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DAC Block Details PDF

The document provides specifications for welding thickness, notches, holes, and dimensions for blocks of different thicknesses. It specifies that for block thicknesses of 19mm, 38mm, and 75mm and above, the minimum notch length is 25mm and maximum notch width is 6mm. It also notes that holes should always be on the length side of the block and provides details on hole diameter, depth, location tolerances, and required minimum block dimensions for different hole sizes.

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Shrikant Utekar
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3K views2 pages

DAC Block Details PDF

The document provides specifications for welding thickness, notches, holes, and dimensions for blocks of different thicknesses. It specifies that for block thicknesses of 19mm, 38mm, and 75mm and above, the minimum notch length is 25mm and maximum notch width is 6mm. It also notes that holes should always be on the length side of the block and provides details on hole diameter, depth, location tolerances, and required minimum block dimensions for different hole sizes.

Uploaded by

Shrikant Utekar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Thickness

of Block Weld Thickness Length of Notch Notch Width Notch Depth


19MM Up to 25mm Minimum 25mm (1inch) Max 6mm 0.304~0.418mm
38MM Over 25mm to 50mm Minimum 25mm (1inch) Max 6mm 0.6~0.836mm
75MM over 50mm to 100mm Minimum 25mm (1inch) Max 6mm 1.2~1.65mm
over 100mm Minimum 25mm (1inch) Max 6mm

Notes 1)Holes always on Length Side


2)1/2t Hole on one side, 1/4t&3/4t Holes on other Side
3)Hole Tolerance +/-0.8mm, Location of hole tolerance +/-3mm
Hole Block Length
Diameter Hole Depth Block Width (3t Min) Length Should be
2.5mm 38mm 150mm Min 57mm Min 120
3mm 38mm 150mm Min 114mm Min 150
5mm 38mm 150mm Min 225mm Min 300

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