RYERTEX MACHINED FR4 STRIPPER TIPS & WIPER BLADES EXTEND LIFE AND SAVE MAN HOURS

Work roll cooling is an extremely important aspect of steel coil production within the Hot Strip Mill. Large volumes of water and coolant are sprayed onto the rolls so that they do not overheat and deform due to the extreme temperatures involved in the process. While water is an absolute necessity in order to preserve the quality of the work rolls, it cannot be allowed to come in contact with steel which is just inches away as it will cause surface quality defects. These defects lead to imperfections seen by consumers in the steel that is used in applications such as automobile bodies and appliances.

Of major concern to the operations, maintenance, and engineering teams in the Hot Strip Mill is the amount of downtime needed to change out these parts. Each part only takes 20 minutes or so to change out, and a team of two is needed. There are up to 32 such parts in the production line. Change outs are normally done on a monthly basis which means that approximately 256 man hours per year are needed to maintain these parts.

Our recommendation has been to replace the Micarta boards that are traditionally used with Ryertex FR4. This material has a higher operating temperature which means that the stripper/wiper wears at a slower rate and needs to be changed out less frequently. Several mills have seen the part life DOUBLE… meaning that they gain approximately 128 man hours per year – that is almost one month! - are able to reallocate labor to other projects.

Understanding what problems needed to be solved and the application environment have resulted in another value added win for the customer. To learn more about this project or how our materials expertise, combined with precision CNC machining services can benefit your next project, contact us today.

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HIGHLIGHTS OF Stripper Tips and Wiper blades

Capabilities Applied / Processes
Primary: CNC Machining
Equipment Used to Manufacture Part
Haas 712 Router
Fadal 8030
Overall Part Dimensions
Length: up to 84"
Width: 4"-8"
Height: 1.25"- 2.5"
Tightest Tolerances
.005"
Material Used
Ryertex FR4 Sheet
In process testing / Inspection performed
Visual Inspection
Industry for Use
Steel Production - Hot Strip Mill
Volume
N/A
Standards Met
Customer Specifications
Product Name
Stripper Tip / Wiper Blade

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