DIFFERENTIAL FEED

 

 

 

 

The differential feed

has two independent

feed dogs,

one

 

 

 

front

(A) and one rear (B).

 

 

 

 

Each

feed dog has

an

individual

feed mechanism

which

 

 

enables the feeding

of

material at

a different ratio.

 

 

B

(

POSITIVE DIFFERENTIAL

FEED

 

 

 

 

WHEN SET FOR POSITIVE DIFFERENTIAL FEED, the front

feed dog (A) makes a longer stroke than the rear feed dog

(B).

 

 

 

 

 

This has the effect

of accumulating

material

under the

the fabric.

 

presser foot to offset

the wavering

on

 

 

 

 

 

 

 

 

 

 

NEGATIVE DIFFERENTIAL

FEED

 

 

 

 

 

 

WHEN SET FOR NEGATIVE DIFFERENTIAL

FEED, the

front feed dog (A) makes a shorter stroke

than the rear

feed

 

dog (B).

 

 

 

 

 

 

 

 

This has the effect of stretching material

under the presser

foot to offset

the

puckering on the

fabric.

 

 

 

 

 

 

 

 

Illustration

*

I

Differential feed

dogs

 

 

 

 

 

 

 

 

 

 

*

II:

Positive differential feed

 

 

 

*111:

Negative differential

feed

 

 

*1

*11

*ffl

Page 44
Image 44
White W2500 manual Positive Differential Feed, Negative Differential Feed, Ffl

W2500 specifications

The White W2500 is a heavy-duty truck known for its robust performance and reliability, primarily designed for the demanding conditions of the commercial transport industry. This model stands out due to its powerful engine options, distinctive design, and the incorporation of advanced technologies that enhance both productivity and comfort for drivers.

One of the main features of the White W2500 is its formidable engine lineup. The truck typically offers several engine options, including turbocharged diesel engines that deliver exceptional torque and horsepower. This allows the W2500 to handle heavy loads with ease, making it a favored choice for transportation companies requiring performance under challenging conditions.

In addition to its powerful engines, the White W2500 is equipped with an efficient transmission system that optimizes power delivery. Much of the model's focus is on providing seamless driving experience, enabling smooth shifting and improved fuel efficiency. The transmission options often include both manual and automatic variants, catering to different driver preferences.

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