Company M had a supply conveyor line that was clogged owing to adhesion of solid paste, but they did not use any special device to solve the problem; they just disassembled and cleaned the relevant locations or struck them with a rubber hammer as occasion arose. This created a problem of low efficiency and contamination which destabilized quality.

If the blockage elimination equipment is installed directly to the piping, welding work is required because the piping is SUS. However, it was finally installed with an SUS fixed band because heat from welding may deform the piping, weaken it, or alter its material. The blockage location depends on the workpiece to be supplied. Therefore, this method was adopted because of the advantage that the installation position can be changed.

Maintainability is improved and the frequencies of disassembly, cleaning, and pipe striking have decreased. This allows a stable supply. Although the adhesive state depends on the material type and environmental temperature, utilizing the variable impact force function featured in air knocker allows the appropriate impact vibration to be selected, which contributes to problem solving. Company M reported that they appreciated that the installation position can be freely changed and that the impact force is variable, achieving controlled labor costs and the prompt homogenization of quality.

It was appreciated that adhesion and blockage can be reduced in the supply pipeline and that the installation position and impact force can be freely changed on site. It was also reported that labor costs were reduced and the product quality was soon homogenized.