Key type air shaft

Spline-type air shaft: Name: also known as convex-button air shaft, spline air shaft and so on, but the same works. When households have ordered air shaft air shaft shall specify the type, size, marked an important dimension of the shaft tolerances and order volume, any special requirements, otherwise indicated. Features: body made of high quality steel shaft, chrome plated, aluminum convex bond stretching flexible; rapid deployment of quality rubber bladder filled with exhaust gas nozzle, and good sealing effect, long life, removable stub, easy maintenance. After inflation, the expansion is a key part of the article, usually unilateral expansion height of up to 5-6 mm, 3 inches-button air shaft, usually paper tube inner diameter of 76 mm. Application: key air shaft expansion from the single spline, each spline fulcrum spread to balance the force, the applicable amount of machinery rolling bearing heavier items. For example: cloth / thin film / print / leather / composite materials. Suitable for coating, cutting, printing, rewinding, paper, bag, plastic, and other related mechanical retractable reel shaft, effective high efficiency.