Durston - D4 158

D4 158

Customer surveys in several 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.

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

Triple stage reduction is used for easy rolling and minimum effort.

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


Cabinet Stand	Multi Stand
See cabinet stand page for more details

Click on each drawing below for a larger view

Model	D4 158mm
Upper Roller Drawing
Lower Roller Drawing
Roll Size	158mm x 60mm
Sheet Capacity (thickness)	7mm
Width of Flat	158mm
Wire Capacity	12mm - 1mm
No. of Wire Grooves	19
Gear Ratio Sheet	11 - 1 (optional 5 - 1)
Gear Ratio Wire	5 - 1 (optional 2.5 - 1)
Extension Rollers (top) Click to view	4 'D' Grooves 4, 3, 2 & 1.5mm
Extension Rollers (bottom) Click to view	3 'D' Grooves 8, 6 & 3.5mm
'D' Grooves on Main Wire Roll Click to view	3 'D' Grooves 7, 6 & 5mm
Dimensions in mm Click for more detail	420 x 200 x 600
Net Weight	75kg


Online User Guide	Download About Us Home Page Contact Us Products F.A.Q	Download User Guide
Durston Rolling Mills - British Made - In use Worldwide - Registered British Design Site best viewed at 800 x 600 All rights reserved. No part of the publication maybe reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the copyright owner.