HGHXD Ten 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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Product descripation

1) In order to meet the production requirements of the thin-wall pipe to prevent the pipe head from flattening, the 5 upper rollers of the straightening machine have the hydraulic quick opening function.Ensure that the steel pipe head can smoothly move into the straightening machine.

2) The five upper rollers and the three middle and lower rollers of the straightening machine have the height adjustment function, which can realize various bending straightening processes according to different straightening process requirements.

3)The Pressing down adjustment and angle adjustment of straightening roller adopts electric adjustment encoder feedback.

4) The straightening roller is assembled with an integral roller seat and the centre calibration of the straightening roller adopts off-line calibration to ensure that the centre of the straightening roller is in a straight line after installation, no need to proceed with center line calibration. It is only necessary to adjust the press down and angle according to the straightening process parameters.

5) The roller change mode adopts C-type roller change mode, and each straightening roller can be replaced separately, convenient and flexible.

6) Anti-oxidation skin measures are taken into consideration at all the sliding surfaces of the straightening machine to ensure the reliable operation of the equipment and facilitate the equipment maintenance.

7) The whole lower roller adjustment mechanism of the straightening machine is installed on the upper surface of the lower crossbeam, and the adjustment and maintenance of the lower straightening roller are very convenient.

8) Beside the straightening machine is equipped with straightening roller press down and angle adjustment(wireless)handheld operation box, which is used for adjusting the roll gap and the angle of the straightening roller.

9) The design of the lower beam of the straightener takes full account of the collection and treatment of oxide scale, which will not flow to the outside of the straightener and will not generate accumulation.

10)The straightening machine is driven by AC frequency conversion, which enables both closed-loop speed control and load balancing control, as well as realize the low speed feeding, high speed straightening and low speed throwing out in accordance with the trapezoidal rolling control method. It can effectively increase the production pace while ensuring the quality of straightening.

Outer diameter of steel pipe	F90mm ～F250mm
Steel pipe wall thickness	5.5 mm ～20mm
Steel pipe length	5.5 m ～12m
Maximum weight of a single steel pipe	1200kg
Steel type and Standard	see product outline
Yield strength	25~100kgf/mm2
Straight temperature	normal temperature
Straight speed	0.2~1.2m/s (variable frequency speed regulation, rated speed of 1.0 m/s)

Maximum bending degree	pipe end part	15mm/1.0m
	Pipe body part	≤10mm/1.0m
	Whole length of the pipe body	≤0.6% of the pipe length
Bending degree after straightening	pipe end	1.5mm / 1000mm
Bending degree after straightening	Pipe body	1.0mm / 1000mm
Surface quality	After straightening the surface of the steel pipe must not produce new defects, no dents and damage, no bruises on the end of the pipe, no flattening defects on the straightening head.
Straighteningblind area	≤350mm