation, and research&development take into consideration of actual situation of domestic companies. Our technology reaches the domestic advanced level in reliability and quality while keeps a relatively lower price, with its efficiency more several times than the conventional process. Our products are suitable to process different kinds of metal material, for instance, black metal material such as structural steel, alloy steel, spring steel, bearing steel,tool steel, copper and copper alloy, aluminum and aluminum alloy, magnesium alloy, titanium and titanium alloy and other non-ferrous metal materials. WXC series of centerless lathe is high-efficient specialized lathe to make a rough or fine machining to the surface of bar material such as slender shaft and other bars. It is able to not only get rid of the imperfection on the bar surface , de-carburized layer, crack etc, but also to guarantee relatively high accuracy. It is especially suitable to process extra long bar and bar with large machining allowance.
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7 cross roll straightening machine

 

Design and manufacture of machine

1.1 Designing institution: Yantai Haige Machine Tools Co.,Ltd.

1.2 Manufacturer: Yantai Haige Machine Tools Co.,Ltd.

1.3 Origin of machine: Yantai, Shandong province,China

1.4 Machine Model: JZ7G60,seven-roll Straightening Machine

 

Main Technical Parameter

1. raw material: hot rolled bar

2. specification: Φ15-φ60×2000-7000mm

3. material:  Carbon tool steel, carbon structural steel, alloy tool steel, alloy structural steel, spring steel, bearing steel, stainless steel, high speed tool steel,  and other special steel.

4. material property:yield strength:≤880Mpa
5. temperature when straightening:room temperature when steel material, when Titanium alloy needs to be heated.

6. input curvature：≤5mm/m,input curvature in full 7m length ≤20mm.Two ends chamfered, no hook end.
Diameter tolerance:≤d-2-GB/T 702

Ovality:Φ15≤d≤Φ60:≤50% of diameter tolerance

7. output straightness: ≤1mm/m( this should be the measured valve minus ovality , when near limit diameter of the range or two ends of the bar ,the straightness is ≤1.8mm/m)

8. process rate: 5-20m/min(the speed should be reduced when straighten the material with high hardness,strength,limit diameter,larger roundness,straightness)

 

 Machine Introduction

  This machine makes reference and comparison to the advantages of the prototype machines from various foreign companies, and at the same time takes domestic production characteristics into consideration to proceed the practical design for the purpose of optimization. This machine is able to do stable running with high efficiency and good surface quality of bar and pipe. It is suitable for factories which engaged in steel finishingindustry,use this machine to straighten bar and pipe, and is able to provide accordingly technical grade to different customers and different need.

 

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