The video tutorial of triangular needle machine sewing is as follows:

1. Tools and materials needed:

Sewing machine: ensure that the machine works normally and is equipped with suitable needles.

sewing thread: select the appropriate wire as required.

cloth: prepare the cloth to be sewn.

2. Steps:

1. Preparation

Select the appropriate wire and needle: select the corresponding wire and needle according to the thickness and color of the cloth.

pretreatment of cloth: align the edges of the cloth to be stitched, so as to ensure neat cutting and eliminate possible wrinkles.

2. adjust the sewing machine

to set the stitch: set the stitch to an appropriate width, which usually matches your desired sewing width.

thread track: ensure that the thread track is correct and the sewing thread can pass smoothly.

3. Carry out triangular needle machine sewing

Start sewing: place the cloth under the sewing machine and align the starting point of machine sewing line with the edge of the cloth.

start sewing: start the sewing machine, slowly push the cloth forward, and keep the sewing line aligned with the edge of the cloth. Step forward and keep a consistent sewing speed.

sewing angle: in the process of sewing, when you approach the edge of the cloth, the direction of the sewing line should change gradually, showing a slow angle, thus forming the effect of a triangular needle.

stop sewing: when you reach the end of the cloth, stop sewing and leave enough threads.

III. Precautions:

Stable sewing speed: maintain a stable sewing speed to ensure that the lines stitched by the triangular needle are neat and consistent.

appropriate stitch width: adjust the stitch width as needed to ensure that the width of the stitched line meets the expectations.

triangular needle machine sewing method can bring decoration and firmness to the edge of cloth, and it is widely used in many sewing projects. By practicing and mastering this sewing technique skillfully, you can add more features and beauty to your sewing works.