2-needle machine, automatic lubrication mechanism via oil pump and mechanism to disengage the needles to make corners or closed corners. Equipped with thread cutter and automatic presser foot lifter. Sewing speed 2,500 stitches/min Equipped with integrated motor and bench.

### Used Sewing Machine: Materials, Operation, Types, Advantages and Convenience of Purchase

#### Materials Used in a Sewing Machine

Sewing machines are designed to work mainly with fabrics of various types, including:

1. **Cotton**: Used for clothing, bedding and table linens.
2. **Linen**: Commonly used for tablecloths, towels and lightweight clothing.
3. **Silk**: Used for elegant clothing and accessories.
4. **Denim**: Used for jeans and durable clothing.
5. **Leather**: Used for high-quality clothing and accessories.
6. **Polyester**: Commonly used for sports and home apparel.

#### How a Sewing Machine Works

A sewing machine is a machine that uses a needle and thread to join pieces of fabric together. Here are the main components and how they work:

1. **Needle**: Passes through the fabric to form stitches.
2. **Thread**: Forms the stitches and holds the fabric pieces together.
3. **Bobbin**: Contains the lower thread that intertwines with the upper thread during sewing.
4. **Pedal or button**: Controls the speed of the machine.
5. **Fabric guide**: Keeps the fabric in place while sewing.
6. **Adjustment knob**: Adjusts the stitch length and width.
7. **Motor**: Provides the energy needed to run the machine.

During the operation, the fabric is placed under the needle and the machine is activated. The needle moves up and down, passing through the fabric as the upper thread is pulled by the movement of the needle. The lower thread is fed from the bobbin and intertwines with the upper thread forming the stitches.

#### Types of Sewing Machines

1. **Home Sewing Machine**: Designed for home and hobby use, it can handle a variety of light and medium fabrics.
2. **Industrial Sewing Machine**: Designed for heavy use in production environments, it can sew heavy fabrics such as denim and leather.
3. **Specialized Sewing Machine**: Designed for specific applications such as embroidery, quilting or automated sewing.

#### Advantages of a Used Sewing Machine

1. **Cost Savings**: Buying a used sewing machine is generally less expensive than buying a new one.
2. **Low Depreciation**: Used sewing machines have already experienced most of the initial depreciation, keeping their value more stable.
3. **Access to high-quality models**: You can afford high-end models that might be out of your budget if purchased new.
4. **Immediate availability**: Used machines are often available immediately, with no waiting time for production or delivery.
5. **Durability**: Sewing machines are built to last.
A well-maintained machine can function effectively for many years. 6. **Environmental sustainability**: Buying used reduces waste and promotes a more sustainable use of resources.

#### Considerations for Buying a Used Sewing Machine

- **Machine Condition**: Check the overall condition of the machine, including needle, bobbin, motor and general functionality.
- **Maintenance history**: Ask about previous use and maintenance performed.
- **Functional testing**: If possible, test the machine to make sure it works properly and without mechanical problems.
- **Material compatibility**: Make sure your sewing machine is suitable for the types of fabric you intend to work with.
- **Brand and Model**: Some brands and models are known for their durability and ease of repair. Research the available models and prefer those with a good reputation.

Buying a used sewing machine can be an advantageous choice, allowing you to obtain a high-quality appliance at a reduced price and contributing to greater environmental sustainability.