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countries have shown a need for this type of mill to work with wider
sheets up to 150mm with a very large reduction.
As with the D2 120 there are two sets of rolls with the sheet rolls
extended for D shapes (4 D's). Also in addition to this the wire
rolls are also extended for 'D' shapes and a further 3 1/2 rounds
on the wire roll, (please see chart for sizes)
The same high quality specification on the bearings and roll steel
as the rest of the Durston
range and or course, incorporating the high quality hardened
helical gearing for long life and smooth operation.
An easy to read calibrated
disc is provided for sheet rolls showing the roll gap in inches
and millimetres. Fine pitch threads and gear tooth form allows
for easy roll adjustment. |
The high spec D4 158
including a total of 10 1/2 rounds
19 square grooves
158mm of flat and a very large reduction.
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This Rolling Mill is supplied with two turning levers. The first (lever B) is used for heavy rolling – this incorporates a gear reduction of 11-1 or use the 2nd turning lever (lever A) for lighter rolling at twice the speed. (gear ratio of 5 – 1). Handle change over time is a few seconds.
D4 158 on Cabinet Stand
Click on image for larger view
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A Triple stage gear reduction with two turning levers
which are engineered to assure easy rolling with minimal effort.
Ideal for the rapid reduction of rod and cast bar to the required
size.
Stands available for the
D4 158 |
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Click on each drawing below for a larger view |
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Roller Drawing |
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158mm x 60mm |
158mm x 60mm |
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7mm |
7mm |
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158mm |
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10mm - 1mm |
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19 |
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11 - 1 / 5 - 1 |
5 - 1 / 2.2 - 1 |
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420 x 200 x 600 |
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75kg |
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Durston Rolling Mills - British Made - In use Worldwide - Registered British
Design
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owner. |
