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China Famous JY160AY 2 Roll Bar Straightening Machine

Series JY straightening machine is mainly used forprecision straightening for the metal bar after peelingor granding and pre-straightening for the metal bar. The machine adopted special curve between upper concave and the lower convex two straightening rolls to realize calendering and straightening at the same time,which greatly improved the working efficiency. Series JY two-rolls Straightening Machine consists of two-beams and four-columns structure,prestressed structure and frame structure.

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Main Technical Parameters

Model		JY160AY
Input material	Straightening range（mm）（non-drawing material）	Tensile strength σ_b≤450（Mpa）	Φ50≤d≤Φ150（L ≥3000）
		Tensile strength σ_b≤1700（Mpa）	Φ50≤d≤Φ140（L ≥3000）
	Material length（mm）	3000-7000
	Surface hardness	≤HB380±10
	straightness（mm/m）	Bright bar：≤3black bar：≤4
	Diameter tolerance(mm)	Bright bar：≤IT10 black bar：≤0.6mm
	roundness(mm)	Bright bar：≤0.04black bar：≤0.5
	Surface roughness（Ra）	Bright bar≤6.3mm; black bar：≤12.5mm
Output product	straightness（mm/m）	Bright bar：≤0.50;black bar：≤1.5（measured by platform feeler gauge）
	Diameter tolerance	Bright bar≤IT10; black bar：better that billet
	Surface roughness（Ra）	Bright bar≤0.8μm black bar：better than billet
Nos. Of rollers		2
Diameter of roller（mm）（for reference）		Φ550
Feeding rate（stepless speed change）		2~10（m/min）
Main motor power（kW）（reference）		160*2
Lifting motor power（kW）		7.5
External dimension（m）（reference）		Main machine:126346564625
weight（t）（reference）		Main machine 71t
Total capacity（kW）（reference）		340
Compressed air source(user prepare)		0.5~0.8MPa、1.8m³/min、with two stage oil and water separator

Introduction

Characteristics

1,fast feeding and straightening speed,which can reach 10-30m/min.

2,with special carves ,it can straighten and calender materials at the same time.

3,high precision.straightness can be 0.15-0.4mm/m,surface roughness Ra≤0.8μm.

The most vital part of a straightener is the twostraightening rollers, which designed by our qualified engineers.The up roller is concaveand the lower one is convex,which formed a special curve to press strongly onto thematerials to realize straightening,as well as straightening.

Characters:

♦Optimum straightening effect, even with high strength materials
♦Straightener roll from alloyed and hardened chrome steel

♦Two-roll principle with concave upper roller and convex bottom roller to ensure that the ends are straightened

♦Lateral guidance of the bar to be straightened between the straightener rolls by special guide ledges

♦Long striaghtening roller life due to coolant lubrication

Our service:

1. Free quality guarantee period for 12 months, except for wearing parts.

2. Free provide long-term technical support

3. Free train buyer’s operator in seller’s factory

4. Fast response service within 24 hours

5.Our engineers can offer overseas service, including guiding installation, commissioning, training, etc, if our customer needs.

Packaging and shipping

we have much experience in exporting transportation packaging.

Taking multi protection measures:

The first layer

wrapping with foam film and stretch film for the special components, in order to avoid moisture.

Second layer

inside of plywood box, adopting small square plywood block and strapping belt to fix.

Third layer

the machine itself has screw fixing holes, so it can be tightly fixed on the bottom of the plywood box through screw and nut.

Fourth layer

in a container, by compact layout, reducing the gap between boxes to avoid shaking. At the same time, reinforcing between the bottom of the container and plywood boxes once again, furthermore using hanging steel wire protection.

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