Gearing Calculation of Apron Draft Jute Spinning with Easy 2 Formula

Introduction:

In order to control the original drafting of a sliver, the apron draft spinning frame is very well suited to do so, as it is drafted by a few rollers as well as aprons. It is therefore called Apron Draft Spinning Frame. This spinning frame produces much more yarn than the conventional spinning frame does, and the yarn is much more balanced. The yarn is extremely strong and is much stronger than the conventional spinning frame. In this article, we will learn gearing calculation of apron draft jute spinning frame with easy formula.

Major Parts of Apron Draft Jute Spinning Frame:

Sliver can	Feed plate
Retaining roller	Conductor
Apron	Apron plate
Drawing roller	Drawing pressing roller
Yarn detector	Flyer cop
Flyer leg	Bobbin
Spindle	Bobbin carrier
Bobbin rail

General Specification of Apron Draft Jute Spinning:

Motor rpm = 1250.
Motor pulley diameter = 8.5″
Machine pulley diameter = 13.5″
Tin cylinder diameter = 5.8″
Flyer diameter = 1.8″
TCP = 37T
DCP = 49T
Drawing roller diameter = 2.4″
Retaining roller diameter = 1.3″

Formula Require for Gearing Calculation:

Following 2 formula is require for gearing calculation of apron draft jute spinning frame.

Diagram of Apron Draft Jute Spinning:

Gearing Calculation of Apron Draft Jute Spinning Frame:

Result of Calculation of Apron Draft Jute Spinning:

Flyer speed= 2536 RPM
Surface speed of retaining roller= 40.98 inch/min.
Surface speed of drawing roller= 940 inch/min.
Surface speed of tin cylinder= 14,333.52 inch/min
Draft=23
Draft constant= 1127
Twist/min= 3
Twist constant= 111

Conclusion:

An apron drafting sliver spinning frame is a very important and necessary machine in any jute industry. In this article, I tried my best to present the calculation in a simple way. If you have any questions about apron draft jute spinning, please do not hesitate to ask me. Please spread the word by sharing my article.

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