SL-PL002 Pen- Zig Zag Writing Tester 

Please review video of Zig Zag Writing Tester as below link: 

https://youtu.be/KSqgYl0VfQs

Application

This machine is used to test the refill.Draw a Zig Zag at a certain speed to check whether the stitch meets the performance requirements of Clause 3.6 of ISO27668-1.

Please review video of the ISO27668-1 SL-PL002 Pen- Zig Zag Writing Tester  as below link: 

https://www.youtube.com/watch?v=KSqgYl0VfQs&t=50s

Principle:

This machine simulates the state of writing with a pen. After placing a certain load on the sample, it writes circular marks at a certain speed to check whether the structure and performance of the sample are in good condition.

Parameters:

Standard:

This writing tester is made with reference to the requirements of Clause 3.6 of ISO27668-1

Note:

Please review video of the writing tester operation as below link:

https://youtu.be/3mtGI8q6Ti4

What is zig zag writing?

The zig zag letters are: v, w, x and z. When writing zig zag letters, remember to keep your lines straight! Watch the video below to learn more about zig zag letters.

 Try writing these letters in the air whilst the video is playing

How do you write zig zag letters?

Zigzag letters

begin to form lower-case letters in the correct direction, starting and finishing in the right place.

form capital letters and digits 0-9.

understand which letters belong to certain handwriting 'families' – or letters that are formed in similar ways.