Description and working principles of simplex machine

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Description and working principles of simplex machine:

Description of simplex machine:

A simplex machine usually consists of the following parts:

1. Creel zone.

2. Drafting zone.

3. Delivery zone.

4. Spindle driving mechanism.

5. Bobbin’s driving mechanism.

6. Headstock & tail stock.

7. Others.

1. Creel zone:

Sliver cans from the drawing frame are located in this area. The creels depend on the number of spindles in the machine. There are exactly as many creels and as many sliver cans as there are spindles. https://bdfabric.com/roving-frame-introduction-objects-functions/

2. Drafting zone:

Several pairs and rows of rollers are placed above and below. The draft depends on the variation in speed of the front and rear pair of rollers. The bottom of the pair of rollers is grooved and the top is covered with synthetic rubber.

Simplex Machine

3. Delivery zone:

The bobbin and flyer for winding the roving reside in this area called the spindle. Usually, 1 frame has 2 rows of spindles and a flyer on the head of each spindle.

4. Description and working principles of simplex machineSpindle driving mechanism:

There is a driving mechanism along the length of the floor near the bottom of the machine to turn the spindles. This mechanism oscillates with the spindle.

5. Bobbin driving mechanism:

All bobbins are usually placed on a rail i.e. bobbin rail, which extends along the entire length of the machine. The bobbin rail moves up and down.

6. Headstock & tail stock:

The machine has a headstock at one end and tail stock at the other end. The headstock is also called the gearing end. At this end are the gearings of the machine, which are enclosed in a box. The tail stock consists only of the machine frame, the frame contains the bearing box, and the bearing box contains one end of the rollers.

7. Others:

In addition to the above components, the simplex machine has components like a clarifier, angle drum, building motion, automatic shutdown, etc.

Working principles:

The sliver cans from the drawing frame are placed under the creel at the rear of the machine. The slivers from the can are brought over guide rollers and enter the drafting zone. There is an automatic stop of the machine when the sliver is torn. As the sliver passes through several rows and pairs of rollers, necessary drafting is done to reduce the single-length weight and deliver it from the front roller.

The roving is twisted in the section from the front pair of rollers to the rise of the flyer. The flyers are perforated and hollow on one side of the leg, the twisted roving comes out through a narrow hole at the bottom and is wound on the bobbin. Both the flyer and the bobbin spin rapidly. However, the speed of the bobbin is less than the speed of the flyer, causing the roving to tangle in the bobbin.

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