H.S. Birdi Industries

THE MOST PRECISE & ACCURATE MACHINE

DHARAM Up stroke forging screw presses (steel body & cast iron body) are manufactured under strict supervision of qualified technicians. These are most precise, smooth running, durable strong in construction, accurately finished and very easy to install.

DHARAM Up stroke forging screw presses minimise the cost of production, very famous for trouble free performance and are fully guaranteed for service.

FEATURES : Graded Steel Body, Screw Made of Alloy Steel, Quality Leather Used, Special Design, Silent Running, Fitted With Roller Bearing & Phosphorous Bronze, Easy To Set.

These machine are specially designed to make bolt head of any kind, forge, spikes, panaheaded rivets, hub bolt, box spanner, head refractory and Naushadar bricks can also be made on it. Motor parts Machinery parts can also be made on it. The main frame is of Cast Iron & Steel Body and of generous proportion and reinforced with ribs. The main shaft carrying the pulleys runs on roller bearings fixed in cast Iron pedestals bolted on the frame in between the pedestals are mounted two cast iron discs which drives the wheel fitted with leather lining by hexagonal bolts thus imparting motion to an alloy steel square threaded screw fixed with a key and nut to it. On the screw is mounted a mild steel slide and Ram with replaceable cast iron strips sliding and Ram against the guide ways of the main frame. To the bottom of screw is fitted a phosphorous bronze insert for carrying the block set. The slide and Ram is balanced by a counter weight which ensures smooth running.

A hand control lever is fitted at the front of the machine so as to conveniently operate a clutch fitted to the main shaft. On depressing the control leaver, engagement of the drive is effected by the longitudinal movement of the shaft and the discs there on against the friction wheel.

In a normal working the control lever is simply depressed and released where upon the slide and Ram performs stroke by upward movement of the slide and Ram on the screw and comes to rest in horizontal position.

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