ABSSAC Motion Club

Power Screws & Nuts

Lead screw and nut combinations are often chosen from standard ranges to convert the rotary motion of the screw into a linear movement. However sometimes the nut design can be adapted to deliver more than one advantage.One big advantage is that nuts can be manufactured in just about any machineable material including bronze, steel or advanced plastics such as Delrin, PTFE and Turcite.

Recently ABSSAC supplied a unique nut design solution for use within a hot glue gun dispensing machine. Initially a standard square bronze nut was choosen to match a 20mm diameter by 4mm lead trapezoidal power screw. The bronze nut was then meticulously separated into two working halves. When the two halves were brought together via a precision slide arrangement, also supplied by ABSSAC, the nut functioned in complete confidence as if it were whole.

The captivated nut, which also allowed the mounting of a dispensing glue gun, could then traverse the screw length as normal. The hot glue was accurately dispensed, but then at the end of travel the nut separated and returned quickly to the start position. This meant that the screw required only one direction of travel and reduced the cycle time for the glue head to return to the start position. To date, we have supplied many bespoke nut designs, including optical mounts, cams, external threads, mounting holes, pulley grooves, tangs and linear guides to name a few.

Power leadscrew with captivated nut design

Should you have a linear application why not call Phil Jones our linear expert:

01386 421005

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Phone  01386 421 005   Email

E1A The Enterprise Centre, Enterprise Way, Evesham, Worcestershire. United Kingdom. WR11 1GS

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Abssac · E1A The Enterprise Centre · Enterprise Way · Evesham, Worcestershire WR11 1GS · United Kingdom