Heavy duty sewing machine definition:
Heavy duty sewing machine is designed to extend daily sewing application for thicker material such as jeans, leather and denim, prefer to be included in the type of Industrial Sewing Machine or at least semi-industrial. This kind of sewing machine is typically for purpose of long-lasting durability and dependability.
Heavy duty sewing machine feature:
1. Simple design for stable operation and standard sewing spare part replacement;
2. Automatic micro-lubrication system;
3. High speed stitching, usually the main structure is applying metal frame to support mechanical operation.
Heavy duty sewing machine can sew both thick and light fabric:
Heavy-duty machines can easily stitch through heavy fabrics like jeans, leather and denim. These machines are equipped well enough in industrial standard to sew multi-layers of thick fabric.
Also for light fabric, you can use this kind of machine. So the investment on heavy duty machine will be bigger than single purpose sewing machine only on light fabric.
Heavy duty type sewing machine is equipped more functions such as backstitch device, thread-wiper device, presser foot automatic lifting, etc.
Heavy Duty Sewing Machine vs vintage sewing machine:
Many misunderstanding marketing information can be seen for vintage sewing machine, even we can see some people promoted vintage type as [heavy duty". This is wrong way to promote old sewing machine as heavy duty. Though it`s looking stronger than many modern sewing machines, the structure is not available to sew heavy fabric, at least can not perform beautiful stitches.
Heavy duty sewing machine buying reasons:
Major reason is to sew thicker, heavier, and stronger material. Industrial structure such as top and bottom feed can support the sewing work for denim, leather and canvas. For regular domestic sewing machine can not stitch through multiple layers at the same time. The other reason is to buy heavy duty machines to handle both heavy and semi-heavy fabric at the same time.
