I Description of Bundy tube straightening & chipless cutting to length machine
This machine is for straightening coil Bundy tubes and capillary copper tubes, detecting length and burrless cutting automatically.
This machine adopts pull-apart cutting technology which is the most advanced cut-off method in the world, which eliminates or minimizes tube ID reduction that could occured and brings burr-less cutting result as well.
II Main features of Bundy tube straightening & chipless cutting to length machine
- Servo feeding, stable and high re-positioning precision
- One time cutting two pieces, high efficient
- Adopting pull-apart technology, less tube end ID reduction ratio
- Orbital cutter with spray lubricant, chipless cutting
- PLC control, high automation-auto feed, auto cut, auto unload, auto alarm.
III Main technical data of Bundy tube straightening & chipless cutting to length machine
No. |
Item |
Data |
1 |
Suitable tube |
Coil Bundy tube |
2 |
Suitable Bundy tube diameter range |
Ф2.0~Ф6.0mm |
3 |
Suitable Bundy tube wall thickness |
0.2~0.5mm |
4 |
Cutting length range |
40~unlimited |
5 |
Pay-off device |
1, passive |
6 |
Coil reel size |
OD: 400~600mm; Weight: max. 100kg |
7 |
Cutting station |
1 |
8 |
Cutting speed |
8 cuts per minute (@L=1000mm)* |
9 |
Feeding speed |
Max. 0.5m/s |
10 |
One-time feeding stroke |
no limited |
11 |
Straightness tolerance |
≤2‰ |
12 |
Cut-to-length tolerance |
≤0.3mm /1000mm |
13 |
Length difference between two tubes |
≤0.5mm |
14 |
Tube end ID reduction ratio |
f < 25%* |
15 |
Roundness of cut tubes |
Non-roundness ≤3% (diameter ≤Ф12.7mm)
Non-roundness≤0.4mm(diameter>Ф12.7mm) |
16 |
Surface condition after cut |
No apparent scratch, drawing marks; no burrs |
17 |
Compressed air |
0.5-0.7MPa |
18 |
Total electric consumption |
1kW |
* 1- When cutting length is less than 100mm, there will be no pre-stretching function.
* 2- Tube end ID reduction ratio means: f= (d1-d0)/d0%
IV Factory facility assuring Bundy tube straightening & chipless cutting to length machine quality
We, Nantong Zhenhuan Trade Co., Ltd, established in 2004, is specialized in machine solutions for many years. We can provide good quality machines for air conditioner and heat exchanger production.