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Biaxial Stretching Machine For Film Testing
Biaxial Stretching Machine for Film Testing is a high-performance material testing and processing equipment designed for bi-directional stretching testing and production of films, sheets and other flexible materials. The machine simulates the bi-directional stress on the material in actual use, and helps users to accurately analyze the mechanical properties of the material, such as tensile strength, elongation at break, stress-strain relationship and so on.
Description
POTOP Co., Ltd. is a high-tech enterprise specializing in the research, development, production and sales of advanced experimental instruments and equipment.
Professional team
An experienced 50+ R&D team capable of meeting customized needs
7x24 hours delivery
Provide 7x24 hour delivery capability and be able to respond to customers within 24 hours.
The stretching diagram is shown in Figure 1, in which MD and TD represent the machine and transverse stretching directions, respectively.Adopting two servo motors driven by toothed chain drive, high tensile force, and at the same time can accurately control the tensile speed and tensile times.
development process of Biaxial Stretching Machine For Film Testing
In October 2015, the team began the research and development journey of Biaxial Stretcher.
In the second half of 2017, the design and development of three series of five models of Biaxial Stretcher and the prototype have been completed.
In November 2019, the first small vertical double pull instrument was delivered to the customer, and in December of the same year, the first ten times stretch ratio Biaxial Stretcher instrument was delivered to the customer.
In November 2020, POTOP Biaxial Stretcher obtained the authoritative CMA and CNAS certification through strict third-party testing.
As of 2022, POTOP has delivered 50 (sets) of each series of biaxial stretching instruments to customers, and now there are still several orders to be delivered. In terms of technology, POTOP has obtained four patents related to the Biaxial Stretcher, and a number of patent applications are under review.
In 2023, we started to research and develop the film biaxial stretching test line, and formally delivered it to our customers in 2024, realizing the production line integrating extrusion, casting, longitudinal stretching and transverse stretching.
Parameter Setting For Biaxial Stretcher
Manual operation flow: Press "XY film loading position" → "tray cylinder" (the cylinder rises to assist the release of film) → "XY clamping position" → "chuck cylinder" → "XY clamping position" → "XY clamping position" → "XY clamping position". "Chuck cylinder" (clamp the film, confirm that the nitrogen is open) → 'tray cylinder' (cylinder down) → 'pusher stretching position' (to confirm the film stretching temperature, such as PET stretching temperature) 104℃, when the temperature of infrared sensor of stretching box reaches 104℃, keep warm for a period of time to carry out the next step) → "XY Stretch", "X Stretch" or "Y Stretch" (the next step after stretching is completed) → "XY Stretch", "X Stretch" or "Y Stretch". XY stretching", 'X stretching' or 'Y stretching' (the next step after stretching is completed) → 'Pusher loading position' → 'Chuck cylinder' (release the film)
Automatic operation flow: press "XY loading position" → "pallet cylinder" (the cylinder rises to assist the release of the film) → "XY clamping position" → "chuck cylinder" → "XY clamping position" → "Y stretch" (one step after stretching) Chuck cylinder" (clamp the film, confirm the nitrogen open) → 'pallet cylinder' (cylinder down) → 'manual mode' (switch to automatic mode) → 'automatic start'. "Auto Start" (Before starting automatically, set the parameters (e.g. stretching times, speed, stretching temperature, holding temperature, holding time before stretching, setting time, etc.)
Technical Parameter
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MODEL |
FOCI-10 |
FOCI-05 |
FOCI-04S |
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Applicable materials |
PP,PE,PET,PVDF,PTFE,etc. |
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Sample thickness |
0.1mm - 2mm Pneumatic clamp/0.2-1mm Manual clamp |
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Minimum sample size |
95mm×95mm |
80×80mm |
|
|
Maximum sample size |
110mm×110mm |
100×100mm |
|
|
Speed precision |
0.01mm/s |
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Speed mode |
Constant rate of change (high)/constant rate (simple) |
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stretcher force |
2000N |
1000N |
1000N |
|
Extension ratio |
10:1 |
5:1 |
4:1 |
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Size of the stretcher mechanism |
1600×1600×225mm(L × W ×H) |
870×870×175 mm(L× W ×H) |
720×720×175 mm(L ×W ×H) |
|
Drive way |
Servo motor |
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The highest temperature |
250℃ |
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Weight |
<2800kg |
<1200kg |
<700kg |
|
Outline dimension |
4400×2300×1900mm |
2900×1400×1700mm |
1800×1000×1650mm |
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