How to deal with the seam crossing?

How to deal with the seam crossing

1, the first choose special pressure seam tool that is sewn down a ball, the ball to a 45-degree bevel and ceramic tile surface, to speed up from behind the start laid hands on him forcibly even to mention.

2, pressure after a crack in the middle of the intersections and other sides to the outward pressure respectively.

3, after the seam pressure ball in the center of the cross Angle of position, the pressure out of the cross.

it is important to note here, section by section to seam pressure of cross interface, not from beginning to end, is too long can lead to the back of the material product; Seam pressure the ball in the hands, handle the Angle of the need to improve, and accelerate the filed, it can reduce the seam pressure ball hands when sub sag occurs.