Sunshine Technology International（HK）Limited

Straightening Machine

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The straightening machine is a equipment that can straighten section steel, bars, pipes, wires etc. The straightening machine will extrude the bars to change its straightness by using the straightening rolls. Normally there are two rows of straightening rolls, there are also the two-roll straightening machines, it can do straightening to materials with different diameters by changing the angles of the two rolls.

Two roll straightening mill

Item	UOM	Specifications
Item	UOM	RD15	RD20	RD35	RD60	RD80	RD100	RD150	RD200	RD250
Bar diameter	mm	Φ4-15	Φ6-20	Φ8-35	Φ12-60	Φ15-80	Φ30-100	Φ50-150	Φ80-200	Φ130-250
Yield Strength	N/mm	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100
Original curvature	mm/m	≤4	≤4	≤4	≤4	≤4	≤4	≤4	≤4	≤4
Surface roughness	Ra	≤3.2	≤3.2	≤3.2	≤3.2	≤3.2	≤3.2	≤3.2	≤3.2	≤3.2
Straightening precision	mm/m	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3
Roughness After burnishing	Ra	≤0.4	≤0.4	≤0.4	≤0.4	≤0.4	≤0.4	≤0.4	≤0.4	≤0.4
Straightening speed	m/min	10-30	10-30	10-30	10-30	10-30	10-30	6-20	6-20	6-20
Main motor power	KW	11×2	20×2	20×2	55×2	75×2	110×2	180×2	400×2	480×2

Seven-roll straightening machine

Item	UOM	Specification
Item	UOM	RD20	RD60	RD80	RD100	RD150	RD200	RD250
Bar diameter	mm	Φ6-20	Φ12-60	Φ20-80	Φ30-100	Φ50-150	Φ80-200	Φ130-250
Yield Strength	N/mm2	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100	≤1100
Original curvature	mm/m	≤20	≤20	≤20	≤20	≤20	≤20	≤20
Straightening precision	mm/m	≤1	≤1	≤1	≤1	≤1	≤1	≤1
Straightening speed	m/min	10-60	10-75	10-75	10-75	10-60	10-60	10-45
Main motor power	KW	30×2	75×2	90×2	132×2	230×2	480×2	520×2