Multi-roll straightener – Pipe & Rod Straightener
Multi-roll straightening machine is a type of straightening machine used for straightening pipes, rods and other round-shaped section bars.
As it can straighten pipes and rods with round-shaped section, it is practically called pipe & rod straightening machine. Most of the roller shape adopts a hyperbolic shape, that is, the three-dimensional hyperboloid formed by the rotation of the equidistant hyperbola around the roller shaft is a roll-shaped curved surface, so the multi-roll straightening machine is also called a hyperbolic roll straightening machine.
Only electing cross-roll straightening machine by reasonable roller system and roller quantity according to the characteristics of the straightened pipes and bars can obtain ideal straightening effect.
Primary technical parameter
Number |
Model |
Straightening range |
Straightening speed |
Bending before straightening |
Bending after one straightening |
Motor |
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Min. dia. |
Max. dia. |
Yield-limit |
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mm |
mm |
Mpa |
m/min |
m/min |
m/mm |
kW |
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1 |
LGJ12 |
4 |
12 |
≤650 |
≤40 |
≤30 |
≤1 |
0.75×2 |
2 |
LGJ16 |
5 |
16 |
1.1×2 |
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3 |
LGJ20 |
6 |
20 |
1.5×2 |
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4 |
LGJ30 |
8 |
30 |
5.5×2 |
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5 |
LGJ40 |
10 |
40 |
11×2 |
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6 |
LGJ60 |
15 |
60 |
15×2 |
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7 |
LGJ80 |
20 |
80 |
22×2 |
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8 |
LGJ100 |
40 |
100 |
30×2 |
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9 |
LGJ120 |
40 |
120 |
≤490 |
≤30 |
45×2 |
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10 |
LGJ160 |
60 |
160 |
55×2 |
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11 |
LGJ180 |
80 |
180 |
75×2 |
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12 |
LGJ220 |
80 |
220 |
90×2 |
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13 |
LGJ325 |
120 |
325 |
110×2 |
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14 |
LGJ425 |
160 |
425 |
132×2 |
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15 |
LGJ680 |
220 |
680 |
160×2 |