Capillary Tube Beading & Chipless Cutting Machine

I Main features:

- Servo feeding, stable and high re-positioning precision

- One time processing two pieces, high efficient

- Orbited cutter with spray lubricant, chipless cutting

- With online pre-stretching and beading, both pneumatic driving

- PLC control, HMI operation, simple and convenient

II Main technical data  

No.	Item	Data
1	Suitable copper tube	Coil, TP1/2 (M/M2)
2	Suitable copper tube diameter range	Ф2.0~Ф6.5mm
3	Suitable copper tube wall thickness	0.2~0.5mm
4	Cutting length range	40mm ~ unlimited
5	Pay-off device	only one transmitting bridge coils horizontal laying on ground
6	Cutting pipes one time	2
7	Cutting speed	4 cuts per minute (@L=1000mm)
8	One-time feeding stroke	Continuous feeding, no length limit
9	Cut-to-length tolerance	≤0.3mm /1000mm
10	Tube end ID reduction ratio	f < 20% *
11	Roundness of cut tubes	Non-roundness ≤3%
12	Length difference among two pieces	≤0.5mm
13	Surface condition after cut	No apparent scratch, drawing marks; no burrs
14	Compressed air	0.5-0.7MPa
15	Total electric consumption	1.0kW
16	Main machine dimension	2800 x 1300 x 1600mm
17	Pay-off device dimension	2000 x 1000 x 2000mm

* 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%

III Main buildup:

3.1 Pay-off device: one transmitting bridge for two capillary tubes (coil reels laying on ground only)

3.2 Straightening & rounding device: straightening deformation can be adjusted for different hardness copper tubes. When size changing, rounding wheel and straightening wheel will be changed.

3.3 Feeding device: driven by servo motor; Pulling and clamping dies are driven by enhanced pneumatic cylinders.

3.4 Beading device: forming by pneumatic, positioning is achieved by servo motor and PLC control system

3.5 Cutting device:

- Orbited cutting blade, 95% penetration tube wall thickness

- Pull-apart design driven by pneumatic, stable feeding and quick returning; feeding stroke of orbited cutting blade can be adjusted to assure same mouth shrinking rate.

- Equipped with lubricant spraying device for lengthening blade life.

3.6 Unloading table: prepared by Buyer.

3.7 All the clamping dies are made by chrome steel, quenched HRC 50

3.8 Control system: PLC + touch screen

IV Main configuration:

- PLC + HMI: Mitsubishi from Japan

- Pneumatic components: SMC from Japan / Pneulead from Italy

- Servo motor: Estun from China

- Limit switch: Autonics from Korea

- Ball screw: TBI from Taiwan

- Buttons & relays: IDEC from Japan / SIEMENS from China

- Main bearings: NSK from Japan

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