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  • Product Name：Grid tensiometer

  • Product number：TETKO 7-50N
  • Product manufacturer：TETKO
  • Product documentation：
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a brief introdction：
In the SMT process, solder paste printing is a very important part, and the steel mesh is undoubtedly one of the important factors for the quality of solder paste printing. Under normal circumstances, the tension of a steel mesh needs to be maintained at 30-50N/cmo steel mesh tension is too small, easy to cause less tin, offset and other poor printing, tension is too large when the film will pull
Details description：

Instructions for use

1. Clean and check the glass to ensure that there is no foreign matter on the glass;
2, the tension meter on the front of the zero adjustment plate glass (not too strong)
3. If the dial pointer is not aligned with the check point, please refer to Step 44. Twist G counterclockwise with your hand until the dial can be rotated. Rotate the dial dial until the dial check point is aligned with the pointer, and then rotate the dial lock clockwise to lock the dial rotating dial (Note :a, the dial at zero time pointer is not necessarily 90 degrees with the horizontal line, it is normal to deviate from left to right. b, in daily use, if the zero adjustment plate has a large gap or broken, it should be replaced in time. c, do not tear the label on the zero adjustment plate glass in use, so as to separate the front and back, and be sure to zero correction on the front when correcting. 5. Repeat the check again, if the check is normal. The tension meter can be used for tension testing (Note: The tension meter has been corrected before the factory, the user does not need to adjust.
Warm reminder: When the tension meter is placed on the check glass, the pointer reading is zero, generally pick up the pointer reading is not zero,
Some people do not put the tensiometer on the calibration glass, directly pick up to see that the pointer is not zero and feel that the instrument is broken or not allowed, so directly to zero calibration is wrong. Must be placed on the test glass, adjust.
How to place the steel mesh tensiometer: Place the non-printed side of the steel mesh on the horizontal platform. Place the whole tensiometer smoothly on the surface of the net at 15-20cm from the edge of the outer frame, and tap the surface of the steel net several times with your finger, then the pointer points to the actual tension of the steel net at present (Newton reading). Take five measurements, as shown in the figure:

In the test found that the steel mesh tension can reach the specified requirement value can continue to use, if the test found that the steel mesh tension has been lost to unusable, the steel mesh abandoned. So as not to affect the SMT processing quality of the product in the printing process.

Note: the tension meter has been corrected before the factory zero, the user does not have to adjust, the tension of the net with N/cn, N/cn, that is, how much tension the net yarn in each centimeter width (usually expressed by N-Newton or kG-KG, so the Newton display tension meter is a practical tension meter; Reading display method: The reading of the tensiometer reading pointer is inaccurate at the beginning of the first circle, and the reading of the pointer is normal at the beginning of the second circle) and flick the mesh beside the tensiometer.


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