JY20A/JY20AY

JY20A/JY20AY

JY Series of straightening machine can realized precise straightening and polishing on the after peeling or grinding metal bar surface utilizing the special curves and angles between the top and bottom two rollers. It can be used in black bar material straightening as well.

Technical Parameters

Model
JY20A/JY20AY
material requirements
diameter range(mm)
Φ6≤d≤Φ20
length(mm)
≥2000
surface hardness
≤HB320
yeild strength(Mpa)
σb≤1000
straightness(mm/m
Peeled bar≤3.0; Hot rolled black bar≤4.0
diameter tolerance
Peeled bar≤h10;Hot rolled black bar:d-2-GB/T702-2004
roundness
≤50% of the diameter tolerance
surface roughness(Ra)
Peeled bar≤6.3μm
after straightening
straightness(mm/m
Peeled bar≤0.25;Hot rolled black bar≤1.0
surface roughness(Ra
Peeled bar≤0.8μm;Hot rolled black bar:improved compared with blank stock
diameter tolerance
Peeled bar≤h9;Hot rolled black bar:improved compared with blank stock
number of roller(pcs)
2
roller diameter(mm)
Φ180
feeding speed(m/min)
2~12
main motor(kw)
22kw X 2
Lifting motor(kw)
1.1
total capacity(kw)
47