Automatic steel bar cutting machine
Steel Bar Shearing Machine CJ-80
CJ-80, an automatic shearing cutting machine specially designed for round bar cutting. It features high speed and efficiency, making it ideal for use in the fastener manufacturing industry.
Features:
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Equipped with a fully automatic feeding rack that automatically centers the material. No manual feeding, flipping, or alignment required — one operator can manage multiple machines, reducing labor intensity and saving costs.
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Adopts a fully enclosed flip-top blade mold design for easy tool change; it can rotate 360° for repeated use, offering longer service life.
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Reinforced gear made of alloy steel with standardized heat treatment for greater transmission torque.
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Crankshaft made of high-strength alloy steel with excellent rigidity and fatigue resistance.
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Professional-grade bimetal sliding guide rails provide superior wear resistance and durability.
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Automatic oil pump lubrication system for guide rails, with automatic alarm when oil supply is interrupted.
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Well-designed material stopper mechanism ensures precise cutting length and easy adjustment.
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Enclosed gearbox with oil-immersed gears and bearings provides reliable lubrication.
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Optimized stopper design delivers higher cutting accuracy, smaller weight deviation, and smoother cut surfaces.
Machine model | CJ-30 | CJ-40 | CJ-50 | CJ-65 | CJ-80 |
Maximum shear diameter (mm) | 30 | 40 | 50 | 65 | 80 |
Max Cutting speed(s/min.) | 60 | 60 | 50 | 32 | 25 |
Cutting length range (mm.) | 20-300 | 20-300 | 20-300 | 20-300 | 35-300 |
Max Section inclination | 2 | 2 | 2 | 2 | 2 |
Section roundness | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 |
Shear weight error (grams) | ±0. 5% | ±0. 5% | ±0. 5% | ±0. 5% | ±0. 5% |
Main motor power (kw) | 3.0 | 5.5 | 7.5 | 11.0 | 22.0 |
Weight of machine (kg) | 2000 | 2500 | 3500 | 5000 | 7000 |
Materail | Max cutting size (round) | ||||
#20 Steel Q235 | 30 | 40 | 50 | 65 | 80 |
20MN 20 Cr | 30 | 40 | 50 | 65 | 80 |
#45 | 30 | 40 | 50 | 65 | 80 |
#55 /40Cr /20 CrMn / 2Cr13 | 22 | 28 | 38 | 45 | 65 |
35 CrMo 3Cr13 | 20 | 25 | 32 | 40 | 60 |
42CrMo Gcr15 60Cr2Mn | 16 | 22 | 28 | 38 | 55 |
| Note: The maximum cutting size listed in the table is a reference value based on hot-rolled or annealed steel. If the material to be cut is in a cold-drawn or cold-rolled state, the maximum cutting size should be reduced by 20%. | |||||
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