An amplification of the traditional sewing machine, the industrial sewing machine is popular among apparel manufacturers and household users looking for a more efficient, modern, technical update of the domestic staple. Setting it apart recognizably from a household machine is the power stand. The power stand houses the motor, the element that takes the machine to the next level. The majority of manufacturers will suggest a one-half horsepower 3450 rpm or 1750 rpm motor for their machines, and a recommended pulley size will be indicated in most cases.
There is a delicate balance between the horsepower of the motor and the size of the pulley. For thinner fabrics, the larger the pulley, the more spm (stitches per minute). For thicker fabrics, a small pulley will allow for the necessary oomph to power the stitches.
So, what are the pros and cons? Industrial vs. household? Though a household sewing machine provides a greater variety of features, such as the straight stitch, the zig-zag, button-sewing, and buttonhole-creating, its speed and accuracy are incomparable with that of the industrial. In summary, it offers a plethora of functions, but usually has about one-tenth horsepower, 3450 rpm, and 800 spm, as opposed to the industrial's 4500-5500 spm.
There are other options on the market, as well, such as the semi-industrial, heavy duty, and industrial strength, all terms that can confuse an unfamiliar consumer. The semi-industrial label is usually a farce, a phrase to used to talk up the average machine. Heavy duty implies the ability to sew through thick, heavy fabrics; an iffy, vague characterization which only the horsepower, rpm, and spm facts can validify. Industrial strength, as well, is questionable. The only way a consumer can make an educated decision is to skip the good-sounding terms and look at the facts.
The type of industrial sewing machine for the job is easy to place for the well-informed customer. Below, we'll discuss the three main types of available industrial machines, and the tasks they're most appropriate for.
Drop Feed Sewing Machine
The drop feed machine is the most common class of industrial sewing machines. It simply means that the cam controlling the feed drops to its lowest point, securing the fabric and making for a perfect stitch. The cam then moves higher, allowing the fabric feed to shift, then drops again. This system is popular with a wide range of users. It works well at both high and low speeds, and self-lubricates, which in turn manages heat. This machine would be used for dressmaking or garment repair, or similar undertakings.
Needle Feed Machine
The needle feed machine's system is similar to the drop feed machine, but more adept with handling heavier fabrics, and very large fabrics. For example, this machine would be used for making the sail for a boat.
Walking Foot
The walking foot method is often used for thick materials such as leather, or upholstery with a foam lining. It utilizes the needle feed system with the movement of the top feed.
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