Tensioner/Stretching Machine

Automatic stretching machine

Mesh stretching is the most important step during screen plate manufacturing. the Tension consistency will directly influence the quality of printing.

Product Description

Mesh stretching is the most important step during screen plate manufacturing. the Tension consistency will directly influence the quality of printing. Our company have invested a lot of manpower, resource and time into research and developemnt, this machine is one of our large scale mesh stretching equipment.

 

One major highlight is intelligent automation control. Not only save the manpower and material resource, but also increase efficiency and accuracy. By using the stability of mechanical motion, realised the synchronism of strecthing. and the consistent tension of warp and weft realised the maximize the screen tension.

 

Highlight 2: Automatic pneumatic chuck, synchronous operation, in the process, no manual labor needed to operate the chunk one by one.

 

Highlight 3: stretching angle is controllable.the machinical stretching is best suitable for making screen with a certain angle.the machine has angle controller function which can reduce human error and multi stretching mode options.

 

The stretching process: After Startup, the crossbeams return back to home position under the control of PLC and serve motor.

Then select date set of screen stretching, the four crossbeams will move to appropriate position immiedately, decrease the height of the worktable and put the frame on. for oblique stretching, you can select rule for positioning, then laying the mesh on the table and clamping the mesh tightly by  pneumatic switch. press the start button, the high pressure chunk will clamp the mesh more tightly, the stretching process starts automatically. when stretching stopped, measure the tension, use accurate adjustment method if additional adjustments is required. raising the worktable, when the frame touched the mesh, coat adhesive and drying. press the stop button, the crossbeams will return to home position, then take the screen plate down.

 

Equipment advantages

1、PLC progress logic control, combined with the touch screen can realise the record and storage of multiple technology date. the screen plate which manufactured by our stretching equipment has high extension consistency.

During the whole stretching process, manual labor is needless.

2、The machine is separate structure design. easy for shipping.

3、 Each moveable part has been strictly designed and assembled, operation steadily, uniform speed and no noise.

4、x-axis and y-axis work independently, avoid extension decreasing caused by deformation of mesh.

5、Applicable frame thickness not exceed 100mm.

6、AC servo motor stretching option, ensure the accuracy of extension and adaptation of the mesh.

7、Pneumatic mesh clamping system, unique double pneumatic control, the first step clamping can be achieved efficiently by the switch on the side frame.

8、Adopt new technology of mesh clamping, convenient and efficient.

 

Technical parameter

1、Maximum frame size(mm): 3600×2600mm

Maximum frame size(mm): 1600×2400mm

2、Tension error range: ±0.5N

3、Noise: Below 70 decibel

4、Power: 3KW

5、Power supply: 380V/50HZ

6、Ambient temperature: at room temperature

 

Equipment composition.

Machnical part

1、Main frame: be welded in fine carbon steel, rational construction and forced condition is good.

2、Side frame: moveable and hided side frame, save space, easy to brush adhesive, specialized guide rail cooperate with high precision lead screw drive, operate steadily.

3、Worktable rising and falling: when the stretching progress is completed, the worktable will rise to specify height and touch the mesh, you can fine turning the tension.

4、Gearmotor operation part: adopt imported Panasonic AC servo motor, cooperated with high precision gearmotor, ensure the stability of tension and repeated accuracy.

5、The clamping component: air cylinder clamping, save both time and labor, no jointless design can protect the mesh from laniating.

 

Electronical part

1、Equipment Control: adopt PLC+Touch screen, the speed of motor and stop position are adjustable, the the options of manual, automatic and fine adjustment. etc, parameters can be modified on the touch screen.

2、At the touch of a button, the whole stretching progress will soon be completed, you can edit the date set in real time on the touch screen. (you can edit and save the data of multi dimensions of screen plates). so when the dimensions of screen plate changed, you only need to select relevant data set, then the streching progress can be completed.

3、Pointing control function: x axis control the two long sides, the y axis control the two short sides. in order to achieve the consistency of tension, fine adjustment is necessary.

4、Z axis control the rising and falling of the worktable. it the can be setted according to the thickness of frame.

 

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