HuiNuo QFZ Manual film adhesion Tester Circle-drawing method Adhesion Tester

The QFZ paint film adhesion Tester is used to determine the adhesion ability of various coating films to the surface of the coated object.

Structural principle

The main transmission part of QFZ paint film adhesion Tester is composed of a hand wheel, a sprocket, and a helical helical gear, and the workbench moves left and right when the handwheel is rotated, and the needle is drawing a circle at the same time.

The depiction head is made up of the following two components.

Double-ended square screws are used to adjust the upper and lower parts of the machine head.

The diameter of the depiction is adjusted by a lower dovetail plate that is connected by a sliding dovetail and a screw that drives the hand drawing needle.

3. The workbench part is equipped with a liftable half nut at one end and connects with the lead screw to drive the workbench to move back and forth, and there are four nuts and two pressing plates on the workbench to press and release the test piece.

4. The base part is used to support the workbench and the stroke.

How to use:

1. Prepare a sample according to the specified requirements.

2. It is recommended to replace the steel needle with a new steel needle at the beginning of use, and the tip of the needle is about 3 mm away from the work table.

3. Adjust the eccentric position of the needle tip according to the required depiction diameter, and then tighten it with screws.

4. Press the prepared sample with the coating film side up on the workbench and press it with a pressing plate.

5. Add weights to the weight tray according to the requirements of the regulations.

6. Lift the movable half-nut to move the workbench to the outer end, and then put down the movable half-nut.

7. Toggle the pressure rod to make the needle tip contact with the membrane surface.

8. Shake the handwheel, then the steel needle depicts a spiral pattern on the model, and the adhesion of the coating film can be judged to be excellent, good, medium, poor and inferior according to the pattern.

QFZ type paint film adhesion tester × 1, manual × 1

[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.