7. SEWING

7-4. Needle and knife position

The feed bracket is electronically controlled by means of pulse motors.

It is not necessary to change the position of the knife when switching between cutting before sewing and cutting after sewing.

It is not necessary to change the needle down position in order to keep enough space for cutting when cutting after sewing has been selected.

Relationship between knife position and eyelet shape

0936Q

Straight section

Knife

ac

bd

Cutting shape (a x b)

Eyelet shape (c x d)

0937Q

1.When cutting before sewing, the inside needle down position must be aligned accurately with the

straight line section of the eyelet (when the cutting space is 0).

This is set correctly at the time of shipment from the factory.

2.The shape of the eyelet is automatically changed according to the shape of the knife for cutting before and after sewing and for no cutting.

 

Cutting shape

Eyelet shape (c X d)

 

(a X b)

Cutting before

Cutting after

Knife No.

 

sewing or no cutting

sewing

1

2.1 X 3.2

1.7 X 2.7

2.5 X 3.8

2

2.8 X 4.3

2.4 X 3.8

3.2 X 4.9

3

3.0 X 4.6

2.6 X 4.1

3.4 X 5.2

4

3.2 X 5.4

2.8 X 4.9

3.6 X 6.0

5

Straight

Straight

Straight

6

3.8 X 4.3

3.4 X 3.8

4.2 X 4.9

3.At the time of shipment, the installation position for the knife is adjusted to the position shown in the illustration at left (when the cutting space value is "0").

(When cutting before sewing) (When cutting after sewing)

Explanation of the cutting space function

When cutting after sewing, this function moves the outer needle down positions in accordance with the knife shape so that the seam is not cut by the knife.

0938Q

When cutting after sewing, set the cutting space to an appropriate value so that the seam is not cut by the knife.

*The cutting space should generally be set to around 0.2. (Refer to “6-3 Program setting method.”)

Cutting space

RH-981A

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Brother rh-918a manual Needle and knife position, Relationship between knife position and eyelet shape

rh-918a specifications

The Brother RH-918A is a versatile and innovative machine tailored for both personal and professional use. As a robust electronic sewing machine, it combines functionality and user-friendly features that cater to a wide range of sewing enthusiasts, from beginners to advanced users.

One of the standout features of the Brother RH-918A is its extensive stitch selection. With over 100 built-in stitches, including decorative stitches, utility stitches, and heirloom stitches, users have ample options to choose from, allowing for creativity and customization in every project. The machine also incorporates an easy-to-use stitch selector dial, making it simple for sewists to navigate and find the perfect stitch for their needs.

Another key characteristic of the RH-918A is its automatic needle threader. This time-saving feature allows users to thread the needle effortlessly, reducing eye strain and frustration, especially for those who may struggle with manual threading. Additionally, the top-loading bobbin system facilitates quick bobbin changes and ensures smooth feeding, enhancing overall sewing efficiency.

The machine is equipped with a powerful motor that provides consistent and strong stitches, able to handle various fabric types, from lightweight cotton to heavier materials like denim and canvas. This capability is critical for crafting garments, home décor items, and more intricate projects.

The Brother RH-918A also boasts several convenient features to enhance the user experience. An LED light illuminates the sewing area, making it easier to work on detailed projects, particularly in low-light environments. Furthermore, the machine includes multiple presser feet, such as a zipper foot, buttonhole foot, and walking foot, to expand its functionality and accommodate different sewing techniques.

For enhanced stability, the Brother RH-918A comes with a sturdy metal frame, ensuring durability and precision. Its intuitive interface, comfortable handwheel, and adjustable stitch length and width settings add to the overall ease of use, making sewing enjoyable for everyone.

In summary, the Brother RH-918A combines a wide range of stitches, user-friendly technologies, and robust build quality, making it an excellent choice in the world of sewing machines. Whether for basic repairs or elaborate creations, this machine stands out for its performance and reliability, appealing to a diverse audience of sewing enthusiasts.