What does taper 1:20 mean in an engineering drawing?

Abhishek S
Abhishek S
27 Oct, 2012 04:35 PM

Thanks in advance.

4 Answers

William
William
Answered on 27 Oct, 2012 05:09 PM

It is a reduction in 1mm in radius for every 20 mm of length of shaft.

Muthukumar Sakthivel
Muthukumar Sakthivel
Answered on 27 Jan, 2018 12:21 PM

Formula taper=total length/(major dia - minor dia)

IMG_20180127_163318523.jpg IMG_20180127_163318523.jpg
cliff
cliff
Answered on 13 Sep, 2019 12:34 PM

A better answer

Self Explanatory.GIF Self Explanatory.GIF
M.Praveen Kumar
M.Praveen Kumar
Answered on 17 Sep, 2022 03:18 AM

It is a reduction in 1mm in diameter for every 20 mm of length of shaft.

Taper Ratio
K = D-d/L
Where,
K = Taper Ratio
D = Larger diameter of the taper
d = Smaller diameter of the taper
L = Length of the taper

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