JGH30 steel bar truss production line is composed of truss welding machine, bottom plate forming machine, steel plate spot welding machine, etc. Combining mechanical, electrical, hydraulic and pneumatic systems with microcomputer control, it can implement the entire process of steel bar truss welding, bottom plate forming and steel plates welding and assembling, annual production capacity reaches 30 square meters.
1. Vertical steel bar decoiler (decoiling passively): It consists of steel bar feeder (for 1 top chord, 2 bottom chords and 2 web members), steel bar measuring device; every decoiler consists of wire releasing shaft, central spindle, turntable and brake.
Max. coil weight: 3T
Brake pneumatic cylinder diameter: about φ100*50mm; quantity: 5pcs.
2. Steel bar storage device: This device is used to place and store the top chord, bottom chord and web member steel bar, and feed the steel bar to the truss production line.
Steel bar diameter: φ4-14mm
Steel bar quantity: 5pcs
Compressed air pressure: 0.6Mpa
Pneumatic cylinder diameter: aboutφ80*50mm; quantity 7pcs.
3. Steel bar second straightening device: it uses two sets of 7 straightening rollers to straighten top and bottom chord steel bars, while the 2 web member steel bars are straightened by the same set of 7 straightening rollers.
4. Steel bar bending device: It consists of 2 pairs of rotated chain wheel, bending arm, drive motor and upper and lower specifications adjusting device.
Motor power: about 15kw
Processing height range: 70-320mm
5.Steel bar conveying device: The steel bar conveying device adopts crankshaft drive; the stroke length can be accurately adjusted by means of eccentricity on connected rod.
|Model and Name||Parameter|
|JGH30 steel bar truss production line||Suitable raw material||Top chord main tendon||Screw thread steel|
|Bottom chord main tendon||Screw thread steel|
|Z type assistant bar||Round steel|
|Processing dimension||Top chord height(mm)||70-270|
|Bottom chord height(mm)||15-30(Curved truss)|
|Bottom width(mm)||135-140(Curved truss)|
|60, 80(Straight truss)|
|Feet folding length(mm)||30|
|Total power||585 or 155（AC frequency power)|
|Machine dimension (length×width×height)(mm)||40000×5000×4500|
|Total weight(T)||About 27|
|HG-576 bottom plate forming machine||Suitable raw material||Type||Galvanized steel|
|Machine dimension (length×width×height)（mm)||10000×1700×1000|
|JGH60 steel moulding board spot welding machine||Suitable Workpiece dimension||Roll formed steel plate width(mm)||576(or)600|
|Steel bar truss max.height(mm)||270|
|Total power||303(or)103AC frequency power)|