I think it is a part for a sewing machine
holds the needle
The face plate is the vertical plate on the left side of the sewing machine. It is a protective covering for the needle bar and thread take-up mechanism. See the diagram linked below for a visual.
First of all make sure that you have the correct bobbin for the 6267 machine. There are quite a few and not all of them will fill with this machine. Open the slide plate underneath the needle and insert the bobbin. PARTIALLY close the slide plate. The marks on the slide plate and machine bed must be lined up for the bobbin winder to work. Bring thread from needle under the presser foot. Wind the thread one turn in any direction around the presser foot screw. Press the "One Step Buttonhole A" button on the control panel. Begin running the machine Watch through the slide plate until the amount needed is reached on the bobbin. Stop the machine , remove the thread from the presser foot screw.. Close the slide plate completely.
A base plate on a sewing machine is the flat, often metal surface that supports the fabric as it is fed through the machine. It typically features markings to guide seam allowances and may include a hole for the needle to pass through. The base plate also houses the feed dogs, which help move the fabric during sewing. Overall, it provides stability and precision while operating the machine.
under the slide plate above the bobbin case.
The plate that surrounds the feed dog on a sewing machine is called the needle plate or throat plate. It is typically made of metal and features a slot for the needle to pass through, as well as openings for the feed dog to move fabric. This plate helps guide the fabric and provides a stable surface for sewing. Additionally, it often has markings to assist with seam allowances and alignment.
Mine is engraved on the bobbin plate cover.
the feed dog on a sewing machine, feeds the fabric onto the base plate of the machine, so it can be sewn
theory of sewing machine
Singer sewing machine serial number. It's near the on/off switch on newer machines, and on the front panel or on a small plate on older machines.
sewing machine:) A sewing machine uses thread to fasten fabric together. A sowing machine plants seeds.